{"id":61157,"date":"2024-10-13T08:54:15","date_gmt":"2024-10-13T00:54:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61157\/"},"modified":"2024-10-13T08:54:15","modified_gmt":"2024-10-13T00:54:15","slug":"delphi%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e7%99%bc%e5%af%a6%e8%b8%90%ef%bc%9a%e5%bf%ab%e9%80%9f%e9%82%81%e5%90%91%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86-delphi%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61157\/","title":{"rendered":"Delphi\u6578\u64da\u5eab\u958b\u767c\u5be6\u8e10\uff1a\u5feb\u901f\u9081\u5411\u9ad8\u6548\u6578\u64da\u7ba1\u7406 (delphi\u6578\u64da\u5eab\u958b\u767c\u5be6\u2026)"},"content":{"rendered":"<h1 id=\"delphi%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e7%99%bc%e5%af%a6%e8%b8%90%ef%bc%9a%e5%bf%ab%e9%80%9f%e9%82%81%e5%90%91%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86-pOQXFlKyxj\">Delphi\u6578\u64da\u5eab\u958b\u767c\u5be6\u8e10\uff1a\u5feb\u901f\u9081\u5411\u9ad8\u6548\u6578\u64da\u7ba1\u7406<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u958b\u767c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Delphi\u4f5c\u70ba\u4e00\u7a2e\u5f37\u5927\u7684\u958b\u767c\u5de5\u5177\uff0c\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u80fd\u529b\u3002\u672c\u6587\u5c07\u63a2\u8a0eDelphi\u6578\u64da\u5eab\u958b\u767c\u7684\u5be6\u8e10\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u9081\u5411\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u3002<\/p>\n<h2 id=\"delphi%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%95%b4%e5%90%88-pOQXFlKyxj\">Delphi\u8207\u6578\u64da\u5eab\u7684\u6574\u5408<\/h2>\n<p>Delphi\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bcMySQL\u3001SQLite\u3001Oracle\u548cMicrosoft SQL Server\u3002\u9019\u4e9b\u6578\u64da\u5eab\u7684\u6574\u5408\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u6839\u64da\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h3 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-pOQXFlKyxj\">\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u5728Delphi\u4e2d\uff0c\u9023\u63a5\u6578\u64da\u5eab\u901a\u5e38\u4f7f\u7528TSQLConnection\u6216TADOConnection\u7d44\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528TSQLConnection\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>var\n  SQLConnection: TSQLConnection;\nbegin\n  SQLConnection := TSQLConnection.Create(nil);\n  try\n    SQLConnection.DriverName := 'MySQL';\n    SQLConnection.Params.Values['HostName'] := 'localhost';\n    SQLConnection.Params.Values['Database'] := 'testdb';\n    SQLConnection.Params.Values['User_Name'] := 'root';\n    SQLConnection.Params.Values['Password'] := 'password';\n    SQLConnection.Open;\n  finally\n    SQLConnection.Free;\n  end;\nend;<\/code><\/pre>\n<h2 id=\"%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c-pOQXFlKyxj\">\u6578\u64da\u64cd\u4f5c<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u9032\u884c\u6578\u64da\u7684\u589e\u522a\u6539\u67e5\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u64cd\u4f5c\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-pOQXFlKyxj\">\u63d2\u5165\u6578\u64da<\/h3>\n<pre><code>var\n  SQLQuery: TSQLQuery;\nbegin\n  SQLQuery := TSQLQuery.Create(nil);\n  try\n    SQLQuery.SQLConnection := SQLConnection;\n    SQLQuery.SQL.Text := 'INSERT INTO users (name, age) VALUES (:name, :age)';\n    SQLQuery.ParamByName('name').AsString := 'John Doe';\n    SQLQuery.ParamByName('age').AsInteger := 30;\n    SQLQuery.ExecSQL;\n  finally\n    SQLQuery.Free;\n  end;\nend;<\/code><\/pre>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-pOQXFlKyxj\">\u67e5\u8a62\u6578\u64da<\/h3>\n<pre><code>var\n  SQLQuery: TSQLQuery;\n  UserName: string;\nbegin\n  SQLQuery := TSQLQuery.Create(nil);\n  try\n    SQLQuery.SQLConnection := SQLConnection;\n    SQLQuery.SQL.Text := 'SELECT name FROM users WHERE age &gt; :age';\n    SQLQuery.ParamByName('age').AsInteger := 25;\n    SQLQuery.Open;\n    while not SQLQuery.Eof do\n    begin\n      UserName := SQLQuery.FieldByName('name').AsString;\n      \/\/ \u8655\u7406\u7528\u6236\u540d\n      SQLQuery.Next;\n    end;\n  finally\n    SQLQuery.Free;\n  end;\nend;<\/code><\/pre>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-pOQXFlKyxj\">\u6578\u64da\u5eab\u6027\u80fd\u512a\u5316<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u958b\u767c\u6642\uff0c\u6027\u80fd\u512a\u5316\u662f\u4e0d\u53ef\u5ffd\u8996\u7684\u4e00\u74b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u512a\u5316\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\uff1a<\/strong>\u70ba\u5e38\u7528\u7684\u67e5\u8a62\u5b57\u6bb5\u5efa\u7acb\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\u7528EXPLAIN\u8a9e\u53e5\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u9023\u63a5\u6c60\uff1a<\/strong>\u4f7f\u7528\u9023\u63a5\u6c60\u6280\u8853\uff0c\u6e1b\u5c11\u9023\u63a5\u6578\u64da\u5eab\u7684\u958b\u92b7\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-pOQXFlKyxj\">\u7d50\u8ad6<\/h2>\n<p>Delphi\u6578\u64da\u5eab\u958b\u767c\u63d0\u4f9b\u4e86\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u6b63\u78ba\u7684\u9023\u63a5\u3001\u6578\u64da\u64cd\u4f5c\u548c\u6027\u80fd\u512a\u5316\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u69cb\u5efa\u51fa\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u7cfb\u7d71\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u6301\u7e8c\u5b78\u7fd2\u548c\u5be6\u8e10\u5c07\u662f\u63d0\u5347\u958b\u767c\u6280\u80fd\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\uff0c\u63a2\u7d22\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\uff0c\u52a9\u60a8\u5728\u6578\u64da\u5eab\u958b\u767c\u4e2d\u53d6\u5f97\u66f4\u5927\u6210\u529f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Delphi\u6578\u64da\u5eab\u958b\u767c\u5be6\u8e10\uff0c\u5feb\u901f\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u8655\u7406\u8207\u61c9\u7528\u958b\u767c\u7684\u6700\u4f73\u89e3\u6c7a\u65b9\u6848\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-61157","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61157","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=61157"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61157\/revisions"}],"predecessor-version":[{"id":61158,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61157\/revisions\/61158"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}