{"id":171383,"date":"2024-11-07T02:17:16","date_gmt":"2024-11-06T18:17:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171383\/"},"modified":"2024-11-07T02:17:16","modified_gmt":"2024-11-06T18:17:16","slug":"vb-%e7%b7%a8%e7%a8%8b%e5%af%a6%e7%8f%be%e7%94%9f%e6%88%90-5-%e5%80%8b%e4%b8%8d%e9%87%8d%e8%a4%87%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab-vb-%e7%94%a2%e7%94%9f-5-%e5%80%8b%e4%b8%8d%e9%87%8d%e8%a4%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171383\/","title":{"rendered":"VB \u7de8\u7a0b\u5be6\u73fe\u751f\u6210 5 \u500b\u4e0d\u91cd\u8907\u7684\u6578\u64da\u5eab (vb \u7522\u751f 5 \u500b\u4e0d\u91cd\u8907\u7684\u6578\u64da\u5eab)"},"content":{"rendered":"

VB \u7de8\u7a0b\u5be6\u73fe\u751f\u6210 5 \u500b\u4e0d\u91cd\u8907\u7684\u6578\u64da\u5eab<\/h1>\n

\u5728\u73fe\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u751f\u6210\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7279\u5225\u662f\u5728\u4f7f\u7528 Visual Basic (VB) \u9032\u884c\u958b\u767c\u6642\uff0c\u80fd\u5920\u6709\u6548\u5730\u751f\u6210\u4e0d\u91cd\u8907\u7684\u6578\u64da\u5eab\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 VB \u7de8\u7a0b\u4f86\u751f\u6210 5 \u500b\u4e0d\u91cd\u8907\u7684\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n

\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u3001\u7ba1\u7406\u548c\u6aa2\u7d22\u4fe1\u606f\u3002\u6578\u64da\u5eab\u53ef\u4ee5\u662f\u95dc\u4fc2\u578b\u7684\uff08\u5982 MySQL\u3001SQL Server\uff09\u6216\u975e\u95dc\u4fc2\u578b\u7684\uff08\u5982 MongoDB\uff09\u3002\u5728 VB \u7de8\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e ADO.NET \u6216\u5176\u4ed6\u6578\u64da\u8a2a\u554f\u6280\u8853\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002<\/p>\n

\u751f\u6210\u4e0d\u91cd\u8907\u6578\u64da\u5eab\u7684\u9700\u6c42<\/h2>\n

\u5728\u67d0\u4e9b\u61c9\u7528\u5834\u666f\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u751f\u6210\u591a\u500b\u4e0d\u91cd\u8907\u7684\u6578\u64da\u5eab\u3002\u4f8b\u5982\uff0c\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u5275\u5efa\u591a\u500b\u6578\u64da\u5eab\u4f86\u9032\u884c\u4e0d\u540c\u7684\u6e2c\u8a66\uff0c\u800c\u9019\u4e9b\u6578\u64da\u5eab\u5fc5\u9808\u5f7c\u6b64\u7368\u7acb\u4e14\u4e0d\u91cd\u8907\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u6578\u64da\u885d\u7a81\u548c\u6df7\u6dc6\u3002<\/p>\n

\u4f7f\u7528 VB \u7de8\u7a0b\u751f\u6210\u4e0d\u91cd\u8907\u7684\u6578\u64da\u5eab<\/h2>\n

\u4ee5\u4e0b\u662f\u4f7f\u7528 VB.NET \u751f\u6210 5 \u500b\u4e0d\u91cd\u8907\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

    \n
  1. \u8a2d\u7f6e\u6578\u64da\u5eab\u9023\u63a5\u5b57\u7b26\u4e32\u3002<\/li>\n
  2. \u6aa2\u67e5\u6578\u64da\u5eab\u662f\u5426\u5df2\u5b58\u5728\u3002<\/li>\n
  3. \u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u5275\u5efa\u65b0\u7684\u6578\u64da\u5eab\u3002<\/li>\n
  4. \u91cd\u8907\u4ee5\u4e0a\u6b65\u9a5f\u76f4\u5230\u751f\u6210 5 \u500b\u4e0d\u91cd\u8907\u7684\u6578\u64da\u5eab\u3002<\/li>\n<\/ol>\n

    \u4ee3\u78bc\u793a\u4f8b<\/h3>\n
    \nImports System.Data.SqlClient\n\nModule Module1\n    Sub Main()\n        Dim connectionString As String = \"Server=your_server;Integrated Security=true;\"\n        Dim dbNames As New HashSet(Of String)()\n        Dim dbCount As Integer = 0\n\n        While dbCount < 5\n            Dim dbName As String = "Database_" & Guid.NewGuid().ToString("N").Substring(0, 8)\n\n            If dbNames.Add(dbName) Then\n                CreateDatabase(connectionString, dbName)\n                dbCount += 1\n                Console.WriteLine("\u5275\u5efa\u6578\u64da\u5eab: " & dbName)\n            End If\n        End While\n    End Sub\n\n    Sub CreateDatabase(connectionString As String, dbName As String)\n        Using connection As New SqlConnection(connectionString)\n            connection.Open()\n            Dim command As New SqlCommand("CREATE DATABASE " & dbName, connection)\n            command.ExecuteNonQuery()\n        End Using\n    End Sub\nEnd Module\n<\/code><\/pre>\n
    \u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 HashSet<\/code> \u4f86\u5b58\u5132\u5df2\u751f\u6210\u7684\u6578\u64da\u5eab\u540d\u7a31\uff0c\u4ee5\u78ba\u4fdd\u6bcf\u500b\u540d\u7a31\u90fd\u662f\u552f\u4e00\u7684\u3002\u901a\u904e\u4f7f\u7528 Guid.NewGuid()<\/code> \u65b9\u6cd5\uff0c\u6211\u5011\u53ef\u4ee5\u751f\u6210\u4e00\u500b\u96a8\u6a5f\u7684\u6578\u64da\u5eab\u540d\u7a31\uff0c\u4e26\u5728\u5275\u5efa\u6578\u64da\u5eab\u4e4b\u524d\u6aa2\u67e5\u5176\u662f\u5426\u5df2\u5b58\u5728\u3002<\/p>\n
    \u7e3d\u7d50<\/h2>\n
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