{"id":175243,"date":"2024-11-08T04:14:17","date_gmt":"2024-11-07T20:14:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175243\/"},"modified":"2024-11-08T04:14:18","modified_gmt":"2024-11-07T20:14:18","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8mfc%e5%be%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e8%ae%80%e5%8f%96%e6%95%b8%e6%93%9a-mfc%e5%be%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e8%ae%80%e5%8f%96%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175243\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528MFC\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u6578\u64da (mfc\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u6578\u64da)"},"content":{"rendered":"

\u5982\u4f55\u4f7f\u7528MFC\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u6578\u64da<\/h1>\n

\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002MFC\uff08Microsoft Foundation Class\uff09\u662f\u4e00\u500b\u5f37\u5927\u7684C++\u985e\u5eab\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u69cb\u5efaWindows\u61c9\u7528\u7a0b\u5e8f\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528MFC\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

MFC\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5<\/h2>\n

\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86ODBC\uff08Open Database Connectivity\uff09\u9a45\u52d5\u7a0b\u5e8f\uff0c\u56e0\u70baMFC\u4f7f\u7528ODBC\u4f86\u9023\u63a5\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

    \n
  1. \u5728MFC\u61c9\u7528\u7a0b\u5e8f\u4e2d\u5305\u542b\u5fc5\u8981\u7684\u982d\u6587\u4ef6\uff1a<\/li>\n
    #include <afxdb.h><\/code><\/pre>\n
  2. \u5275\u5efa\u4e00\u500bCDatabase\u5c0d\u8c61\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u3002<\/li>\n
  3. \u4f7f\u7528Open\u51fd\u6578\u4f86\u6253\u958b\u6578\u64da\u5eab\u3002<\/li>\n<\/ol>\n
    \u793a\u4f8b\u4ee3\u78bc\uff1a\u9023\u63a5\u5230\u6578\u64da\u5eab<\/h3>\n
    CDatabase database;\ntry {\n    database.Open(_T(\"DSN=YourDataSourceName;UID=YourUsername;PWD=YourPassword;\"));\n} catch (CDBException* e) {\n    AfxMessageBox(e->m_strError);\n    e->Delete();\n}<\/code><\/pre>\n
    \u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u6578\u64da<\/h2>\n
    \u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u958b\u59cb\u5f9e\u4e2d\u8b80\u53d6\u6578\u64da\u3002MFC\u63d0\u4f9b\u4e86CRecordset\u985e\u4f86\u8655\u7406\u6578\u64da\u96c6\u7684\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u6578\u64da\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n
      \n
    1. \u5275\u5efa\u4e00\u500bCRecordset\u5c0d\u8c61\uff0c\u4e26\u5c07\u5176\u8207CDatabase\u5c0d\u8c61\u95dc\u806f\u3002<\/li>\n
    2. \u4f7f\u7528Open\u51fd\u6578\u4f86\u6253\u958b\u6578\u64da\u96c6\u3002<\/li>\n
    3. \u4f7f\u7528MoveNext\u3001MovePrev\u7b49\u51fd\u6578\u4f86\u904d\u6b77\u6578\u64da\u96c6\u3002<\/li>\n<\/ol>\n
      \u793a\u4f8b\u4ee3\u78bc\uff1a\u8b80\u53d6\u6578\u64da<\/h3>\n
      CRecordset recordset(&database);\ntry {\n    recordset.Open(CRecordset::forwardOnly, _T(\"SELECT * FROM YourTableName\"));\n    while (!recordset.IsEOF()) {\n        CString data;\n        recordset.GetFieldValue(_T(\"YourFieldName\"), data);\n        AfxMessageBox(data);\n        recordset.MoveNext();\n    }\n    recordset.Close();\n} catch (CDBException* e) {\n    AfxMessageBox(e->m_strError);\n    e->Delete();\n}<\/code><\/pre>\n
      \u8655\u7406\u7570\u5e38<\/h2>\n
      \u5728\u8207\u6578\u64da\u5eab\u4ea4\u4e92\u7684\u904e\u7a0b\u4e2d\uff0c\u7570\u5e38\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002MFC\u63d0\u4f9b\u4e86CDBException\u985e\u4f86\u6355\u7372\u548c\u8655\u7406\u6578\u64da\u5eab\u7570\u5e38\u3002\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u5df2\u7d93\u4f7f\u7528\u4e86try-catch\u584a\u4f86\u6355\u7372\u53ef\u80fd\u767c\u751f\u7684\u7570\u5e38\uff0c\u4e26\u986f\u793a\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n
      \u7e3d\u7d50<\/h2>\n
      \u4f7f\u7528MFC\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u6578\u64da\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u5e7e\u500b\u6b65\u9a5f\u5373\u53ef\u5b8c\u6210\u3002\u901a\u904e\u6b63\u78ba\u7684\u9023\u63a5\u548c\u6578\u64da\u96c6\u64cd\u4f5c\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u7372\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e3b\u6a5f\u74b0\u5883\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u670d\u52d9\u5668\u652f\u6301\uff0c\u53ef\u4ee5\u8003\u616e\u6211\u5011\u7684\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u4f9b\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u548c\u9748\u6d3b\u7684\u8cc7\u6e90\u914d\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u5b78\u7fd2\u5982\u4f55\u4f7f\u7528MFC\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u6578\u64da\uff0c\u638c\u63e1\u9023\u63a5\u3001\u67e5\u8a62\u548c\u986f\u793a\u6578\u64da\u7684\u6280\u5de7\uff0c\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u80fd\u529b\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-175243","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175243","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=175243"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175243\/revisions"}],"predecessor-version":[{"id":175244,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175243\/revisions\/175244"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}