{"id":61141,"date":"2024-10-13T08:46:15","date_gmt":"2024-10-13T00:46:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61141\/"},"modified":"2024-10-13T08:46:15","modified_gmt":"2024-10-13T00:46:15","slug":"delphi%e6%8a%80%e8%a1%93%ef%bc%9a%e5%a6%82%e4%bd%95%e6%93%8d%e4%bd%9c%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%96%ae%e6%a2%9d%e6%95%b8%e6%93%9a%ef%bc%9f-delphi-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a2%9d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61141\/","title":{"rendered":"Delphi\u6280\u8853\uff1a\u5982\u4f55\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u55ae\u689d\u6578\u64da\uff1f (delphi \u6578\u64da\u5eab\u689d\u6578\u64da)"},"content":{"rendered":"

Delphi\u6280\u8853\uff1a\u5982\u4f55\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u55ae\u689d\u6578\u64da\uff1f<\/h1>\n

\u5728\u73fe\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002Delphi\u4f5c\u70ba\u4e00\u7a2e\u5f37\u5927\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u64cd\u4f5c\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Delphi\u6280\u8853\u4f86\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u55ae\u689d\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

Delphi\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5<\/h2>\n

\u5728\u958b\u59cb\u64cd\u4f5c\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002Delphi\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bcMySQL\u3001SQLite\u3001Oracle\u7b49\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528FireDAC\u7d44\u4ef6\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

uses\n  FireDAC.Comp.Client, FireDAC.Stan.Def, FireDAC.Stan.Async, FireDAC.DApt;\n\nvar\n  Connection: TFDConnection;\nbegin\n  Connection := TFDConnection.Create(nil);\n  try\n    Connection.DriverName := 'MySQL';\n    Connection.Params.Add('Database=your_database_name');\n    Connection.Params.Add('User_Name=your_username');\n    Connection.Params.Add('Password=your_password');\n    Connection.Params.Add('Server=your_server_address');\n    Connection.Connected := True;\n  finally\n    Connection.Free;\n  end;\nend;<\/code><\/pre>\n
\u67e5\u8a62\u55ae\u689d\u6578\u64da<\/h2>\n
\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u5c31\u53ef\u4ee5\u9032\u884c\u67e5\u8a62\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u55ae\u689d\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n
var\n  Query: TFDQuery;\n  Result: string;\nbegin\n  Query := TFDQuery.Create(nil);\n  try\n    Query.Connection := Connection; \/\/ \u4f7f\u7528\u4e4b\u524d\u5efa\u7acb\u7684\u9023\u63a5\n    Query.SQL.Text := 'SELECT name FROM users WHERE id = :id';\n    Query.ParamByName('id').AsInteger := 1; \/\/ \u5047\u8a2d\u6211\u5011\u8981\u67e5\u8a62ID\u70ba1\u7684\u7528\u6236\n    Query.Open;\n\n    if not Query.IsEmpty then\n      Result := Query.FieldByName('name').AsString; \/\/ \u7372\u53d6\u7528\u6236\u540d\u7a31\n  finally\n    Query.Free;\n  end;\nend;<\/code><\/pre>\n
\u66f4\u65b0\u55ae\u689d\u6578\u64da<\/h2>\n
\u9664\u4e86\u67e5\u8a62\uff0cDelphi\u9084\u53ef\u4ee5\u7528\u4f86\u66f4\u65b0\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u66f4\u65b0\u55ae\u689d\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n
begin\n  Query.SQL.Text := 'UPDATE users SET name = :name WHERE id = :id';\n  Query.ParamByName('name').AsString := '\u65b0\u7528\u6236\u540d\u7a31';\n  Query.ParamByName('id').AsInteger := 1; \/\/ \u66f4\u65b0ID\u70ba1\u7684\u7528\u6236\n  Query.ExecSQL; \/\/ \u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\nend;<\/code><\/pre>\n
\u522a\u9664\u55ae\u689d\u6578\u64da<\/h2>\n
\u522a\u9664\u6578\u64da\u7684\u64cd\u4f5c\u540c\u6a23\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u522a\u9664\u55ae\u689d\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n
begin\n  Query.SQL.Text := 'DELETE FROM users WHERE id = :id';\n  Query.ParamByName('id').AsInteger := 1; \/\/ \u522a\u9664ID\u70ba1\u7684\u7528\u6236\n  Query.ExecSQL; \/\/ \u57f7\u884c\u522a\u9664\u64cd\u4f5c\nend;<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u793a\u4f8b\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230Delphi\u5728\u64cd\u4f5c\u6578\u64da\u5eab\u55ae\u689d\u6578\u64da\u65b9\u9762\u7684\u9748\u6d3b\u6027\u548c\u5f37\u5927\u529f\u80fd\u3002\u7121\u8ad6\u662f\u67e5\u8a62\u3001\u66f4\u65b0\u9084\u662f\u522a\u9664\uff0cDelphi\u90fd\u80fd\u5920\u8f15\u9b06\u61c9\u5c0d\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u548c\u6280\u8853\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684Delphi\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Delphi\u6280\u8853\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u64cd\u4f5c\u6578\u64da\u5eab\u4e2d\u7684\u55ae\u689d\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u8207\u61c9\u7528\u958b\u767c\u80fd\u529b\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-61141","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61141","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=61141"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61141\/revisions"}],"predecessor-version":[{"id":61142,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61141\/revisions\/61142"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}