{"id":310495,"date":"2023-01-03T04:29:47","date_gmt":"2023-01-03T03:29:47","guid":{"rendered":"https:\/\/blog.jetbrains.com\/?post_type=go&p=310495"},"modified":"2023-01-03T04:29:51","modified_gmt":"2023-01-03T03:29:51","slug":"build-a-blog-with-go-templates","status":"publish","type":"go","link":"https:\/\/blog.jetbrains.com\/zh-hans\/go\/2023\/01\/03\/build-a-blog-with-go-templates\/","title":{"rendered":"\u4f7f\u7528 Go \u6a21\u677f\u6784\u5efa\u535a\u5ba2"},"content":{"rendered":"

\u672c\u6587\u7531\u5916\u90e8\u8d21\u732e\u8005\u64b0\u5199\u3002<\/em><\/p>\n

\n
\n
\n
\"\"<\/div>\n
\n

Aniket Bhattacharyea<\/h4>\n

\u70ed\u7231\u8ba1\u7b97\u673a\u548c\u8f6f\u4ef6\u7684\u6570\u5b66\u7814\u7a76\u751f\u3002<\/span><\/p>\n

\u7f51\u7ad9<\/span><\/a><\/p>\n

\u00a0<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

Go \u6a21\u677f<\/a>\u529f\u80fd\u5f3a\u5927\uff0c\u53ef\u4ee5\u6839\u636e Go \u7a0b\u5e8f\u4e2d\u7684\u6570\u636e\u751f\u6210\u6587\u672c\u6216 HTML \u8f93\u51fa\u3002 \u60a8\u53ef\u4ee5\u5c06\u5bf9\u8c61\u4f20\u9012\u7ed9\u6a21\u677f\uff0c\u81ea\u5b9a\u4e49\u6570\u636e\u7684\u663e\u793a\u65b9\u5f0f\u3002 \u6a21\u677f\u901a\u5e38\u7528\u4e8e\u751f\u6210\u7f51\u9875\u3001\u7535\u5b50\u90ae\u4ef6\u548c\u5176\u4ed6\u57fa\u4e8e\u6587\u672c\u7684\u8f93\u51fa\u3002 Go \u6a21\u677f\u975e\u5e38\u6d41\u884c\u7684\u73b0\u5b9e\u7528\u6cd5\u5728 kubectl<\/a> \u547d\u4ee4\u884c\u5de5\u5177\u4e2d\uff0c\u60a8\u53ef\u4ee5\u5c06\u6a21\u677f\u4f20\u9012\u5230 --template<\/code> \u6807\u5fd7\uff0c\u6839\u636e\u9700\u8981\u81ea\u5b9a\u4e49\u8f93\u51fa\u3002<\/p>\n

<\/span>\u6a21\u677f\u603b\u89c8<\/strong><\/h2>\n

\u5728 Go \u4e2d\uff0c\u6709\u4e24\u4e2a\u8f6f\u4ef6\u5305\u63d0\u4f9b\u6a21\u677f\u529f\u80fd\uff1atext\/template<\/a> \u548c html\/template<\/a> \u8f6f\u4ef6\u5305\u3002 \u4e24\u8005\u5177\u6709\u5b8c\u5168\u76f8\u540c\u7684\u63a5\u53e3\u96c6\uff0c\u552f\u4e00\u7684\u533a\u522b\u662f\u540e\u8005\u81ea\u52a8\u4fdd\u62a4 HTML \u8f93\u51fa\u514d\u53d7\u5404\u79cd\u653b\u51fb\u3002 html\/template<\/code> \u56e0\u6b64\u662f\u751f\u6210 HTML \u8f93\u51fa\u7684\u66f4\u597d\u9009\u62e9\uff0c\u8fd9\u4e5f\u662f\u672c\u6587\u4f7f\u7528 html\/template<\/code> \u8f6f\u4ef6\u5305\u7684\u539f\u56e0\u3002<\/p>\n

\u6a21\u677f\u662f\u5b57\u7b26\u4e32\uff0c\u5305\u542b\u4f7f\u7528\u53cc\u82b1\u62ec\u53f7\u62ec\u8d77\u6765\u7684\u64cd\u4f5c<\/a>\u7279\u6b8a\u547d\u4ee4\u3002 \u8fd9\u4e9b\u64cd\u4f5c\u7528\u4e8e\u8bbf\u95ee\u6216\u8bc4\u4f30\u6570\u636e\uff0c\u6216\u63a7\u5236\u6a21\u677f\u7684\u7ed3\u6784\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u6a21\u677f\uff1a<\/p>\n

