{"id":183466,"date":"2024-11-10T05:03:19","date_gmt":"2024-11-09T21:03:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183466\/"},"modified":"2024-11-10T05:03:20","modified_gmt":"2024-11-09T21:03:20","slug":"%e5%af%a6%e7%94%a8%e7%b0%a1%e4%be%bf%e7%9a%84mfc%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e5%8a%9f%e8%83%bd%e8%a9%b3%e8%a7%a3-mfc%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183466\/","title":{"rendered":"\u5be6\u7528\u7c21\u4fbf\u7684mfc\u6578\u64da\u5eab\u67e5\u8a62\u529f\u80fd\u8a73\u89e3 (mfc\u6578\u64da\u5eab\u67e5\u8a62\u529f\u80fd)"},"content":{"rendered":"

\u5be6\u7528\u7c21\u4fbf\u7684MFC\u6578\u64da\u5eab\u67e5\u8a62\u529f\u80fd\u8a73\u89e3<\/h1>\n

\u5728\u73fe\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u7d93\u6210\u70ba\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7279\u5225\u662f\u5728\u4f7f\u7528Microsoft Foundation Class (MFC)\u9032\u884cWindows\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u6642\uff0c\u6578\u64da\u5eab\u67e5\u8a62\u529f\u80fd\u7684\u5be6\u73fe\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMFC\u4e2d\u6578\u64da\u5eab\u67e5\u8a62\u529f\u80fd\u7684\u5be6\u7528\u6027\u53ca\u5176\u7c21\u4fbf\u7684\u5be6\u73fe\u65b9\u6cd5\u3002<\/p>\n

MFC\u8207\u6578\u64da\u5eab\u7684\u95dc\u806f<\/h2>\n

MFC\u662f\u4e00\u500b\u7528\u65bc\u958b\u767cWindows\u61c9\u7528\u7a0b\u5e8f\u7684C++\u985e\u5eab\uff0c\u63d0\u4f9b\u4e86\u8c50\u5bcc\u7684\u529f\u80fd\u4f86\u7c21\u5316Windows API\u7684\u4f7f\u7528\u3002\u5728MFC\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u4e3b\u8981\u4f9d\u8cf4\u65bcMicrosoft\u7684ODBC\uff08Open Database Connectivity\uff09\u6280\u8853\u3002ODBC\u5141\u8a31\u61c9\u7528\u7a0b\u5e8f\u901a\u904e\u7d71\u4e00\u7684\u63a5\u53e3\u8a2a\u554f\u4e0d\u540c\u985e\u578b\u7684\u6578\u64da\u5eab\uff0c\u9019\u4f7f\u5f97MFC\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u8f15\u9b06\u5730\u9032\u884c\u6578\u64da\u5eab\u67e5\u8a62\u548c\u64cd\u4f5c\u3002<\/p>\n

\u8a2d\u7f6eODBC\u6578\u64da\u6e90<\/h2>\n

\u5728\u958b\u59cb\u7de8\u5bebMFC\u6578\u64da\u5eab\u67e5\u8a62\u529f\u80fd\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8a2d\u7f6eODBC\u6578\u64da\u6e90\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u5b8c\u6210\uff1a<\/p>\n

    \n
  1. \u6253\u958b\u63a7\u5236\u9762\u677f\uff0c\u9078\u64c7\u201c\u7ba1\u7406\u5de5\u5177\u201d\u3002<\/li>\n
  2. \u9078\u64c7\u201cODBC\u6578\u64da\u6e90\u7ba1\u7406\u5668\u201d\u3002<\/li>\n
  3. \u6839\u64da\u9700\u8981\u9078\u64c7\u201c\u7528\u6236DSN\u201d\u6216\u201c\u7cfb\u7d71DSN\u201d\uff0c\u7136\u5f8c\u9ede\u64ca\u201c\u6dfb\u52a0\u201d\u3002<\/li>\n
  4. \u9078\u64c7\u6240\u9700\u7684\u9a45\u52d5\u7a0b\u5e8f\uff0c\u7136\u5f8c\u6309\u7167\u63d0\u793a\u5b8c\u6210\u6578\u64da\u6e90\u7684\u8a2d\u7f6e\u3002<\/li>\n<\/ol>\n

