Backend

ReactJS

Golang

Chuyện Nghề Nghiệp

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&lt;h2&gt;M&amp;#7909;c l&amp;#7909;c&lt;/h2&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href=&quot;#mcetoc_1g5t2tsei59&quot;&gt;Wheel of names&lt;/a&gt;&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;#mcetoc_1g5t2tsei5a&quot;&gt;Planning Poker Online&lt;/a&gt;&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;#mcetoc_1g5t2tsei5b&quot;&gt;Easy Retro&lt;/a&gt;&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;#mcetoc_1g5t2tsei5c&quot;&gt;T&amp;#243;m l&amp;#7841;i&lt;/a&gt;&lt;/li&gt;
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&lt;h2 id=&quot;mcetoc_1g5t2tsei59&quot; dir=&quot;ltr&quot; role=&quot;presentation&quot;&gt;Wheel of names&lt;/h2&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;a href=&quot;https://wheelofnames.com/&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;https://wheelofnames.com/&lt;/a&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;img src=&quot;../images/bai-viet/chuyen-nghe-nghiep/nhung-tool-ap-dung-cho-scrum-team-hieu-qua/ntadcsthq1655611812931.png&quot; alt=&quot;&quot; width=&quot;652&quot; height=&quot;356&quot; /&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Tool n&amp;#224;y team m&amp;#236;nh &amp;#273;ang d&amp;#249;ng trong Daily Meeting. N&amp;#243; gi&amp;#250;p ch&amp;#7885;n ng&amp;#7851;u nhi&amp;#234;n t&amp;#234;n th&amp;#224;nh vi&amp;#234;n s&amp;#7869; chu&amp;#7849;n b&amp;#7883; b&amp;#225;o c&amp;#225;o cho team bi&amp;#7871;t, h&amp;#244;m qua th&amp;#224;nh vi&amp;#234;n &amp;#273;&amp;#243; &amp;#273;&amp;#227; l&amp;#224;m g&amp;#236;, c&amp;#243; g&amp;#7863;p kh&amp;#243; kh&amp;#259;n n&amp;#224;o kh&amp;#244;ng v&amp;#224; h&amp;#244;m nay d&amp;#7921; &amp;#273;&amp;#7883;nh s&amp;#7869; l&amp;#224;m g&amp;#236;. Sau khi d&amp;#249;ng tool n&amp;#224;y th&amp;#236; m&amp;#7885;i th&amp;#224;nh vi&amp;#234;n &amp;#273;&amp;#7873;u nh&amp;#7853;n x&amp;#233;t l&amp;#224; th&amp;#7845;y vui vui.&lt;/p&gt;
&lt;h2 id=&quot;mcetoc_1g5t2tsei5a&quot; dir=&quot;ltr&quot; role=&quot;presentation&quot;&gt;Planning Poker Online&lt;/h2&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;a href=&quot;https://planningpokeronline.com/&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;https://planningpokeronline.com/&lt;/a&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Tool n&amp;#224;y hi&amp;#7879;n t&amp;#7841;i team m&amp;#236;nh &amp;#273;ang d&amp;#249;ng cho Sprint Planning. N&amp;#243; gi&amp;#250;p c&amp;#225;c th&amp;#224;nh vi&amp;#234;n trong team ch&amp;#7911; &amp;#273;&amp;#7897;ng, &amp;#273;&amp;#7875; &amp;#273;&amp;#432;a ra &amp;#273;&amp;#225;nh gi&amp;#225; v&amp;#7873; &amp;#273;&amp;#7897; kh&amp;#243; c&amp;#7911;a task b&amp;#7857;ng s&amp;#7889; &amp;#273;i&amp;#7875;m t&amp;#432;&amp;#417;ng &amp;#7913;ng. M&amp;#7895;i th&amp;#224;nh vi&amp;#234;n s&amp;#7869; &amp;#273;&amp;#432;a ra &amp;#273;&amp;#225;nh gi&amp;#225; ri&amp;#234;ng c&amp;#7911;a m&amp;#236;nh, m&amp;#224; kh&amp;#244;ng b&amp;#7883; &amp;#7843;nh h&amp;#432;&amp;#7903;ng hay ph&amp;#226;n t&amp;#226;m b&amp;#7903;i c&amp;#225;c th&amp;#224;nh vi&amp;#234;n c&amp;#242;n l&amp;#7841;i. Cu&amp;#7889;i c&amp;#249;ng th&amp;#236; Scrum Master s&amp;#7869; nh&amp;#7845;n v&amp;#224;o n&amp;#250;t Reveal cards &amp;#273;&amp;#7875; th&amp;#7845;y s&amp;#7889; &amp;#273;i&amp;#7875;m m&amp;#224; t&amp;#7845;t c&amp;#7843; th&amp;#224;nh vi&amp;#234;n trong team &amp;#273;&amp;#225;nh gi&amp;#225;, r&amp;#7891;i &amp;#273;&amp;#432;a ra quy&amp;#7871;t &amp;#273;&amp;#7883;nh cu&amp;#7889;i c&amp;#249;ng.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&amp;#272;&amp;#226;y l&amp;#224; h&amp;#236;nh &amp;#7843;nh trong th&amp;#7901;i gian m&amp;#7895;i th&amp;#224;nh vi&amp;#234;n &amp;#273;ang th&amp;#7921;c hi&amp;#7879;n &amp;#273;&amp;#225;nh gi&amp;#225;.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;img src=&quot;../images/bai-viet/chuyen-nghe-nghiep/nhung-tool-ap-dung-cho-scrum-team-hieu-qua/ntadcsthq1655612047038.png&quot; alt=&quot;&quot; width=&quot;704&quot; height=&quot;336&quot; /&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&amp;#272;&amp;#226;y l&amp;#224; h&amp;#236;nh &amp;#7843;nh sau khi th&amp;#224;nh vi&amp;#234;n &amp;#273;&amp;#227; &amp;#273;&amp;#225;nh gi&amp;#225; xong.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;img src=&quot;../images/bai-viet/chuyen-nghe-nghiep/nhung-tool-ap-dung-cho-scrum-team-hieu-qua/ntadcsthq1655612089869.png&quot; alt=&quot;&quot; width=&quot;704&quot; height=&quot;435&quot; /&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Tool th&amp;#7889;ng k&amp;#234; ra s&amp;#7889; l&amp;#432;&amp;#7907;t Vote c&amp;#7911;a t&amp;#7915;ng &amp;#273;i&amp;#7875;m v&amp;#224; t&amp;#237;nh ra gi&amp;#225; tr&amp;#7883; trung b&amp;#236;nh &amp;#273;&amp;#225;nh gi&amp;#225; m&amp;#224; t&amp;#7845;t c&amp;#7843; th&amp;#224;nh vi&amp;#234;n.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Tool n&amp;#224;y ban &amp;#273;&amp;#7847;u b&amp;#7841;n c&amp;#243; th&amp;#7875; &amp;#273;i&amp;#7873;u ch&amp;#7881;nh Voting system theo d&amp;#7841;ng Fibonacci ho&amp;#7863;c c&amp;#243; th&amp;#7875; t&amp;#7841;o Voting system t&amp;#249;y bi&amp;#7871;n, v&amp;#237; d&amp;#7909; team b&amp;#7841;n kh&amp;#244;ng mu&amp;#7889;n &amp;#273;&amp;#225;nh gi&amp;#225; theo c&amp;#225;c con s&amp;#7889; c&amp;#7911;a d&amp;#227;y Fibonacci.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;img src=&quot;../images/bai-viet/chuyen-nghe-nghiep/nhung-tool-ap-dung-cho-scrum-team-hieu-qua/ntadcsthq1655612140609.png&quot; alt=&quot;&quot; width=&quot;750&quot; height=&quot;578&quot; /&gt;&lt;/p&gt;
&lt;h2 id=&quot;mcetoc_1g5t2tsei5b&quot; dir=&quot;ltr&quot; role=&quot;presentation&quot;&gt;Easy Retro&lt;/h2&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;a href=&quot;https://easyretro.io/&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;https://easyretro.io/&lt;/a&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Tool n&amp;#224;y d&amp;#249;ng cho Sprint Retrospective, n&amp;#417;i m&amp;#224; c&amp;#225;c th&amp;#224;nh vi&amp;#234;n t&amp;#7893;ng k&amp;#7871;t v&amp;#224; &amp;#273;&amp;#432;a ra nh&amp;#7853;n x&amp;#233;t c&amp;#7911;a m&amp;#236;nh cho Sprint v&amp;#7915;a qua. &amp;#272;i&amp;#7873;u g&amp;#236; team &amp;#273;&amp;#227; l&amp;#224;m t&amp;#7889;t, &amp;#273;i&amp;#7873;u g&amp;#236; c&amp;#7847;n ph&amp;#7843;i c&amp;#7843;i thi&amp;#7879;n v&amp;#224; &amp;#273;i&amp;#7873;u g&amp;#236; c&amp;#7847;n ph&amp;#7843;i ph&amp;#225;t huy, n&amp;#243;i l&amp;#234;n l&amp;#7901;i c&amp;#225;m &amp;#417;n ai hay kh&amp;#237;ch l&amp;#7879; ai trong team. Tool n&amp;#224;y th&amp;#236; kh&amp;#244;ng &amp;#273;&amp;#432;&amp;#7907;c d&amp;#249;ng mi&amp;#7877;n ph&amp;#237; v&amp;#224; tho&amp;#7843;i m&amp;#225;i nh&amp;#432; c&amp;#225;c tool kia, c&amp;#225;c b&amp;#7841;n c&amp;#243; th&amp;#7875; tham kh&amp;#7843;o tool kh&amp;#225;c &amp;#273;&amp;#7875; thay th&amp;#7871;.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;H&amp;#236;nh &amp;#7843;nh minh h&amp;#7885;a&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;img src=&quot;../images/bai-viet/chuyen-nghe-nghiep/nhung-tool-ap-dung-cho-scrum-team-hieu-qua/ntadcsthq1655612176527.png&quot; alt=&quot;&quot; width=&quot;751&quot; height=&quot;463&quot; /&gt;&lt;/p&gt;
&lt;h2 id=&quot;mcetoc_1g5t2tsei5c&quot; dir=&quot;ltr&quot;&gt;T&amp;#243;m l&amp;#7841;i&lt;/h2&gt;
&lt;p dir=&quot;ltr&quot;&gt;Khi &amp;#225;p d&amp;#7909;ng nh&amp;#7919;ng tool n&amp;#224;y, th&amp;#236; c&amp;#225;c th&amp;#224;nh vi&amp;#234;n trong team &amp;#273;&amp;#7873;u s&amp;#7869; c&amp;#7843;m th&amp;#7845;y ti&amp;#7879;n l&amp;#7907;i v&amp;#224; vui v&amp;#7867; h&amp;#417;n. N&amp;#243; gi&amp;#250;p qu&amp;#225; tr&amp;#236;nh trao &amp;#273;&amp;#7893;i c&amp;#244;ng vi&amp;#7879;c gi&amp;#7919;a c&amp;#225;c th&amp;#224;nh vi&amp;#234;n tr&amp;#7903; n&amp;#234;n tho&amp;#7843;i m&amp;#225;i h&amp;#417;n. B&amp;#7841;n h&amp;#227;y &amp;#225;p d&amp;#7909;ng xem sao nh&amp;#233;.&lt;/p&gt;
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Dưới đây là top 3 tools dành cho scrum team hiệu quả và thú vị nhất.  Wheel of names dành cho daily meeting, Planning Poker Online dành cho sprint planning và Easy Retro dành cho sprint retrospective.

nhung tool ap dung cho scrum team hieu qua

Những tool áp dụng cho Scrum team hiệu quả

Nếu bạn đã cố gắng và nỗ lực rất nhiều nhưng vẫn chưa có thành quả, thì bạn chưa chọn đúng môi trường để phát triển mà thôi.

