{"id":171935,"date":"2024-11-07T08:54:17","date_gmt":"2024-11-07T00:54:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171935\/"},"modified":"2024-11-07T08:54:18","modified_gmt":"2024-11-07T00:54:18","slug":"vb-%e5%ad%b8%e7%bf%92%e8%80%85%e5%bf%85%e8%ae%80%ef%bc%9a%e4%bf%ae%e6%94%b9-sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e7%9a%84%e6%96%b9%e6%b3%95-vb-%e5%a6%82%e4%bd%95%e4%bf%ae%e6%94%b9-sql","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171935\/","title":{"rendered":"VB \u5b78\u7fd2\u8005\u5fc5\u8b80\uff1a\u4fee\u6539 SQL \u6578\u64da\u5eab\u9023\u63a5\u7684\u65b9\u6cd5 (vb \u5982\u4f55\u4fee\u6539 sql \u6578\u64da\u5eab\u9023\u63a5)"},"content":{"rendered":"<h1 id=\"vb-%e5%ad%b8%e7%bf%92%e8%80%85%e5%bf%85%e8%ae%80%ef%bc%9a%e4%bf%ae%e6%94%b9-sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e7%9a%84%e6%96%b9%e6%b3%95-dquYSnadAT\">VB \u5b78\u7fd2\u8005\u5fc5\u8b80\uff1a\u4fee\u6539 SQL \u6578\u64da\u5eab\u9023\u63a5\u7684\u65b9\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u7d93\u6210\u70ba\u4e00\u500b\u4e0d\u53ef\u6216\u7f3a\u7684\u90e8\u5206\u3002\u5c0d\u65bc\u4f7f\u7528 Visual Basic (VB) \u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u80fd\u5920\u6709\u6548\u5730\u9023\u63a5\u548c\u64cd\u4f5c SQL \u6578\u64da\u5eab\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 VB \u4e2d\u4fee\u6539 SQL \u6578\u64da\u5eab\u7684\u9023\u63a5\uff0c\u5e6b\u52a9\u5b78\u7fd2\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%ef%bc%9f-dquYSnadAT\">\u4ec0\u9ebc\u662f SQL \u6578\u64da\u5eab\u9023\u63a5\uff1f<\/h2>\n<p>SQL \u6578\u64da\u5eab\u9023\u63a5\u662f\u6307\u61c9\u7528\u7a0b\u5e8f\u8207\u6578\u64da\u5eab\u4e4b\u9593\u7684\u901a\u4fe1\u6a4b\u6a11\u3002\u901a\u904e\u9019\u7a2e\u9023\u63a5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u57f7\u884c\u67e5\u8a62\u3001\u63d2\u5165\u6578\u64da\u3001\u66f4\u65b0\u6578\u64da\u4ee5\u53ca\u522a\u9664\u6578\u64da\u7b49\u64cd\u4f5c\u3002VB \u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5efa\u7acb\u548c\u4fee\u6539\u9019\u4e9b\u9023\u63a5\uff0c\u6700\u5e38\u7528\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 ADO.NET\u3002<\/p>\n<h2 id=\"%e5%bb%ba%e7%ab%8b-sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-dquYSnadAT\">\u5efa\u7acb SQL \u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u5728 VB \u4e2d\uff0c\u5efa\u7acb SQL \u6578\u64da\u5eab\u9023\u63a5\u901a\u5e38\u9700\u8981\u4f7f\u7528 <code>SqlConnection<\/code> \u985e\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5efa\u7acb\u4e00\u500b\u9023\u63a5\uff1a<\/p>\n<pre><code>\nImports System.Data.SqlClient\n\nDim connectionString As String = \"Server=your_server;Database=your_database;User Id=your_username;Password=your_password;\"\nDim connection As New SqlConnection(connectionString)\n\nTry\n    connection.Open()\n    Console.WriteLine(\"\u9023\u63a5\u6210\u529f\uff01\")\nCatch ex As Exception\n    Console.WriteLine(\"\u9023\u63a5\u5931\u6557\uff1a\" &amp; ex.Message)\nFinally\n    connection.Close()\nEnd Try\n<\/code><\/pre>\n<h2 id=\"%e4%bf%ae%e6%94%b9-sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-dquYSnadAT\">\u4fee\u6539 SQL \u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u4fee\u6539 SQL \u6578\u64da\u5eab\u7684\u9023\u63a5\uff0c\u4f8b\u5982\u66f4\u6539\u6578\u64da\u5eab\u540d\u7a31\u3001\u7528\u6236\u540d\u6216\u5bc6\u78bc\u3002\u9019\u53ef\u4ee5\u901a\u904e\u66f4\u65b0\u9023\u63a5\u5b57\u7b26\u4e32\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4fee\u6539\u9023\u63a5\u5b57\u7b26\u4e32\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nDim