{"id":145157,"date":"2024-11-01T10:13:25","date_gmt":"2024-11-01T02:13:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/145157\/"},"modified":"2024-11-01T10:13:26","modified_gmt":"2024-11-01T02:13:26","slug":"vb-%e6%80%8e%e9%ba%bc%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%9f%e8%a9%b3%e8%a7%a3%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e4%b8%b2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/145157\/","title":{"rendered":"VB \u600e\u9ebc\u9023\u63a5\u6578\u64da\u5eab\u5b57\u7b26\u4e32\uff1f\u8a73\u89e3\u9023\u63a5\u6578\u64da\u5eab\u5b57\u7b26\u4e32\u7684\u6b65\u9a5f (vb \u9023\u63a5\u6578\u64da\u5eab\u5b57\u7b26\u4e32)"},"content":{"rendered":"<h1 id=\"vb-%e6%80%8e%e9%ba%bc%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%9f%e8%a9%b3%e8%a7%a3%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e4%b8%b2-uTfykZXJnw\">VB \u600e\u9ebc\u9023\u63a5\u6578\u64da\u5eab\u5b57\u7b26\u4e32\uff1f\u8a73\u89e3\u9023\u63a5\u6578\u64da\u5eab\u5b57\u7b26\u4e32\u7684\u6b65\u9a5f<\/h1>\n<p>\u5728\u958b\u767c\u61c9\u7528\u7a0b\u5e8f\u6642\uff0c\u9023\u63a5\u6578\u64da\u5eab\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e00\u6b65\u3002Visual Basic\uff08VB\uff09\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u9023\u63a5\u6578\u64da\u5eab\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728 VB \u4e2d\u4f7f\u7528\u6578\u64da\u5eab\u5b57\u7b26\u4e32\u9032\u884c\u9023\u63a5\uff0c\u4e26\u63d0\u4f9b\u5177\u9ad4\u7684\u6b65\u9a5f\u548c\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%9f-uTfykZXJnw\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u5b57\u7b26\u4e32\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u5b57\u7b26\u4e32\u662f\u4e00\u7a2e\u7528\u65bc\u63cf\u8ff0\u5982\u4f55\u9023\u63a5\u5230\u6578\u64da\u5eab\u7684\u5b57\u7b26\u4e32\u3002\u5b83\u5305\u542b\u4e86\u6578\u64da\u5eab\u7684\u985e\u578b\u3001\u4f4d\u7f6e\u3001\u7528\u6236\u540d\u3001\u5bc6\u78bc\u7b49\u4fe1\u606f\u3002\u9019\u4e9b\u4fe1\u606f\u901a\u5e38\u4ee5\u7279\u5b9a\u7684\u683c\u5f0f\u7d44\u7e54\uff0c\u4ee5\u4fbf\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u6b63\u78ba\u89e3\u6790\u4e26\u5efa\u7acb\u9023\u63a5\u3002<\/p>\n<h2 id=\"vb-%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%ad%a5%e9%a9%9f-uTfykZXJnw\">VB \u4e2d\u7684\u6578\u64da\u5eab\u9023\u63a5\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e5%bc%95%e5%85%a5%e5%bf%85%e8%a6%81%e7%9a%84%e5%91%bd%e5%90%8d%e7%a9%ba%e9%96%93-uTfykZXJnw\">1. \u5f15\u5165\u5fc5\u8981\u7684\u547d\u540d\u7a7a\u9593<\/h3>\n<p>\u5728 VB \u4e2d\uff0c\u9996\u5148\u9700\u8981\u5f15\u5165\u5fc5\u8981\u7684\u547d\u540d\u7a7a\u9593\uff0c\u4ee5\u4fbf\u4f7f\u7528\u6578\u64da\u5eab\u9023\u63a5\u7684\u529f\u80fd\u3002\u5c0d\u65bc\u4f7f\u7528 ADO.NET \u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u901a\u5e38\u9700\u8981\u5f15\u5165\u4ee5\u4e0b\u547d\u540d\u7a7a\u9593\uff1a<\/p>\n<pre><code>Imports System.Data\nImports System.Data.SqlClient<\/code><\/pre>\n<h3 id=\"2-%e6%a7%8b%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2-uTfykZXJnw\">2. \u69cb\u5efa\u6578\u64da\u5eab\u9023\u63a5\u5b57\u7b26\u4e32<\/h3>\n<p>\u6578\u64da\u5eab\u9023\u63a5\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u53d6\u6c7a\u65bc\u6240\u4f7f\u7528\u7684\u6578\u64da\u5eab\u985e\u578b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u6578\u64da\u5eab\u7684\u9023\u63a5\u5b57\u7b26\u4e32\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li><strong>SQL Server:<\/strong> <code>Server=myServerAddress;Database=myDataBase;User