{"id":361133,"date":"2023-06-07T15:38:15","date_gmt":"2023-06-07T14:38:15","guid":{"rendered":"https:\/\/blog.jetbrains.com\/?post_type=go&#038;p=361133"},"modified":"2023-06-07T15:38:20","modified_gmt":"2023-06-07T14:38:20","slug":"database-sql","status":"publish","type":"go","link":"https:\/\/blog.jetbrains.com\/zh-hans\/go\/2023\/06\/07\/database-sql\/","title":{"rendered":"database\/sql \u8f6f\u4ef6\u5305\u4f7f\u7528\u5165\u95e8"},"content":{"rendered":"<p><em>\u672c\u6587\u7531\u5916\u90e8\u8d21\u732e\u8005\u64b0\u5199\u3002<\/em><\/p>\n<div class=\"about-author \">\n<div class=\"about-author__box\">\n<div class=\"row\">\n<div class=\"about-author__box-img\"><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/HaJUx1TCcbRf_1Oip5dFuGWutEo0xcNtnh2y8fdGvVc.png\" alt=\"Damaso Sanoja\" \/><\/div>\n<div class=\"about-author__box-text\">\n<h4>Damaso Sanoja<\/h4>\n<p>Damaso Sanoja \u70ed\u8877\u4e8e\u5e2e\u52a9\u4ed6\u4eba\u901a\u8fc7\u6570\u636e\u9a71\u52a8\u578b\u51b3\u7b56\u8fbe\u6210\u76ee\u6807\u3002 \u8fd9\u4fc3\u4f7f\u4ed6\u64b0\u5199\u4e86\u5927\u91cf\u6587\u7ae0\uff0c\u5185\u5bb9\u8986\u76d6\u6700\u6d41\u884c\u7684\u5173\u7cfb\u6570\u636e\u5e93\u3001\u5ba2\u6237\u5173\u7cfb\u7ba1\u7406\u7cfb\u7edf\u3001\u4f01\u4e1a\u8d44\u6e90\u89c4\u5212\u7cfb\u7edf\u3001\u4e3b\u6570\u636e\u7ba1\u7406\u5de5\u5177\uff0c\u4ee5\u53ca\u6700\u8fd1\u7528\u4e8e\u673a\u5668\u5b66\u4e60\u548c AI \u9879\u76ee\u7684\u6570\u636e\u4ed3\u5e93\u7cfb\u7edf\u3002 \u8fd9\u4efd\u5bf9\u6570\u636e\u7ba1\u7406\u7684\u6267\u7740\u53ef\u4ee5\u5f52\u7ed3\u4e8e\u4ed6\u7684\u7b2c\u4e00\u53f0\u7535\u8111\u662f\u6ca1\u6709\u8f6f\u76d8\u7684 Commodore 64\u3002<\/p>\n<p><a href=\"https:\/\/github.com\/damasosanoja\" target=\"_blank\" rel=\"nofollow noopener\">GitHub<\/a><\/p>\n<p>\u00a0<\/p>\n<\/div>\n<p>\u00a0<\/p>\n<\/div>\n<p>\u00a0<\/p>\n<\/div>\n<p>\u00a0<\/p>\n<\/div>\n<p><code>database\/sql<\/code> \u8f6f\u4ef6\u5305\u662f\u4e00\u4e2a\u6807\u51c6\u5e93\uff0c\u63d0\u4f9b\u4e0e SQL \u6570\u636e\u5e93\u4ea4\u4e92\u7684\u63a5\u53e3\u3002 \u8be5\u8f6f\u4ef6\u5305\u4f7f\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u67e5\u8be2\u548c\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u5e76\u63d0\u4f9b\u53ef\u7528\u4e8e\u5404\u79cd SQL \u6570\u636e\u5e93\u7684\u53ef\u79fb\u690d\u63a5\u53e3\u3002 <code>database\/sql<\/code> \u8f6f\u4ef6\u5305\u901a\u5e38\u4e0e\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u7ed3\u5408\u4f7f\u7528\uff0c\u540e\u8005\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5177\u4f53\u7684\u63a5\u53e3\u5b9e\u73b0\uff0c\u5141\u8bb8\u60a8\u5728\u65b9\u4fbf\u7684\u65b9\u6cd5\u540e\u62bd\u8c61\u6570\u636e\u5e93\u9009\u9879\u3002<\/p>\n<p>\u672c\u5b9e\u8df5\u6559\u7a0b\u5c06\u5c55\u793a\u5982\u4f55\u5f00\u59cb\u4f7f\u7528 <code>database\/sql<\/code> \u8f6f\u4ef6\u5305\uff0c\u6211\u5c06\u6307\u5bfc\u60a8\u5982\u4f55\u5b8c\u6210\u4ee5\u4e0b\u5de5\u4f5c\uff1a<\/p>\n<ul>\n<li>\u521b\u5efa GoLand \u9879\u76ee\u3002<\/li>\n<li>\u8bbe\u7f6e\u6570\u636e\u5e93\u3002<\/li>\n<li>\u4f7f\u7528 Go \u548c GoLand \u5b9e\u73b0\u57fa\u672c\u67e5\u8be2\u548c\u4e8b\u52a1\u3002<\/li>\n<li>\u5982\u4f55\u6784\u9020\u9519\u8bef\u6d88\u606f\u3002<\/li>\n<\/ul>\n<p><!--more--><\/p>\n<h2 class=\"wp-block-heading\"><strong>database\/sql<\/strong><strong> \u8f6f\u4ef6\u5305\u4f7f\u7528<\/strong><strong>\u5165\u95e8<\/strong><\/h2>\n<p>\u4f7f\u7528 Go \u7f16\u5199\u7684\u6570\u636e\u5e93\u5f88\u6613\u4e8e\u4e0a\u624b\u3002 \u4f46\u662f\uff0c\u60a8\u7684\u672c\u5730\u673a\u5668\u5fc5\u987b\u6ee1\u8db3\u67d0\u4e9b\u5148\u51b3\u6761\u4ef6\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>\u524d\u63d0<\/strong><\/h3>\n<p>\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u60a8\u5e94\u8be5\u786e\u4fdd\u5df2\u7ecf\u5b89\u88c5\u4e86\u6240\u6709\u5fc5\u8981\u5de5\u5177\u5e76\u62e5\u6709\u5b8c\u6210\u672c\u6559\u7a0b\u6240\u9700\u7684\u9002\u5f53\u8d44\u6e90\uff1a<\/p>\n<ul>\n<li>Go\uff1a\u5982\u679c\u8fd8\u6ca1\u6709\uff0c\u8bf7\u5728\u672c\u5730\u673a\u5668\u4e0a<a href=\"https:\/\/go.dev\/doc\/install\" target=\"_blank\" rel=\"noreferrer noopener\">\u4e0b\u8f7d\u5e76\u5b89\u88c5 Go<\/a>\u3002<\/li>\n<li>MySQL \u670d\u52a1\u5668\uff1aGo <a href=\"https:\/\/dev.mysql.com\/downloads\/mysql\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">\u652f\u6301\u6d41\u884c\u7684\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf<\/a>\uff0c\u4f8b\u5982 MySQL\u3001Oracle\u3001Postgres\u3001SQL Server\u3001SQLite \u7b49\u3002 \u4f46\u662f\uff0c\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528 MySQL\u3002 \u5728<a href=\"https:\/\/dev.mysql.com\/downloads\/mysql\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">\u8fd9\u91cc<\/a>\u4e0b\u8f7d\u9002\u7528\u4e8e\u60a8\u7684\u64cd\u4f5c\u7cfb\u7edf\u7684 MySQL Community Server\u3002 \u6709\u5173\u8bbe\u7f6e MySQL \u7684\u8bf4\u660e\uff0c\u8bf7\u53c2\u9605 <a href=\"https:\/\/dev.mysql.com\/doc\/mysql-getting-started\/en\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">MySQL \u4f7f\u7528\u5165\u95e8<\/a>\u3002\n<ul>\n<li><strong>\u91cd\u8981\u8bf4\u660e<\/strong>\uff1a\u6839\u636e\u60a8\u9009\u62e9\u7684\u5b89\u88c5\u65b9\u6cd5\uff0cMySQL \u670d\u52a1\u5668\u53ef\u80fd\u4f1a\u81ea\u52a8\u542f\u52a8\u5e76<a href=\"https:\/\/stackoverflow.com\/questions\/66339264\/why-is-mysql-running-when-i-am-not-using-it#:~:text=MySql%20is%20a%20server%2C%20running,run%20and%20stop%20it%20yourself\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">\u5728\u540e\u53f0\u8fd0\u884c\uff0c\u76f4\u5230\u60a8\u5c06\u5176\u505c\u6b62<\/a>\u3002 \u540c\u6837\uff0c\u5b89\u88c5\u670d\u52a1\u540e\uff0cMySQL \u670d\u52a1\u53ef\u80fd\u9700\u8981\u624b\u52a8\u542f\u52a8\u3002<\/li>\n<\/ul>\n<\/li>\n<li>MySQL \u6570\u636e\u5e93\uff1a\u60a8\u9700\u8981\u4e00\u4e2a\u53ef\u4ee5\u4f7f\u7528\u7684\u7a7a\u6570\u636e\u5e93\u3002 \u672c\u6559\u7a0b\u5c06\u6570\u636e\u5e93\u79f0\u4e3a <code>recordings<\/code>\uff0c\u4f46\u60a8\u53ef\u4ee5\u4f7f\u7528\u4efb\u610f\u540d\u79f0\u3002 \u60a8\u53ef\u4ee5\u5728<a href=\"https:\/\/dev.mysql.com\/doc\/refman\/8.0\/en\/creating-database.html\" target=\"_blank\" rel=\"noopener\">\u8fd9<\/a><a href=\"https:\/\/dev.mysql.com\/doc\/refman\/8.0\/en\/creating-database.