Cách lập trình viên chọn một công ty tốt

&lt;!DOCTYPE html&gt;
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&lt;p&gt;&lt;strong&gt;B&amp;#224;i l&amp;#224;m&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;C&amp;#225;c b&amp;#7889; c&amp;#243; r&amp;#7845;t nhi&amp;#7873;u ngh&amp;#7873;, nh&amp;#432;ng b&amp;#7889; em y&amp;#234;u&lt;/p&gt;
&lt;p&gt;th&amp;#237;ch nh&amp;#7845;t l&amp;#224; ngh&amp;#7873; LTV. Em c&amp;#361;ng r&amp;#7845;t th&amp;#237;ch ngh&amp;#7873;&lt;/p&gt;
&lt;p&gt;n&amp;#224;y v&amp;#236; th&amp;#7845;y b&amp;#7889; &amp;#273;&amp;#432;&amp;#7907;c ch&amp;#417;i m&amp;#225;y t&amp;#237;nh c&amp;#7843; ng&amp;#224;y m&amp;#224;&lt;/p&gt;
&lt;p&gt;kh&amp;#244;ng b&amp;#7883; m&amp;#7865; m&amp;#7855;ng. S&amp;#225;ng b&amp;#7889; em th&amp;#432;&amp;#7901;ng 9-10h&lt;/p&gt;
&lt;p&gt;m&amp;#7899;i d&amp;#7853;y, d&amp;#7853;y xong ch&amp;#417;i m&amp;#225;y t&amp;#237;nh, t&amp;#7889;i c&amp;#361;ng to&amp;#224;n&lt;/p&gt;
&lt;p&gt;&amp;#273;&amp;#432;&amp;#7907;c th&amp;#7913;c khuya m&amp;#224; kh&amp;#244;ng th&amp;#7845;y b&amp;#7883; m&amp;#7855;ng ch&amp;#250;t&lt;/p&gt;
&lt;p&gt;n&amp;#224;o. B&amp;#7889; c&amp;#361;ng kh&amp;#244;ng c&amp;#7847;n ch&amp;#7843;i &amp;#273;&amp;#7847;u, th&amp;#7881;nh tho&amp;#7843;ng&lt;/p&gt;
&lt;p&gt;&amp;#273;&amp;#225;nh r&amp;#259;ng c&amp;#361;ng l&amp;#432;&amp;#7901;i v&amp;#236; b&amp;#7889; b&amp;#7843;o &quot;B&amp;#7853;n l&amp;#7855;m!&quot;. C&amp;#243;&lt;/p&gt;
&lt;p&gt;nh&amp;#7919;ng l&amp;#250;c em th&amp;#7845;y b&amp;#7889; nh&amp;#236;n m&amp;#225;y t&amp;#237;nh ch&amp;#7857;m&lt;/p&gt;
&lt;p&gt;ch&amp;#7857;m ch&amp;#7859;ng l&amp;#224;m g&amp;#236; c&amp;#7843; ng&amp;#224;y l&amp;#7847;m b&amp;#7849;m &quot;Sao l&amp;#7841;i th&amp;#7871;&lt;/p&gt;
&lt;p&gt;nh&amp;#7881;? Sao l&amp;#7841;i ch&amp;#7841;y nh&amp;#7881;? Sao l&amp;#7841;i kh&amp;#244;ng ch&amp;#7841;y nh&amp;#7881;?&lt;/p&gt;
&lt;p&gt;Sao qua ch&amp;#7841;y m&amp;#224; nay l&amp;#7841;i kh&amp;#244;ng ch&amp;#7841;y nh&amp;#7881;?, r&amp;#7891;i&lt;/p&gt;
&lt;p&gt;ch&amp;#7889;c ch&amp;#7889;c b&amp;#7889; h&amp;#233;t l&amp;#234;n: &quot;&amp;#192; ch&amp;#7871;t cha m&amp;#224;y tao bi&amp;#7871;t&lt;/p&gt;
&lt;p&gt;sai &amp;#7903; &amp;#273;&amp;#226;u r&amp;#7891;i!&quot;. Nh&amp;#7919;ng l&amp;#250;c nh&amp;#432; th&amp;#7871;, em th&amp;#7845;y b&amp;#7889;&lt;/p&gt;
&lt;p&gt;r&amp;#7845;t vui v&amp;#224; h&amp;#7841;nh ph&amp;#250;c.&lt;/p&gt;
&lt;p&gt;Nh&amp;#432;ng m&amp;#7865; em b&amp;#7843;o sau n&amp;#224;y m&amp;#224; l&amp;#224;m LTV gi&amp;#7889;ng b&amp;#7889;&lt;/p&gt;
&lt;p&gt;m&amp;#224;y tao &amp;#273;&amp;#7853;p ch&amp;#7871;t. N&amp;#234;n l&amp;#7899;n l&amp;#234;n em s&amp;#7869; kh&amp;#244;ng l&amp;#224;m&lt;/p&gt;
&lt;p&gt;LTV.&lt;/p&gt;
&lt;p&gt;Ngu&amp;#7891;n: Internet&lt;/p&gt;
&lt;p&gt;&amp;#160;&lt;/p&gt;
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Các bố có rất nhiều nghề, nhưng bố em yêu  thích nhất là nghề LTV. Em cũng rất thích nghề  này vì thấy bố được chơi máy tính cả ngày mà  không bị mẹ mắng. Sáng bố em thường 9-10h  mới dậy, dậy xong chơi máy tính, tối cũng toàn  được thức khuya mà không thấy bị mắng chút  nào.

Bài văn tả bố làm nghề Lập Trình Viên

Định dạng webp giúp trang web tăng tốc độ tải đồng nghĩa trải nghiệm người dùng trên trang sẽ tốt và google sẽ đánh giá cao trang web của anh em. Trong bài viết này mình sẽ trình bày cách cài đặt và sử dụng webp chi tiết luôn.

tang toc do tai trang cua website bang webp

Tăng tốc độ tải trang của website bằng webp

reactjs co gi loi hai ma lazada, tiki, shopee, sendo va cac trang thuong mai dien tu lon khac deu dang su dung?

ReactJS Có Gì Lợi Hại Mà Lazada, Tiki, Shopee, Sendo Và Các Trang Thương Mại Điện Tử Lớn Khác Đều Đang Sử Dụng?

&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
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&lt;body&gt;
&lt;div class=&quot;mce-toc&quot;&gt;
&lt;h2&gt;M&amp;#7909;c L&amp;#7909;c:&lt;/h2&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href=&quot;#mcetoc_1dnq4b8n344&quot;&gt;C&amp;#7845;u tr&amp;#250;c project&lt;/a&gt;&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;#mcetoc_1dnq4b8n345&quot;&gt;Code Rest Api Golang&lt;/a&gt;&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;#mcetoc_1dnq4b8n346&quot;&gt;Ki&amp;#7875;m Tra K&amp;#7871;t Qu&amp;#7843;&lt;/a&gt;&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;#mcetoc_1dnq4b8n347&quot;&gt;T&amp;#7893;ng k&amp;#7871;t:&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
&lt;/div&gt;
&lt;p dir=&quot;ltr&quot;&gt;&amp;#272;&amp;#7875; ti&amp;#7871;p c&amp;#7853;n v&amp;#7899;i Golang m&amp;#7897;t c&amp;#225;ch nhanh ch&amp;#243;ng h&amp;#417;n, ch&amp;#250;ng ta s&amp;#7869; x&amp;#226;y d&amp;#7921;ng m&amp;#7897;t REST API c&amp;#417; b&amp;#7843;n v&amp;#7899;i Golang nh&amp;#233;.&lt;/p&gt;
&lt;h2 id=&quot;mcetoc_1dnq4b8n344&quot; dir=&quot;ltr&quot;&gt;C&amp;#7845;u tr&amp;#250;c project&lt;/h2&gt;
&lt;p dir=&quot;ltr&quot;&gt;Ch&amp;#250;ng ta h&amp;#227;y t&amp;#7841;o c&amp;#7845;u tr&amp;#250;c th&amp;#432; m&amp;#7909;c nh&amp;#432; h&amp;#236;nh b&amp;#234;n d&amp;#432;&amp;#7899;i, project n&amp;#224;y c&amp;#243; t&amp;#234;n GolangRestApi c&amp;#225;c b&amp;#7841;n c&amp;#243; th&amp;#7875; clone v&amp;#7873; v&amp;#7899;i &amp;#273;&amp;#432;&amp;#7901;ng link sau: &lt;span style=&quot;color: #3366ff;&quot;&gt;&lt;a style=&quot;color: #3366ff; text-decoration: underline;&quot; href=&quot;https://github.com/PhongVX/golang-rest-api/tree/golang-rest-api-basic&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;Github&lt;/a&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Sau khi clone v&amp;#7873; c&amp;#225;c b&amp;#7841;n nh&amp;#7899; &amp;#273;&amp;#7893;i t&amp;#234;n project th&amp;#224;nh GolangRestApi v&amp;#224; v&amp;#224;o GOPATH r&amp;#7891;i copy v&amp;#224;o th&amp;#432; m&amp;#7909;c src, c&amp;#225;ch c&amp;#224;i &amp;#273;&amp;#7863;t v&amp;#224; setup d&amp;#7921; &amp;#225;n Golang c&amp;#225;c b&amp;#7841;n c&amp;#243; th&amp;#7875; tham kh&amp;#7843;o chi ti&amp;#7871;t t&amp;#7841;i b&amp;#224;i vi&amp;#7871;t n&amp;#224;y c&amp;#7911;a m&amp;#236;nh:&amp;#160;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;span style=&quot;color: #3366ff;&quot;&gt;https://anhlamweb.com/bai-viet-64/hoc-golang-tu-con-so-0-phan-1-cai-dat-golang-tren-linux-va-windows.html&lt;/span&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;span style=&quot;color: #3366ff;&quot;&gt;&lt;img style=&quot;margin-top: 0px; display: block; margin-left: auto; margin-right: auto; max-width: 257px;&quot; src=&quot;https://lh4.googleusercontent.com/pCzc3bZeqYfcn7eo_xnAxuhrOJIkrem389a2T4HijWbfbmx5XBiwvxrC5CVPmrEEyqAu68tnu6H4xoRF5ihPXVi6Jnh_zWtvTYwsk_OKbI-EzbiSapcUMdnYTLBFN5umnFHMTs6j&quot; width=&quot;257&quot; height=&quot;226&quot; /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;h2 id=&quot;mcetoc_1dnq4b8n345&quot; dir=&quot;ltr&quot;&gt;Code Rest Api Golang&lt;/h2&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;entities/user.go&lt;/strong&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Khai b&amp;#225;o c&amp;#7845;u tr&amp;#250;c c&amp;#7911;a m&amp;#7897;t th&amp;#7921;c th&amp;#7875; User. User s&amp;#7869; c&amp;#243; h&amp;#224;m ToString &amp;#273;&amp;#7875; xu&amp;#7845;t th&amp;#244;ng tin chi ti&amp;#7871;t c&amp;#7911;a User &amp;#273;&amp;#243; ra.&lt;/p&gt;
&lt;pre class=&quot;language-go&quot;&gt;&lt;code&gt;package entities
 