\u00a0<\/p>\n

tmpl := \"Hello {{.Name}}!\"<\/pre>\n
\u00a0<\/p>\n
\u4ee5\u4e0a\u6a21\u677f\u53ea\u6709\u4e00\u4e2a\u64cd\u4f5c\uff0c\u8f93\u51fa\u4f20\u9012\u5230\u6a21\u677f\u7684\u6570\u636e\u5bf9\u8c61\u7684 Name<\/code> \u5b57\u6bb5\u7684\u503c\u3002 \u64cd\u4f5c\u4e2d\u7684 .<\/code> \u5b57\u7b26\u6307\u7684\u662f\u4f20\u9012\u5230\u6a21\u677f\u7684\u6570\u636e\u5bf9\u8c61\uff0c.Name<\/code> \u8bbf\u95ee\u5bf9\u8c61\u7684 Name<\/code> \u5b57\u6bb5\u3002<\/p>\n
\u8981\u5448\u73b0\u6a21\u677f\uff0c\u5fc5\u987b\u901a\u8fc7 Parse<\/code> \u51fd\u6570\u89e3\u6790\u6a21\u677f\uff0c\u5e76\u4f7f\u7528 Execute<\/code> \u51fd\u6570\u5c06\u5199\u5165\u5668\u548c\u6570\u636e\u5bf9\u8c61\u4f5c\u4e3a\u5b9e\u53c2\u5e76\u5c06\u8f93\u51fa\u5199\u5165\u5199\u5165\u5668\u3002<\/p>\n
\u00a0<\/p>\n
\/\/ Defining the data to pass\ntype User struct {\n    Name string\n}\n\nuser := User{\"James\"}\nt, err := template.New(\"test\").Parse(tmpl)\nif err != nil {\n    panic(err)\n}\nerr = t.Execute(os.Stdout, user)\nif err != nil {\n    panic(err)\n}<\/pre>\n
\u00a0<\/p>\n
\u4e0a\u65b9\u4ee3\u7801\u4f1a\u5c06 Hello James!<\/code> \u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002<\/p>\n
\u9664\u4e86\u8bbf\u95ee\u6570\u636e\u4e4b\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 if<\/code> \u7b49\u64cd\u4f5c\u6709\u6761\u4ef6\u5730\u5448\u73b0\u5185\u5bb9\uff0c\u4f7f\u7528 range<\/code> \u8fed\u4ee3\u96c6\u5408\u3002 \u60a8\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u81ea\u5df1\u7684\u51fd\u6570\u5e76\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\u3002 \u8fd9\u91cc<\/a>\u662f\u6a21\u677f\u7684\u5b8c\u6574\u6982\u8ff0\u3002<\/p>\n
<\/span>\u4f7f\u7528\u6a21\u677f\u6784\u5efa\u535a\u5ba2<\/strong><\/h2>\n
\u5728\u6309\u7167\u6559\u7a0b\u64cd\u4f5c\u524d\uff0c\u60a8\u9700\u8981\u5728\u7cfb\u7edf\u4e0a\u5b89\u88c5\u5e76\u8bbe\u7f6e Go\u3002 \u60a8\u8fd8\u9700\u8981\u5b89\u88c5 GoLand<\/a>\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u5728 GitHub<\/a> \u4e0a\u627e\u5230\u6b64\u6559\u7a0b\u7684\u4ee3\u7801\u3002 \u60a8\u53ef\u4ee5\u968f\u610f\u514b\u9686\u548c\u7814\u7a76\u4ee3\u7801\uff0c\u4e5f\u53ef\u4ee5\u6309\u7167\u6559\u7a0b\u4ece\u5934\u5f00\u59cb\u521b\u5efa\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n
<\/span>\u521b\u5efa\u65b0\u9879\u76ee<\/strong><\/h3>\n
[\u8fd4\u56de\u9875\u9996<\/a>]<\/p>\n