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">\u91cc<\/a>\u627e\u5230\u6709\u5173\u5728 MySQL \u4e2d\u521b\u5efa\u6570\u636e\u5e93\u7684\u4fe1\u606f\u3002<\/li>\n<li>GoLand IDE\uff1a\u60a8\u53ef\u4ee5\u5728<a href=\"https:\/\/www.jetbrains.com.cn\/go\/download\/\" target=\"_blank\" rel=\"noopener\">\u8fd9\u91cc<\/a>\u4e0b\u8f7d\u9002\u7528\u4e8e macOS\u3001Linux \u6216 Windows \u7684 GoLand\u3002<\/li>\n<li>\u6559\u7a0b\u4ed3\u5e93\uff1a\u60a8\u53ef\u4ee5\u5c06\u5305\u542b\u6559\u7a0b\u6240\u7528\u4ee3\u7801\u7684<a href=\"https:\/\/github.com\/JetBrains\/go-code-samples\/tree\/main\/database-sql-package-goproject\" target=\"_blank\" rel=\"noreferrer noopener\">\u4ed3\u5e93<\/a>\u514b\u9686\u5230\u9002\u5f53\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<p>\u6ee1\u8db3\u5148\u51b3\u6761\u4ef6\u540e\uff0c\u60a8\u5c31\u53ef\u4ee5\u542f\u52a8 GoLand \u5e76\u5f00\u59cb\u60a8\u7684\u7b2c\u4e00\u4e2a\u9879\u76ee\u4e86\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>\u5728 GoLand \u4e2d\u521b\u5efa\u65b0\u9879\u76ee<\/strong><\/h3>\n<p>\u7b2c\u4e00\u6b65\u662f\u5728 GoLand \u4e2d\u521b\u5efa\u65b0\u9879\u76ee\u3002 \u4e3a\u6b64\uff0c\u5728 <em>Welcome<\/em>\uff08\u6b22\u8fce\uff09\u5c4f\u5e55\u4e0a\u6309 <em>New Project<\/em>\uff08\u65b0\u5efa\u9879\u76ee\uff09\u6309\u94ae\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327674\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/1-2.png\" alt=\"\" width=\"1529\" height=\"1143\" \/><\/figure>\n<p>\u63a5\u4e0b\u6765\uff0c\u5c4f\u5e55\u5c06\u7c7b\u4f3c\u4e8e\uff1a<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327663\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/2-1.png\" alt=\"\" width=\"1529\" height=\"1143\" \/><\/figure>\n<p>\u6ce8\u610f\u5c4f\u5e55\u4e0a\u7684\u51e0\u4e2a\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li><em>Location<\/em>\uff08\u4f4d\u7f6e\uff09\u3002 \u4f7f\u7528\u6b64\u5b57\u6bb5\u4e3a\u9879\u76ee\u9009\u62e9\u5408\u9002\u7684\u4f4d\u7f6e\u3002 \u4f46\u662f\uff0c\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u60a8\u5fc5\u987b\u9009\u62e9\u4ed3\u5e93\u7684\u4f4d\u7f6e\u3002<\/li>\n<li><em>GOROOT<\/em>\u3002 \u5982\u679c\u60a8\u5df2\u5c06 Go \u5b89\u88c5\u5728\u64cd\u4f5c\u7cfb\u7edf\u7684\u9ed8\u8ba4\u4f4d\u7f6e\uff0c\u5219\u6b64\u5b57\u6bb5\u4f1a\u88ab\u9884\u586b\u3002 \u5982\u679c\u6ca1\u6709\uff0c\u8bf7\u9009\u62e9\u6b63\u786e\u7684 Go \u6839\u4f4d\u7f6e\u3002<\/li>\n<li><em>Environment<\/em>\uff08\u73af\u5883\uff09\u3002 \u8fd9\u662f\u4e00\u4e2a\u53ef\u9009\u5b57\u6bb5\uff0c\u5141\u8bb8\u60a8\u58f0\u660e\u73af\u5883\u53d8\u91cf\uff0c\u4f8b\u5982 <a href=\"https:\/\/go.dev\/ref\/mod#goproxy-protocol\" target=\"_blank\" rel=\"noreferrer noopener\">GOPROXY<\/a> \u6216 <a href=\"https:\/\/go.dev\/ref\/mod\" target=\"_blank\" rel=\"noreferrer noopener\">GOPRIVATE<\/a>\u3002 \u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528\u6b64\u5b57\u6bb5\u58f0\u660e\u540e\u7eed\u8fde\u63a5\u6570\u636e\u5e93\u6240\u9700\u7684 MySQL \u73af\u5883\u53d8\u91cf <code>DBUSER<\/code> \u548c <code>DBPASS<\/code>\u3002 \u4e3a\u6b64\uff0c\u60a8\u5fc5\u987b\u8f93\u5165\u76f8\u5e94\u7684\u952e\u503c\u5bf9\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/li>\n<\/ul>\n<figure class=\"wp-block-video\"><video src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/GoLand\/tutorials\/sql-get-started\/3.mp4\" controls=\"controls\" width=\"300\" height=\"150\"><\/video><\/figure>\n<p>\u52a1\u5fc5\u8f93\u5165\u6b63\u786e\u7684\u503c\u3002 \u672c\u6559\u7a0b\u4f7f\u7528\u4ee5\u4e0b\u503c\uff1a<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327685\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/4-1.png\" alt=\"\" width=\"1401\" height=\"1139\" \/><\/figure>\n<p>\u521b\u5efa\u9879\u76ee\u540e\uff0cGoLand \u4f1a\u81ea\u52a8\u521b\u5efa <code>go.mod<\/code> \u6587\u4ef6\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>\u914d\u7f6e MySQL \u6570\u636e\u6e90<\/strong><\/h3>\n<p>\u5728 GoLand \u4e2d\u7ba1\u7406\u6570\u636e\u5e93\u975e\u5e38\u7b80\u5355\uff0c\u60a8\u53ea\u9700\u8981\u786e\u4fdd\u6570\u636e\u6e90\u914d\u7f6e\u6b63\u786e\u3002<\/p>\n<p>\u8981\u914d\u7f6e\u6570\u636e\u6e90\uff0c\u9996\u5148\uff0c\u70b9\u51fb GoLand \u53f3\u4fa7\u83dc\u5355\u4e2d\u7684\u6570\u636e\u5e93\u56fe\u6807\uff0c\u7136\u540e\u70b9\u51fb\u52a0\u53f7 (<code>+<\/code>) \u6216\u914d\u7f6e\u56fe\u6807\uff0c\u63a5\u7740\u4ece\u53ef\u7528\u6570\u636e\u5e93\u5217\u8868\u4e2d\u9009\u62e9 MySQL\u3002<\/p>\n<figure class=\"wp-block-video\"><video src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/GoLand\/tutorials\/sql-get-started\/5.mp4\" controls=\"controls\" width=\"300\" height=\"150\"><\/video><\/figure>\n<p>\u5728\u4e0b\u4e00\u4e2a\u5c4f\u5e55\u4e0a\uff0c\u8f93\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801\u4ee5\u8fde\u63a5\u5230 MySQL\u3002 \u63a5\u4e0b\u6765\uff0c\u8f93\u5165\u6570\u636e\u5e93\u7684\u540d\u79f0\uff0c\u7136\u540e\u70b9\u51fb <em>Test Connection<\/em>\uff08\u6d4b\u8bd5\u8fde\u63a5\uff09\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327436\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/image-84.png\" alt=\"\" width=\"1600\" height=\"1043\" \/><\/figure>\n<p>\u5982\u679c\u60a8\u4e4b\u524d\u6ca1\u6709\u914d\u7f6e\u8fc7 MySQL\uff0c\u60a8\u53ef\u80fd\u4f1a\u6536\u5230\u4e00\u6761\u9519\u8bef\u6d88\u606f\u3002 \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u70b9\u51fb <em>Download Driver Files<\/em>\uff08\u4e0b\u8f7d\u9a71\u52a8\u7a0b\u5e8f\u6587\u4ef6\uff09\uff0cGoLand \u5c06\u5b8c\u6210\u5176\u4f59\u7684\u5de5\u4f5c\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327449\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/image-85.png\" alt=\"\" width=\"1600\" height=\"1026\" \/><\/figure>\n<p>\u6210\u529f\u6d4b\u8bd5\u8fde\u63a5\u540e\uff0c\u70b9\u51fb <em>OK<\/em>\uff08\u786e\u5b9a\uff09\u6309\u94ae\u7ee7\u7eed\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327460\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/image-86.png\" alt=\"\" width=\"1600\" height=\"1043\" \/><\/figure>\n<p>\u5728\u4e0b\u4e00\u4e2a\u5c4f\u5e55\u4e0a\uff0c\u5c06\u81ea\u52a8\u51fa\u73b0 MySQL \u63a7\u5236\u53f0\uff0c\u4ee5\u53ca\u5efa\u8bae\u914d\u7f6e SQL \u65b9\u8a00\u7684\u901a\u77e5\u3002 \u60a8\u53ef\u4ee5\u5c06 MySQL \u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u65b9\u8a00\uff0c\u4e5f\u53ef\u4ee5\u70b9\u51fb <em>configure<\/em>\uff08\u914d\u7f6e\uff09\u4ee5\u9009\u62e9\u5176\u4ed6\u65b9\u8a00\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327471\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/image-87.png\" alt=\"\" width=\"1600\" height=\"1043\" \/><\/figure>\n<p>\u73b0\u5728\uff0c\u6570\u636e\u6e90\u5df2\u8bbe\u7f6e\u5b8c\u6210\uff0c\u60a8\u53ef\u4ee5\u4ece MySQL \u63a7\u5236\u53f0\u8fd0\u884c\u547d\u4ee4\u3002 \u4f46\u662f\uff0c\u5982\u679c\u60a8\u6709 SQL \u811a\u672c\uff08\u5982\u672c\u6559\u7a0b\u4e2d\u6240\u793a\uff09\uff0c\u5219\u4e0d\u5fc5\u8fd9\u6837\u505a\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>\u4f7f\u7528 SQL \u811a\u672c\u8bbe\u7f6e\u6570\u636e\u5e93\u8868<\/strong><\/h3>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528 GoLand \u8f7b\u677e\u8fd0\u884c SQL \u811a\u672c\u3002 \u4e3a\u6b64\uff0c\u53ea\u9700\u53f3\u952e\u70b9\u51fb\u76f8\u5e94\u7684\u6587\u4ef6\u5e76\u4ece\u4e0b\u62c9\u5217\u8868\u4e2d\u9009\u62e9 <em>Run<\/em>\uff08\u8fd0\u884c\uff09\u3002 \u5c1d\u8bd5\u8fd0\u884c <code>table-01.sql<\/code> \u811a\u672c\u3002 \u6267\u884c\u811a\u672c\u4e4b\u524d\uff0c\u60a8\u5fc5\u987b\u4e3a\u5176\u6307\u5b9a\u4e00\u4e2a\u6570\u636e\u76ee\u6807\uff0c\u5728\u672c\u4f8b\u4e2d\u4e3a <code>recordings<\/code> \u6570\u636e\u5e93\u3002 \u6309\u4e0b <em>Run<\/em>\uff08\u8fd0\u884c\uff09\u6309\u94ae\u65f6\uff0c\u811a\u672c\u7684\u8f93\u51fa\u5c06\u81ea\u52a8\u663e\u793a\u3002<\/p>\n<figure class=\"wp-block-video\"><video src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/GoLand\/tutorials\/sql-get-started\/10.mp4\" controls=\"controls\" width=\"300\" height=\"150\"><\/video><\/figure>\n<p>\u663e\u793a\u7684\u811a\u672c\u5e94\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">DROP TABLE IF EXISTS album;\nCREATE TABLE album (\n                       id         INT AUTO_INCREMENT NOT NULL,\n                       title      VARCHAR(128) NOT NULL,\n                       artist     VARCHAR(255) NOT NULL,\n                       price      DECIMAL(5,2) NOT NULL,\n                       quantity   INT UNSIGNED,\n                       PRIMARY KEY (`id`)\n);\n\n\nINSERT INTO album\n(title, artist, price, quantity)\nVALUES\n    ('Blue Train', 'John Coltrane', 56.99, 5),\n    ('Giant Steps', 'John Coltrane', 63.99, 62),\n    ('Jeru', 'Gerry Mulligan', 17.99, 0),\n    ('Sarah Vaughan', 'Sarah Vaughan', 34.98, 127);<\/pre>\n<p>\u5728\u4e0a\u9762\u7684 SQL \u811a\u672c\u4e2d\uff1a<\/p>\n<ul>\n<li>\u7b2c\u4e00\u884c\u4f1a\u5220\u9664\u4e13\u8f91\u8868\u3002 \u8fd9\u4f7f\u811a\u672c\u66f4\u5bb9\u6613\u6839\u636e\u9700\u8981\u591a\u6b21\u8fd0\u884c\uff0c\u540c\u65f6\u907f\u514d\u4e86\u91cd\u65b0\u521b\u5efa\u73b0\u6709\u8868\u65f6\u53ef\u80fd\u51fa\u73b0\u7684\u9519\u8bef\u3002<\/li>\n<li>\u7b2c 2 \u884c\u5230\u7b2c 7 \u884c\u4e0e\u4e13\u8f91\u8868\u4ee5\u53ca\u76f8\u5e94\u5b57\u6bb5\u7684\u521b\u5efa\u6709\u5173\u3002<\/li>\n<li>\u7b2c 8 \u884c\u5c06 <code>id<\/code> \u8bbe\u4e3a\u4e3b\u952e\u3002<\/li>\n<li>\u811a\u672c\u7684\u5176\u4f59\u90e8\u5206\u4f7f\u7528 <code>INSERT<\/code> \u8bed\u53e5\u4ee5\u865a\u62df\u6570\u636e\u586b\u5145\u8868\u3002<\/li>\n<\/ul>\n<p>\u63a5\u4e0b\u6765\uff0c\u91cd\u590d\u8fd9\u4e00\u8fc7\u7a0b\u6765\u8fd0\u884c\u7b2c\u4e8c\u4e2a SQL \u811a\u672c <code>table-02.sql<\/code>\u3002<\/p>\n<p>\u4e0b\u9762\u7684\u4ee3\u7801\u5bf9\u5e94\u4e8e\u7b2c\u4e8c\u4e2a SQL \u811a\u672c\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">DROP TABLE IF EXISTS album_trx;\nCREATE TABLE album_trx (\n                             trx_id    INT AUTO_INCREMENT NOT NULL,\n                             trx_check     INT UNSIGNED,\n                             PRIMARY KEY (`trx_id`)\n);\n<\/pre>\n<p>\u6b63\u5982\u60a8\u6240\u770b\u5230\u7684\uff0c\u8fd9\u662f\u4e00\u4e2a\u66f4\u7b80\u5355\u7684\u811a\u672c\uff0c\u5b83\u521b\u5efa\u7684\u8868\u53ea\u6709 2 \u4e2a\u5b57\u6bb5\u3002 \u60a8\u5c06\u5728\u4e8b\u52a1\u90e8\u5206\u4f7f\u7528\u6b64\u8868\u3002<\/p>\n<p>\u81f3\u6b64\uff0c\u60a8\u5df2\u7ecf\u5c06 GoLand \u914d\u7f6e\u4e3a\u4e0e\u672c\u5730 MySQL \u670d\u52a1\u5173\u8054\uff0c\u56e0\u6b64\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 SQL \u811a\u672c\u8f7b\u677e\u521b\u5efa\u548c\u9884\u586b\u5145\u8868\u3002 \u540c\u6837\uff0c\u5728\u4e0b\u4e00\u90e8\u5206\u4e2d\uff0c\u60a8\u5c06\u4e86\u89e3\u5728 GoLand \u4e2d\u4f7f\u7528 <code>database\/sql<\/code> \u8f6f\u4ef6\u5305\u6709\u591a\u8f7b\u677e\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>\u4f7f\u7528 database\/sql \u8fde\u63a5\u5230\u6570\u636e\u5e93<\/strong><\/h3>\n<p><code>database\/sql<\/code> \u8f6f\u4ef6\u5305\u4f7f\u5f97\u4f7f\u7528 Go \u7ba1\u7406\u6570\u636e\u5e93\u53d8\u5f97\u975e\u5e38\u7b80\u5355\uff0c\u5982 <code>connection.go<\/code> \u4ee3\u7801\u6240\u793a\uff1a<\/p>\n<div>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">package main\nimport (\n    \"database\/sql\"\n    \"fmt\"\n    \"github.com\/go-sql-driver\/mysql\"\n    \"log\"\n    \"os\"\n)\nvar db *sql.DB\ntype Album struct {\n    ID       int64\n    Title    string\n    Artist   string\n    Price    float32\n    Quantity int64\n}\nfunc main() {\n    \/\/ Capture connection properties.