{"id":186584,"date":"2024-11-11T07:08:17","date_gmt":"2024-11-10T23:08:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186584\/"},"modified":"2024-11-11T07:08:18","modified_gmt":"2024-11-10T23:08:18","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9b%b4%e6%96%b0%e8%aa%9e%e5%8f%a5%e6%93%8d%e4%bd%9c%e6%b5%81%e7%a8%8b%e7%b0%a1%e4%bb%8b-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9b%b4%e6%96%b0%e8%aa%9e%e5%8f%a5%e6%ad%a5%e9%a9%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186584\/","title":{"rendered":"\u6578\u64da\u5eab\u66f4\u65b0\u8a9e\u53e5\u64cd\u4f5c\u6d41\u7a0b\u7c21\u4ecb (\u6578\u64da\u5eab\u66f4\u65b0\u8a9e\u53e5\u6b65\u9a5f)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9b%b4%e6%96%b0%e8%aa%9e%e5%8f%a5%e6%93%8d%e4%bd%9c%e6%b5%81%e7%a8%8b%e7%b0%a1%e4%bb%8b-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9b%b4%e6%96%b0%e8%aa%9e%e5%8f%a5%e6%ad%a5%e9%a9%9f-afFFJEXXcV\">\u6578\u64da\u5eab\u66f4\u65b0\u8a9e\u53e5\u64cd\u4f5c\u6d41\u7a0b\u7c21\u4ecb (\u6578\u64da\u5eab\u66f4\u65b0\u8a9e\u53e5\u6b65\u9a5f)<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u8207\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u6578\u64da\u5eab\u66f4\u65b0\u8a9e\u53e5\u662f\u7528\u4f86\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u73fe\u6709\u6578\u64da\u7684\u6307\u4ee4\uff0c\u9019\u4e9b\u6307\u4ee4\u901a\u5e38\u4ee5 SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u4f86\u7de8\u5beb\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u6578\u64da\u5eab\u66f4\u65b0\u8a9e\u53e5\u7684\u57fa\u672c\u64cd\u4f5c\u6d41\u7a0b\u53ca\u5176\u6b65\u9a5f\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u6709\u6548\u5730\u9032\u884c\u6578\u64da\u66f4\u65b0\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9b%b4%e6%96%b0%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-afFFJEXXcV\">\u6578\u64da\u5eab\u66f4\u65b0\u8a9e\u53e5\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u66f4\u65b0\u8a9e\u53e5\u4e3b\u8981\u7528\u65bc\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u5df2\u5b58\u5728\u7684\u8a18\u9304\u3002\u6700\u5e38\u898b\u7684\u66f4\u65b0\u8a9e\u53e5\u662f <code>UPDATE<\/code> \u8a9e\u53e5\u3002\u9019\u500b\u8a9e\u53e5\u5141\u8a31\u7528\u6236\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u4f86\u66f4\u65b0\u4e00\u500b\u6216\u591a\u500b\u8a18\u9304\u7684\u5b57\u6bb5\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE \u8868\u540d\nSET \u52171 = \u503c1, \u52172 = \u503c2, ...\nWHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>\u8868\u540d<\/code> \u662f\u8981\u66f4\u65b0\u7684\u6578\u64da\u8868\uff0c<code>SET<\/code> \u7528\u65bc\u6307\u5b9a\u8981\u66f4\u65b0\u7684\u5217\u53ca\u5176\u65b0\u503c\uff0c\u800c <code>WHERE<\/code> \u5b50\u53e5\u5247\u7528\u65bc\u6307\u5b9a\u54ea\u4e9b\u8a18\u9304\u9700\u8981\u88ab\u66f4\u65b0\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9b%b4%e6%96%b0%e8%aa%9e%e5%8f%a5%e7%9a%84%e6%93%8d%e4%bd%9c%e6%b5%81%e7%a8%8b-afFFJEXXcV\">\u6578\u64da\u5eab\u66f4\u65b0\u8a9e\u53e5\u7684\u64cd\u4f5c\u6d41\u7a0b<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e7%a2%ba%e5%ae%9a%e8%a6%81%e6%9b%b4%e6%96%b0%e7%9a%84%e6%95%b8%e6%93%9a-afFFJEXXcV\">\u6b65\u9a5f\u4e00\uff1a\u78ba\u5b9a\u8981\u66f4\u65b0\u7684\u6578\u64da<\/h3>\n<p>\u5728\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u660e\u78ba\u8981\u66f4\u65b0\u7684\u6578\u64da\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u67e5\u8a62\u6578\u64da\u5eab\u4ee5\u7372\u53d6\u7576\u524d\u6578\u64da\u7684\u72c0\u614b\u3002\u53ef\u4ee5\u4f7f\u7528 <code>SELECT<\/code> \u8a9e\u53e5\u4f86\u6aa2\u7d22\u76f8\u95dc\u8a18\u9304\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM \u8868\u540d WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u9032\u884c\u66f4\u65b0\u4e4b\u524d\uff0c\u60a8\u5df2\u7d93\u4e86\u89e3\u4e86\u9700\u8981\u4fee\u6539\u7684\u6578\u64da\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e7%b7%a8%e5%af%ab%e6%9b%b4%e6%96%b0%e8%aa%9e%e5%8f%a5-afFFJEXXcV\">\u6b65\u9a5f\u4e8c\uff1a\u7de8\u5beb\u66f4\u65b0\u8a9e\u53e5<\/h3>\n<p>\u78ba\u5b9a\u4e86\u8981\u66f4\u65b0\u7684\u6578\u64da\u5f8c\uff0c\u63a5\u4e0b\u4f86\u5c31\u662f\u7de8\u5beb <code>UPDATE<\/code> \u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>UPDATE \u54e1\u5de5\nSET \u8077\u4f4d = '\u7d93\u7406', \u85aa\u6c34 = 60000\nWHERE \u54e1\u5de5ID = 123;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u54e1\u5de5ID\u70ba123\u7684\u54e1\u5de5\u7684\u8077\u4f4d\u66f4\u65b0\u70ba\u201c\u7d93\u7406\u201d\uff0c\u85aa\u6c34\u66f4\u65b0\u70ba60000\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e5%9f%b7%e8%a1%8c%e6%9b%b4%e6%96%b0%e8%aa%9e%e5%8f%a5-afFFJEXXcV\">\u6b65\u9a5f\u4e09\uff1a\u57f7\u884c\u66f4\u65b0\u8a9e\u53e5<\/h3>\n<p>\u7de8\u5beb\u597d\u66f4\u65b0\u8a9e\u53e5\u5f8c\uff0c\u53ef\u4ee5\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\u57f7\u884c\u8a72\u8a9e\u53e5\u3002\u57f7\u884c\u5f8c\uff0c\u7cfb\u7d71\u6703\u8fd4\u56de\u53d7\u5f71\u97ff\u7684\u8a18\u9304\u6578\u91cf\uff0c\u9019\u6709\u52a9\u65bc\u78ba\u8a8d\u66f4\u65b0\u662f\u5426\u6210\u529f\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e9%a9%97%e8%ad%89%e6%9b%b4%e6%96%b0%e7%b5%90%e6%9e%9c-afFFJEXXcV\">\u6b65\u9a5f\u56db\uff1a\u9a57\u8b49\u66f4\u65b0\u7d50\u679c<\/h3>\n<p>\u66f4\u65b0\u64cd\u4f5c\u5b8c\u6210\u5f8c\uff0c\u5efa\u8b70\u518d\u6b21\u4f7f\u7528 <code>SELECT<\/code> \u8a9e\u53e5\u4f86\u6aa2\u67e5\u66f4\u65b0\u7d50\u679c\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5df2\u6b63\u78ba\u4fee\u6539\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM \u54e1\u5de5 WHERE \u54e1\u5de5ID = 123;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u8a8d\u54e1\u5de5ID\u70ba123\u7684\u8a18\u9304\u662f\u5426\u5df2\u7d93\u6309\u7167\u9810\u671f\u9032\u884c\u4e86\u66f4\u65b0\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-afFFJEXXcV\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u4f7f\u7528 <code>WHERE<\/code> \u5b50\u53e5\u6642\u8981\u7279\u5225\u5c0f\u5fc3\uff0c\u907f\u514d\u4e0d\u5c0f\u5fc3\u66f4\u65b0\u4e86\u6240\u6709\u8a18\u9304\u3002<\/li>\n<li>\u5728\u5927\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u66f4\u65b0\u64cd\u4f5c\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u61c9\u8003\u616e\u5728\u4f4e\u5cf0\u6642\u6bb5\u9032\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-afFFJEXXcV\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u66f4\u65b0\u8a9e\u53e5\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u64cd\u4f5c\uff0c\u6b63\u78ba\u7684\u4f7f\u7528\u53ef\u4ee5\u6709\u6548\u5730\u7dad\u8b77\u548c\u7ba1\u7406\u6578\u64da\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u9032\u884c\u6578\u64da\u66f4\u65b0\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u5b8c\u6574\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u63d0\u5347\u60a8\u7684\u696d\u52d9\u904b\u884c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u6578\u64da\u5eab\u66f4\u65b0\u8a9e\u53e5\u7684\u64cd\u4f5c\u6d41\u7a0b\uff0c\u638c\u63e1\u6b65\u9a5f\u8207\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u6027\u8207\u4e00\u81f4\u6027\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-186584","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186584","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=186584"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186584\/revisions"}],"predecessor-version":[{"id":186585,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186584\/revisions\/186585"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}