{"id":1474,"date":"2023-02-13T08:59:53","date_gmt":"2023-02-13T00:59:53","guid":{"rendered":"http:\/\/www.algmain.com\/?page_id=1474"},"modified":"2023-02-13T13:52:52","modified_gmt":"2023-02-13T05:52:52","slug":"clr-c","status":"publish","type":"page","link":"http:\/\/www.algmain.com\/index.php\/nlp-history\/basic-work\/clr-c\/","title":{"rendered":"CLR C#"},"content":{"rendered":"\n

\u672c\u7bc7\u6587\u7ae0\u7684\u4e3b\u8981\u76ee\u7684\u5c31\u662f\u8981\u4ecb\u7ecd\u57fa\u4e8eCLR C#\u7684\u7f16\u7a0b\u4e0e\u5f00\u53d1\u3002\u8fd9\u91cc\u4e0d\u4f1a\u4ece\u57fa\u7840\u77e5\u8bc6\u8bb2\u8d77\uff0c\u800c\u662f\u544a\u8bc9\u5404\u4f4d\u8bfb\u8005\u5982\u4f55\u642d\u5efa\u5feb\u901f\u6709\u6548\u7684\u5f00\u53d1\u901a\u9053\uff0c\u907f\u514d\u53cd\u590d\u5b9e\u9a8c\u5bfc\u81f4\u6d6a\u8d39\u5f88\u591a\u7cbe\u529b\u548c\u65f6\u95f4\u3002\u81f3\u4e8e\u4e3a\u4ec0\u4e48\u9009\u62e9SQLServer\uff0c\u65b0\u6765\u7684\u8bfb\u8005\u53ef\u4ee5\u53c2\u8003\u201c\u9009\u62e9\u5de5\u4f5c\u5e73\u53f0<\/a>\u201d\u4e2d\u7684\u76f8\u5173\u89e3\u91ca\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u4e3a\u4ec0\u4e48\u9009\u62e9CLR C#\uff0c\u800c\u4e0d\u662f\u91c7\u7528\u4f20\u7edf\u7684\u5b58\u50a8\u8fc7\u7a0b\u5f00\u53d1\uff0c\u6216\u8005SQLServer\u5916\u63a5\u5176\u4ed6\u5f00\u53d1\u73af\u5883\uff08\u4f8b\u5982\uff1aC++\uff0cPython\uff0cJava\u7b49\u7b49\uff09\u8fdb\u884c\u5f00\u53d1\uff0c\u6709\u5982\u4e0b\u51e0\u70b9\u539f\u56e0\uff1a<\/p>\n\n\n\n

\uff081\uff09\u4f20\u7edf\u7684\u5b58\u50a8\u8fc7\u7a0b\u6548\u7387\u4f4e\u4e0b\u3002
\u4ee5\u6700\u7b80\u5355\u7684\u7edf\u8ba1\u539f\u59cb\u8bed\u6599\u7684\u6c49\u5b57\u9891\u6b21\u6765\u8bf4\uff0c1000\u591a\u4e07\u6761\u539f\u59cb\u6570\u636e\u8981\u5904\u7406\u597d\u51e0\u4e2a\u5c0f\u65f6\u3002\u5982\u679c\u91c7\u7528\u5e76\u884c\u5904\u7406\uff0c\u7ebf\u7a0b\u8fc7\u591a\u540e\u5219\u5bb9\u6613\u51fa\u73b0\u6b7b\u9501\u3002\u800c\u4e14\u6548\u7387\u63d0\u9ad8\u5e76\u4e0d\u660e\u663e\u3002<\/p>\n\n\n\n

\uff082\uff09SQLServer\u5916\u63a5\u5176\u4ed6\u5f00\u53d1\u73af\u5883\u6548\u7387\u4e00\u6837\u4f4e\u4e0b\u3002
\u4e3b\u8981\u539f\u56e0\u662f\u5916\u63a5\u6570\u636e\u901a\u9053\u9700\u8981\u6d88\u8017\u65f6\u95f4\u3002\u7531\u4e8e\u5916\u63a5\u73af\u5883\u4e0eSQLServer\u65e0\u6cd5\u5d4c\u5165\u4e00\u4f53\uff0c\u5728\u9879\u76ee\u7ef4\u62a4\u4e0a\u4e5f\u4f1a\u591a\u51fa\u5f88\u591a\u9ebb\u70e6\u3002<\/p>\n\n\n\n