import (
    &quot;fmt&quot;
)
 
type User struct {
    Id       string `json:&quot;id&quot;`
    Name     string `json:&quot;name&quot;`
    Password string `json:&quot;password&quot;`
}
 
func (user User) ToString() string {
    return fmt.Sprintf(&quot;id: %s\nName: %s\nPassword: %s\n&quot;, user.Id, user.Name, user.Password)
}
&lt;/code&gt;&lt;/pre&gt;
&lt;p&gt;&lt;strong&gt;&lt;span id=&quot;docs-internal-guid-5d6c8bca-7fff-ae04-1adc-dfdfbffff1fc&quot;&gt;models/userModel.go&lt;/span&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;span id=&quot;docs-internal-guid-89978eb3-7fff-6e64-ea6f-1b49e39fc04e&quot;&gt;&amp;#272;&amp;#7883;nh ngh&amp;#297;a c&amp;#225;c h&amp;#224;m c&amp;#417; b&amp;#7843;n nh&amp;#432; CreateUser, UpdateUser, FindUser, DeleteUser v&amp;#224; GetAllUser. listUser d&amp;#249;ng &amp;#273;&amp;#7875; ch&amp;#432;a th&amp;#244;ng tin c&amp;#7911;a c&amp;#225;c User, thay v&amp;#236; &amp;#273;&amp;#7875; khai b&amp;#225;o listUser nh&amp;#432; v&amp;#7853;y ch&amp;#250;ng ta c&amp;#243; th&amp;#7875; connect t&amp;#7899;i&amp;#160; database v&amp;#224; th&amp;#7921;c hi&amp;#7879;n c&amp;#225;c thao t&amp;#225;c nh&amp;#432; tr&amp;#234;n, nh&amp;#432;ng &amp;#273;&amp;#7875; d&amp;#7877; hi&amp;#7875;u v&amp;#224; r&amp;#245; r&amp;#224;ng h&amp;#417;n th&amp;#236; &amp;#7903; b&amp;#224;i vi&amp;#7871;t n&amp;#224;y ch&amp;#250;ng ta s&amp;#7869; th&amp;#7921;c hi&amp;#7879;n theo c&amp;#225;ch &amp;#273;&amp;#417;n gi&amp;#7843;n n&amp;#224;y tr&amp;#432;&amp;#7899;c.&lt;/span&gt;&lt;/p&gt;
&lt;pre class=&quot;language-go&quot;&gt;&lt;code&gt;package models
 
import (
    &quot;GolangRestApi/entities&quot;
    &quot;errors&quot;
)
 
var (
    listUser = make([]*entities.User, 0)
)
 
func CreateUser(user *entities.User) bool {
    if user.Id != &quot;&quot; &amp;amp;&amp;amp; user.Name != &quot;&quot; &amp;amp;&amp;amp; user.Password != &quot;&quot; {
        if userF, _ := FindUser(user.Id); userF == nil {
            listUser = append(listUser, user)
            return true
        }
    }
    return false
}

func UpdateUser(eUser *entities.User) bool {
    for index, user := range listUser {
        if user.Id == eUser.Id {
            listUser[index] = eUser
            return true
        }
    }
    return false
}

func FindUser(id string) (*entities.User, error) {
    for _, user := range listUser {
        if user.Id == id {
            return user, nil
        }
    }
    return nil, errors.New(&quot;User does not exist&quot;)
}

func DeleteUser(id string) bool {
    for index, user := range listUser {
        if user.Id == id {
            copy(listUser[index:], listUser[index+1:])
            listUser[len(listUser)-1] = &amp;amp;entities.User{}
            listUser = listUser[:len(listUser)-1]
            return true
        }
    }
    return false
}

func GetAllUser() []*entities.User {
    return listUser
}
&lt;/code&gt;&lt;/pre&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;apis/userapi/userApi.go&lt;/strong&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&amp;#7902; file n&amp;#224;y l&amp;#224; c&amp;#225;c h&amp;#224;m x&amp;#7917; l&amp;#253; c&amp;#225;c http request v&amp;#224; ch&amp;#7883;u tr&amp;#225;ch nhi&amp;#7879;m tr&amp;#7843; v&amp;#7873; k&amp;#7871;t qu&amp;#7843; cho ng&amp;#432;&amp;#7901;i d&amp;#249;ng b&amp;#7857;ng http response.&lt;/p&gt;
&lt;pre class=&quot;language-go&quot;&gt;&lt;code&gt;package userapi
 
import (
    &quot;GolangRestApi/entities&quot;
    &quot;GolangRestApi/models&quot;
    &quot;encoding/json&quot;
    &quot;net/http&quot;
)
 
func FindUser(response http.ResponseWriter, request *http.Request) {
    ids, ok := request.URL.Query()[&quot;id&quot;]
    if !ok || len(ids) &amp;lt; 1 {
        responseWithError(response, http.StatusBadRequest, &quot;Url Param id is missing&quot;)
        return
    }
    user, err := models.FindUser(ids[0])
    if err != nil {
        responseWithError(response, http.StatusBadRequest, err.Error())
        return
    }
    responseWithJSON(response, http.StatusOK, user)
}
 
func GetAll(response http.ResponseWriter, request *http.Request) {
    users := models.GetAllUser()
    responseWithJSON(response, http.StatusOK, users)
}
 
func CreateUser(response http.ResponseWriter, request *http.Request) {
    var user entities.User
    err := json.NewDecoder(request.Body).Decode(&amp;amp;user)
    if err != nil {
        responseWithError(response, http.StatusBadRequest, err.Error())
    } else {
        result := models.CreateUser(&amp;amp;user)
        if !result {
            responseWithError(response, http.StatusBadRequest, &quot;Could not create user&quot;)
            return
        }
        responseWithJSON(response, http.StatusOK, user)
    }
}

func UpdateUser(response http.ResponseWriter, request *http.Request) {
    var user entities.User
    err := json.NewDecoder(request.Body).Decode(&amp;amp;user)
    if err != nil {
        responseWithError(response, http.StatusBadRequest, err.Error())
    } else {
        result := models.UpdateUser(&amp;amp;user)
        if !result {
            responseWithError(response, http.StatusBadRequest, &quot;Could not update user&quot;)
            return
        }
        responseWithJSON(response, http.StatusOK, &quot;Update user successfully&quot;)
    }
}
 
func Delete(response http.ResponseWriter, request *http.Request) {
    ids, ok := request.URL.Query()[&quot;id&quot;]
    if !ok || len(ids) &amp;lt; 1 {
        responseWithError(response, http.StatusBadRequest, &quot;Url Param id is missing&quot;)
        return
    }
    result := models.DeleteUser(ids[0])
    if !result {
        responseWithError(response, http.StatusBadRequest, &quot;Could not delete user&quot;)
        return
    }
    responseWithJSON(response, http.StatusOK, &quot;Delete user successfully&quot;)
}
 
func responseWithError(response http.ResponseWriter, statusCode int, msg string) {
    responseWithJSON(response, statusCode, map[string]string{
        &quot;error&quot;: msg,
    })
}
 
func responseWithJSON(response http.ResponseWriter, statusCode int, data interface{}) {
    result, _ := json.Marshal(data)
    response.Header().Set(&quot;Content-Type&quot;, &quot;application/json&quot;)
    response.WriteHeader(statusCode)
    response.Write(result)
}
 
&lt;/code&gt;&lt;/pre&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;Main.go&lt;/strong&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&amp;#272;&amp;#7875; x&amp;#226;y d&amp;#7921;ng m&amp;#7897;t REST Api Server th&amp;#236; &amp;#7903; &amp;#273;&amp;#226;y ch&amp;#250;ng ta s&amp;#7917; d&amp;#7909;ng mux v&amp;#224; t&amp;#7841;o m&amp;#7897;t router &amp;#273;&amp;#7875; n&amp;#243; th&amp;#7921;c hi&amp;#7879;n vi&amp;#7879;c handle request nh&amp;#432; sau.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Server s&amp;#7869; l&amp;#7855;ng nghe &amp;#7903; port 5000.&lt;/p&gt;
&lt;pre class=&quot;language-go&quot;&gt;&lt;code&gt;package main
 
import (
    &quot;GolangRestApi/apis/userapi&quot;
    &quot;net/http&quot;
 