\n    cfg := mysql.Config{\n        User:   os.Getenv(\"DBUSER\"),\n        Passwd: os.Getenv(\"DBPASS\"),\n        Net:    \"tcp\",\n        Addr:   \"127.0.0.1:3306\",\n        DBName: \"recordings\",\n    }\n    \/\/ Get a database handle.\n    var err error\n    db, err = sql.Open(\"mysql\", cfg.FormatDSN())\n    if err != nil {\n        log.Fatal(err)\n    }\n    pingErr := db.Ping()\n    if pingErr != nil {\n        log.Fatal(pingErr)\n    }\n    fmt.Println(\"Connected!\")\n}<\/pre>\n<\/div>\n<p>\u6211\u4eec\u6765\u68c0\u67e5\u4ee3\u7801\u3002 \u9996\u5148\uff0c\u5bfc\u5165\u5fc5\u8981\u7684\u8f6f\u4ef6\u5305\uff1a<\/p>\n<ul>\n<li>\u5982\u524d\u6240\u8ff0\uff0c<a href=\"https:\/\/pkg.go.dev\/database\/sql\" target=\"_blank\" rel=\"noreferrer noopener\">database\/sql<\/a> <em>\u63d0\u4f9b\u56f4\u7ed5 SQL\uff08\u6216\u7c7b SQL\uff09\u6570\u636e\u5e93\u7684\u6cdb\u578b\u63a5\u53e3<\/em>\u3002<\/li>\n<li><a href=\"https:\/\/pkg.go.dev\/fmt\" target=\"_blank\" rel=\"noreferrer noopener\">fmt<\/a> \u2013 <em>\u4f7f\u7528\u7c7b\u4f3c\u4e8e C \u8bed\u8a00\u7684 printf \u548c scanf \u7684\u51fd\u6570\u5b9e\u73b0\u683c\u5f0f\u5316 I\/O <\/em>\u7684\u8f6f\u4ef6\u5305\u3002<\/li>\n<li><a href=\"https:\/\/pkg.go.dev\/github.com\/go-sql-driver\/mysql\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">github.com\/go-sql-driver\/mysql<\/a> \u2013 MySQL \u7684 database\/sql \u7684\u5b9e\u73b0\uff08\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\uff09\u3002<\/li>\n<li><a href=\"https:\/\/pkg.go.dev\/log\" target=\"_blank\" rel=\"noreferrer noopener\">log<\/a> \u2013 \u63d0\u4f9b\u65e5\u5fd7\u8bb0\u5f55\u529f\u80fd\u7684\u6807\u51c6\u5e93\u3002<\/li>\n<li><a href=\"https:\/\/pkg.go.dev\/os\" target=\"_blank\" rel=\"noreferrer noopener\">os<\/a> \u2013 <em>\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u529f\u80fd\u63d0\u4f9b\u72ec\u7acb\u4e8e\u5e73\u53f0\u7684\u63a5\u53e3\u7684\u8f6f\u4ef6\u5305\u3002<\/em><\/li>\n<\/ul>\n<p><code>*var db sql.DB<\/code> \u2013 \u8fd9\u4e00\u884c\u662f\u952e\u3002 <code>db<\/code> \u53d8\u91cf\u4f7f\u7528\u5145\u5f53\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u7684 <code>sql.DB<\/code> \u7ed3\u6784\u58f0\u660e\u3002 \u5982\u524d\u8a00\u4e2d\u6240\u8ff0\uff0c\u8fd9\u4f7f\u60a8\u53ef\u4ee5\u65b9\u4fbf\u5730\u62bd\u8c61\u6570\u636e\u5e93\u9009\u9879\u3002<\/p>\n<p><code>type Album struct {...}<\/code> \u2013 \u8fd9\u662f <code>Album<\/code> \u8868\u7ed3\u6784\u7684\u5b9a\u4e49\uff0c\u5b83\u5c06\u4fdd\u5b58\u6570\u636e\u5e93\u7684\u884c\u6570\u636e\u3002<\/p>\n<p><code>func main()<\/code> \u2013 \u6b64\u51fd\u6570\u5229\u7528\u4e0a\u65b9\u58f0\u660e\u7684 <code>sql.DB<\/code> \u7ed3\u6784\u4ee5\u53ca <code>database\/sql<\/code> \u8f6f\u4ef6\u5305\u548c MySQL \u9a71\u52a8\u7a0b\u5e8f\u3002<\/p>\n<p>\u8fde\u63a5\u6570\u636e\u4f7f\u7528 DSN\uff08\u6570\u636e\u6e90\u540d\u79f0\uff09\u683c\u5f0f\u6355\u83b7\u3002 \u8bed\u6cd5\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">db, err := sql.Open(\"mysql\", \"user:password@\/dbname\")<\/pre>\n<p>\u4e3a\u7b80\u5316\u4ee3\u7801\uff0c\u58f0\u660e\u6536\u96c6\u8fde\u63a5\u5c5e\u6027\u7684 <code>cfg<\/code> \u53d8\u91cf\uff08\u5305\u62ec\u4e4b\u524d\u5728 GoLand \u4e2d\u914d\u7f6e\u7684\u73af\u5883\uff09\uff0c\u540e\u7eed\u5982\u4e0a\u6240\u793a\u5c06\u5176\u7528\u4e8e\u4f7f\u7528 DSN \u683c\u5f0f\u83b7\u53d6\u6570\u636e\u5e93\u53e5\u67c4\u3002 <code>func main<\/code> \u7684\u6700\u540e\u4e00\u90e8\u5206\u5904\u7406\u53ef\u80fd\u7684\u9519\u8bef\uff0c\u6211\u4eec\u5c06\u5728\u540e\u9762\u7684\u90e8\u5206\u8ba8\u8bba\u3002<\/p>\n<p>\u8fd0\u884c\u6b64\u6587\u4ef6\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u70b9\u51fb\u53f3\u952e\u5e76\u4ece\u4e0b\u62c9\u5217\u8868\u4e2d\u9009\u62e9 <em>Run &#8216;go build connection.go&#8217;<\/em>\uff08\u8fd0\u884c &#8216;go build connection.go&#8217;\uff09\u3002<\/p>\n<p>\u4e0e\u9884\u671f\u76f8\u540c\uff0c\u8f93\u51fa\u663e\u793a\u6d88\u606f <code>Connected!<\/code>\uff08\u5df2\u8fde\u63a5\uff01\uff09\u3002<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327698\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/connection-2800x1598.png\" alt=\"\" width=\"2800\" height=\"1598\" \/><\/figure>\n<p>\u00a0<\/p>\n<p>\u73b0\u5728\uff0c\u60a8\u5df2\u8fde\u63a5\u5230\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u5f00\u59cb\u6267\u884c\u63d2\u5165\u65b0\u884c\u6216\u67e5\u8be2\u884c\u7b49\u64cd\u4f5c\u4e86\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>\u63d2\u5165\u65b0\u884c<\/strong><\/h3>\n<p>\u6211\u4eec\u6765\u68c0\u67e5 <code>insert.go<\/code> \u7684\u4ee3\u7801\uff0c\u5b83\u63d2\u5165\u4e86\u4e00\u4e2a\u65b0\u884c\uff1a<\/p>\n<div>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">package main\nimport (\n    \"database\/sql\"\n    \"fmt\"\n    \"github.com\/go-sql-driver\/mysql\"\n    \"log\"\n    \"os\"\n)\nvar db *sql.DB\ntype Album struct {\n    ID       int64\n    Title    string\n    Artist   string\n    Price    float32\n    Quantity int64\n}\nfunc main() {\n    \/\/ Capture connection properties.\n    cfg := mysql.Config{\n        User:   os.Getenv(\"DBUSER\"),\n        Passwd: os.Getenv(\"DBPASS\"),\n        Net:    \"tcp\",\n        Addr:   \"127.0.0.1:3306\",\n        DBName: \"recordings\",\n    }\n    \/\/ Get a database handle.\n    var err error\n    db, err = sql.Open(\"mysql\", cfg.FormatDSN())\n    if err != nil {\n        log.Fatal(err)\n    }\n    pingErr := db.Ping()\n    if pingErr != nil {\n        log.Fatal(pingErr)\n    }\n    fmt.Println(\"Connected!