newConnectionString As String = \"Server=new_server;Database=new_database;User Id=new_username;Password=new_password;\"\nDim newConnection As New SqlConnection(newConnectionString)\n\nTry\n    newConnection.Open()\n    Console.WriteLine(\"\u65b0\u9023\u63a5\u6210\u529f\uff01\")\nCatch ex As Exception\n    Console.WriteLine(\"\u65b0\u9023\u63a5\u5931\u6557\uff1a\" &amp; ex.Message)\nFinally\n    newConnection.Close()\nEnd Try\n<\/code><\/pre>\n<h3 id=\"%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e7%b5%84%e6%88%90%e9%83%a8%e5%88%86-dquYSnadAT\">\u9023\u63a5\u5b57\u7b26\u4e32\u7684\u7d44\u6210\u90e8\u5206<\/h3>\n<p>\u9023\u63a5\u5b57\u7b26\u4e32\u901a\u5e38\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>Server<\/strong>: \u6307\u5b9a SQL \u4f3a\u670d\u5668\u7684\u5730\u5740\u3002<\/li>\n<li><strong>Database<\/strong>: \u6307\u5b9a\u8981\u9023\u63a5\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002<\/li>\n<li><strong>User Id<\/strong>: \u7528\u65bc\u8eab\u4efd\u9a57\u8b49\u7684\u7528\u6236\u540d\u3002<\/li>\n<li><strong>Password<\/strong>: \u7528\u6236\u7684\u5bc6\u78bc\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6%e7%ae%a1%e7%90%86%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2-dquYSnadAT\">\u4f7f\u7528\u914d\u7f6e\u6587\u4ef6\u7ba1\u7406\u9023\u63a5\u5b57\u7b26\u4e32<\/h2>\n<p>\u70ba\u4e86\u66f4\u65b9\u4fbf\u5730\u7ba1\u7406\u9023\u63a5\u5b57\u7b26\u4e32\uff0c\u5efa\u8b70\u5c07\u5176\u5b58\u5132\u5728\u61c9\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u4ee3\u78bc\u7684\u60c5\u6cc1\u4e0b\u8f15\u9b06\u66f4\u6539\u9023\u63a5\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728 VB.NET \u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\u9023\u63a5\u5b57\u7b26\u4e32\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n' App.config \u6587\u4ef6\u4e2d\u7684\u793a\u4f8b\n\n  \n    \n  \n\n<\/code><\/pre>\n<p>\u7136\u5f8c\u5728\u4ee3\u78bc\u4e2d\u53ef\u4ee5\u9019\u6a23\u8b80\u53d6\u9023\u63a5\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre><code>\nDim connectionString As String = ConfigurationManager.ConnectionStrings(\"MyConnectionString\").ConnectionString\nDim connection As New SqlConnection(connectionString)\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-dquYSnadAT\">\u7e3d\u7d50<\/h2>\n<p>\u5728 VB \u4e2d\u4fee\u6539 SQL \u6578\u64da\u5eab\u9023\u63a5\u662f\u4e00\u500b\u91cd\u8981\u7684\u6280\u80fd\uff0c\u7121\u8ad6\u662f\u958b\u767c\u65b0\u61c9\u7528\u9084\u662f\u7dad\u8b77\u73fe\u6709\u7cfb\u7d71\u3002\u901a\u904e\u7406\u89e3\u5982\u4f55\u5efa\u7acb\u548c\u4fee\u6539\u9023\u63a5\u5b57\u7b26\u4e32\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u548c\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u958b\u767c\u8005\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u6258\u7ba1\u6578\u64da\u5eab\u4e5f\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e6b\u52a9\u60a8\u5728 VB \u958b\u767c\u4e2d\u66f4\u597d\u5730\u8655\u7406 SQL \u6578\u64da\u5eab\u9023\u63a5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 VB \u4e2d\u4fee\u6539 SQL \u6578\u64da\u5eab\u9023\u63a5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u8207\u6027\u80fd\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-171935","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171935","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=171935"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171935\/revisions"}],"predecessor-version":[{"id":171936,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171935\/revisions\/171936"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}