    &quot;github.com/gorilla/mux&quot;
)
 
func main() {
    router := mux.NewRouter()
 
    router.HandleFunc(&quot;/api/v1/user/find&quot;, userapi.FindUser).Methods(&quot;GET&quot;)
    router.HandleFunc(&quot;/api/v1/user/getall&quot;, userapi.GetAll).Methods(&quot;GET&quot;)
    router.HandleFunc(&quot;/api/v1/user/create&quot;, userapi.CreateUser).Methods(&quot;POST&quot;)
    router.HandleFunc(&quot;/api/v1/user/update&quot;, userapi.UpdateUser).Methods(&quot;PUT&quot;)
    router.HandleFunc(&quot;/api/v1/user/delete&quot;, userapi.Delete).Methods(&quot;DELETE&quot;)
 
    err := http.ListenAndServe(&quot;:5000&quot;, router)
    if err != nil {
        panic(err)
    }
}
&lt;/code&gt;&lt;/pre&gt;
&lt;p dir=&quot;ltr&quot; style=&quot;line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;&quot;&gt;&lt;span style=&quot;font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;&quot;&gt;Ch&amp;#7841;y ch&amp;#432;&amp;#417;ng tr&amp;#236;nh b&amp;#7857;ng l&amp;#7879;nh&lt;/span&gt;&lt;span id=&quot;docs-internal-guid-ee27037a-7fff-b446-3980-2f7d2c9a1e0d&quot;&gt;&lt;/span&gt;&lt;/p&gt;
&lt;pre class=&quot;language-go&quot;&gt;&lt;code&gt;go run main.go&lt;/code&gt;&lt;/pre&gt;
&lt;p dir=&quot;ltr&quot; style=&quot;line-height: 1.38; margin-top: 0pt; margin-bottom: 0pt;&quot;&gt;&lt;span id=&quot;docs-internal-guid-6d6d576b-7fff-e5d9-5dab-c2119c6fb562&quot;&gt;&lt;img style=&quot;display: block; margin-left: auto; margin-right: auto; max-width: 444px;&quot; src=&quot;https://lh4.googleusercontent.com/9PIvGOSQLWOGdHCgUgq1ml9R5q_FHxVO86Ki7uliT7uGi33PlfWxWwhhH5u0aLMoeZhupDWdWDSj5C3u2y1PQ_NrV7eC3r-0pmNR_N4f_fpd2-kYTgP1T85TYZs7y5zxBRO4M5RE&quot; width=&quot;444&quot; height=&quot;225&quot; /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;h2 id=&quot;mcetoc_1dnq4b8n346&quot; dir=&quot;ltr&quot;&gt;Ki&amp;#7875;m Tra K&amp;#7871;t Qu&amp;#7843;&lt;/h2&gt;
&lt;p dir=&quot;ltr&quot;&gt;&amp;#272;&amp;#7875; ki&amp;#7875;m tra k&amp;#7871;t qu&amp;#7843; ch&amp;#250;ng ta s&amp;#7869; s&amp;#7917; d&amp;#7909;ng Postman nh&amp;#233;, b&amp;#7841;n c&amp;#243; th&amp;#7875; v&amp;#224;o th&amp;#432; m&amp;#7909;c assets v&amp;#224; import file GolangRestApi.postman_collection.json v&amp;#224;o &amp;#273;&amp;#7875; test cho nhanh.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;T&amp;#7841;o m&amp;#7899;i User.&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;span id=&quot;docs-internal-guid-3718afdc-7fff-0fdb-8f4a-0e2bcf6f41ba&quot;&gt;&lt;img src=&quot;https://lh4.googleusercontent.com/zozOh6Wc8KkuE3mhXtA8dW-kxtMlTe6myVyG2jTC2qPIk4jscNUl6mNmEmjiIoctDxRQ-AFpv5RNuNq1f5RjwADvoMG2Y17jk5fL6Dn27UoGd_u1tffJi3tGKfQ7P_4OsUfenEDB&quot; width=&quot;804&quot; height=&quot;388&quot; /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;L&amp;#7845;y danh s&amp;#225;ch c&amp;#225;c User&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;span id=&quot;docs-internal-guid-bba5ea0e-7fff-e827-03e9-0ccf97628085&quot;&gt;&lt;img src=&quot;https://lh5.googleusercontent.com/bWO1oMK3HyzbxNBAWrRiR5eV4e9-Zc7fXtwwJvH6ASqq4xEV0zMYOsblSuN2jlRDRvq20IgEg4yaFcTdJH81Ym9u1t7EAL-POoSddS0x0wtauJDv-Torsn751Ecavbdrm69uYuu5&quot; width=&quot;803&quot; height=&quot;350&quot; /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;T&amp;#236;m ki&amp;#7871;m m&amp;#7897;t User&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;span id=&quot;docs-internal-guid-1e0ad493-7fff-438c-2c2d-d227a29c8d35&quot;&gt;&lt;img src=&quot;https://lh6.googleusercontent.com/pghSwMTOCKDDxUoj7shPbTyMmZJEVOEegyluqFAtMLmmwKD8e4g2Zj6ZJFBn4f8-N-69F-4bDNP2ilRh4_TGBeyv_D_vQ9rxTPAOo1FYqFNb385DJKaW7mszLj_UEemYkhMnHDBj&quot; width=&quot;802&quot; height=&quot;356&quot; /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;C&amp;#7853;p nh&amp;#7853;t User&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;span id=&quot;docs-internal-guid-56fa0bf6-7fff-5ddb-e342-6564b2091207&quot;&gt;&lt;img src=&quot;https://lh3.googleusercontent.com/BSB7iJnzqFFf_zFBCYqAUCV0VqSlaPJ9WVv14wxc5uV1VJh-ToQ3C0auHc4soVgg7WAX5KkhiG8xvTEzRSQp84gceRprZw3albJoDziqDO6FiBbuOW9hExMoJ3kJoVAA9vxSHt3l&quot; width=&quot;801&quot; height=&quot;380&quot; /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Sau khi update user ch&amp;#250;ng ta h&amp;#227;y ki&amp;#7875;m tra l&amp;#7841;i th&amp;#244;ng tin v&amp;#7915;a &amp;#273;&amp;#432;&amp;#7907;c update.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;span id=&quot;docs-internal-guid-4ca50128-7fff-92a8-55ab-7a03fb7f77f3&quot;&gt;&lt;img src=&quot;https://lh5.googleusercontent.com/pox5h_LhYmLDFIQ_8YZ6MbEsJIr2t5XD3G0QRqN4Iw1DULeRPmeykmQKiL1MPRZNhy-xCUAkhb1qb4kZinrMTbIdCS18yrCYA7HRl9CyQ5kRj1pK1H49AjsnMrBUpRtCFX6eKe4q&quot; width=&quot;798&quot; height=&quot;367&quot; /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;X&amp;#243;a m&amp;#7897;t User&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;span id=&quot;docs-internal-guid-9cd601fd-7fff-b8a4-6664-3e19d8cc1ab3&quot;&gt;&lt;img src=&quot;https://lh3.googleusercontent.com/9gdwKSL9yBn1Dv4VJTKqunlTfmysqEnqPZL6UjnGL0TvgHOjB-kYKdbzBerui1w_4Ejxwu7po3ZFeddV_OcUJxk3U63sT2HBTpP4V853eSVSHYh2176rnQA9JHqQVfOMgoAYXVM4&quot; width=&quot;807&quot; height=&quot;295&quot; /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Sau khi delete user ch&amp;#250;ng ta h&amp;#227;y ki&amp;#7875;m tra l&amp;#7841;i danh s&amp;#225;ch, nh&amp;#432; h&amp;#236;nh b&amp;#234;n d&amp;#432;&amp;#7899;i sau khi delete user &amp;#273;i th&amp;#236; danh s&amp;#225;ch l&amp;#224; r&amp;#7895;ng.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;span id=&quot;docs-internal-guid-a7e45f17-7fff-e13f-7aba-a90aa3a32019&quot;&gt;&lt;img src=&quot;https://lh4.googleusercontent.com/GGzIRro5tFyu7UtOmR5m_p4Q5IARFEe6zgqAYErfMvTmP1T4qY5HgZhkGNOn4_BFoFN2xRSuXniotjI0hlwQzhzJQcJ271eR4g0LbkPRTsaOqAwlkNZYm5ZWi7LOhCj2Q3TJUde1&quot; width=&quot;810&quot; height=&quot;318&quot; /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;h2 id=&quot;mcetoc_1dnq4b8n347&quot; dir=&quot;ltr&quot;&gt;T&amp;#7893;ng k&amp;#7871;t:&lt;/h2&gt;
&lt;p dir=&quot;ltr&quot;&gt;Ch&amp;#250;ng ta &amp;#273;&amp;#227; t&amp;#7853;p l&amp;#224;m quen v&amp;#7899;i Golang v&amp;#224; Rest Api trong Golang, &amp;#7903; b&amp;#224;i ti&amp;#7871;p theo ch&amp;#250;ng ta s&amp;#7869; t&amp;#236;m hi&amp;#7875;u ti&amp;#7871;p v&amp;#7873; x&amp;#225;c th&amp;#7921;c Rest Api s&amp;#7917; d&amp;#7909;ng Json Web Token nh&amp;#233;.&lt;/p&gt;
&lt;/body&gt;
&lt;/html&gt;

Để tiếp cận với Golang một cách nhanh chóng hơn, chúng ta sẽ xây dựng một REST API cơ bản với Golang nhé.

