{"id":194693,"date":"2024-11-13T08:47:17","date_gmt":"2024-11-13T00:47:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194693\/"},"modified":"2024-11-13T08:47:18","modified_gmt":"2024-11-13T00:47:18","slug":"%e7%ae%a1%e7%90%86%e7%b3%bb%e7%b5%b1%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c%e6%8a%80%e5%b7%a7-%e6%9c%8d%e5%8b%99%e5%99%a8%e7%ab%af%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194693\/","title":{"rendered":"\u7ba1\u7406\u7cfb\u7d71\u7684\u57fa\u672c\u64cd\u4f5c\u6280\u5de7 (\u670d\u52d9\u5668\u7aef\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e7%ae%a1%e7%90%86%e7%b3%bb%e7%b5%b1%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c%e6%8a%80%e5%b7%a7-%e6%9c%8d%e5%8b%99%e5%99%a8%e7%ab%af%e6%95%b8%e6%93%9a%e5%ba%ab-rXZnUrakjz\">\u7ba1\u7406\u7cfb\u7d71\u7684\u57fa\u672c\u64cd\u4f5c\u6280\u5de7 (\u670d\u52d9\u5668\u7aef\u6578\u64da\u5eab)<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u5728\u5404\u7a2e\u61c9\u7528\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u7121\u8ad6\u662f\u4f01\u696d\u7684\u5ba2\u6236\u8cc7\u6599\u3001\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u7684\u4ea4\u6613\u8a18\u9304\uff0c\u9084\u662f\u793e\u4ea4\u5a92\u9ad4\u7684\u7528\u6236\u4e92\u52d5\uff0c\u6578\u64da\u5eab\u90fd\u5728\u80cc\u5f8c\u652f\u6301\u8457\u9019\u4e9b\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u57fa\u672c\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u6280\u5de7\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u670d\u52d9\u5668\u7aef\u7684\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e6%a7%8b-rXZnUrakjz\">1. \u7406\u89e3\u6578\u64da\u5eab\u7d50\u69cb<\/h2>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u6578\u64da\u5eab\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u6578\u64da\u5eab\u7684\u7d50\u69cb\u3002\u6578\u64da\u5eab\u901a\u5e38\u7531\u8868\uff08tables\uff09\u3001\u884c\uff08rows\uff09\u548c\u5217\uff08columns\uff09\u7d44\u6210\u3002\u6bcf\u500b\u8868\u4ee3\u8868\u4e00\u500b\u5be6\u9ad4\uff0c\u4f8b\u5982\u7528\u6236\u6216\u7522\u54c1\uff0c\u800c\u884c\u5247\u4ee3\u8868\u5177\u9ad4\u7684\u6578\u64da\u8a18\u9304\uff0c\u5217\u5247\u5b9a\u7fa9\u4e86\u6578\u64da\u7684\u5c6c\u6027\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a-rXZnUrakjz\">\u793a\u4f8b\uff1a<\/h3>\n<pre><code>\nCREATE TABLE Users (\n    UserID INT PRIMARY KEY,\n    UserName VARCHAR(100),\n    Email VARCHAR(100)\n);\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u78bc\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba\u201cUsers\u201d\u7684\u8868\uff0c\u5305\u542b\u4e09\u500b\u5217\uff1aUserID\u3001UserName\u548cEmail\u3002<\/p>\n<h2 id=\"2-%e5%9f%ba%e6%9c%ac%e7%9a%84%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c-rXZnUrakjz\">2. \u57fa\u672c\u7684\u6578\u64da\u64cd\u4f5c<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u57fa\u672c\u64cd\u4f5c\u4e3b\u8981\u5305\u62ec\u589e\uff08INSERT\uff09\u3001\u522a\uff08DELETE\uff09\u3001\u6539\uff08UPDATE\uff09\u548c\u67e5\uff08SELECT\uff09\u3002\u9019\u4e9b\u64cd\u4f5c\u901a\u5e38\u88ab\u7a31\u70baCRUD\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"2-1-%e5%a2%9e%e5%8a%a0%e6%95%b8%e6%93%9a-rXZnUrakjz\">2.1 \u589e\u52a0\u6578\u64da<\/h3>\n<pre><code>\nINSERT INTO Users (UserID, UserName, Email) VALUES (1, 'Alice', 'alice@example.com');\n<\/code><\/pre>\n<h3 id=\"2-2-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-rXZnUrakjz\">2.2 \u67e5\u8a62\u6578\u64da<\/h3>\n<pre><code>\nSELECT * FROM Users WHERE UserID = 1;\n<\/code><\/pre>\n<h3 id=\"2-3-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-rXZnUrakjz\">2.3 \u66f4\u65b0\u6578\u64da<\/h3>\n<pre><code>\nUPDATE Users SET Email = 'alice_new@example.com' WHERE UserID = 1;\n<\/code><\/pre>\n<h3 id=\"2-4-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-rXZnUrakjz\">2.4 \u522a\u9664\u6578\u64da<\/h3>\n<pre><code>\nDELETE FROM Users WHERE UserID = 1;\n<\/code><\/pre>\n<p>\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u6838\u5fc3\uff0c\u719f\u7df4\u638c\u63e1\u9019\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7-rXZnUrakjz\">3. \u6578\u64da\u5eab\u7684\u5b89\u5168\u6027<\/h2>\n<p>\u5728\u7ba1\u7406\u670d\u52d9\u5668\u7aef\u6578\u64da\u5eab\u6642\uff0c\u5b89\u5168\u6027\u662f\u4e0d\u53ef\u5ffd\u8996\u7684\u56e0\u7d20\u3002\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u5f0f\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u5f37\u5bc6\u78bc\uff1a<\/strong>\u70ba\u6578\u64da\u5eab\u7528\u6236\u8a2d\u7f6e\u5f37\u5bc6\u78bc\uff0c\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002<\/li>\n<li><strong>\u5b9a\u671f\u5099\u4efd\uff1a<\/strong>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6578\u64da\u4e1f\u5931\u6216\u640d\u58de\u3002<\/li>\n<li><strong>\u6b0a\u9650\u7ba1\u7406\uff1a<\/strong>\u6839\u64da\u7528\u6236\u7684\u89d2\u8272\u8a2d\u7f6e\u4e0d\u540c\u7684\u8a2a\u554f\u6b0a\u9650\uff0c\u9650\u5236\u654f\u611f\u6578\u64da\u7684\u8a2a\u554f\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-rXZnUrakjz\">4. \u6578\u64da\u5eab\u6027\u80fd\u512a\u5316<\/h2>\n<p>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u7684\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\uff1a<\/strong>\u70ba\u5e38\u7528\u7684\u67e5\u8a62\u5b57\u6bb5\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u67e5\u8a62\u512a\u5316\uff1a<\/strong>\u4f7f\u7528\u9ad8\u6548\u7684\u67e5\u8a62\u8a9e\u53e5\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5168\u8868\u6383\u63cf\u3002<\/li>\n<li><strong>\u5b9a\u671f\u7dad\u8b77\uff1a<\/strong>\u5b9a\u671f\u9032\u884c\u6578\u64da\u5eab\u7684\u7dad\u8b77\uff0c\u5982\u91cd\u5efa\u7d22\u5f15\u548c\u6e05\u7406\u7121\u7528\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-rXZnUrakjz\">\u7e3d\u7d50<\/h2>\n<p>\u638c\u63e1\u670d\u52d9\u5668\u7aef\u6578\u64da\u5eab\u7684\u57fa\u672c\u64cd\u4f5c\u6280\u5de7\u5c0d\u65bc\u4efb\u4f55\u5e0c\u671b\u6709\u6548\u7ba1\u7406\u6578\u64da\u7684\u7528\u6236\u4f86\u8aaa\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5f9e\u7406\u89e3\u6578\u64da\u5eab\u7d50\u69cb\u5230\u57f7\u884c\u57fa\u672c\u7684CRUD\u64cd\u4f5c\uff0c\u518d\u5230\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u6027\u80fd\u512a\u5316\uff0c\u9019\u4e9b\u90fd\u662f\u65e5\u5e38\u7ba1\u7406\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u90e8\u5206\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\uff0c\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u670d\u52d9\u5668\u548c\u6578\u64da\u5eab\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1\u7ba1\u7406\u7cfb\u7d71\u7684\u57fa\u672c\u64cd\u4f5c\u6280\u5de7\uff0c\u63d0\u5347\u670d\u52d9\u5668\u7aef\u6578\u64da\u5eab\u7684\u6548\u7387\u8207\u5b89\u5168\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u7ba1\u7406\u7684\u6700\u4f73\u5be6\u8e10\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-194693","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194693","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=194693"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194693\/revisions"}],"predecessor-version":[{"id":194694,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194693\/revisions\/194694"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}