{"id":166481,"date":"2024-11-05T16:29:04","date_gmt":"2024-11-05T08:29:04","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166481\/"},"modified":"2024-11-05T16:29:05","modified_gmt":"2024-11-05T08:29:05","slug":"%e5%bf%ab%e9%80%9f%e5%85%a5%e9%96%80%ef%bc%9a%e4%bd%bf%e7%94%a8ado-net%e6%b7%bb%e5%8a%a0%e6%95%b8%e6%93%9a%e5%ba%ab-ado-net-%e6%b7%bb%e5%8a%a0%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166481\/","title":{"rendered":"\u5feb\u901f\u5165\u9580\uff1a\u4f7f\u7528ADO.NET\u6dfb\u52a0\u6578\u64da\u5eab (ado.net \u6dfb\u52a0\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%bf%ab%e9%80%9f%e5%85%a5%e9%96%80%ef%bc%9a%e4%bd%bf%e7%94%a8ado-net%e6%b7%bb%e5%8a%a0%e6%95%b8%e6%93%9a%e5%ba%ab-HOSRpocFrp\">\u5feb\u901f\u5165\u9580\uff1a\u4f7f\u7528ADO.NET\u6dfb\u52a0\u6578\u64da\u5eab<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002ADO.NET\u4f5c\u70ba.NET\u6846\u67b6\u7684\u4e00\u90e8\u5206\uff0c\u63d0\u4f9b\u4e86\u4e00\u5957\u5f37\u5927\u7684\u5de5\u5177\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528ADO.NET\u4f86\u6dfb\u52a0\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u4e0a\u624b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afado-net%ef%bc%9f-HOSRpocFrp\">\u4ec0\u9ebc\u662fADO.NET\uff1f<\/h2>\n<p>ADO.NET\u662f\u4e00\u500b\u7528\u65bc\u6578\u64da\u8a2a\u554f\u7684API\uff0c\u5141\u8a31\u958b\u767c\u8005\u5728.NET\u61c9\u7528\u7a0b\u5e8f\u4e2d\u8207\u5404\u7a2e\u6578\u64da\u6e90\u9032\u884c\u4ea4\u4e92\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u5305\u62ecSQL Server\u3001Oracle\u3001MySQL\u7b49\u3002ADO.NET\u7684\u6838\u5fc3\u7d44\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>Connection<\/strong>\uff1a\u7528\u65bc\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002<\/li>\n<li><strong>Command<\/strong>\uff1a\u7528\u65bc\u57f7\u884cSQL\u8a9e\u53e5\u6216\u5b58\u5132\u904e\u7a0b\u3002<\/li>\n<li><strong>DataReader<\/strong>\uff1a\u7528\u65bc\u4ee5\u53ea\u8b80\u65b9\u5f0f\u8b80\u53d6\u6578\u64da\u3002<\/li>\n<li><strong>DataSet<\/strong>\uff1a\u7528\u65bc\u5728\u5167\u5b58\u4e2d\u5b58\u5132\u6578\u64da\u7684\u96c6\u5408\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b7%bb%e5%8a%a0%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%ad%a5%e9%a9%9f-HOSRpocFrp\">\u6dfb\u52a0\u6578\u64da\u5eab\u7684\u6b65\u9a5f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528ADO.NET\u6dfb\u52a0\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-HOSRpocFrp\">1. \u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528SqlConnection\u985e\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u5efa\u7acb\u9023\u63a5\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>using System.Data.SqlClient;\n\n\/\/ \u5b9a\u7fa9\u9023\u63a5\u5b57\u7b26\u4e32\nstring connectionString = \"Server=your_server;Database=master;Integrated Security=True;\";\n\n\/\/ \u5efa\u7acb\u9023\u63a5\nusing (SqlConnection connection = new SqlConnection(connectionString))\n{\n    connection.Open();\n    \/\/ \u9023\u63a5\u6210\u529f\n}<\/code><\/pre>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-HOSRpocFrp\">2. \u5275\u5efa\u6578\u64da\u5eab<\/h3>\n<p>\u4e00\u65e6\u9023\u63a5\u6210\u529f\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528SqlCommand\u4f86\u57f7\u884c\u5275\u5efa\u6578\u64da\u5eab\u7684SQL\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>string createDatabaseQuery = \"CREATE DATABASE MyNewDatabase\";\n\nusing (SqlCommand command = new SqlCommand(createDatabaseQuery, connection))\n{\n    command.ExecuteNonQuery();\n    \/\/ \u6578\u64da\u5eab\u5275\u5efa\u6210\u529f\n}<\/code><\/pre>\n<h3 id=\"3-%e9%a9%97%e8%ad%89%e6%95%b8%e6%93%9a%e5%ba%ab%e6%98%af%e5%90%a6%e5%89%b5%e5%bb%ba%e6%88%90%e5%8a%9f-HOSRpocFrp\">3. \u9a57\u8b49\u6578\u64da\u5eab\u662f\u5426\u5275\u5efa\u6210\u529f<\/h3>\n<p>\u60a8\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u7cfb\u7d71\u6578\u64da\u5eab\u4f86\u9a57\u8b49\u65b0\u6578\u64da\u5eab\u662f\u5426\u5df2\u6210\u529f\u5275\u5efa\uff1a<\/p>\n<pre><code>string checkDatabaseQuery = \"SELECT name FROM sys.databases WHERE name = 'MyNewDatabase'\";\n\nusing (SqlCommand command = new SqlCommand(checkDatabaseQuery, connection))\n{\n    var result = command.ExecuteScalar();\n    if (result != null)\n    {\n        \/\/ \u6578\u64da\u5eab\u5b58\u5728\n    }\n}<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-HOSRpocFrp\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528ADO.NET\u6dfb\u52a0\u6578\u64da\u5eab\u6642\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u60a8\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u5275\u5efa\u6578\u64da\u5eab\u3002<\/li>\n<li>\u4f7f\u7528\u9069\u7576\u7684\u9023\u63a5\u5b57\u7b26\u4e32\uff0c\u4ee5\u78ba\u4fdd\u9023\u63a5\u5230\u6b63\u78ba\u7684\u6578\u64da\u5eab\u670d\u52d9\u5668\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u8acb\u8003\u616e\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u4ee5\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HOSRpocFrp\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528ADO.NET\u6dfb\u52a0\u6578\u64da\u5eab\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u5e7e\u500b\u6b65\u9a5f\u5373\u53ef\u5b8c\u6210\u3002\u901a\u904e\u5efa\u7acb\u9023\u63a5\u3001\u57f7\u884cSQL\u547d\u4ee4\u548c\u9a57\u8b49\u7d50\u679c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u548c\u670d\u52d9\u5668\u81f3\u95dc\u91cd\u8981\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\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u61c9\u7528\uff0c\u60a8\u90fd\u53ef\u4ee5\u5728\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4e0a\u627e\u5230\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u5165\u9580\u6307\u5357\uff0c\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528ADO.NET\u8f15\u9b06\u6dfb\u52a0\u6578\u64da\u5eab\uff0c\u63d0\u5347\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\u6578\u64da\u7ba1\u7406\u80fd\u529b\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-166481","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166481","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=166481"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166481\/revisions"}],"predecessor-version":[{"id":166482,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166481\/revisions\/166482"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=166481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=166481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=166481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}