Xây dựng REST API cơ bản trong Golang

&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;div class=&quot;mce-toc&quot;&gt;
&lt;h2&gt;M&amp;#7909;c l&amp;#7909;c&lt;/h2&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href=&quot;#mcetoc_1dudut73g1&quot;&gt;Gi&amp;#7899;i thi&amp;#7879;u v&amp;#7873; Go Mod&lt;/a&gt;&lt;/li&gt;
&lt;li&gt;&lt;a href=&quot;#mcetoc_1dudut73g2&quot;&gt;S&amp;#7917; d&amp;#7909;ng Go Mod&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
&lt;/div&gt;
&lt;h2 id=&quot;mcetoc_1dudut73g1&quot; dir=&quot;ltr&quot;&gt;Gi&amp;#7899;i thi&amp;#7879;u v&amp;#7873; Go Mod&lt;/h2&gt;
&lt;p dir=&quot;ltr&quot;&gt;&amp;#272;&amp;#7875; qu&amp;#7843;n l&amp;#253; c&amp;#225;c modules trong Go m&amp;#7897;t c&amp;#225;ch ti&amp;#7879;n l&amp;#7907;i v&amp;#224; d&amp;#7877; d&amp;#224;ng h&amp;#417;n, t&amp;#7915; phi&amp;#234;n b&amp;#7843;n Go 1.11 &amp;#273;&amp;#7897;i ng&amp;#361; Go &amp;#273;&amp;#227; cho ra m&amp;#7855;t Go Modules.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Ch&amp;#250;ng ta c&amp;#243; th&amp;#7875; s&amp;#7917; d&amp;#7909;ng Go Modules, g&amp;#7885;i t&amp;#7855;t l&amp;#224; Go Mod &amp;#273;&amp;#7875; install c&amp;#225;c g&amp;#243;i module m&amp;#7897;t c&amp;#225;ch t&amp;#7921; &amp;#273;&amp;#7897;ng khi ch&amp;#250;ng ta th&amp;#7921;c hi&amp;#7879;n th&amp;#7921;c thi ch&amp;#432;&amp;#417;ng tr&amp;#236;nh.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;N&amp;#7871;u kh&amp;#244;ng c&amp;#243; Go Modules th&amp;#236; anh em c&amp;#243; nh&amp;#7899; m&amp;#7895;i l&amp;#7847;n clone project v&amp;#7873; &amp;#273;&amp;#7875; tham kh&amp;#7843;o l&amp;#224; ph&amp;#7843;i s&amp;#7917; d&amp;#7909;ng l&amp;#7879;nh &amp;#8220;&lt;strong&gt;go get&lt;/strong&gt;&amp;#8221; &amp;#273;&amp;#7875; t&amp;#7843;i th&amp;#432; vi&amp;#7879;n, r&amp;#7845;t chi l&amp;#224; m&amp;#7845;t th&amp;#7901;i gian lu&amp;#244;n, n&amp;#7871;u project &amp;#237;t th&amp;#432; vi&amp;#7879;n th&amp;#236; kh&amp;#244;ng n&amp;#243;i, project m&amp;#224; s&amp;#7917; d&amp;#7909;ng nhi&amp;#7873;u module th&amp;#432; vi&amp;#7879;n th&amp;#236; t&amp;#7843;i v&amp;#7873; b&amp;#7857;ng &amp;#8220;go get&amp;#8221; s&amp;#7869; r&amp;#7845;t l&amp;#224; n&amp;#7843;n.&lt;/p&gt;
&lt;h2 id=&quot;mcetoc_1dudut73g2&quot; dir=&quot;ltr&quot;&gt;S&amp;#7917; d&amp;#7909;ng Go Mod&lt;/h2&gt;
&lt;p dir=&quot;ltr&quot;&gt;Anh em c&amp;#243; th&amp;#7875; t&amp;#7843;i code tham kh&amp;#7843;o v&amp;#224; th&amp;#7921;c h&amp;#224;nh v&amp;#7899;i project Go &amp;#7903; &amp;#273;&amp;#432;&amp;#7901;ng link sau &amp;#273;&amp;#226;y: &lt;span style=&quot;color: #3366ff;&quot;&gt;&lt;a style=&quot;color: #3366ff;&quot; href=&quot;https://github.com/PhongVX/golang-rest-api.git&quot;&gt;Github&lt;/a&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Project tr&amp;#234;n m&amp;#236;nh x&amp;#226;y d&amp;#7921;ng trong &lt;strong&gt;GOPATH&lt;/strong&gt; v&amp;#7899;i link h&amp;#432;&amp;#7899;ng d&amp;#7851;n chi ti&amp;#7871;t t&amp;#7841;i: &lt;span style=&quot;color: #3366ff;&quot;&gt;https://anhlamweb.com/bai-viet-70/xay-dung-rest-api-co-ban-trong-golang.html&lt;/span&gt;&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;V&amp;#224; gi&amp;#7901; t&amp;#7915; project &amp;#273;&amp;#243; m&amp;#236;nh s&amp;#7869; chuy&amp;#7875;n qua d&amp;#249;ng Go Modules &amp;#273;&amp;#7875; qu&amp;#7843;n l&amp;#253; c&amp;#225;c module th&amp;#432; vi&amp;#7879;n d&amp;#7877; d&amp;#224;ng h&amp;#417;n nha.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Anh em c&amp;#243; th&amp;#7875; &amp;#273;&amp;#7875; &amp;#253;, sau khi clone project v&amp;#7873; v&amp;#7899;i &amp;#273;&amp;#432;&amp;#7901;ng link Git &amp;#7903; tr&amp;#234;n th&amp;#236; c&amp;#243; 2 file go.mod v&amp;#224; go.sum.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;go.mod&lt;/strong&gt; : &amp;#272;&amp;#7883;nh ngh&amp;#297;a &amp;#273;&amp;#432;&amp;#7901;ng d&amp;#7851;n c&amp;#7911;a c&amp;#225;c module.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;go.sum:&lt;/strong&gt; &amp;#272;&amp;#7875; l&amp;#432;u v&amp;#7871;t version c&amp;#7911;a th&amp;#432; vi&amp;#7879;n m&amp;#224; project &amp;#273;ang s&amp;#7917; d&amp;#7909;ng.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;Anh em nh&amp;#7899; check l&amp;#7841;i version go m&amp;#224; m&amp;#236;nh &amp;#273;ang s&amp;#7917; d&amp;#7909;ng nh&amp;#233;, n&amp;#7871;u &lt;strong&gt;Go 1.11 tr&amp;#7903; l&amp;#234;n&lt;/strong&gt; th&amp;#236; m&amp;#7899;i c&amp;#243; Go Modules nh&amp;#233;.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;V&amp;#7899;i vi&amp;#7879;c s&amp;#7917; d&amp;#7909;ng Go mod, &lt;strong&gt;&amp;#273;&amp;#432;&amp;#7901;ng d&amp;#7851;n t&amp;#7899;i project ph&amp;#7843;i n&amp;#7857;m ngo&amp;#224;i th&amp;#432; m&amp;#7909;c src c&amp;#7911;a GOPATH&lt;/strong&gt; ho&amp;#7863;c anh em c&amp;#243; th&amp;#7875; &lt;strong&gt;x&amp;#243;a bi&amp;#7871;n m&amp;#244;i tr&amp;#432;&amp;#7901;ng c&amp;#7911;a GOPATH&lt;/strong&gt; &amp;#273;i lu&amp;#244;n c&amp;#361;ng &amp;#273;&amp;#432;&amp;#7907;c.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;B&amp;#432;&amp;#7899;c 1:&lt;/strong&gt; sau khi clone project v&amp;#7873; n&amp;#7871;u anh em mu&amp;#7889;n ch&amp;#7841;y ngay ch&amp;#432;&amp;#417;ng tr&amp;#236;nh th&amp;#236; c&amp;#7913; vi&amp;#7879;c ch&amp;#7841;y l&amp;#7879;nh &lt;strong&gt;go run main.go&lt;/strong&gt; l&amp;#224; &amp;#273;&amp;#432;&amp;#7907;c, go mod s&amp;#7869; t&amp;#7921; &amp;#273;&amp;#7897;ng t&amp;#7843;i c&amp;#225;c g&amp;#243;i module v&amp;#7873; cho anh em lu&amp;#244;n.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;B&amp;#432;&amp;#7899;c 2:&lt;/strong&gt; B&amp;#432;&amp;#7899;c n&amp;#224;y anh em mu&amp;#7889;n t&amp;#7921; tay m&amp;#236;nh bi&amp;#7875;u di&amp;#7877;n k&amp;#7929; thu&amp;#7853;t, th&amp;#236; h&amp;#227;y x&amp;#243;a &lt;strong&gt;go.mod&lt;/strong&gt; v&amp;#224; &lt;strong&gt;go.sum&lt;/strong&gt; &amp;#273;i sau &amp;#273;&amp;#243; ch&amp;#7841;y l&amp;#7879;nh:&lt;/p&gt;
&lt;pre class=&quot;language-go&quot;&gt;&lt;code&gt;go mod init&lt;/code&gt;&lt;/pre&gt;
&lt;p dir=&quot;ltr&quot;&gt;Sau khi ch&amp;#7841;y l&amp;#7879;nh tr&amp;#234;n th&amp;#236; file go.mod &amp;#273;&amp;#432;&amp;#7907;c kh&amp;#7903;i t&amp;#7841;o.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;N&amp;#7897;i dung trong file go.mod&lt;/p&gt;
&lt;pre class=&quot;language-go&quot;&gt;&lt;code&gt;module github.com/PhongVX/golang-rest-api

go 1.12

require github.com/gorilla/mux v1.7.3 // indirect&lt;/code&gt;&lt;/pre&gt;
&lt;p dir=&quot;ltr&quot;&gt;&lt;strong&gt;B&amp;#432;&amp;#7899;c 3:&lt;/strong&gt; Ch&amp;#7841;y ch&amp;#432;&amp;#417;ng tr&amp;#236;nh v&amp;#224; t&amp;#7921; &amp;#273;&amp;#7897;ng t&amp;#7843;i c&amp;#225;c module b&amp;#7857;ng l&amp;#7879;nh:&lt;/p&gt;
&lt;pre class=&quot;language-go&quot;&gt;&lt;code&gt;go run main.go&lt;/code&gt;&lt;/pre&gt;
&lt;p dir=&quot;ltr&quot;&gt;Sau khi ch&amp;#7841;y ch&amp;#432;&amp;#417;ng tr&amp;#236;nh th&amp;#236; go.sum s&amp;#7869; &amp;#273;&amp;#432;&amp;#7907;c t&amp;#7841;o ra, l&amp;#432;u v&amp;#7871;t version c&amp;#7911;a c&amp;#225;c module s&amp;#7917; d&amp;#7909;ng trong project.&lt;/p&gt;
&lt;p dir=&quot;ltr&quot;&gt;N&amp;#7897;i dung trong file go.sum&lt;/p&gt;
&lt;pre class=&quot;language-go&quot;&gt;&lt;code&gt;github.com/gorilla/mux v1.7.3 h1:gnP5JzjVOuiZD07fKKToCAOjS0yOpj/qPETTXCCS6hw=

github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=&lt;/code&gt;&lt;/pre&gt;
&lt;p dir=&quot;ltr&quot;&gt;Sau khi &amp;#7913;ng d&amp;#7909;ng &amp;#273;&amp;#227; ch&amp;#7841;y, anh em c&amp;#243; th&amp;#7875; tham kh&amp;#7843;o b&amp;#224;i vi&amp;#7871;t n&amp;#224;y&amp;#160;&lt;span style=&quot;color: #3366ff;&quot;&gt;https://anhlamweb.com/bai-viet-70/xay-dung-rest-api-co-ban-trong-golang.html&lt;/span&gt;&lt;span style=&quot;color: #3366ff;&quot;&gt;&amp;#160;&lt;/span&gt;&amp;#273;&amp;#7875; test l&amp;#7841;i c&amp;#225;c API nh&amp;#233;. Ch&amp;#250;c anh em th&amp;#224;nh c&amp;#244;ng.&lt;/p&gt;
&lt;/body&gt;
&lt;/html&gt;

Để quản lý các modules trong Go một cách tiện lợi và dễ dàng hơn, từ phiên bản Go 1.11 đội ngũ Go đã cho ra mắt Go Modules. Chúng ta có thể sử dụng Go Modules, gọi tắt là Go Mod để install các gói module một cách tự động khi chúng ta thực hiện thực thi chương trình