\")\n    albID, err := addAlbum(Album{\n        Title:    \"The Modern Sound of Betty Carter\",\n        Artist:   \"Betty Carter\",\n        Price:    49.99,\n        Quantity: 10,\n    })\n    if err != nil {\n        log.Fatal(err)\n    }\n    fmt.Printf(\"ID of added album: %vn\", albID)\n}\n\/\/ addAlbum adds the specified album to the database,\n\/\/ returning the album ID of the new entry\nfunc addAlbum(alb Album) (int64, error) {\n    result, err := db.Exec(\"INSERT INTO album (title, artist, price, quantity) VALUES (?, ?, ?, ?)\", alb.Title, alb.Artist, alb.Price, alb.Quantity)\n    if err != nil {\n        return 0, fmt.Errorf(\"addAlbum: %v\", err)\n    }\n    id, err := result.LastInsertId()\n    if err != nil {\n        return 0, fmt.Errorf(\"addAlbum: %v\", err)\n    }\n    return id, nil\n}\n<\/pre>\n<\/div>\n<p>\u6b64\u4ee3\u7801\u5757\u4e0e\u524d\u9762\u7684\u4ee3\u7801\u5757\u975e\u5e38\u76f8\u4f3c\uff0c\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\u5b83\u5411 <code>album<\/code> \u8868\u63d2\u5165\u4e86\u4e00\u4e2a\u65b0\u884c\u3002 \u53f3\u952e\u70b9\u51fb\u6587\u4ef6\u5e76\u9009\u62e9 <em>Run &#8216;go build insert.go&#8217;<\/em>\uff08\u8fd0\u884c &#8216;go build insert.go&#8217;\uff09\u8fd0\u884c\u4ee3\u7801\u3002<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327709\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/insert-2800x1598.png\" alt=\"\" width=\"2800\" height=\"1598\" \/><\/figure>\n<p>\u6b63\u5982\u9884\u671f\u7684\u90a3\u6837\uff0c\u8f93\u51fa\u4e3a\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"raw\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Connected!\nID of added album: 5<\/pre>\n<p>\u6b63\u5982\u60a8\u6240\u770b\u5230\u7684\uff0c\u4f7f\u7528 <code>database\/sql<\/code> \u7ba1\u7406\u6570\u636e\u5e93\u8fde\u63a5\u975e\u5e38\u7b80\u5355\u3002 \u5b9a\u4e49\u4e00\u4e2a\u6570\u636e\u5e93\u53e5\u67c4\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u4f7f\u7528 SQL \u547d\u4ee4\u3001\u51fd\u6570\u548c\u6761\u4ef6\u8bed\u53e5\u6765\u7ba1\u7406\u6570\u636e\u5e93\u3002 \u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u4e00\u884c\u6765\u5de9\u56fa\u6240\u5b66\u7684\u77e5\u8bc6\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>\u67e5\u8be2\u5355\u884c<\/strong><\/h3>\n<p>\u548c\u524d\u9762\u4e00\u6837\uff0c\u6211\u4eec\u5148\u68c0\u67e5\u67e5\u8be2\u5355\u884c\u7684 <code>single.go<\/code> \u7684\u4ee3\u7801\uff1a<\/p>\n<div>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">package main\nimport (\n    \"database\/sql\"\n    \"fmt\"\n    \"github.com\/go-sql-driver\/mysql\"\n    \"log\"\n    \"os\"\n)\nvar db *sql.DB\ntype Album struct {\n    ID       int64\n    Title    string\n    Artist   string\n    Price    float32\n    Quantity int64\n}\nfunc main() {\n    \/\/ Capture connection properties.\n    cfg := mysql.Config{\n        User:   os.Getenv(\"DBUSER\"),\n        Passwd: os.Getenv(\"DBPASS\"),\n        Net:    \"tcp\",\n        Addr:   \"127.0.0.1:3306\",\n        DBName: \"recordings\",\n    }\n    \/\/ Get a database handle.\n    var err error\n    db, err = sql.Open(\"mysql\", cfg.FormatDSN())\n    if err != nil {\n        log.Fatal(err)\n    }\n    pingErr := db.Ping()\n    if pingErr != nil {\n        log.Fatal(pingErr)\n    }\n    fmt.Println(\"Connected!\")\n    \/\/ Hard-code ID 2 here to test the query.\n    alb, err := albumByID(2)\n    if err != nil {\n        log.Fatal(err)\n    }\n    fmt.Printf(\"Album found: %vn\", alb)\n}\n\/\/ albumByID queries for the album with the specified ID.\nfunc albumByID(id int64) (Album, error) {\n    \/\/ An album to hold data from the returned row.\n    var alb Album\n    row := db.QueryRow(\"SELECT * FROM album WHERE id = ?\", id)\n    if err := row.Scan(&amp;alb.ID, &amp;alb.Title, &amp;alb.Artist, &amp;alb.Price, &amp;alb.Quantity); err != nil {\n        if err == sql.ErrNoRows {\n            return alb, fmt.Errorf(\"albumsById %d: no such album\", id)\n        }\n        return alb, fmt.Errorf(\"albumsById %d: %v\", id, err)\n    }\n    return alb, nil\n}<\/pre>\n<\/div>\n<p>\u8fd9\u91cc\u6709\u51e0\u4e2a\u4ee3\u7801\u5757\u503c\u5f97\u5f3a\u8c03\u3002<\/p>\n<p>\u9996\u5148\uff0c\u7b2c 44 \u884c\u4ee5\u6ce8\u91ca <em><code>\/\/ Hard-code ID 2 here to test the query.<\/code><\/em> \u4f5c\u4e3a\u5176\u6807\u9898\uff0c\u8c03\u7528 <code>albumByID(2)<\/code> \u67e5\u8be2\u54ea\u4e2a\u4e13\u8f91\u5bf9\u5e94 ID \u53f7 2\u3002<\/p>\n<p>\u7b2c\u4e8c\u4e2a\u5757\u5bf9\u5e94\u4e8e <code>albumByID<\/code> \u51fd\u6570\u3002 \u6b64\u51fd\u6570\u4f7f\u7528 <code>SELECT * FROM album WHERE id = ?<\/code> \u67e5\u8be2\u5177\u6709\u7279\u5b9a ID \u7684\u4e13\u8f91\u7684\u6570\u636e\u3002 \u5982\u679c ID \u4e0d\u5b58\u5728\uff0c\u5219\u4f7f\u7528 if \u6761\u4ef6\u663e\u793a\u9519\u8bef\u6d88\u606f\u3002<\/p>\n<p>\u8fd0\u884c\u4ee3\u7801\u4ee5\u9a8c\u8bc1\u4e00\u5207\u90fd\u6309\u9884\u671f\u8fd0\u4f5c\u3002<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327720\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/single-row-2800x1598.png\" alt=\"\" width=\"2800\" height=\"1598\" \/><\/figure>\n<p>\u8f93\u51fa\u5e94\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"raw\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Connected!\nAlbum found: {2 Giant Steps John Coltrane 63.99 62}<\/pre>\n<h3 class=\"wp-block-heading\"><strong>\u67e5\u8be2\u591a\u884c<\/strong><\/h3>\n<p>\u8981\u4e86\u89e3\u5982\u4f55\u4f7f\u7528 <code>database\/sql<\/code> \u5728 Go \u4e2d\u67e5\u8be2\u591a\u884c\uff0c\u60a8\u5c06\u4f7f\u7528 <code>multiple.go<\/code>\u3002 \u67e5\u8be2\u591a\u884c\u80cc\u540e\u7684\u903b\u8f91\u7c7b\u4f3c\u4e8e\u67e5\u8be2\u5355\u884c\u3002<\/p>\n<p><code>albumsByArtist<\/code> \u51fd\u6570\u4f1a\u67e5\u627e\u5176\u827a\u672f\u5bb6\u5728 main \u51fd\u6570\u4e2d\u786c\u7f16\u7801\u7684\u6240\u6709\u4e13\u8f91\u3002 \u7136\u540e\uff0c\u5982\u679c\u6709\u5339\u914d\u9879\uff0c\u5b83\u4f1a\u5728\u8f93\u51fa\u4e2d\u6253\u5370\uff0c\u5982\u679c\u6ca1\u6709\uff0c\u5b83\u4f1a\u6253\u5370\u4e00\u4e2a\u7a7a\u5b57\u7b26\u4e32\u3002<\/p>\n<p>\u53f3\u952e\u70b9\u51fb\u6587\u4ef6\u5e76\u9009\u62e9 <em>Run &#8216;go build multiple.go&#8217;<\/em>\uff08\u8fd0\u884c &#8216;go build multiple.go&#8217;\uff09\u8fd0\u884c <code>multiple.go<\/code>\u3002<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327731\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/multiple-rows-2800x1598.png\" alt=\"\" width=\"2800\" height=\"1598\" \/><\/figure>\n<p>\u8f93\u51fa\u5e94\u4e3a\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"raw\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Connected!