    MFC\u4e2d\u6578\u64da\u5eab\u67e5\u8a62\u7684\u5be6\u73fe<\/h2>\n

    \u8a2d\u7f6e\u597dODBC\u6578\u64da\u6e90\u5f8c\uff0c\u53ef\u4ee5\u958b\u59cb\u5728MFC\u61c9\u7528\u7a0b\u5e8f\u4e2d\u5be6\u73fe\u6578\u64da\u5eab\u67e5\u8a62\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528MFC\u9032\u884c\u6578\u64da\u5eab\u67e5\u8a62\uff1a<\/p>\n

    \n#include <afxdb.h> \/\/ \u5305\u542bMFC\u6578\u64da\u5eab\u985e\n\nvoid QueryDatabase()\n{\n    \/\/ \u5275\u5efa\u6578\u64da\u5eab\u9023\u63a5\n    CDatabase database;\n    if (database.OpenEx(_T(\"DSN=YourDataSourceName;UID=YourUsername;PWD=YourPassword;\")))\n    {\n        CRecordset recordset(&database);\n        recordset.Open(CRecordset::forwardOnly, _T(\"SELECT * FROM YourTableName\"));\n\n        while (!recordset.IsEOF())\n        {\n            CString fieldValue;\n            recordset.GetFieldValue(_T(\"YourFieldName\"), fieldValue);\n            AfxMessageBox(fieldValue); \/\/ \u986f\u793a\u67e5\u8a62\u7d50\u679c\n            recordset.MoveNext();\n        }\n\n        recordset.Close();\n        database.Close();\n    }\n    else\n    {\n        AfxMessageBox(_T(\"\u7121\u6cd5\u9023\u63a5\u5230\u6578\u64da\u5eab\uff01\"));\n    }\n}\n<\/code><\/pre>\n
    \u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5275\u5efa\u4e86\u4e00\u500b\u6578\u64da\u5eab\u9023\u63a5\uff0c\u7136\u5f8c\u4f7f\u7528CRecordset\u985e\u4f86\u57f7\u884c\u67e5\u8a62\u3002\u901a\u904e\u8ff4\u5708\u904d\u6b77\u67e5\u8a62\u7d50\u679c\uff0c\u6211\u5011\u53ef\u4ee5\u7372\u53d6\u6bcf\u4e00\u884c\u7684\u6578\u64da\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002<\/p>\n
    \u932f\u8aa4\u8655\u7406<\/h2>\n
    \u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002MFC\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u6355\u7372\u548c\u8655\u7406\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528try-catch\u584a\u4f86\u6355\u7372\u7570\u5e38\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u932f\u8aa4\u8655\u7406\u3002<\/p>\n
    \ntry\n{\n    QueryDatabase();\n}\ncatch (CDBException* e)\n{\n    AfxMessageBox(e->m_strError); \/\/ \u986f\u793a\u932f\u8aa4\u4fe1\u606f\n    e->Delete();\n}\n<\/code><\/pre>\n
    \u7e3d\u7d50<\/h2>\n
    MFC\u63d0\u4f9b\u4e86\u4e00\u500b\u5f37\u5927\u7684\u6846\u67b6\u4f86\u5be6\u73fe\u6578\u64da\u5eab\u67e5\u8a62\u529f\u80fd\uff0c\u901a\u904eODBC\u6280\u8853\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u9023\u63a5\u548c\u64cd\u4f5c\u5404\u7a2e\u6578\u64da\u5eab\u3002\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u8a2d\u7f6eODBC\u6578\u64da\u6e90\u3001\u5be6\u73fe\u57fa\u672c\u7684\u6578\u64da\u5eab\u67e5\u8a62\u4ee5\u53ca\u932f\u8aa4\u8655\u7406\u7684\u57fa\u672c\u65b9\u6cd5\u3002\u9019\u4e9b\u77e5\u8b58\u5c0d\u65bc\u958b\u767c\u9ad8\u6548\u7684Windows\u61c9\u7528\u7a0b\u5e8f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
    \u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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