Cách Sử Dụng Go Modules

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<head>
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<body>
<div class="mce-toc">
<h2>Mục lục:</h2>
<ul>
<li><a href="#mcetoc_1dj9vfu8aa">M&ocirc;i trường l&agrave;m việc ng&agrave;nh IT thừa nam thiếu nữ</a></li>
<li><a href="#mcetoc_1dj9vfu8ab">Dev kh&ocirc;ng kh&eacute;o trong việc ăn n&oacute;i</a></li>
<li><a href="#mcetoc_1dj9vfu8ac">Dev Hướng nội, thi&ecirc;n về logic hơn thi&ecirc;n về cảm x&uacute;c</a></li>
<li><a href="#mcetoc_1dj9vfu8ad">C&aacute;c dev kh&aacute; bận rộn</a></li>
<li><a href="#mcetoc_1dj9vfu8ae">Kiến thức x&atilde; hội thiếu thốn.</a></li>
<li><a href="#mcetoc_1dj9vfu8af">Dev c&oacute; phong c&aacute;ch giản dị v&agrave; tinh gọn</a></li>
<li><a href="#mcetoc_1dj9vfu8ag">Tạm kết:</a></li>
</ul>
</div>
<h2 id="mcetoc_1dj9vfu8aa">M&ocirc;i trường l&agrave;m việc ng&agrave;nh IT thừa nam thiếu nữ</h2>
Đối với ng&agrave;nh IT th&igrave; c&aacute;c bạn cũng biết r&otilde; l&agrave; m&ocirc;i trường l&agrave;m việc đồng nghiệp nam sẽ nhiều hơn nữ, đối với team m&igrave;nh hiện giờ th&igrave; số lượng th&agrave;nh vi&ecirc;n tr&ecirc;n 30 người nhưng chỉ c&oacute; 2 3 bạn nữ th&ocirc;i. Việc t&igrave;m được người t&igrave;nh trong mộng thật sự rất kh&oacute; khăn phải kh&ocirc;ng chưa t&iacute;nh tới việc phải cạnh tranh với c&aacute;c con đực c&ograve;n lại để gi&agrave;nh được bạn t&igrave;nh nữa nh&eacute;.
<img src="https://lh3.googleusercontent.com/XnlUipAFZ_q1mUTjvVYylNKR-G9sKNWNp1iL_N0OcSOgVP3X4M5FkNmUgy6bkojC8j66ps2ItP3DQDBQPfDNRkmJthfnm7WwyvPQljvlJIe5o5Dl1mBKl_AaUvyIlLOMKwWBovcR" width="813" height="542" />
<h2 id="mcetoc_1dj9vfu8ab" dir="ltr">Dev kh&ocirc;ng kh&eacute;o trong việc ăn n&oacute;i</h2>
D&acirc;n kỹ thuật th&igrave; mọi người cũng đ&atilde; qu&aacute; hiểu l&agrave; rất kiệm lời, kh&ocirc;ng giỏi trong việc ăn n&oacute;i v&agrave; giải th&iacute;ch cảm x&uacute;c như c&aacute;c bạn ở những ng&agrave;nh đ&ograve;i hỏi việc giao lưu v&agrave; kỹ năng ăn n&oacute;i tốt kh&aacute;c. N&ecirc;n sẽ fail trong v&ograve;ng gửi xe khi mở miệng ra cua g&aacute;i dưới đ&acirc;y l&agrave; 1 đoạn tin nhắn quen thuộc khi lập tr&igrave;nh vi&ecirc;n cua g&aacute;i:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&ldquo;S&aacute;ng ấm em nha,&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Em ăn cơm chưa,
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Em buồn ngủ chưa,
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Anh l&agrave;m việc t&iacute; đ&atilde;,
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Em ngủ ngon&rdquo;
M&agrave; đ&aacute;ng tiếc thay l&agrave; &ldquo;Con trai y&ecirc;u bằng mắt, con g&aacute;i y&ecirc;u bằng tai&rdquo; c&aacute;c anh ch&agrave;ng của ch&uacute;ng ta lại kh&ocirc;ng kh&eacute;o trong việc ăn n&oacute;i n&ecirc;n chẳng c&oacute; lời n&agrave;o ngọt ng&agrave;o nghe vừa tai ph&aacute;i đẹp thế l&agrave; lại ế.
<h2 id="mcetoc_1dj9vfu8ac" dir="ltr">Dev Hướng nội, thi&ecirc;n về logic hơn thi&ecirc;n về cảm x&uacute;c</h2>
Nguy&ecirc;n nh&acirc;n ế của c&aacute;c lập tr&igrave;nh vi&ecirc;n cũng từ t&iacute;nh c&aacute;ch qu&aacute; hướng nội, th&iacute;ch th&igrave; n&oacute;i th&iacute;ch, y&ecirc;u th&igrave; n&oacute;i y&ecirc;u kh&ocirc;ng đ&acirc;u cứ giữ trong l&ograve;ng đ&oacute; để rồi bỏ mất cơ hội c&oacute; được người đẹp.
Lập tr&igrave;nh vi&ecirc;n hay gọi 1 c&aacute;ch th&acirc;n mật hơn l&agrave; c&aacute;c dev (developer) ch&uacute;ng ta hay giấu những t&acirc;m sự cho ri&ecirc;ng m&igrave;nh chứ &iacute;t khi b&agrave;y tỏ ra được hết nỗi l&ograve;ng m&igrave;nh.&nbsp;&nbsp;
C&aacute;c bạn nữ th&igrave; đang t&igrave;m c&aacute;c anh ch&agrave;ng so&aacute;i ca như trong phim H&agrave;n c&ograve;n c&aacute;c dev th&igrave; kh&ocirc; cứng thấy m&agrave; ch&aacute;n.&nbsp;
Với sức chịu đựng của c&aacute;c dev cực kỳ cao thế n&ecirc;n c&oacute; buồn ch&agrave;ng dev cũng kh&ocirc;ng n&oacute;i ra đ&acirc;u, c&oacute; c&acirc;u an ủi n&agrave;y &ldquo;c&aacute;c dev ch&uacute;ng ta kh&ocirc;ng c&ocirc; đơn, ch&uacute;ng ta c&oacute; m&aacute;y t&iacute;nh b&ecirc;n cạnh rồi phải kh&ocirc;ng&rdquo;
<img src="https://lh4.googleusercontent.com/zgSh_xmWemSS7Ep3DuKYXrP0ADRu-MGIk0A3BE_x7YJbuE2bunsIocayNL4maSfSEYLyy7x53XBWVxqVTtLhsmdRRgZQ8QugzEjEQFeEOKU-vmAw13gqtZGK56OsGZiLc9_iaJkQ" width="828" height="551" />
<h2 id="mcetoc_1dj9vfu8ad" dir="ltr">C&aacute;c dev kh&aacute; bận rộn</h2>
Ch&uacute;ng ta l&agrave; những người đam m&ecirc; v&agrave; ham học hỏi những kiến thức mới, những c&ocirc;ng nghệ mới, ngo&agrave;i giờ l&agrave;m việc c&aacute;c dev thường phải nghi&ecirc;n cứu v&agrave; m&agrave;y m&ograve; th&ecirc;m để c&oacute; thể cập nhật đủ lượng kiến thức ph&ograve;ng th&acirc;n v&igrave; c&ocirc;ng nghệ cứ thay đổi từng ng&agrave;y từng ng&agrave;y nếu ch&uacute;ng ta ngưng học hỏi, ch&uacute;ng ta sẽ dậm ch&acirc;n tại chỗ v&agrave; bị v&ugrave;i ch&ocirc;n bởi thứ gọi l&agrave; c&ocirc;ng nghệ.
&Aacute;p lực từ c&ocirc;ng việc deadline tới li&ecirc;n tục c&oacute; khi c&aacute;c dev phải l&agrave;m việc OT để kịp thời hạn delivery cho kh&aacute;ch h&agrave;ng, khi đ&atilde; delivery cho kh&aacute;ch h&agrave;ng rồi nếu c&oacute; lỗi (bug) th&igrave; c&aacute;c dev phải fix n&oacute; bất chấp l&agrave; ở c&ocirc;ng ty, tr&ecirc;n xe bus, hay ở nh&agrave;, hoặc kể cả trong nh&agrave; vệ sinh.
V&igrave; c&aacute;i gọi l&agrave; tương lại m&agrave; thời gian nắm chuột nhiều hơn l&agrave; nắm tay em người y&ecirc;u đi chơi, đi ăn, đi l&agrave;m mấy tr&ograve; y&ecirc;u đương n&ecirc;n l&agrave; rất thiệt th&ograve;i cho c&aacute;c em ấy.
<img src="https://lh3.googleusercontent.com/gnZddsFj9yGaSkEtrMV-qeLB29eUTZ6nietnZImF_28syu_sn2TFUv9vw5PyAM1mD_wPDMd8Tzmk-WI3F5GjRmc8cTtqGhntd4JgbQVGrOs-FKgjmKUMgSjgBImHT2cFjYU_quIy" width="797" height="806" />
<h2 id="mcetoc_1dj9vfu8ae" dir="ltr">Kiến thức x&atilde; hội thiếu thốn.</h2>
Tuy c&aacute;c dev rất th&ocirc;ng minh, giải quyết vấn đề logic rất nhanh nhạy nhưng do chỉ ngồi ở nh&agrave; code v&agrave; học &iacute;t khi ra ngo&agrave;i x&atilde; hội trải sự đời n&ecirc;n thường c&aacute;c dev kinh nghiệm thực chiến b&ecirc;n ngo&agrave;i x&atilde; hội sẽ yếu hơn c&aacute;c bạn kh&aacute;c.&nbsp;
<h2 id="mcetoc_1dj9vfu8af" dir="ltr">Dev c&oacute; phong c&aacute;ch giản dị v&agrave; tinh gọn</h2>
C&aacute;c ch&agrave;ng trai kh&aacute;c th&igrave; quần &aacute;o t&oacute;c tai đủ kiểu nhưng c&aacute;c ch&agrave;ng dev th&igrave; qu&aacute; đơn giản kh&ocirc;ng cầu k&igrave; trong phong c&aacute;ch ăn mặt, &iacute;t chải chuốt. Người đẹp v&igrave; lụa m&agrave; đ&uacute;ng kh&ocirc;ng c&aacute;c trai dev tuy cũng c&oacute; n&eacute;t đẹp ri&ecirc;ng của m&igrave;nh nhưng lại kh&ocirc;ng lọt v&agrave;o mắt của phải đẹp.&nbsp;
<h2 id="mcetoc_1dj9vfu8ag" dir="ltr">Tạm kết:</h2>
Khi ch&uacute;ng ta biết ch&uacute;ng ta thiếu g&igrave; th&igrave; h&atilde;y sửa đổi, thiếu muối th&igrave; tắm biển để mặn m&ograve;i từ da dẻ. C&ocirc; đơn th&igrave; t&igrave;m gấu v&agrave; nhớ thay đổi v&agrave; ho&agrave;n thiện bản th&acirc;n mỗi ng&agrave;y nh&eacute; c&aacute;c bạn.
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Lập trình viên thường ế bởi nhiều nguyên nhân khác nhau nhưng mình xin liệt kê vài nguyên nhân chủ yêu mà các dev (gọi thân mật) thường mắc phải 

Tại sao lập trình viên thường ế?