\uff083\uff09CLR C#\u6548\u7387\u975e\u5e38\u9ad8\uff0c\u4e14\u4e0eSQLServer\u975e\u5e38\u642d\u914d\u3002
CLR C#\u5185\u53ef\u4ee5\u76f4\u63a5\u8c03\u7528\u5185\u5b58\u6765\u8fdb\u884c\u7edf\u8ba1\u548c\u6570\u5b66\u8ba1\u7b97\uff0c\u7136\u540e\u5c06\u6570\u636e\u7ed3\u679c\u518d\u5b58\u5165\u6570\u636e\u5e93\u4e4b\u4e2d\u3002\u7531\u4e8e\u76f4\u63a5\u5185\u5d4c\u5728SQLServer\u4e4b\u5185\uff0c\u56e0\u6b64\u901a\u8baf\u4e0a\u4f1a\u8282\u7ea6\u5f88\u591a\u65f6\u95f4\u3002\u8fd8\u662f\u4ee5\u7edf\u8ba1\u539f\u59cb\u8bed\u6599\u7684\u6c49\u5b57\u9891\u6b21\u6765\u8bf4\uff0c1000\u591a\u4e07\u6761\u539f\u59cb\u6570\u636e\u572890\u79d2\u5de6\u53f3\u5c31\u53ef\u4ee5\u5904\u7406\u5b8c\u6bd5\uff0c\u53ef\u4ee5\u8bf4\u4f18\u52bf\u975e\u5e38\u660e\u663e\u3002<\/p>\n\n\n\n

\u5f53\u7136CLR C#\u5e76\u975e\u5b8c\u5168\u6ca1\u6709\u7f3a\u70b9\uff0c\u8fd9\u91cc\u540c\u6837\u8981\u8bf4\u660e\u5982\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n

\uff081\uff09\u8c03\u8bd5\u56f0\u96be
CLR C#\u5982\u679c\u51fa\u73b0\u95ee\u9898\uff0c\u8c03\u8bd5\u51e0\u4e4e\u4e0d\u53ef\u80fd\u3002\u867d\u7136\u5fae\u8f6f\u7ed9\u51fa\u4e86\u5e94\u5bf9\u65b9\u6848\uff0c\u4f46\u662f\u7ecf\u8fc7\u5b9e\u9645\u6d4b\u8bd5\uff0c\u6548\u679c\u5e76\u4e0d\u597d\u3002\u56e0\u6b64\uff0c\u53ea\u80fd\u501f\u52a9\u4f20\u7edf\u7684\u201c\u6253\u5370\u8f93\u51fa\u201d\u6a21\u5f0f\u3002\u7531\u4e8eCLR C#\u7684\u9650\u5236\uff0c\u201c\u6253\u5370\u8f93\u51fa\u201d\u4e5f\u4e0d\u662f\u76f4\u63a5\u8c03\u7528\u6253\u5370\u8f93\u51fa\u51fd\u6570\uff0c\u9700\u8981\u81ea\u5df1\u5b9e\u73b0\u60f3\u529e\u6cd5\u201c\u6253\u5370\u8f93\u51fa\u201d\u3002\u4f8b\u5982\uff1a\u628a\u4e2d\u95f4\u8fc7\u7a0b\u5b58\u5165\u5185\u5b58\u6216\u8005\u6570\u636e\u5e93\u4e4b\u4e2d\uff0c\u8fd0\u884c\u7ed3\u675f\u540e\uff0c\u518d\u53bb\u67e5\u770b\u3002<\/p>\n\n\n\n