\u542f\u52a8 GoLand\uff0c\u70b9\u51fb New<\/em> project<\/em>\uff08\u65b0\u5efa\u9879\u76ee\uff09\u6309\u94ae\u3002 \u9009\u62e9 Go<\/em> \u9009\u9879\u5e76\u63d0\u4f9b\u4e00\u4e2a\u540d\u79f0\uff0c\u4f8b\u5982\u201cGoBlog\u201d\u3002<\/p>\n
\"\"<\/figure>\n
\u70b9\u51fb Create<\/em>\uff08\u521b\u5efa\uff09\u521b\u5efa\u9879\u76ee\u3002 \u5728\u9879\u76ee\u7684\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u6587\u4ef6 main.go<\/code>\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n
\u00a0<\/p>\n
package main\n\nimport (\n    \"database\/sql\"\n    \"github.com\/go-chi\/chi\/v5\"\n    \"github.com\/go-chi\/chi\/v5\/middleware\"\n    _ \"github.com\/mattn\/go-sqlite3\"\n)<\/pre>\n
\u00a0<\/p>\n
\u6a21\u5757\u5c06\u4ee5\u7ea2\u8272\u9ad8\u4eae\u663e\u793a\u3002 \u8fd9\u662f\u56e0\u4e3a\u8fd9\u4e9b\u6a21\u5757\u5c1a\u672a\u4e0b\u8f7d\u3002<\/p>\n
\"\"<\/figure>\n
GoLand \u53ef\u4ee5\u81ea\u52a8\u4e3a\u60a8\u4e0b\u8f7d\u3002 \u5c06\u9f20\u6807\u60ac\u505c\u5728\u9ad8\u4eae\u663e\u793a\u7684\u6761\u76ee\u4e0a\uff0c\u7136\u540e\u5728\u51fa\u73b0\u7684\u5f39\u51fa\u7a97\u53e3\u4e2d\u70b9\u51fb Sync dependencies of GoBlog<\/em>\uff08\u540c\u6b65 GoBlog \u7684\u4f9d\u8d56\u9879\uff09\u3002<\/p>\n
\"\"<\/figure>\n
\u51e0\u79d2\u949f\u540e\uff0c\u6a21\u5757\u5f00\u59cb\u4e0b\u8f7d\uff0c\u7ea2\u8272\u9ad8\u4eae\u663e\u793a\u6d88\u5931\u3002<\/p>\n
\u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u60a8\u542f\u7528 Auto-format on save<\/em>\uff08\u4fdd\u5b58\u65f6\u81ea\u52a8\u683c\u5f0f\u5316\uff09\uff0c\u4e00\u65e6\u6587\u4ef6\u88ab\u4fdd\u5b58\uff08\u4f8b\u5982\uff0c\u7a97\u53e3\u5931\u53bb\u7126\u70b9\u65f6\uff09\uff0cGoLand \u5c06\u683c\u5f0f\u5316\u4ee3\u7801\u5e76\u79fb\u9664\u672a\u4f7f\u7528\u7684\u4f9d\u8d56\u9879\u3002 \u5728 Preference \/ Settings <\/em>| Tools <\/em>| Actions on Save <\/em>| Configure autosave options\u2026 <\/em>| Autosave<\/em>\uff08\u504f\u597d\u8bbe\u7f6e\/\u8bbe\u7f6e | \u5de5\u5177 | \u4fdd\u5b58\u65f6\u7684\u64cd\u4f5c | \u914d\u7f6e\u81ea\u52a8\u4fdd\u5b58\u9009\u9879\u2026 | \u81ea\u52a8\u4fdd\u5b58\uff09\u4e2d\u5207\u6362\u5230\u4e0d\u540c\u7684\u5e94\u7528\u7a0b\u5e8f\u6216\u5185\u7f6e\u7ec8\u7aef\u65f6\uff0c\u53ef\u4ee5\u7981\u7528\u81ea\u52a8\u4fdd\u5b58\u3002<\/p>\n
\u60a8\u4e5f\u53ef\u4ee5\u624b\u52a8\u6dfb\u52a0\u5bfc\u5165\u3002 Sync Dependencies<\/em>\uff08\u540c\u6b65\u4f9d\u8d56\u9879\uff09\u64cd\u4f5c\u5c06\u8f6f\u4ef6\u5305\u4e0b\u8f7d\u5230\u7f13\u5b58\u5185\u5b58\uff0c\u624b\u52a8\u6dfb\u52a0\u5bfc\u5165\u65f6\uff0c\u60a8\u4f1a\u83b7\u5f97\u81ea\u52a8\u8865\u5168\u5efa\u8bae\u3002<\/p>\n