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<head>
</head>
<body>
<div class="mce-toc">
<h2>Mục lục:</h2>
<ul>
<li><a href="#mcetoc_1dj9vkpo8i">Mở đầu</a></li>
<li><a href="#mcetoc_1dj9vkpo8j">C&agrave;i đặt Golang tr&ecirc;n Windows.</a>
<ul>
<li><a href="#mcetoc_1dj9vkpo8k">C&agrave;i đặt</a></li>
<li><a href="#mcetoc_1dj9vkpo8l">Thiết lập biến m&ocirc;i trường.</a></li>
</ul>
</li>
<li><a href="#mcetoc_1dj9vkpo8m">C&agrave;i đặt Golang tr&ecirc;n Ubuntu.</a></li>
<li><a href="#mcetoc_1dj9vkpo8n">Hello world trong Golang.</a></li>
<li><a href="#mcetoc_1dj9vkpo8p">T&oacute;m Lại:</a></li>
</ul>
</div>
<h2 id="mcetoc_1dj9vkpo8i" dir="ltr">Mở đầu</h2>
Để biết Golang l&agrave;m được những g&igrave; v&agrave; n&oacute; lợi hại như thế n&agrave;o th&igrave; m&igrave;nh h&atilde;y bắt tay v&agrave;o việc c&agrave;i đặt Go l&ecirc;n m&aacute;y v&agrave; thực h&agrave;nh th&ocirc;i n&agrave;o.
Nếu c&aacute;c bạn th&iacute;ch đọc hướng dẫn v&agrave; t&agrave;i liệu bằng tiếng anh v&agrave; v&iacute; dụ cụ thể th&igrave; c&oacute; thể tham khảo c&aacute;c nguồn sau đ&acirc;y m&igrave;nh cũng học v&agrave; tham khảo tr&ecirc;n c&aacute;c trang n&agrave;y:
Go by example: <a style="color: #3366ff;" href="https://gobyexample.com/">https://gobyexample.com/</a>
The Tour of Go:&nbsp; <a style="color: #3366ff;" href="https://tour.golang.org">https://tour.golang.org</a>
How To Write Go Code: <a style="color: #3366ff;" href="https://golang.org/doc/code.html">https://golang.org/doc/code.html</a>
Để download g&oacute;i c&agrave;i đặt c&aacute;c bạn v&agrave;o trang n&agrave;y để lấy g&oacute;i ph&ugrave; hợp với m&aacute;y c&aacute;c bạn: <a style="color: #3366ff;" href="https://golang.org/dl/">https://golang.org/dl/</a>
<h2 id="mcetoc_1dj9vkpo8j">C&agrave;i đặt Golang tr&ecirc;n Windows.</h2>
<h3 id="mcetoc_1dj9vkpo8k" dir="ltr">C&agrave;i đặt</h3>
C&aacute;c bạn v&agrave;o trang download của Golang m&igrave;nh đ&atilde; để link ph&iacute;a tr&ecirc;n v&agrave; t&iacute;m đến chỗ dowload g&oacute;i c&agrave;i đặt cho Microsoft Windows, tiến h&agrave;nh download về th&ocirc;i.
<img style="display: block; margin-left: auto; margin-right: auto;" src="https://lh3.googleusercontent.com/48oEitXGF0zUeJDJBjmrExnM2A738wwCdwQGJxs5xs0tJncgt93d1VQiXTEiyJasaC5Qcyyjgv4Kns84i7bQvqbtd13f7_136e01iFOOq20_rDvUKLAwT1NNlhhI9iK98tPFbRg7" width="624" height="164" />
Cũng như c&agrave;i đặt c&aacute;c chương tr&igrave;nh kh&aacute;c c&aacute;c bạn nếu kh&ocirc;ng muốn điều chỉnh g&igrave; th&igrave; cứ nhấn Next, next nh&eacute;.
<img style="max-width: 490px; display: block; margin-left: auto; margin-right: auto;" src="https://lh4.googleusercontent.com/VMKWrXTyZMeuWCHwHLqc5QVrEd1SDGnoMLXde84UjZa4DwqdMFsZxwXPydy1N6tPVAkc3KK-KxIt0pgWOuKpM9T9xHw6k_QGsY_6SmubJtsPio0jP1SeKj7onmfsljX9B4N6lPOt" width="490" height="383" />
Chấp nhận điều khoản, nhấn Next.
<img style="max-width: 490px; display: block; margin-left: auto; margin-right: auto;" src="https://lh5.googleusercontent.com/Ce3yEjoQBwQnX2jLvs7iKuXIVaprvKOI03LHvn4HhYnyicaKQ5XXQQHN7nLS-rhMlsxwLX2YJLZg4ks_jG1tow_MKj8rH7OKuH_7f9A6uktqnHACSbMYTknkFIgsl_DsuBh7tcny" width="488" height="381" />
Ở bước n&agrave;y c&aacute;c bạn c&oacute; thể điều chỉnh lại đường dẫn m&agrave; ch&uacute;ng ta muốn c&agrave;i đặt Golang tr&ecirc;n m&aacute;y, sau đ&oacute; nhấn Next.
<img style="max-width: 490px; display: block; margin-left: auto; margin-right: auto;" src="https://lh3.googleusercontent.com/w3LJKOPonMQAkPrerxqmyoMs3rEY-MPhG2MIvY_aSbrDXxTPYNU-vAu1pn7SNCYtv7ilGHiwtlMDF9GkpWgywe4DOXxBkFg4waPLpkM_-PxLn7iqFFOpdQ7_ZYyjCaa-USs_4Qka" width="489" height="380" />
Nhấn Install n&agrave;o hỏi nhiều qu&aacute; đấy.
<img style="max-width: 490px; display: block; margin-left: auto; margin-right: auto;" src="https://lh3.googleusercontent.com/nU8ZCEPDHv47JKMswIqzekRMiOomfpbLQz-eBXNVMQaL7OzC4z4KJQ5o994o5PM2fPnCQr_cqKUYTLq_PC4su_pEXI3dCRVJrM1N3gMf5Ic1Cx8SQiOWZftMMy7HQsKvz47JE3tI" width="487" height="382" />
C&aacute;c bạn chờ trong gi&acirc;y l&aacute;t nh&eacute;, 1 x&iacute; nữa th&ocirc;i l&agrave; xong rồi.
<img style="max-width: 490px; display: block; margin-left: auto; margin-right: auto;" src="https://lh3.googleusercontent.com/OO_7JWWgk1WICCEzIWHStOL76Yl6eBZBuz2sXlLPfz_8G4f3taqAGDE9bMx8pNVp-NDdX7U7wzXyRyOzX4kEfkoIBgzwRiyit-lgftVkD-3wKlyTzOa0EeUmLCR2tTcpGXRlr-vE" width="485" height="380" />
Ok, nhấn Finish để ho&agrave;n th&agrave;nh việc c&agrave;i đặt.
<img style="max-width: 490px; display: block; margin-left: auto; margin-right: auto;" src="https://lh3.googleusercontent.com/Xl9XOym95GmWFr2dbO22L7MJcO4Zr8yCPD9UX1zwz8yQImbQpPOER1HLdjEFr500WKQxMipurW7o95eRTzQeHTuIAUg7N6xNxX4-0CTa3AimZrOLL5cj-GOYyZ14LD2w6F61PVS0" width="493" height="381" />
Như vậy ch&uacute;ng ta đ&atilde; ho&agrave;n tất cả c&aacute;c bước c&agrave;i đặt, bước tiếp theo l&agrave; setup biến m&ocirc;i trường GOROOT v&agrave; GOPATH.
<h3 id="mcetoc_1dj9vkpo8l">Thiết lập biến m&ocirc;i trường.</h3>
C&aacute;c bạn nhấn n&uacute;t Windows v&agrave; g&otilde; t&igrave;m đến c&agrave;i đặt biến m&ocirc;i trường như h&igrave;nh b&ecirc;n dưới.
<code><img style="display: block; margin-left: auto; margin-right: auto; max-width: 300px;" src="https://lh3.googleusercontent.com/EQgtw9t5p8drwq9mGJtUug23k2lh9tzoSZwhWZQnF9mKveXCPo9KNqjIzhq0PIh2R4NXj1YnnXLJqMrEvRBSZOrxR2IsE5xV4eWrnLtFQ27iAE4ZXImefLgpC4xOUa7g4wzam1vy" width="300" height="525" /></code>
Chọn v&agrave;o Environment Variables.
<img style="max-width: 480px; display: block; margin-left: auto; margin-right: auto;" src="https://lh4.googleusercontent.com/3QXmE4gKdXuVmSpUyxb5EePBJnlcFrMX7RWcsVeU5D878ox5Hzy7cypoSAfMZfAZX11pn2pwv8bkpWnG0Ypx8nQI-NdyD5YTQVfMgaJIkZHxCVsibD5ctnNdrv-Tv47AVgJMFRtM" width="381" height="547" />
Sau đ&oacute; chọn New v&agrave; th&ecirc;m một biến (variable) t&ecirc;n l&agrave; GOPATH với đường dẫn đến thư mục ch&uacute;ng ta muốn tạo c&aacute;c project Golang, đ&acirc;y l&agrave; nơi l&agrave;m việc với code Go của ch&uacute;ng ta.
<img style="max-width: 483px; display: block; margin-left: auto; margin-right: auto;" src="https://lh4.googleusercontent.com/7uBMG7fqYhb37sq0jpFWtr04G04wrIq3DT0u_jHwcYPaEHddZ8C5PnQvugTMEy_vCFtuIUHwIS0RFIKxxESBzBcwZQuJWudqcyZMxk1zou-mTB52m_Agml_kVgMsDiPggcohvDLB" width="323" height="456" />
V&agrave; nh&igrave;n xuống biến c&oacute; t&ecirc;n Path để xem đ&atilde; dẫn tới thư mục bin của Go m&agrave; ban đầu ch&uacute;ng ta đ&atilde; c&agrave;i đặt chưa nh&eacute;.
<img style="max-width: 490px; display: block; margin-left: auto; margin-right: auto;" src="https://lh5.googleusercontent.com/nff5ZUsISqMChtyIT0umRGY3bwFnoDyEnlLbNtIaN2n-7hJ3XtjZVmGaEhJPbxJVaH2rULKBaHQOuSV7bxL_0zxsHlRqtpl1R_bUJ0hiW0szeLv7QdU19WAVlt_-EApdo-2k25ce" width="340" height="415" />
M&igrave;nh thấy n&oacute; đ&atilde; c&oacute; rồi n&ecirc;n l&agrave; ok, nếu chưa c&oacute; th&igrave; m&igrave;nh sẽ th&ecirc;m v&agrave;o.
<img style="max-width: 501px; display: block; margin-left: auto; margin-right: auto;" src="https://lh3.googleusercontent.com/2RMlVHMIN7ZQcBVXX5RkN9FJeMssZzNtSX5Gk6uI9HRAreZWLu_veyKuIebnyVgS_mDa2hjDUwqDc569BHnzIUKABNCberFdRk41RJi2JtO1C-4_i8Cuz520VFVWcRAerPPcfoBL" width="355" height="419" />
Sau đ&oacute; restart lại m&aacute;y v&agrave; kiểm tra Go đ&atilde; được setup đ&uacute;ng chưa.
Kiểm tra version của Go bằng command go version
<img style="display: block; margin-left: auto; margin-right: auto; max-width: 631px;" src="https://lh4.googleusercontent.com/Blpa_ef0YI91k0PmTZ5jg-vAoBEL62zY9jUzi8RCW3wlfht74IkWJRtWMxsaLwvUFUqqOhIpBk2VSJd3JkHbcTfUC3wVbjEsDLiDYspihffGlevkMcR6u65fccv0O3AKNIfUGFE5" width="631" height="402" />
Kiểm tra cấu h&igrave;nh c&agrave;i đặt biến m&ocirc;i trường lưu &yacute; 2 biến l&agrave; GOROOT v&agrave; GOPATH.
<img style="display: block; margin-left: auto; margin-right: auto; max-width: 624px;" src="https://lh6.googleusercontent.com/HkAYOaSjVGghdxdEcDqA27L1CUcKSwjQ5IZvt_w88Okq_zqIwGcUpOGxlipJftd_7JYbwqJi60jAsrCi_o8bLz1VX2Oqh84lxq9hM0gbIh4eBjig8emApA_5mNB8btVp_ybwIEhS" width="624" height="463" />
<h2 id="mcetoc_1dj9vkpo8m">C&agrave;i đặt Golang tr&ecirc;n Ubuntu.</h2>
Truy cập v&agrave;o m&aacute;y Ubuntu thực hiện việc update apt.&nbsp;
<code>sudo apt-get update</code>
<code>sudo apt-get -y upgrade</code>
Tải Golang về m&aacute;y.&nbsp;
V&agrave;o thư mục m&agrave; ch&uacute;ng ta muốn ở đ&acirc;y m&igrave;nh sẽ bỏ v&agrave;o thư mục /home/vxphong/go v&agrave; thư mục n&agrave;y m&igrave;nh đ&atilde; tạo sẵn tr&ecirc;n m&aacute;y.
<code>cd /home/vxphong/go</code>
<code>wget <a href="https://dl.google.com/go/go1.12.7.linux-amd64.tar.gz">https://dl.google.com/go/go1.12.7.linux-amd64.tar.gz</a></code>
<img style="display: block; margin-left: auto; margin-right: auto; max-width: 624px;" src="https://lh5.googleusercontent.com/Z33yoofwY6EsYVgpyHYd-izhON5tjtr_TdsCVVMeWGorKOs-YNGcJj7Y8fvoyImTfoiXRQH4TTsQmIueJS8KlthuE7nNPioE-su-3WPBv3QbOOJ4VcCaxHx5aH34vu4mwnFl2e8n" width="624" height="417" />
Sau khi đ&atilde; tải được g&oacute;i c&agrave;i đặt xuống ta tiến h&agrave;nh giải n&eacute;n (extract).
<img style="display: block; margin-left: auto; margin-right: auto; max-width: 624px;" src="https://lh5.googleusercontent.com/3MnQalQ5lal6MgkpVH7aBvgr6FWK--iv-vcVHsJKqNogs0R85c9Umadf8u4slTHD6EQHwwCxGZiCmEl6FeiIB_tJBkAjONABmhxbubgFgWn0o9w0yxUmy-pQLyAVo80fEmhpZq-Q" width="624" height="413" />
Ở đ&acirc;y m&igrave;nh c&aacute;i nhiều phi&ecirc;n bản n&ecirc;n m&igrave;nh sẽ đổi t&ecirc;n thư mục go vừa extract ra th&agrave;nh số version nha.
<code>mv go 1.12.7</code>
<img style="display: block; margin-left: auto; margin-right: auto; max-width: 624px;" src="https://lh4.googleusercontent.com/6MV7tTWybYpjbLVdWA15_fLrA8CEALRbrnt_hSkwog_fEZ5TTdzFuwLhRFwr1DHpDTrFdbiIMTGJENTXBD3xVaHNFrfLKZTkCVnhoGTlR9-wlZZLwKW5RJB0NJmRjNrGinc9V78i" width="624" height="416" />
Để gọn tr&ocirc;ng nh&igrave;n sạch hơn m&igrave;nh x&oacute;a lu&ocirc;n file tar.gz nha, v&agrave; đ&acirc;y l&agrave; thư mục m&agrave; m&igrave;nh đ&atilde; c&agrave;i đặt Go.
<code>cd 1.12.7</code>
<code>pwd</code>
Ch&uacute;ng ta sẽ nhớ đường dẫn n&agrave;y để t&iacute; nữa c&agrave;i đặt biến m&ocirc;i trường GOROOT nha.
/home/vxphong/go/1.12.7
<img style="display: block; margin-left: auto; margin-right: auto; max-width: 624px;" src="https://lh3.googleusercontent.com/52AC7hyia39pav-d5UX2faicP0-HubB0RVaUqbAqpLD-u88ksNHmHLcD-mYWXOIVJgvJDQWBJ6h3k1MXjJkfN05ODSFHgVeg0sQ_a8hn15C67zCu7ekuhU1P8tIrAkIgoRyG6zTW" width="624" height="413" />
Tạo ra thư mục l&agrave;m việc với code Go
<code>mkdir /home/vxphong/gopath</code>
Tiếp theo ch&uacute;ng ta h&atilde;y thiết&nbsp; lập GOPATH v&agrave; GOROOT
<code>nano /home/vxphong/.bashrc</code>
V&agrave; export c&aacute;c đường dẫn để thiết lập biến m&ocirc;i trường GOPATH, GOROOT v&agrave; PATH.
<code>export GOROOT=/home/vxphong/go/1.12.7</code>
<code>export GOPATH=/home/vxphong/gopath</code>
<code>export PATH=$PATH:$GOROOT/bin:$GOPATH/bin</code>
<img style="display: block; margin-left: auto; margin-right: auto; max-width: 624px;" src="https://lh3.googleusercontent.com/RWCu9-Mj44NTWExPFBjdptAeOikcQ4tCVWxKJJzKsKj2MN_leOIjieG6lqg1Zqhv53MRSy8YF0vXe5grfysBDKqcqho-b_fMsvBnnOoXwAtJGLVFai0xZ-ylBiUK_fSDfSlE9vMn" width="624" height="408" />
Như vậy l&agrave; đ&atilde; xong kiểm tra version của Go n&agrave;o c&aacute;c bạn, ch&uacute;ng ta tắt terminal đang l&agrave;m việc đi v&agrave; mở lại.
<code>go version</code>
Kiểm tra c&aacute;c biến m&ocirc;i trường đ&atilde; thiết lập trước đ&oacute;.
<code>go env</code>
<img style="display: block; margin-left: auto; margin-right: auto; max-width: 624px;" src="https://lh5.googleusercontent.com/ToXvZIfYpH1eOM-o0iSrNu_hAs0OZPZFHdjSlOGccRgTcbrVcfkHJss3dpAnBBVwzWHeHv3oq82fT0GfbHyJ7GK8s2LmnfmELNPkS_rwWZTcg8LPxN4DJylRot605RBBAcqKDjlT" width="624" height="412" />
<h2 id="mcetoc_1dj9vkpo8n">Hello world trong Golang.</h2>
Quay trở lại với m&aacute;y Windows của m&igrave;nh, c&aacute;c bạn nhớ l&uacute;c trước m&igrave;nh đ&aacute; thiết lập biến m&ocirc;i trường GOPATH kh&ocirc;ng? Trong thư mục GOPATH th&igrave; ch&uacute;ng ta tạo th&ecirc;m thư mục src nữa nha. nơi l&agrave;m việc để tạo ra c&aacute;c project sẽ nằm ở đ&oacute;.
<code>mkdir src</code>
<code>cd src</code>
<code>mkdir hello-world</code>
<img style="display: block; margin-left: auto; margin-right: auto; max-width: 580px;" src="https://lh4.googleusercontent.com/3k1a_PLPLjbsN1jdeJtZ9Tg11PjbL9hlnmMAQ5sp_btWRWE8D5s3UKvXtvYjgqZior1IyWalBnsucObMfuQ5DzbX-O7zl4rpilspU0Z_R5p8ntphFXN6g-okLtkU6vAY6AXiou1D" width="580" height="368" />
Tạo file main.go trong thư mục hello-world với nội dung sau:
<img style="display: block; margin-left: auto; margin-right: auto; max-width: 624px;" src="https://lh6.googleusercontent.com/v16DChGMRSBpBErACvY1mNVvZIZyU22xgAn2FE14K3STI4yP1eLImn_KhOp1wMgohJLjRG7cfoMyl7Y8aw1axms8wOaLjda62hj7soW9ycv_jB52W1MTvMFBqwrUXwPTsoAOd2Y6" width="624" height="264" /> 
<pre class="language-go"><code>package main