\uff082\uff09\u5185\u5b58\u7ba1\u7406\u95ee\u9898
CLR C#\u51fd\u6570\u90fd\u662f\u5168\u5c40\u9759\u6001\u51fd\u6570\u548c\u5bf9\u8c61\u3002SQLServer\u8fd0\u884c\u671f\u95f4\u4f1a\u4e00\u76f4\u9a7b\u7559\u5728\u5185\u5b58\u4e4b\u4e2d\uff0c\u5373\u4f7f\u91cd\u65b0\u6ce8\u518cDLL\uff0c\u4e5f\u6539\u53d8\u4e0d\u4e86\u9759\u6001\u5bf9\u8c61\u7684\u72b6\u6001\u3002\u56e0\u6b64\u5728CLR C#\u4e2d\u6240\u4f7f\u7528\u7684\u5185\u5b58\u5b58\u50a8\uff0c\u5982\u679c\u6ca1\u5fc5\u8981\u4fdd\u7559\uff0c\u8981\u6ce8\u610f\u53ca\u65f6\u6e05\u7a7a\u3002\u5426\u5219\u53ef\u80fd\u4f1a\u5b58\u5728\u5f88\u5927\u7684\u5185\u5b58\u6cc4\u9732\u9690\u60a3\u3002<\/p>\n\n\n\n

\uff083\uff09\u5b89\u5168\u95ee\u9898
CLR C#\u7531\u4e8e\u76f4\u63a5\u5d4c\u5165\u5230\u6570\u636e\u5e93\u4e4b\u4e2d\uff0c\u4f1a\u5b58\u5728\u5b89\u5168\u9690\u60a3\uff08\u62a2\u5360\u548c\u6b7b\u9501\uff0c\u5c1a\u672a\u6d4b\u8bd5\uff09\u3002\u5f53\u7136\u5bf9\u4e8e\u5355\u673a\u7248\u7528\u6237\u6765\u8bf4\uff0c\u8fd9\u4e2a\u51e0\u4e4e\u4e0d\u662f\u95ee\u9898\u3002\u5982\u679c\u8bd5\u56fe\u8fd0\u884c\u5728\u66f4\u52a0\u590d\u6742\u7684\u73af\u5883\u4e2d\uff0c\u5b89\u5168\u95ee\u9898\u662f\u9700\u8981\u4ed4\u7ec6\u8003\u8651\u7684\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5c06\u9879\u76ee\u7684\u5b89\u5168\u7ea7\u522b\u8c03\u6574\u4e3aUNSAFE\u3002<\/p>\n\n\n\n

\u642d\u5efaCLR C#\u73af\u5883<\/h2>\n\n\n\n

\u4e0b\u9762\u7b80\u5355\u4ecb\u7ecd\u4e0b\u5982\u4f55\u642d\u5efaCLR C#\u73af\u5883\u3002\u8fd9\u91cc\u4ee5Visual Studio 2022\u548cSQL Server 2019\u4e3a\u4f8b\u3002<\/p>\n\n\n\n

\uff081\uff09\u6253\u5f00Visual Studio 2022\uff0c\u9009\u62e9\u5efa\u7acb\u65b0\u9879\u76ee\u3002<\/h4>\n\n\n\n
\"\"
\u56fe2 \u521b\u5efa\u65b0\u9879\u76ee<\/figcaption><\/figure>\n\n\n\n

\u5728\u521b\u5efa\u65b0\u9879\u76ee\u65f6\uff0c\u76f4\u63a5\u5728\u641c\u7d22\u680f\u91cc\u9762\u8f93\u5165SQL\uff0c\u5c31\u4f1a\u663e\u793a\u51fa\u201cSQL Server \u6570\u636e\u5e93\u9879\u76ee\u201d\u3002\u4ee5\u6b64\u4e3a\u57fa\u7840\u5efa\u7acb\u65b0\u9879\u76ee\u3002\u5982\u679c\u53d1\u73b0\u627e\u4e0d\u5230\uff0c\u90a3\u4e48\u68c0\u67e5\u4e00\u4e0bVisual Studio\u662f\u5426\u6709\u6a21\u5757\u6ca1\u6709\u5b89\u88c5\u3002<\/p>\n\n\n\n

\uff082\uff09\u65b0\u6dfb\u4ee3\u7801\u6587\u4ef6<\/h4>\n\n\n\n
\"\"
\u56fe3 \u65b0\u6dfb\u4ee3\u7801\u6587\u4ef6<\/figcaption><\/figure>\n\n\n\n

\u9009\u62e9\u5bf9\u5e94\u7684\u9879\u76ee\uff0c\u5e76\u65b0\u6dfb\u4ee3\u7801\u6587\u4ef6\u3002\u4e3a\u4e86\u4fdd\u8bc1\u80fd\u591f\u6b63\u5e38\u7f16\u8bd1\uff0c\u9700\u8981\u8865\u5145\u76f8\u5173\u7684\u5f15\u7528\u3002<\/p>\n\n\n\n

