{"id":63496,"date":"2024-10-14T01:04:03","date_gmt":"2024-10-13T17:04:03","guid":{"rendered":"https:\/\/server.hk\/cnblog\/63496\/"},"modified":"2024-10-14T01:04:03","modified_gmt":"2024-10-13T17:04:03","slug":"mfc%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%a8%8b%e6%8c%87%e5%8d%97-mfc%e5%a6%82%e4%bd%95%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/63496\/","title":{"rendered":"MFC\u6578\u64da\u5eab\u7de8\u7a0b\u6307\u5357 (mfc\u5982\u4f55\u6578\u64da\u5eab\u7de8\u7a0b)"},"content":{"rendered":"<h1 id=\"mfc%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%a8%8b%e6%8c%87%e5%8d%97-mfc%e5%a6%82%e4%bd%95%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%a8%8b-NqHTGxJDel\">MFC\u6578\u64da\u5eab\u7de8\u7a0b\u6307\u5357 (MFC\u5982\u4f55\u6578\u64da\u5eab\u7de8\u7a0b)<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u6210\u70ba\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002MFC\uff08Microsoft Foundation Class\uff09\u662f\u4e00\u500b\u5f37\u5927\u7684C++\u985e\u5eab\uff0c\u5c08\u70baWindows\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u800c\u8a2d\u8a08\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728MFC\u4e2d\u9032\u884c\u6578\u64da\u5eab\u7de8\u7a0b\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u61c9\u7528\u9019\u4e00\u6280\u8853\u3002<\/p>\n<h2 id=\"1-mfc%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%97%9c%e4%bf%82-NqHTGxJDel\">1. MFC\u8207\u6578\u64da\u5eab\u7684\u95dc\u4fc2<\/h2>\n<p>MFC\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u985e\u548c\u51fd\u6578\uff0c\u80fd\u5920\u7c21\u5316Windows\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u904e\u7a0b\u3002\u5c0d\u65bc\u6578\u64da\u5eab\u7de8\u7a0b\uff0cMFC\u652f\u6301ODBC\uff08Open Database Connectivity\uff09\u548cDAO\uff08Data Access Objects\uff09\u5169\u7a2e\u4e3b\u8981\u7684\u6578\u64da\u5eab\u8a2a\u554f\u6280\u8853\u3002\u9019\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u9023\u63a5\u548c\u64cd\u4f5c\u5404\u7a2e\u6578\u64da\u5eab\uff0c\u5982SQL Server\u3001Oracle\u548cAccess\u7b49\u3002<\/p>\n<h2 id=\"2-%e7%92%b0%e5%a2%83%e8%a8%ad%e7%bd%ae-NqHTGxJDel\">2. \u74b0\u5883\u8a2d\u7f6e<\/h2>\n<p>\u5728\u958b\u59cb\u7de8\u5bebMFC\u6578\u64da\u5eab\u61c9\u7528\u7a0b\u5e8f\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd\u958b\u767c\u74b0\u5883\u7684\u8a2d\u7f6e\u6b63\u78ba\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u5b89\u88ddVisual Studio\uff0c\u4e26\u9078\u64c7MFC\u652f\u6301\u3002<\/li>\n<li>\u78ba\u4fddODBC\u9a45\u52d5\u7a0b\u5e8f\u5df2\u5b89\u88dd\uff0c\u4e26\u914d\u7f6e\u597d\u6578\u64da\u6e90\u3002<\/li>\n<li>\u5275\u5efa\u4e00\u500b\u65b0\u7684MFC\u61c9\u7528\u7a0b\u5e8f\u9805\u76ee\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8odbc%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-NqHTGxJDel\">3. \u4f7f\u7528ODBC\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c<\/h2>\n<p>ODBC\u662f\u4e00\u7a2e\u6a19\u6e96\u7684\u6578\u64da\u5eab\u8a2a\u554f\u63a5\u53e3\uff0cMFC\u63d0\u4f9b\u4e86\u5c0dODBC\u7684\u652f\u6301\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528ODBC\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"3-1-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-NqHTGxJDel\">3.1 \u9023\u63a5\u6578\u64da\u5eab<\/h3>\n<pre><code>\nCDatabase database;\nCString connectionString = _T(\"DSN=YourDataSource;UID=YourUsername;PWD=YourPassword;\");\nif (database.OpenEx(connectionString, CDatabase::noOdbcDialog)) {\n    \/\/ \u9023\u63a5\u6210\u529f\n} else {\n    \/\/ \u9023\u63a5\u5931\u6557\n}\n<\/code><\/pre>\n<h3 id=\"3-2-%e5%9f%b7%e8%a1%8csql%e6%9f%a5%e8%a9%a2-NqHTGxJDel\">3.2 \u57f7\u884cSQL\u67e5\u8a62<\/h3>\n<pre><code>\nCRecordset recordset(&amp;database);\nrecordset.Open(CRecordset::forwardOnly, _T(\"SELECT * FROM YourTable\"));\nwhile (!recordset.IsEOF()) {\n    \/\/ \u8655\u7406\u6578\u64da\n    recordset.MoveNext();\n}\nrecordset.Close();\n<\/code><\/pre>\n<h3 id=\"3-3-%e9%97%9c%e9%96%89%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-NqHTGxJDel\">3.3 \u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<pre><code>\ndatabase.Close();\n<\/code><\/pre>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8dao%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-NqHTGxJDel\">4. \u4f7f\u7528DAO\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c<\/h2>\n<p>DAO\u662f\u4e00\u7a2e\u8f03\u820a\u7684\u6578\u64da\u5eab\u8a2a\u554f\u6280\u8853\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u4ecd\u7136\u975e\u5e38\u6709\u7528\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528DAO\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"4-1-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-NqHTGxJDel\">4.1 \u9023\u63a5\u6578\u64da\u5eab<\/h3>\n<pre><code>\nCDaoDatabase database;\ndatabase.Open(_T(\"YourDatabase.mdb\"));\n<\/code><\/pre>\n<h3 id=\"4-2-%e5%9f%b7%e8%a1%8c%e6%9f%a5%e8%a9%a2-NqHTGxJDel\">4.2 \u57f7\u884c\u67e5\u8a62<\/h3>\n<pre><code>\nCDaoRecordset recordset(&amp;database);\nrecordset.Open(dbOpenDynaset, _T(\"SELECT * FROM YourTable\"));\nwhile (!recordset.IsEOF()) {\n    \/\/ \u8655\u7406\u6578\u64da\n    recordset.MoveNext();\n}\nrecordset.Close();\n<\/code><\/pre>\n<h3 id=\"4-3-%e9%97%9c%e9%96%89%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-NqHTGxJDel\">4.3 \u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<pre><code>\ndatabase.Close();\n<\/code><\/pre>\n<h2 id=\"5-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-NqHTGxJDel\">5. \u932f\u8aa4\u8655\u7406<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u7de8\u7a0b\u4e2d\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\u53ef\u4ee5\u4f7f\u7528try-catch\u584a\u4f86\u6355\u7372\u7570\u5e38\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002<\/p>\n<pre><code>\ntry {\n    \/\/ \u6578\u64da\u5eab\u64cd\u4f5c\n} catch (CException* e) {\n    e-&gt;ReportError();\n    e-&gt;Delete();\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NqHTGxJDel\">\u7e3d\u7d50<\/h2>\n<p>MFC\u6578\u64da\u5eab\u7de8\u7a0b\u662f\u4e00\u500b\u5f37\u5927\u4e14\u9748\u6d3b\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u5730\u8207\u5404\u7a2e\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u7121\u8ad6\u662f\u4f7f\u7528ODBC\u9084\u662fDAO\uff0c\u958b\u767c\u8005\u90fd\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6280\u8853\u4f86\u5be6\u73fe\u6578\u64da\u7684\u5b58\u53d6\u548c\u7ba1\u7406\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> 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