{"id":194345,"date":"2024-11-13T05:53:16","date_gmt":"2024-11-12T21:53:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194345\/"},"modified":"2024-11-13T05:53:17","modified_gmt":"2024-11-12T21:53:17","slug":"%e6%98%93%e8%aa%9e%e8%a8%80%e5%a6%82%e4%bd%95%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a-%e6%98%93%e8%aa%9e%e8%a8%80%e6%80%8e%e9%ba%bc%e4%bf%ae%e6%94%b9%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194345\/","title":{"rendered":"\u6613\u8a9e\u8a00\u5982\u4f55\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da (\u6613\u8a9e\u8a00\u600e\u9ebc\u4fee\u6539\u6578\u64da\u5eab\u5167\u5bb9)"},"content":{"rendered":"<h1 id=\"%e6%98%93%e8%aa%9e%e8%a8%80%e5%a6%82%e4%bd%95%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a-RiWntMglwi\">\u6613\u8a9e\u8a00\u5982\u4f55\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u6613\u8a9e\u8a00\u4f5c\u70ba\u4e00\u7a2e\u7c21\u55ae\u6613\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528\u6613\u8a9e\u8a00\u4f86\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-RiWntMglwi\">\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u548c\u7ba1\u7406\u4fe1\u606f\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5305\u62ec MySQL\u3001SQL Server \u548c SQLite \u7b49\u3002\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u53ef\u4ee5\u901a\u904e SQL \u8a9e\u8a00\u9032\u884c\u67e5\u8a62\u548c\u4fee\u6539\u3002\u6613\u8a9e\u8a00\u652f\u6301\u8207\u9019\u4e9b\u6578\u64da\u5eab\u7684\u4ea4\u4e92\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e6%98%93%e8%aa%9e%e8%a8%80%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%80%a3%e6%8e%a5-RiWntMglwi\">\u6613\u8a9e\u8a00\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5<\/h2>\n<p>\u5728\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u6613\u8a9e\u8a00\u9023\u63a5 MySQL \u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>\nDB = \u65b0\u5efa \u6570\u636e\u5e93\u8fde\u63a5\nDB.\u8fde\u63a5(\"localhost\", \"username\", \"password\", \"database_name\")\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u60a8\u9700\u8981\u66ff\u63db &#8220;localhost&#8221;\u3001&#8221;username&#8221;\u3001&#8221;password&#8221; \u548c &#8220;database_name&#8221; \u70ba\u60a8\u7684\u6578\u64da\u5eab\u4fe1\u606f\u3002\u6210\u529f\u9023\u63a5\u5f8c\uff0c\u60a8\u5c31\u53ef\u4ee5\u958b\u59cb\u9032\u884c\u6578\u64da\u64cd\u4f5c\u4e86\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c-RiWntMglwi\">\u4fee\u6539\u6578\u64da\u7684\u57fa\u672c\u64cd\u4f5c<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u4fee\u6539\u6578\u64da\u901a\u5e38\u4f7f\u7528 SQL \u7684 UPDATE \u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u6613\u8a9e\u8a00\u4fee\u6539\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nsql = \"UPDATE users SET age = 30 WHERE name = 'John'\"\nDB.\u57f7\u884c(sql)\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u540d\u70ba &#8220;John&#8221; \u7684\u7528\u6236\u7684\u5e74\u9f61\u66f4\u65b0\u70ba 30\u3002\u57f7\u884c\u9019\u6bb5\u4ee3\u78bc\u5f8c\uff0c\u6578\u64da\u5eab\u4e2d\u7684\u76f8\u61c9\u8a18\u9304\u5c07\u88ab\u66f4\u65b0\u3002<\/p>\n<h2 id=\"%e8%99%95%e7%90%86%e9%8c%af%e8%aa%a4%e5%92%8c%e7%95%b0%e5%b8%b8-RiWntMglwi\">\u8655\u7406\u932f\u8aa4\u548c\u7570\u5e38<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u8655\u7406\u932f\u8aa4\u548c\u7570\u5e38\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u6613\u8a9e\u8a00\u63d0\u4f9b\u4e86\u932f\u8aa4\u8655\u7406\u7684\u6a5f\u5236\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u6355\u7372\u548c\u8655\u7406\u7570\u5e38\u60c5\u6cc1\u3002\u4ee5\u4e0b\u662f\u932f\u8aa4\u8655\u7406\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\ntry\n    DB.\u57f7\u884c(sql)\ncatch\n    \u8f93\u51fa(\"\u6578\u64da\u5eab\u64cd\u4f5c\u5931\u6557\uff1a\" + \u9519\u8bef\u4fe1\u606f)\nend\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u6355\u7372\u57f7\u884c SQL \u8a9e\u53e5\u6642\u53ef\u80fd\u51fa\u73fe\u7684\u932f\u8aa4\uff0c\u4e26\u8f38\u51fa\u76f8\u61c9\u7684\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-RiWntMglwi\">\u7d50\u8ad6<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u7684\u4ecb\u7d39\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230\uff0c\u6613\u8a9e\u8a00\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002\u7121\u8ad6\u662f\u5efa\u7acb\u9023\u63a5\u3001\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\uff0c\u9084\u662f\u8655\u7406\u932f\u8aa4\uff0c\u6613\u8a9e\u8a00\u90fd\u80fd\u5920\u8f15\u9b06\u61c9\u5c0d\u3002\u96a8\u8457\u6578\u64da\u5eab\u6280\u8853\u7684\u767c\u5c55\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5c07\u5c0d\u958b\u767c\u8005\u7684\u5de5\u4f5c\u5927\u6709\u88e8\u76ca\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u4e0a\u904b\u884c\u6578\u64da\u5eab\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u6e90\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528\u6613\u8a9e\u8a00\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u638c\u63e1\u57fa\u672c\u64cd\u4f5c\u548c\u6280\u5de7\uff0c\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u5167\u5bb9\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-194345","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194345","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=194345"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194345\/revisions"}],"predecessor-version":[{"id":194346,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194345\/revisions\/194346"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}