Id=myUsername;Password=myPassword;<\/code><\/li>\n<li><strong>MySQL:<\/strong> <code>Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;<\/code><\/li>\n<li><strong>Oracle:<\/strong> <code>User Id=myUsername;Password=myPassword;Data Source=myOracleDB;<\/code><\/li>\n<\/ul>\n<p>\u6839\u64da\u60a8\u7684\u6578\u64da\u5eab\u914d\u7f6e\uff0c\u66ff\u63db\u4e0a\u8ff0\u5b57\u7b26\u4e32\u4e2d\u7684\u76f8\u61c9\u90e8\u5206\u3002<\/p>\n<h3 id=\"3-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e5%b0%8d%e8%b1%a1-uTfykZXJnw\">3. \u5275\u5efa\u6578\u64da\u5eab\u9023\u63a5\u5c0d\u8c61<\/h3>\n<p>\u4f7f\u7528\u9023\u63a5\u5b57\u7b26\u4e32\u5275\u5efa\u4e00\u500b\u6578\u64da\u5eab\u9023\u63a5\u5c0d\u8c61\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728 VB \u4e2d\u5275\u5efa SQL Server \u9023\u63a5\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>Dim connectionString As String = \"Server=myServerAddress;Database=myDataBase;User Id=myUsername;Password=myPassword;\"\nDim connection As New SqlConnection(connectionString)<\/code><\/pre>\n<h3 id=\"4-%e6%89%93%e9%96%8b%e9%80%a3%e6%8e%a5-uTfykZXJnw\">4. \u6253\u958b\u9023\u63a5<\/h3>\n<p>\u5728\u5275\u5efa\u9023\u63a5\u5c0d\u8c61\u5f8c\uff0c\u60a8\u9700\u8981\u6253\u958b\u9023\u63a5\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8abf\u7528 <code>Open()<\/code> \u65b9\u6cd5\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>Try\n    connection.Open()\n    ' \u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\nCatch ex As Exception\n    Console.WriteLine(\"\u9023\u63a5\u5931\u6557: \" &amp; ex.Message)\nFinally\n    connection.Close()\nEnd Try<\/code><\/pre>\n<h3 id=\"5-%e5%9f%b7%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-uTfykZXJnw\">5. \u57f7\u884c\u6578\u64da\u5eab\u64cd\u4f5c<\/h3>\n<p>\u4e00\u65e6\u9023\u63a5\u6210\u529f\uff0c\u60a8\u5c31\u53ef\u4ee5\u57f7\u884c\u5404\u7a2e\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u4f8b\u5982\u67e5\u8a62\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>Dim command As New SqlCommand(\"SELECT * FROM myTable\", connection)\nDim reader As SqlDataReader = command.ExecuteReader()\n\nWhile reader.Read()\n    Console.WriteLine(reader(\"ColumnName\").ToString())\nEnd While<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-uTfykZXJnw\">\u7e3d\u7d50<\/h2>\n<p>\u5728 VB \u4e2d\u9023\u63a5\u6578\u64da\u5eab\u5b57\u7b26\u4e32\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\uff0c\u901a\u904e\u6b63\u78ba\u7684\u6b65\u9a5f\u548c\u683c\u5f0f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u8207\u5404\u7a2e\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u7121\u8ad6\u662f\u958b\u767c\u684c\u9762\u61c9\u7528\u7a0b\u5e8f\u9084\u662f Web \u61c9\u7528\u7a0b\u5e8f\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u6280\u80fd\u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728VB\u4e2d\u9023\u63a5\u6578\u64da\u5eab\u5b57\u7b26\u4e32\uff0c\u8a73\u89e3\u6b65\u9a5f\u8207\u6280\u5de7\uff0c\u52a9\u60a8\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u9023\u63a5\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-145157","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/145157","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=145157"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/145157\/revisions"}],"predecessor-version":[{"id":145158,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/145157\/revisions\/145158"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=145157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=145157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=145157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}