import "fmt"

func main(){
	fmt.Println("Hello World")
}</code></pre>
B&acirc;y giờ ch&uacute;ng ta tiến h&agrave;nh code v&agrave; chạy chương tr&igrave;nh Hello-World th&ocirc;i n&agrave;o
D&ugrave;ng c&acirc;u lệnh sau đ&acirc;y để chạy chương tr&igrave;nh.
<code>go run main.go</code>
<img style="display: block; margin-left: auto; margin-right: auto; max-width: 451px;" src="https://lh4.googleusercontent.com/uQKgrDQRPBOQabbBzchz1mY9FG25XzhDncgcQWqH2v_yBpXWNvNc-R5ufaLid4v4ZEZcIqJLq9vDF410_RbJTxyMKMzXbvRb_dBeGM4fj8HbChIStPXHZAWpqdqh8-Bn2Y28LZlU" width="451" height="197" />
<h2 id="mcetoc_1dj9vkpo8p" dir="ltr">T&oacute;m Lại:</h2>
Thư mục l&agrave;m việc sẽ nằm trong thư mục src nằm ở đường dẫn GOPATH do ch&uacute;ng ta đ&atilde; c&agrave;i đặt trước đ&oacute;. C&aacute;c bạn c&oacute; thấy c&aacute;c thư mục như github.com, golang.org kh&ocirc;ng đ&oacute; l&agrave; nơi chứa c&aacute;c thư viện m&agrave; ch&uacute;ng ta sẽ c&agrave;i đặt để sử dụng cho project. C&oacute; thể những b&agrave;i tiếp theo m&igrave;nh sẽ hướng dẫn c&aacute;c bạn c&aacute;i thư viện như thế n&agrave;o nha, nhưng thật ra n&oacute; rất đơn giản th&ocirc;i &agrave; chỉ cần 1 c&acirc;u lệnh l&agrave; n&oacute; sẽ tự động c&agrave;i v&agrave; bỏ v&agrave;o trong c&aacute;c thư mục tương ứng, chỉ cần import để lấy ra sử dụng th&ocirc;i.
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Để biết Golang làm được những gì và nó lợi hại như thế nào thì mình hãy bắt tay vào việc cài đặt Go lên máy và thực hành thôi nào.

hoc golang tu con so 0 - phan 1 cai dat golang tren linux va windows

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