\"\"<\/figure>\n
\u4f5c\u4e3a\u7f16\u5199\u670d\u52a1\u5668\u4ee3\u7801\u7684\u7b2c\u4e00\u6b65\uff0c\u5728 main.go<\/code> \u4e2d\u58f0\u660e\u4ee5\u4e0b\u4e24\u4e2a\u5168\u5c40\u53d8\u91cf\uff1a<\/p>\n
\u00a0<\/p>\n
var router *chi.Mux\nvar db *sql.DB<\/pre>\n
\u00a0<\/p>\n
\u867d\u7136\u53ef\u4ee5\u4f7f\u7528\u6807\u51c6\u5e93\u8bbe\u7f6e REST \u670d\u52a1\u5668\uff0c\u4f46\u672c\u6587\u5c06\u4e3a\u6b64\u4f7f\u7528 chi<\/a> router \u2013 chi \u662f\u6613\u4e8e\u4f7f\u7528\u3001\u8f7b\u91cf\u7ea7\u4e14\u901f\u5ea6\u6781\u5feb\u7684 router\uff0c\u6346\u7ed1\u4e86\u8bb8\u591a\u529f\u80fd\u3002<\/p>\n
router<\/code> \u5c06\u5b58\u50a8 chi router \u5b9e\u4f8b\uff0cdb<\/code> \u5c06\u5b58\u50a8\u6570\u636e\u5e93\u5bf9\u8c61\u3002<\/p>\n
\u5b9a\u4e49 Article<\/code> \u7ed3\u6784\uff0c\u5b83\u5c06\u5177\u6709\u6807\u9898\u3001\u5185\u5bb9\u548c ID\uff1a<\/p>\n
\u00a0<\/p>\n
type Article struct {\n    ID      int           `json:\"id\"`\n    Title   string        `json:\"title\"`\n    Content template.HTML `json:\"content\"`\n}<\/pre>\n
\u00a0<\/p>\n
\u6ce8\u610f\uff0c\u5bf9\u4e8e Content<\/code>\uff0c\u4f7f\u7528\u7684\u662f template.HTML<\/code> \u800c\u4e0d\u662f string<\/code>\u3002 \u56e0\u4e3a\u5185\u5bb9\u5c06\u662f\u5bcc\u6587\u672c\u5e76\u5448\u73b0\u4e3a HTML\uff0c\u9700\u8981\u4f7f\u7528 template.HTML<\/code> \u9632\u6b62 HTML \u5728\u5448\u73b0\u6a21\u677f\u65f6\u88ab\u8f6c\u4e49\u3002<\/p>\n
<\/span>\u8bbe\u7f6e\u6570\u636e\u5e93<\/strong><\/h3>\n
[\u8fd4\u56de\u9875\u9996<\/a>]<\/p>\n
\u521b\u5efa\u6587\u4ef6 db.go<\/code>\uff0c\u7528\u4e8e\u5b58\u653e\u6570\u636e\u5e93\u76f8\u5173\u529f\u80fd\u3002 \u9996\u5148\uff0c\u5bfc\u5165\u5fc5\u8981\u6a21\u5757\uff1a<\/p>\n
\u00a0<\/p>\n
package main\n\nimport (\n    \"database\/sql\"\n)<\/pre>\n
\u00a0<\/p>\n
\u5728\u672c\u6587\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528 database\/sql<\/code> \u8f6f\u4ef6\u5305\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u3002 \u4f46\u662f\uff0c\u6a21\u677f\u7cfb\u7edf\u4e0d\u53d7\u6570\u636e\u5e93\u8f6f\u4ef6\u5305\u9009\u62e9\u7684\u5f71\u54cd\uff0c\u60a8\u53ef\u4ee5\u5c06\u5176\u4e0e\u4efb\u4f55\u5176\u4ed6\u6570\u636e\u5e93\u8f6f\u4ef6\u5305\u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n
\u672c\u6559\u7a0b\u5c06\u4f7f\u7528 SQLite<\/a> \u6570\u636e\u5e93\u5b58\u50a8\u6570\u636e\uff0c\u4f46\u60a8\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u5176\u4ed6 SQL \u6570\u636e\u5e93\uff0c\u4f8b\u5982 MySQL<\/a> \u6216 PostgreSQL<\/a>\u3002 \u6709\u5173 database\/sql<\/code> \u652f\u6301\u7684\u6570\u636e\u5e93\u7684\u5b8c\u6574\u5217\u8868\uff0c\u8bf7\u53c2\u89c1\u6b64\u5904<\/a>\u3002<\/p>\n
