{"id":61503,"date":"2024-10-13T11:36:19","date_gmt":"2024-10-13T03:36:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61503\/"},"modified":"2024-10-13T11:36:20","modified_gmt":"2024-10-13T03:36:20","slug":"go%e5%9c%a8%e9%85%b7%e7%8b%97%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e9%96%93%e4%bb%b6%e7%9a%84%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61503\/","title":{"rendered":"Go\u5728\u9177\u72d7\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u7684\u61c9\u7528"},"content":{"rendered":"<h1 id=\"go%e5%9c%a8%e9%85%b7%e7%8b%97%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e9%96%93%e4%bb%b6%e7%9a%84%e6%87%89%e7%94%a8-UhpewVmuye\">Go\u5728\u9177\u72d7\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u7684\u61c9\u7528<\/h1>\n<p>\u96a8\u8457\u6578\u64da\u5eab\u6280\u8853\u7684\u5feb\u901f\u767c\u5c55\uff0c\u8d8a\u4f86\u8d8a\u591a\u7684\u4f01\u696d\u958b\u59cb\u5c0b\u6c42\u9ad8\u6548\u3001\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u89e3\u6c7a\u65b9\u6848\u3002\u9177\u72d7\u97f3\u6a02\u4f5c\u70ba\u4e2d\u570b\u77e5\u540d\u7684\u97f3\u6a02\u5e73\u53f0\uff0c\u5176\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u7684\u61c9\u7528\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0eGo\u8a9e\u8a00\u5728\u9177\u72d7\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u4e2d\u7684\u61c9\u7528\uff0c\u4e26\u5206\u6790\u5176\u512a\u52e2\u53ca\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"go%e8%aa%9e%e8%a8%80%e7%9a%84%e7%89%b9%e9%bb%9e-UhpewVmuye\">Go\u8a9e\u8a00\u7684\u7279\u9ede<\/h2>\n<p>Go\u8a9e\u8a00\uff08\u53c8\u7a31Golang\uff09\u7531Google\u958b\u767c\uff0c\u56e0\u5176\u7c21\u6f54\u7684\u8a9e\u6cd5\u3001\u9ad8\u6548\u7684\u6027\u80fd\u548c\u826f\u597d\u7684\u4e26\u767c\u652f\u6301\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u4ee5\u4e0b\u662fGo\u8a9e\u8a00\u7684\u4e00\u4e9b\u4e3b\u8981\u7279\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u7684\u6027\u80fd\uff1a<\/strong>Go\u7de8\u8b6f\u70ba\u6a5f\u5668\u78bc\uff0c\u57f7\u884c\u901f\u5ea6\u5feb\uff0c\u9069\u5408\u9ad8\u6027\u80fd\u61c9\u7528\u3002<\/li>\n<li><strong>\u7c21\u6f54\u7684\u8a9e\u6cd5\uff1a<\/strong>Go\u7684\u8a9e\u6cd5\u7c21\u55ae\u6613\u5b78\uff0c\u964d\u4f4e\u4e86\u958b\u767c\u7684\u9580\u6abb\u3002<\/li>\n<li><strong>\u826f\u597d\u7684\u4e26\u767c\u652f\u6301\uff1a<\/strong>Go\u7684goroutine\u548cchannel\u4f7f\u5f97\u4e26\u767c\u7de8\u7a0b\u8b8a\u5f97\u7c21\u55ae\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%85%b7%e7%8b%97%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e9%96%93%e4%bb%b6%e7%9a%84%e9%9c%80%e6%b1%82-UhpewVmuye\">\u9177\u72d7\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u7684\u9700\u6c42<\/h2>\n<p>\u9177\u72d7\u97f3\u6a02\u7684\u7528\u6236\u6578\u91cf\u9f90\u5927\uff0c\u6578\u64da\u5eab\u7684\u8acb\u6c42\u91cf\u4e5f\u96a8\u4e4b\u589e\u52a0\u3002\u70ba\u4e86\u4fdd\u8b49\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u9ad8\u53ef\u7528\u6027\uff0c\u9177\u72d7\u9700\u8981\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u4f86\u8655\u7406\u5927\u91cf\u7684\u6578\u64da\u8acb\u6c42\u3002\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u8ca0\u8f09\u5747\u8861\uff1a<\/strong>\u5c07\u8acb\u6c42\u5206\u914d\u5230\u591a\u500b\u6578\u64da\u5eab\u5be6\u4f8b\uff0c\u6e1b\u5c11\u55ae\u4e00\u6578\u64da\u5eab\u7684\u58d3\u529b\u3002<\/li>\n<li><strong>\u6545\u969c\u8f49\u79fb\uff1a<\/strong>\u5728\u6578\u64da\u5eab\u6545\u969c\u6642\u81ea\u52d5\u5207\u63db\u5230\u5099\u7528\u6578\u64da\u5eab\uff0c\u4fdd\u8b49\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u3002<\/li>\n<li><strong>\u6578\u64da\u7de9\u5b58\uff1a<\/strong>\u901a\u904e\u7de9\u5b58\u5e38\u7528\u6578\u64da\uff0c\u63d0\u9ad8\u6578\u64da\u8b80\u53d6\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"go%e5%9c%a8%e9%85%b7%e7%8b%97%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e9%96%93%e4%bb%b6%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-UhpewVmuye\">Go\u5728\u9177\u72d7\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>\u9177\u72d7\u97f3\u6a02\u9078\u64c7Go\u8a9e\u8a00\u4f5c\u70ba\u5176\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u7684\u958b\u767c\u8a9e\u8a00\uff0c\u4e3b\u8981\u57fa\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<h3 