\"\"
\u56fe4 \u8865\u5145\u76f8\u5173\u7684\u5f15\u7528<\/figcaption><\/figure>\n\n\n\n

\u8865\u5145\u5b8c\u76f8\u5173\u5f15\u7528\u540e\uff0c\u5c31\u53ef\u4ee5\u6b63\u5e38\u751f\u6210\u4e86\u3002\u4f46\u662f\u8fd8\u4e0d\u80fd\u53d1\u5e03\u3002<\/p>\n\n\n\n

\uff083\uff09\u53d1\u5e03CLR C#\u6587\u4ef6<\/h4>\n\n\n\n

\u5728\u5bf9\u5e94\u9879\u76ee\u7684Debug\u76ee\u5f55\u4e2d\uff0c\u53ef\u4ee5\u627e\u5230DLL\u6587\u4ef6\u3002\u9700\u8981\u5c06\u8fd9\u4e2aDLL\u6587\u4ef6\u53d1\u5e03\u5230SQL Server 2019\u4e2d\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u624b\u5de5\u64cd\u4f5c\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7Visual Studio 2022\u53d1\u5e03\u3002\u5f53\u7136\u540e\u8005\u66f4\u52a0\u65b9\u4fbf\u3002<\/p>\n\n\n\n

\u4e3a\u4e86\u4fdd\u8bc1\u80fd\u591f\u987a\u5229\u53d1\u5e03\uff0c\u9700\u8981\u589e\u52a0\u4e00\u6bb5\u53d1\u5e03\u524d\u7684\u7528\u6237\u811a\u672c\u3002<\/p>\n\n\n