\u5b9a\u4e49 connect<\/code> \u51fd\u6570\uff0c\u5b83\u5c06\u521b\u5efa\u4e0e\u6570\u636e\u5e93\u7684\u521d\u59cb\u8fde\u63a5\u3002 \u60a8\u5c06\u4f7f\u7528\u672c\u5730\u6587\u4ef6 data.sqlite<\/code> \u5b58\u50a8\u6570\u636e\u3002 \u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5b83\u5c06\u88ab\u81ea\u52a8\u521b\u5efa\u3002<\/p>\n
\u00a0<\/p>\n
func connect() (*sql.DB, error) {\n    var err error\n    db, err = sql.Open(\"sqlite3\", \".\/data.sqlite\")\n    if err != nil {\n        return nil, err\n    }\n\n    sqlStmt := `\n    create table if not exists articles (id integer not null primary key autoincrement, title text, content text);\n    `\n\n    _, err = db.Exec(sqlStmt)\n    if err != nil {\n        return nil, err\n    }\n\n    return db, nil\n}<\/pre>\n
\u00a0<\/p>\n
SQL \u8bed\u53e5\u5c06\u5728 GoLand \u4e2d\u9ad8\u4eae\u663e\u793a\u3002<\/p>\n
\"\"<\/figure>\n
GoLand \u5177\u6709\u4e00\u4e2a\u5185\u7f6e\u6570\u636e\u5e93\u63d2\u4ef6<\/a>\uff0c\u53ef\u4ee5\u8fde\u63a5\u5230\u4e0d\u540c\u7684\u6570\u636e\u5e93\uff0c\u7528\u4e8e\u5728 IDE \u5185\u67e5\u8be2\u3001\u521b\u5efa\u548c\u7ba1\u7406\u8868\u3002 \u4f7f\u7528\u63d2\u4ef6\u524d\uff0c\u60a8\u9700\u8981\u914d\u7f6e\u4e00\u4e2a\u6570\u636e\u6e90\u3002 \u70b9\u51fb\u9ad8\u4eae\u663e\u793a\u7684 SQL \u8bed\u53e5\uff0c\u7136\u540e\u5728\u4e0a\u4e0b\u6587\u64cd\u4f5c\u83dc\u5355\uff08\u9ec4\u8272\u706f\u6ce1\u56fe\u6807\uff09\u4e2d\u70b9\u51fb Configure data source<\/em>\uff08\u914d\u7f6e\u6570\u636e\u6e90\uff09\u3002 \u6216\u8005\uff0c\u60a8\u4e5f\u53ef\u4ee5\u70b9\u51fb\u9ad8\u4eae\u663e\u793a\u533a\u57df\u5e76\u6309 Alt+Enter<\/em> (\u2325\u2009↩<\/em>) \u67e5\u770b\u53ef\u7528\u7684\u610f\u56fe\u64cd\u4f5c\u3002<\/p>\n
\u5728\u51fa\u73b0\u7684\u5bf9\u8bdd\u6846\u4e2d\u70b9\u51fb +<\/code> \u6dfb\u52a0\u65b0\u6570\u636e\u6e90\uff0c\u9009\u62e9 SQLite \u4f5c\u4e3a\u6570\u636e\u5e93\u7c7b\u578b\u3002 \u4e3a\u6570\u636e\u5e93\u63d0\u4f9b\u4e00\u4e2a\u540d\u79f0\uff0c\u4f8b\u5982\u201cDatabase\u201d\uff0c\u5e76\u4f7f\u7528 data.sqlite<\/code> \u4f5c\u4e3a\u6587\u4ef6\u540d\u3002 \u5982\u679c\u6ca1\u6709\u5b89\u88c5\u9002\u5f53\u7684\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\uff0c\u7cfb\u7edf\u4f1a\u63d0\u793a\u5b89\u88c5\u3002 \u51c6\u5907\u5c31\u7eea\u540e\uff0c\u70b9\u51fb OK<\/em>\uff08\u786e\u5b9a\uff09\u4fdd\u5b58\u6570\u636e\u6e90\u3002<\/p>\n