id=\"1-%e9%ab%98%e6%80%a7%e8%83%bd-UhpewVmuye\">1. \u9ad8\u6027\u80fd<\/h3>\n<p>Go\u7684\u9ad8\u6548\u6027\u80fd\u4f7f\u5176\u80fd\u5920\u8655\u7406\u5927\u91cf\u7684\u4e26\u767c\u8acb\u6c42\uff0c\u9019\u5c0d\u65bc\u9177\u72d7\u97f3\u6a02\u9019\u6a23\u7684\u9ad8\u6d41\u91cf\u5e73\u53f0\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528goroutine\uff0cGo\u80fd\u5920\u8f15\u9b06\u5730\u7ba1\u7406\u6578\u5343\u500b\u4e26\u767c\u9023\u63a5\u3002<\/p>\n<h3 id=\"2-%e7%b0%a1%e5%96%ae%e7%9a%84%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-UhpewVmuye\">2. \u7c21\u55ae\u7684\u932f\u8aa4\u8655\u7406<\/h3>\n<p>Go\u8a9e\u8a00\u7684\u932f\u8aa4\u8655\u7406\u6a5f\u5236\u7c21\u55ae\u660e\u77ad\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u6355\u7372\u548c\u8655\u7406\u932f\u8aa4\uff0c\u9019\u5c0d\u65bc\u6578\u64da\u5eab\u64cd\u4f5c\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h3 id=\"3-%e5%85%a7%e5%bb%ba%e7%9a%84http%e6%94%af%e6%8c%81-UhpewVmuye\">3. \u5167\u5efa\u7684HTTP\u652f\u6301<\/h3>\n<p>Go\u8a9e\u8a00\u5167\u5efa\u7684HTTP\u5eab\u4f7f\u5f97\u69cb\u5efaRESTful API\u8b8a\u5f97\u7c21\u55ae\uff0c\u9019\u5c0d\u65bc\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u7684\u958b\u767c\u975e\u5e38\u6709\u5229\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-UhpewVmuye\">\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Go\u8a9e\u8a00\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Go\u4f86\u5be6\u73fe\u57fa\u672c\u7684\u6578\u64da\u5eab\u8acb\u6c42\u8655\u7406\uff1a<\/p>\n<pre><code>\npackage main\n\nimport (\n    \"database\/sql\"\n    \"fmt\"\n    \"log\"\n    \"net\/http\"\n    _ \"github.com\/go-sql-driver\/mysql\"\n)\n\nfunc dbHandler(w http.ResponseWriter, r *http.Request) {\n    db, err := sql.Open(\"mysql\", \"user:password@tcp(localhost:3306)\/dbname\")\n    if err != nil {\n        log.Fatal(err)\n    }\n    defer db.Close()\n\n    rows, err := db.Query(\"SELECT name FROM users\")\n    if err != nil {\n        log.Fatal(err)\n    }\n    defer rows.Close()\n\n    for rows.Next() {\n        var name string\n        if err := rows.Scan(&amp;name); err != nil {\n            log.Fatal(err)\n        }\n        fmt.Fprintf(w, \"User: %sn\", name)\n    }\n}\n\nfunc main() {\n    http.HandleFunc(\"\/users\", dbHandler)\n    log.Fatal(http.ListenAndServe(\":8080\", nil))\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-UhpewVmuye\">\u7d50\u8ad6<\/h2>\n<p>Go\u8a9e\u8a00\u5728\u9177\u72d7\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u4e2d\u7684\u61c9\u7528\uff0c\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\uff0c\u9084\u7c21\u5316\u4e86\u958b\u767c\u904e\u7a0b\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u6301\u7e8c\u589e\u9577\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u5c07\u6210\u70ba\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u4f01\u696d\u4f86\u8aaa\uff0cGo\u8a9e\u8a00\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Go\u5728\u9177\u72d7\u6578\u64da\u5eab\u4e2d\u9593\u4ef6\u4e2d\u7684\u61c9\u7528\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u5be6\u73fe\u9ad8\u6027\u80fd\u97f3\u6a02\u670d\u52d9\u5e73\u53f0\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61503","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=61503"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61503\/revisions"}],"predecessor-version":[{"id":61504,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61503\/revisions\/61504"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}