\nAlbums found: [{1 Blue Train John Coltrane 56.99 5} {2 Giant Steps John Coltrane 63.99 62}]<\/pre>\n<p>\u60a8\u5df2\u7ecf\u5b66\u4f1a\u4e86\u5982\u4f55\u6267\u884c\u5355\u884c\u548c\u591a\u884c\u67e5\u8be2\uff0c\u73b0\u5728\u8be5\u6267\u884c\u66f4\u9ad8\u7ea7\u7684\u64cd\u4f5c\uff08\u4f8b\u5982\u9884\u5907\u8bed\u53e5\uff09\u4e86\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>\u4f7f\u7528\u9884\u5907\u8bed\u53e5<\/strong><\/h3>\n<p>\u6839\u636e Go \u6587\u6863\uff1a<\/p>\n<p><em>\u201c\u9884\u5907\u8bed\u53e5\u662f\u7531 DBMS \u89e3\u6790\u548c\u4fdd\u5b58\u7684 SQL\uff0c\u901a\u5e38\u5305\u542b\u5360\u4f4d\u7b26\uff0c\u4f46\u6ca1\u6709\u5b9e\u9645\u5f62\u53c2\u503c\u3002 \u540e\u7eed\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u7ec4\u5f62\u53c2\u503c\u6267\u884c\u8be5\u8bed\u53e5\u3002\u201d<\/em><\/p>\n<p>\u5728\u5b9e\u8df5\u4e2d\uff0c\u9884\u5907\u8bed\u53e5\u6709\u52a9\u4e8e\u907f\u514d\u6bcf\u6b21\u4ee3\u7801\u6267\u884c\u76f8\u540c\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u65f6\u90fd\u91cd\u65b0\u521b\u5efa\u8bed\u53e5\uff0c\u4ece\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6709\u5174\u8da3\u4e86\u89e3\u9884\u5907\u8bed\u53e5\uff0c\u8bf7\u67e5\u770b <code>prepared.go<\/code> \u6587\u4ef6\u3002<\/p>\n<div>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">package main\nimport (\n    \"database\/sql\"\n    \"fmt\"\n    \"github.com\/go-sql-driver\/mysql\"\n    \"log\"\n    \"os\"\n)\nvar db *sql.DB\ntype Album struct {\n    ID       int64\n    Title    string\n    Artist   string\n    Price    float32\n    Quantity int64\n}\nfunc main() {\n    \/\/ Capture connection properties.\n    cfg := mysql.Config{\n        User:   os.Getenv(\"DBUSER\"),\n        Passwd: os.Getenv(\"DBPASS\"),\n        Net:    \"tcp\",\n        Addr:   \"127.0.0.1:3306\",\n        DBName: \"recordings\",\n    }\n    \/\/ Get a database handle.\n    var err error\n    db, err = sql.Open(\"mysql\", cfg.FormatDSN())\n    if err != nil {\n        log.Fatal(err)\n    }\n    pingErr := db.Ping()\n    if pingErr != nil {\n        log.Fatal(pingErr)\n    }\n    fmt.Println(\"Connected!\")\n    \/\/ Hard-code ID 2 here to test the query.\n    Album, err := albumByID(2)\n    if err != nil {\n        log.Fatal(err)\n    }\n    fmt.Printf(\"Album found: %vn\", Album)\n}\n\/\/ AlbumByID retrieves the specified album.\nfunc albumByID(id int) (Album, error) {\n    \/\/ Define a prepared statement. You'd typically define the statement\n    \/\/ elsewhere and save it for use in functions such as this one.\n    stmt, err := db.Prepare(\"SELECT * FROM album WHERE id = ?\")\n    if err != nil {\n        log.Fatal(err)\n    }\n    var album Album\n    \/\/ Execute the prepared statement, passing in an id value for the\n    \/\/ parameter whose placeholder is ?\n    err = stmt.QueryRow(id).Scan(&amp;album.ID, &amp;album.Title, &amp;album.Artist, &amp;album.Price, &amp;album.Quantity)\n    if err != nil {\n        if err == sql.ErrNoRows {\n            \/\/ Handle the case of no rows returned.\n        }\n        return album, err\n    }\n    return album, nil\n}<\/pre>\n<\/div>\n<p>\u6b63\u5982\u60a8\u6240\u770b\u5230\u7684\uff0c\u8be5\u4ee3\u7801\u4e0e\u7528\u4e8e\u67e5\u8be2\u5355\u884c\u7684\u4ee3\u7801\u975e\u5e38\u76f8\u4f3c\u3002 \u4e0d\u540c\u4e4b\u5904\u5728\u4e8e <code>albumByID<\/code> \u51fd\u6570\u73b0\u5728\u4f7f\u7528\u9884\u5907\u8bed\u53e5\u3002 \u51fd\u6570\u7684\u7b2c\u4e00\u90e8\u5206\u5b9a\u4e49\u4f7f\u7528 <code>sql.Stmt<\/code> \u51c6\u5907 SQL \u8bed\u53e5\u7684\u9884\u5907\u8bed\u53e5 (<code>db.Prepare<\/code>)\uff0c\u7136\u540e\u8c03\u7528\u65f6\u5728\u7b2c\u4e8c\u90e8\u5206\u4e2d\u6267\u884c\u5b83 (<code>stmt.QueryRow<\/code>)\u3002<\/p>\n<p>\u8fd0\u884c\u4ee3\u7801\u4ee5\u68c0\u67e5\u7ed3\u679c\uff1a<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327742\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/prepared-2800x1598.png\" alt=\"\" width=\"2800\" height=\"1598\" \/><\/figure>\n<p>\u7ed3\u679c\u4e0e\u524d\u9762\u7684\u793a\u4f8b\uff08\u67e5\u8be2\u5355\u884c\uff09\u76f8\u540c\uff0c\u4f46\u5b9e\u9645\u4e0a\uff0c\u8282\u7701\u7684\u8d44\u6e90\u5728\u5904\u7406\u5177\u6709\u6570\u5343\u884c\u7684\u6570\u636e\u5e93\u65f6\u4f1a\u4ea7\u751f\u663e\u8457\u5f71\u54cd\u3002 \u8981\u8be6\u7ec6\u4e86\u89e3\u9884\u5907\u8bed\u53e5\uff0c\u8bf7\u9605\u8bfb<a href=\"https:\/\/go.dev\/doc\/database\/prepared-statements\" target=\"_blank\" rel=\"noreferrer noopener\">\u6b64\u5904<\/a>\u7684\u6587\u6863\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>\u5904\u7406\u4e8b\u52a1<\/strong><\/h3>\n<p>\u4e8b\u52a1\u5141\u8bb8\u60a8\u6267\u884c\u5404\u79cd\u64cd\u4f5c\uff0c\u4f8b\u5982\u63d2\u5165\u3001\u66f4\u65b0\u3001\u67e5\u8be2\u6216\u5220\u9664\u8868\u884c\u3002 \u4e8b\u52a1\u4e4b\u6240\u4ee5\u6709\u7528\uff0c\u662f\u56e0\u4e3a\u5b83\u4eec\u80fd\u591f\u5c06\u591a\u4e2a\u64cd\u4f5c\uff08\u67e5\u8be2\uff09\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u4ec5\u5728\u5b83\u4eec\u90fd\u6ee1\u8db3\u6307\u5b9a\u6761\u4ef6\u65f6\u624d\u6267\u884c\u3002 \u5426\u5219\uff0c\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\u3002<\/p>\n<p>\u4e3a\u4e86\u7406\u89e3\u8fd9\u4e2a\u6982\u5ff5\uff0c\u6211\u4eec\u6765\u68c0\u67e5 <code>transaction.go<\/code>\uff1a<\/p>\n<div>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">package main\nimport (\n    \"context\"\n    \"database\/sql\"\n    \"fmt\"\n    \"github.com\/go-sql-driver\/mysql\"\n    \"log\"\n    \"os\"\n)\nvar db *sql.DB\ntype Album struct {\n    ID       int64\n    Title    string\n    Artist   string\n    Price    float32\n    Quantity int64\n}\ntype Album_trx struct {\n    TRX_ID    int64\n    TRX_CHECK int64\n}\nfunc main() {\n    \/\/ Capture connection properties.