\"\"<\/figure>\n
\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\uff0cGoLand \u5c06\u521b\u5efa\u8be5\u6587\u4ef6\u5e76\u8fde\u63a5\u5230\u5b83\uff0c\u7136\u540e\u6253\u5f00\u6570\u636e\u5e93\u63a7\u5236\u53f0\u3002 \u60a8\u53ef\u4ee5\u5728\u8fd9\u91cc\u7f16\u5199 SQL \u67e5\u8be2\u3002 \u60a8\u4e5f\u53ef\u4ee5\u5728\u53f3\u4fa7\u7684 Database<\/em>\uff08\u6570\u636e\u5e93\uff09\u5de5\u5177\u7a97\u53e3\u4e2d\u770b\u5230\u65b0\u521b\u5efa\u7684\u6570\u636e\u5e93\u3002<\/p>\n
\"\"<\/figure>\n
\u8fd4\u56de\u4ee3\u7801\uff0c\u5c06\u5149\u6807\u653e\u5728 create table<\/code> SQL \u8bed\u53e5\u4e0a\uff0c\u7136\u540e\u6309 Ctrl+Enter<\/em> (\u2318↩<\/em>)\u3002 \u4ece\u5f39\u51fa\u7a97\u53e3\u83dc\u5355\u9009\u62e9\u63a7\u5236\u53f0\uff0cGoLand \u5c06\u5728\u63a7\u5236\u53f0\u4e2d\u8fd0\u884c\u67e5\u8be2\u3002<\/p>\n
\u60a8\u4f1a\u5728\u65e5\u5fd7\u4e2d\u770b\u5230\u8868\u6210\u529f\u521b\u5efa\uff1bDatabase\uff08\u6570\u636e\u5e93\uff09\u4e2d\u4e5f\u5c06\u6709\u6240\u4f53\u73b0\u3002<\/p>\n
\"\"<\/figure>\n
\u6211\u4eec\u6765\u7f16\u5199\u5176\u4f59\u7684\u6570\u636e\u5e93\u51fd\u6570\u3002 dbCreateArticle()<\/code> \u51fd\u6570\u5c06\u4ece Article<\/code> \u7ed3\u6784\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u65b0\u6587\u7ae0\uff1a<\/p>\n
\u00a0<\/p>\n
func dbCreateArticle(article *Article) error {\n    query, err := db.Prepare(\"insert into articles(title,content) values (?,?)\")\n    defer query.Close()\n\n    if err != nil {\n        return err\n    }\n    _, err = query.Exec(article.Title, article.Content)\n\n    if err != nil {\n        return err\n    }\n\n    return nil\n}<\/pre>\n
\u00a0<\/p>\n
\u8fd9\u91cc\u6709\u4e00\u6761\u51c6\u5907\u597d\u7684\u8bed\u53e5\uff0c\u7528\u4e8e\u5c06\u6587\u7ae0\u63d2\u5165\u6570\u636e\u5e93\u3002 ?<\/code> \u5360\u4f4d\u7b26\u5c06\u88ab\u66ff\u6362\u4e3a Article<\/code> \u7ed3\u6784\u7684 Title<\/code> \u548c Content<\/code> \u5b57\u6bb5\u7684\u503c\u3002 \u60a8\u4f1a\u6ce8\u610f\u5230\uff0cGoLand \u5c06\u6b63\u786e\u8bc6\u522b\u5d4c\u5165\u5f0f SQL \u8bed\u53e5\u5e76\u5c06\u5176\u9ad8\u4eae\u663e\u793a\u3002<\/p>\n
\"\"<\/figure>\n
\u548c\u5148\u524d\u4e00\u6837\uff0c\u60a8\u53ef\u4ee5\u5c06\u5149\u6807\u7f6e\u4e8e SQL \u8bed\u53e5\u4e0a\u5e76\u6309 Ctrl+Enter<\/em> (\u2318↩<\/em>) \u8fd0\u884c\u67e5\u8be2\u3002 \u8fd9\u6b21\uff0c\u7cfb\u7edf\u4f1a\u63d0\u793a\u60a8\u4e3a\u5360\u4f4d\u7b26\u63d0\u4f9b\u503c\u3002 \u8f93\u5165\u503c\uff0c\u70b9\u51fb Execute<\/em>\uff08\u6267\u884c\uff09\u3002<\/p>\n