\n\/*\n \u9884\u5148\u90e8\u7f72\u811a\u672c\u6a21\u677f\t\t\t\t\t\t\t\n--------------------------------------------------------------------------------------\n \u6b64\u6587\u4ef6\u5305\u542b\u5c06\u5728\u751f\u6210\u811a\u672c\u4e4b\u524d\u6267\u884c\u7684 SQL \u8bed\u53e5\u3002\t\n \u4f7f\u7528 SQLCMD \u8bed\u6cd5\u5c06\u6587\u4ef6\u5305\u542b\u5728\u9884\u5148\u90e8\u7f72\u811a\u672c\u4e2d\u3002\t\t\t\n \u793a\u4f8b:      :r .\\myfile.sql\t\t\t\t\t\t\t\t\n \u4f7f\u7528 SQLCMD \u8bed\u6cd5\u5f15\u7528\u9884\u5148\u90e8\u7f72\u811a\u672c\u4e2d\u7684\u53d8\u91cf\u3002\t\t\n \u793a\u4f8b:      :setvar TableName MyTable\t\t\t\t\t\t\t\n               SELECT * FROM [$(TableName)]\t\t\t\t\t\n--------------------------------------------------------------------------------------\n*\/\n\n---\u5f00\u542f\u6240\u6709\u670d\u52a1\u5668\u914d\u7f6e\u9009\u9879\nEXEC sp_configure N'show advanced options', N'1' \nRECONFIGURE WITH OVERRIDE\n\n--\u5f00\u542fclr enabled \u9009\u9879\nEXEC sp_configure N'clr enabled', N'1'\nRECONFIGURE WITH OVERRIDE\n\n--\u5173\u95ed\u6240\u6709\u670d\u52a1\u5668\u914d\u7f6e\u9009\u9879\nEXEC sp_configure N'show advanced options', N'0' \nRECONFIGURE WITH OVERRIDE\n\n-- \u58f0\u660e\u4e34\u65f6\u53d8\u91cf\nDECLARE @SqlHash AS BINARY(64);\n\n-- \u627e\u5230\u6700\u8fd1\u4e00\u884c\u8bb0\u5f55\nSELECT TOP 1 @SqlHash = [hash] FROM sys.trusted_assemblies\nWHERE [created_by] = 'MicrosoftAccount\\********@********.com' ORDER BY [create_date] DESC;\n-- \u68c0\u67e5\u7ed3\u679c\nIF @@ROWCOUNT = 1\n    EXEC sp_drop_trusted_assembly @SqlHash;\n\n-- \u751f\u6210Hash\nSET @SqlHash =\n(\n\tSELECT HASHBYTES('SHA2_512',\n\t\t(SELECT * FROM OPENROWSET (BULK 'E:\\******\\SimpleNLDB\\NLDB\\bin\\Debug\\NLDB.dll', SINGLE_BLOB) AS [Data]))\n);\n\n-- \u68c0\u67e5\u54c8\u5e0c\nIF NOT EXISTS(SELECT TOP 1 * FROM sys.trusted_assemblies WHERE hash = @SqlHash)\nBEGIN\n    -- \u589e\u52a0\u4fe1\u4efb\u4ee3\u7801\n    EXEC sp_add_trusted_assembly @SqlHash\nEND\n<\/pre><\/div>\n\n\n
\"\"
\u56fe5 \u6dfb\u52a0\u9884\u53d1\u5e03\u811a\u672c<\/figcaption><\/figure>\n\n\n\n
\u811a\u672c\u7684\u5185\u5bb9\u4e3b\u8981\u662f\u5c06DLL\u6587\u4ef6\u6ce8\u518c\u5230SQL Server\u7684\u4fe1\u4efb\u5217\u8868\u4e4b\u4e2d\u3002\u4e0b\u9762\u5c31\u53ef\u4ee5\u901a\u8fc7\u9879\u76ee\u7684\u53d1\u5e03\u9009\u9879\u6765\u53d1\u5e03\u8be5DLL\u3002<\/p>\n\n\n\n
\"\"
\u56fe6 \u53d1\u5e03DLL\u6587\u4ef6\u81f3\u6570\u636e\u5e93<\/figcaption><\/figure>\n\n\n\n
\u5982\u679c\u4e00\u5207\u987a\u5229\uff0c\u65e5\u5fd7\u7a97\u53e3\u4e2d\uff0c\u4f1a\u63d0\u793a\u53d1\u5e03\u6210\u529f\u3002\u5982\u679c\u9047\u5230\u95ee\u9898\uff0c\u53ef\u4ee5\u5728\u7f51\u7edc\u4e0a\u67e5\u8be2\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n
\u4ee5\u4e0a\u5c31\u662f\u6574\u4e2aCLR C#\u7684\u6700\u7b80\u5355\u8fc7\u7a0b\u3002\u5b8c\u6210\u4e4b\u540e\uff0c\u53ef\u4ee5\u5728\u6570\u636e\u5e93\u4e2d\u627e\u5230GetVersion\u8fd9\u4e2a\u51fd\u6570\uff0c\u7136\u540e\u7528SELECT\u8c03\u7528\u4e00\u4e0b\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u7ed3\u679c\u3002<\/p>\n\n\n\n
\"\"
\u56fe7 \u68c0\u67e5\u51fd\u6570\u7684\u6ce8\u518c\u548c\u8fd0\u884c\u60c5\u51b5<\/figcaption><\/figure>\n\n\n\n
\u5728\u8fd9\u4e9b\u57fa\u7840\u5de5\u4f5c\u5b8c\u6210\u540e\uff0c\u540e\u9762\u5c31\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e9b\u66f4\u52a0\u9ad8\u7ea7\u7684\u51fd\u6570\u5904\u7406\u3002\u5f53\u7136\u5176\u4e2d\u6709\u5f88\u591a\u7ec6\u8282\uff0c\u8fd9\u4e9b\u5c31\u9700\u8981\u6162\u6162\u6478\u7d22\u4e86\u3002<\/p>\n\n\n\n
\u8fd9\u91cc\u6700\u540e\u518d\u63d0\u793a\u5404\u4f4d\u8bfb\u8005\uff1a\u5982\u679c\u9700\u8981\u4f7f\u7528static\u53d8\u91cf\uff0c\u5219\u9700\u8981\u5728\u9879\u76ee\u5c5e\u6027\u4e2d\uff0c\u5c06CLR C#\u7684\u5b89\u5168\u6743\u9650\u4fee\u6539\u4e3aUNSAFE\u3002\u5426\u5219\u4e0d\u53ef\u80fd\u53d1\u5e03\u6210\u529f\u3002<\/p>\n\n\n\n
\"\"
\u56fe8 \u4fee\u6539CLR C#\u7684\u6743\u9650\u7ea7\u522b<\/figcaption><\/figure>\n\n\n\n
\n
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