\n    cfg := mysql.Config{\n        User:   os.Getenv(\"DBUSER\"),\n        Passwd: os.Getenv(\"DBPASS\"),\n        Net:    \"tcp\",\n        Addr:   \"127.0.0.1:3306\",\n        DBName: \"recordings\",\n    }\n    \/\/ Get a database handle.\n    var err error\n    db, err = sql.Open(\"mysql\", cfg.FormatDSN())\n    if err != nil {\n        log.Fatal(err)\n    }\n    pingErr := db.Ping()\n    if pingErr != nil {\n        log.Fatal(pingErr)\n    }\n    fmt.Println(\"Connected!\")\n    \/\/ Start the transaction\n    ctx := context.Background()\n    tx, err := db.BeginTx(ctx, nil)\n    if err != nil {\n        log.Fatal(err)\n    }\n    \/\/ First query\n    _, err = tx.ExecContext(ctx, \"INSERT INTO album (title, artist, price, quantity) VALUES ('Master of Puppets', 'Metallica', '49', '1')\")\n    if err != nil {\n        tx.Rollback()\n        return\n    }\n    \/\/ Second query\n    _, err = tx.ExecContext(ctx, \"INSERT INTO album_trx (trx_check) VALUES (-1)\")\n    if err != nil {\n        tx.Rollback()\n        fmt.Println(\"Transaction declined\")\n        return\n    }\n    \/\/ If no errors, commit the transaction\n    err = tx.Commit()\n    if err != nil {\n        log.Fatal(err)\n    }\n    fmt.Println(\"Transaction accepted!\")\n}<\/pre>\n<\/div>\n<p>\u8be5\u7ed3\u6784\u7c7b\u4f3c\u4e8e\u672c\u6559\u7a0b\u4e2d\u8ba8\u8bba\u7684\u7ed3\u6784\uff0c\u9664\u4e86\u6700\u540e\u4e00\u90e8\u5206\uff0c\u5b83\u5305\u542b 2 \u4e2a\u67e5\u8be2\u3002 \u6839\u636e\u6587\u6863\uff0c<em>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee3\u8868\u4e8b\u52a1\u7684 sql.Tx \u6267\u884c\u6570\u636e\u5e93\u4e8b\u52a1<\/em>\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u4ece\u6ce8\u91ca <code>\/\/ Start the transaction<\/code> \u5f00\u59cb\u68c0\u67e5\u4ee3\u7801\uff0c\u4e86\u89e3\u8fd9\u4e9b\u4e8b\u52a1\u7684\u8fd0\u4f5c\u65b9\u5f0f\u3002 \u6b64\u4ee3\u7801\u521b\u5efa\u4e00\u4e2a\u4e0a\u4e0b\u6587 (<code>ctx<\/code>)\uff0c\u7528\u4e8e\u4f7f\u7528 <a href=\"https:\/\/go.dev\/doc\/database\/execute-transactions\" target=\"_blank\" rel=\"noreferrer noopener\"><code>DB.BeginTx<\/code><\/a> \u65b9\u6cd5\u542f\u52a8\u4e8b\u52a1\u3002 \u63a5\u4e0b\u6765\uff0c\u662f 2 \u4e2a\u4f7f\u7528 <code>tx.ExecContext<\/code> \u65b9\u6cd5\u7684\u67e5\u8be2\u3002<\/p>\n<p>\u5982\u679c\u4e8b\u52a1\u6210\u529f\uff0c\u7b2c\u4e00\u4e2a\u67e5\u8be2\u53ea\u5728\u4e13\u8f91\u8868\u4e2d\u63d2\u5165\u4e00\u4e2a\u65b0\u884c\u3002 \u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u51fa\u73b0\u9519\u8bef\uff0c<code>tx.Rollback()<\/code> \u65b9\u6cd5\u4f1a\u963b\u6b62\u64cd\u4f5c\u6267\u884c\u3002<\/p>\n<p>\u5728\u672c\u4f8b\u4e2d\uff0c\u7b2c\u4e8c\u4e2a\u67e5\u8be2\u7528\u4e8e\u663e\u793a\u4e8b\u52a1\u80cc\u540e\u7684\u903b\u8f91\u3002 \u8bf7\u6ce8\u610f\uff0c\u5728\u672c\u4f8b\u4e2d\uff0c\u5b83\u8fd8\u4f7f\u7528 <code>INSERT<\/code> \u8bed\u53e5\u5411 <code>album_trx<\/code> \u63a7\u5236\u8868\u6dfb\u52a0\u65b0\u884c\u3002 \u4f46\u662f\uff0c\u8be5\u503c\u4e3a\u8d1f\uff0c\u5e76\u4e14\u7531\u4e8e\u5b57\u6bb5 <code>trx_check<\/code> \u4e0d\u63a5\u53d7\u8d1f\u503c\uff08\u5b83\u88ab\u5b9a\u4e49\u4e3a <code>INT UNSIGNED<\/code>\uff09\uff0c\u8be5\u67e5\u8be2\u5c06\u4e0d\u4f1a\u8fdb\u884c\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u6761\u4ef6\u5c06\u89e6\u53d1 <code>tx.Rollback()<\/code> \u65b9\u6cd5\uff0c\u7ec8\u7aef\u5c06\u663e\u793a <code>Transaction declined<\/code> \u9519\u8bef\u6d88\u606f\u3002 \u800c\u4e14\uff0c\u65e0\u8bba\u7b2c\u4e00\u4e2a\u67e5\u8be2\u662f\u5426\u987a\u5229\u901a\u8fc7\uff0c\u90fd\u4e0d\u4f1a\u66f4\u65b0\u4efb\u4f55\u8868\u3002<\/p>\n<p>\u8fd0\u884c\u4ee3\u7801\u4ee5\u68c0\u67e5\u4e8b\u52a1\u7684\u884c\u4e3a\u3002<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327754\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/transaction-decl-2800x1598.png\" alt=\"\" width=\"2800\" height=\"1598\" \/><\/figure>\n<p>\u4e0e\u9884\u671f\u76f8\u540c\uff0c\u4e8b\u52a1\u88ab\u62d2\u7edd\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u7f16\u8f91 <code>_, err = tx.ExecContext(ctx, \"INSERT INTO album_trx (trx_check) VALUES (-1)\")<\/code> \u884c\uff0c\u5c06\u503c <code>-1<\/code> \u66f4\u6539\u4e3a <code>1<\/code>\uff0c\u7136\u540e\u518d\u6b21\u8fd0\u884c\u4ee3\u7801\u3002<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327765\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/transaction-acc-2800x1598.png\" alt=\"\" width=\"2800\" height=\"1598\" \/><\/figure>\n<p>\u70b9\u51fb\u6570\u636e\u5e93\u56fe\u6807\uff0c\u5c55\u5f00\u6570\u636e\u5e93\u8868\uff0c\u7136\u540e\u53cc\u51fb\u6bcf\u4e2a\u8868\u540d\uff0c\u5373\u53ef\u8f7b\u677e\u68c0\u67e5\u8868\u662f\u5426\u88ab\u4fee\u6539\u3002<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327776\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/check-transaction-2800x1598.png\" alt=\"\" width=\"2800\" height=\"1598\" \/><\/figure>\n<p>\u672c\u6559\u7a0b\u4e2d\u5c55\u793a\u7684\u76f8\u540c\u539f\u7406\u53ef\u7528\u4e8e\u521b\u5efa\u5177\u6709\u540c\u65f6\u5f71\u54cd\u591a\u4e2a\u8868\u7684\u591a\u9879\u68c0\u67e5\u7684\u590d\u6742\u64cd\u4f5c\u3002 \u4e00\u6b21\u67e5\u8be2\u5931\u8d25\u5c31\u8db3\u4ee5\u5bfc\u81f4\u4e8b\u52a1\u4e2d\u65ad\u3002<\/p>\n<h2 class=\"wp-block-heading\"><strong>\u5728 Go \u4e2d\u5904\u7406\u9519\u8bef<\/strong><\/h2>\n<p>\u8bb8\u591a\u539f\u56e0\u53ef\u80fd\u5bfc\u81f4\u9519\u8bef\u3002 \u4f8b\u5982\uff0c\u5982\u679c\u60a8\u5c1d\u8bd5\u4f7f\u7528\u5c1a\u672a\u58f0\u660e\u7684\u53d8\u91cf\u3001\u5c1d\u8bd5\u9664\u4ee5 0 \u6216\u5b58\u5728\u62fc\u5199\u9519\u8bef\uff0c\u5c31\u53ef\u80fd\u4f1a\u51fa\u9519\u3002 \u5e78\u8fd0\u7684\u662f\uff0c\u8981\u5904\u7406 Go \u4e2d\u7684\u4ee3\u7801\u9519\u8bef\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684\u9519\u8bef\u5904\u7406\u51fd\u6570\u3002<\/p>\n<p>\u8fd9\u4e9b\u51fd\u6570\u5df2\u5728\u672c\u6559\u7a0b\u4e2d\u5e7f\u6cdb\u4f7f\u7528\uff0c\u53ea\u662f\u6ca1\u6709\u8be6\u7ec6\u8bf4\u660e\u3002 \u6211\u4eec\u6765\u770b\u4e00\u4e0b\u83b7\u53d6 MySQL \u6570\u636e\u5e93\u53e5\u67c4\u65f6\u9519\u8bef\u6d88\u606f\u662f\u5982\u4f55\u7ba1\u7406\u7684\uff1a<\/p>\n<div>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> \/\/ Get a database handle.