\u8bf7\u6ce8\u610f\uff0c\u9700\u8981\u4e3a\u503c\u6dfb\u52a0\u5f15\u53f7\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u503c\u5c06\u88ab\u9010\u5b57\u66ff\u6362\u3002<\/p>\n
\"\"<\/figure>\n
\u5728 Database\uff08\u6570\u636e\u5e93\uff09\u5de5\u5177\u7a97\u53e3\u4e2d\u53cc\u51fb\u8868\u540d\u5373\u53ef\u67e5\u770b\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u884c\u3002 \u65b0\u521b\u5efa\u7684\u6587\u7ae0\u4e5f\u5e94\u8be5\u5728\u8fd9\u91cc\u663e\u793a\u3002<\/p>\n
\"\"<\/figure>\n
dbGetAllArticles()<\/code> \u51fd\u6570\u4f1a\u5c06\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u6587\u7ae0\u4f5c\u4e3a Article<\/code> \u7ed3\u6784\u7684\u5207\u7247\u8fd4\u56de\uff1a<\/p>\n
\u00a0<\/p>\n
func dbGetAllArticles() ([]*Article, error) {\n    query, err := db.Prepare(\"select id, title, content from articles\")\n    defer query.Close()\n\n    if err != nil {\n        return nil, err\n    }\n    result, err := query.Query()\n\n    if err != nil {\n        return nil, err\n    }\n    articles := make([]*Article, 0)\n    for result.Next() {\n        data := new(Article)\n        err := result.Scan(\n            &data.ID,\n            &data.Title,\n            &data.Content,\n        )\n        if err != nil {\n            return nil, err\n        }\n        articles = append(articles, data)\n    }\n\n    return articles, nil\n}<\/pre>\n
\u00a0<\/p>\n
dbGetArticle()<\/code> \u51fd\u6570\u5c06\u6839\u636e ID \u4ece\u6570\u636e\u5e93\u8fd4\u56de\u4e00\u7bc7\u6587\u7ae0\uff1a<\/p>\n
\u00a0<\/p>\n
func dbGetArticle(articleID string) (*Article, error) {\n    query, err := db.Prepare(\"select id, title, content from articles where id = ?\")\n    defer query.Close()\n\n    if err != nil {\n        return nil, err\n    }\n    result := query.QueryRow(articleID)\n    data := new(Article)\n    err = result.Scan(&data.ID, &data.Title, &data.Content)\n\n    if err != nil {\n        return nil, err\n    }\n\n    return data, nil\n}<\/pre>\n
\u00a0<\/p>\n
\u6700\u540e\u4e00\u90e8\u5206\u662f dbUpdateArticle()<\/code> \u548c dbDeleteArticle()<\/code> \u51fd\u6570\uff0c\u5b83\u4eec\u5206\u522b\u4ece\u6570\u636e\u5e93\u66f4\u65b0\u548c\u5220\u9664\u6587\u7ae0\uff1a<\/p>\n
\u00a0<\/p>\n