\n    var err error\n    db, err = sql.Open(\"mysql\", cfg.FormatDSN())\n    if err != nil {\n        log.Fatal(err)\n    }\n    pingErr := db.Ping()\n    if pingErr != nil {\n        log.Fatal(pingErr)\n    }\n    fmt.Println(\"Connected!\")<\/pre>\n<\/div>\n<p>\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff1a<\/p>\n<ul>\n<li>\u7b2c\u4e00\u884c\u58f0\u660e\u53d8\u91cf <code>err<\/code> \u548c <code>error<\/code> \u5e76\u5c06\u5176\u521d\u59cb\u5316\u4e3a\u96f6\u3002<\/li>\n<li>\u7b2c\u4e8c\u884c\u4f7f\u7528 <code>database\/sql<\/code> \u8f6f\u4ef6\u5305\u901a\u8fc7 Go MySQL Driver \u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002<\/li>\n<li>\u5728\u7b2c\u4e09\u884c\u4e2d\uff0c\u4f7f\u7528\u4e86\u4e00\u4e2a\u6761\u4ef6\u3002 \u5982\u679c\u8eab\u4efd\u9a8c\u8bc1\u671f\u95f4\u53d1\u751f\u9519\u8bef\uff08\u5e03\u5c14\u503c\u4e0d\u4e3a null\uff09\uff0c\u5219\u4f7f\u7528 <code>log.Fatal(err)<\/code> \u5b58\u50a8\u65e5\u5fd7\u3002 \u76f8\u53cd\uff0c\u5982\u679c\u6ca1\u6709\u9519\u8bef\uff0c\u5219\u6267\u884c\u4e0b\u4e00\u4e2a\u4ee3\u7801\u5757\u3002<\/li>\n<li>\u6700\u540e\u4e00\u6bb5\u4ee3\u7801\u4f7f\u7528 <code>Ping()<\/code> \u6d4b\u8bd5\u4e0e\u6570\u636e\u5e93\u7684\u8fde\u63a5\u3002 \u5982\u679c\u53d1\u751f\u9519\u8bef\uff0c<code>log.Fatal(pingErr)<\/code> \u4f1a\u5c06\u5176\u5b58\u50a8\u5728\u65e5\u5fd7\u4e2d\uff0c\u4f46\u5982\u679c\u6ca1\u6709\uff0c\u5c06\u4f7f\u7528 <code>fmt.Println(\"Connected!\")<\/code> \u6253\u5370\u6210\u529f\u6d88\u606f\u3002<\/li>\n<\/ul>\n<p>\u6b63\u5982\u60a8\u6240\u770b\u5230\u7684\uff0c\u4f7f\u7528 <code><a href=\"https:\/\/pkg.go.dev\/fmt\" target=\"_blank\" rel=\"noreferrer noopener\"><code>fmt<\/code><\/a><\/code> \u548c <code><a href=\"https:\/\/pkg.go.dev\/log\" target=\"_blank\" rel=\"noreferrer noopener\"><code>log<\/code><\/a><\/code> \u7b49\u8f6f\u4ef6\u5305\u6784\u5efa\u9519\u8bef\u6d88\u606f\u975e\u5e38\u7b80\u5355\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u50cf\u5728\u4ee3\u7801\u4e2d\u6784\u5efa\u9519\u8bef\u6d88\u606f\u4e00\u6837\u8f7b\u677e\u5730\u4f7f\u7528 GoLand \u8c03\u8bd5\u4ee3\u7801\u4e2d\u7684\u95ee\u9898\u3002 \u60a8\u53ef\u4ee5\u6253\u5f00\u4efb\u610f\u6559\u7a0b\u6587\u4ef6\u6765\u67e5\u627e\u9519\u8bef\u6d88\u606f\u793a\u4f8b\u3002<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-327787\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/02\/errors-2800x1598.png\" alt=\"\" width=\"2800\" height=\"1598\" \/><\/figure>\n<h2 class=\"wp-block-heading\"><strong>\u7ed3\u8bba<\/strong><\/h2>\n<p>\u672c\u6559\u7a0b\u89e3\u91ca\u4e86\u5982\u4f55\u5b9e\u73b0 <code>database\/sql<\/code> \u8f6f\u4ef6\u5305\u4ee5\u5728 Go \u4e2d\u8bbf\u95ee\u6570\u636e\u5e93\u3001\u6267\u884c\u4e0d\u540c\u7c7b\u578b\u7684\u67e5\u8be2\u3001\u63d2\u5165\u6570\u636e\uff0c\u4ee5\u53ca\u6267\u884c\u4e8b\u52a1\u3002 \u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u7b80\u8981\u56de\u987e\u4e86 Go \u4e2d\u7684\u9519\u8bef\u5904\u7406\u3002 \u5728\u6559\u7a0b\u4e2d\uff0c\u60a8\u5df2\u7ecf\u4e86\u89e3\u5230 GoLand \u5728\u7f16\u5199\u548c\u8fd0\u884c\u4ee3\u7801\u65b9\u9762\u6709\u591a\u4e48\u65b9\u4fbf\u3002 \u60a8\u53ef\u4ee5\u5728<a href=\"https:\/\/www.jetbrains.com.cn\/\" target=\"_blank\" rel=\"noopener\">\u8fd9\u91cc<\/a>\u8be6\u7ec6\u4e86\u89e3 JetBrains \u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u7684\u5de5\u5177\u3002<\/p>\n\n\n<p><\/p>\n\n\n\n<p>\u672c\u535a\u6587\u82f1\u6587\u539f\u4f5c\u8005\uff1a<\/p>\n\n\n    <div class=\"about-author \">\n        <div class=\"about-author__box\">\n            <div class=\"row\">\n                <div class=\"about-author__box-img\">\n                    <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/?s=200&#038;r=g\" width=\"200\" height=\"200\" alt=\"\" loading=\"lazy\"  class=\"avatar avatar-200 wp-user-avatar wp-user-avatar-200 photo avatar-default\">\n                <\/div>\n                <div class=\"about-author__box-text\">\n                                                        <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n","protected":false},"author":1297,"featured_media":327371,"comment_status":"closed","ping_status":"closed","template":"","categories":[2347],"tags":[325],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/go\/361133"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/go"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/types\/go"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/users\/1297"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=361133"}],"version-history":[{"count":4,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/go\/361133\/revisions"}],"predecessor-version":[{"id":361153,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/go\/361133\/revisions\/361153"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/media\/327371"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=361133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=361133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=361133"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/cross-post-tag?post=361133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}