func dbUpdateArticle(id string, article *Article) error {\n    query, err := db.Prepare(\"update articles set (title, content) = (?,?) where id=?\")\n    defer query.Close()\n\n    if err != nil {\n        return err\n    }\n    _, err = query.Exec(article.Title, article.Content, id)\n\n    if err != nil {\n        return err\n    }\n\n    return nil\n}\n\nfunc dbDeleteArticle(id string) error {\n    query, err := db.Prepare(\"delete from articles where id=?\")\n    defer query.Close()\n\n    if err != nil {\n        return err\n    }\n    _, err = query.Exec(id)\n\n    if err != nil {\n        return err\n    }\n\n    return nil\n}<\/pre>\n
\u00a0<\/p>\n
<\/span>\u521b\u5efa\u8def\u7531<\/strong><\/h3>\n
[\u8fd4\u56de\u9875\u9996<\/a>]<\/p>\n
\u6570\u636e\u5e93\u51fd\u6570\u5b8c\u6210\u540e\uff0c\u8fd4\u56de main.go<\/code> \u7f16\u5199\u670d\u52a1\u5668\u7684\u5176\u4f59\u90e8\u5206\u3002 \u4ece\u7f16\u5199 catch()<\/code> \u51fd\u6570\u5f00\u59cb\uff0c\u5b83\u4f1a\u5728\u51fa\u73b0\u9519\u8bef\u65f6\u5f15\u53d1\u5b95\u673a\uff1a<\/p>\n
\u00a0<\/p>\n
func catch(err error) {\n    if err != nil {\n        fmt.Println(err)\n        panic(err)\n    }\n}<\/pre>\n
\u00a0<\/p>\n
main()<\/code> \u51fd\u6570\u662f\u8bbe\u7f6e\u8def\u7531\u548c\u4e2d\u95f4\u4ef6\u7684\u5730\u65b9\u3002 \u5728 main.go<\/code> \u4e2d\u6dfb\u52a0\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n
\u00a0<\/p>\n
func main() {\n    router = chi.NewRouter()\n    router.Use(middleware.Recoverer)\n\n    var err error\n    db, err = connect()\n    catch(err)\n\n    router.Use(ChangeMethod)\n    router.Get(\"\/\", GetAllArticles)\n    router.Route(\"\/articles\", func(r chi.Router) {\n        r.Get(\"\/\", NewArticle)\n        r.Post(\"\/\", CreateArticle)\n        r.Route(\"\/{articleID}\", func(r chi.Router) {\n            r.Use(ArticleCtx)\n            r.Get(\"\/\", GetArticle) \/\/ GET \/articles\/1234\n            r.Put(\"\/\", UpdateArticle)    \/\/ PUT \/articles\/1234\n            r.Delete(\"\/\", DeleteArticle) \/\/ DELETE \/articles\/1234\n            r.Get(\"\/edit\", EditArticle) \/\/ GET \/articles\/1234\/edit\n        })\n    })\n\n    err = http.ListenAndServe(\":8005\", router)\n    catch(err)\n}<\/pre>\n
\u00a0<\/p>\n
\u6ce8\u610f Recoverer<\/a> \u4e2d\u95f4\u4ef6\u7684\u4f7f\u7528\u3002 \u5f53 catch()<\/code> \u51fd\u6570\u5f15\u53d1\u5b95\u673a\u65f6\uff0c\u6b64\u4e2d\u95f4\u4ef6\u5c06\u6062\u590d\u670d\u52a1\u5668\uff0c\u4f7f\u7528\u5806\u6808\u8ddf\u8e2a\u8bb0\u5f55\u9519\u8bef\uff0c\u5e76\u5411\u5ba2\u6237\u7aef\u53d1\u9001 500 Internal Server Error\uff08500 \u5185\u90e8\u670d\u52a1\u5668\u9519\u8bef\uff09\u54cd\u5e94\u3002<\/p>\n
\u4e0a\u65b9\u4ee3\u7801\u4f1a\u8bbe\u7f6e\u4ee5\u4e0b\u8def\u7531\uff1a<\/p>\n