{"id":172665,"date":"2024-11-07T15:01:21","date_gmt":"2024-11-07T07:01:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172665\/"},"modified":"2024-11-07T15:01:23","modified_gmt":"2024-11-07T07:01:23","slug":"vc-%e4%b8%ad-ado-%e9%96%8b%e7%99%bc-access-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a9%b3%e8%a7%a3-vc-%e4%bd%bf%e7%94%a8-ado-%e9%96%8b%e7%99%bc-access-%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172665\/","title":{"rendered":"VC \u4e2d ADO \u958b\u767c Access \u6578\u64da\u5eab\u8a73\u89e3 (vc \u4f7f\u7528 ado \u958b\u767c access \u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"vc-%e4%b8%ad-ado-%e9%96%8b%e7%99%bc-access-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a9%b3%e8%a7%a3-ewyWViagKn\">VC \u4e2d ADO \u958b\u767c Access \u6578\u64da\u5eab\u8a73\u89e3<\/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\u3002Microsoft Access \u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u684c\u9762\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5e38\u88ab\u7528\u65bc\u5c0f\u578b\u61c9\u7528\u7a0b\u5e8f\u548c\u6578\u64da\u7ba1\u7406\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728 Visual C++ (VC) \u4e2d\u4f7f\u7528 ADO (ActiveX Data Objects) \u4f86\u958b\u767c Access \u6578\u64da\u5eab\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-ado%ef%bc%9f-ewyWViagKn\">\u4ec0\u9ebc\u662f ADO\uff1f<\/h2>\n<p>ADO \u662f\u4e00\u7a2e\u7528\u65bc\u8a2a\u554f\u6578\u64da\u7684\u9ad8\u5c64\u6b21\u63a5\u53e3\uff0c\u5141\u8a31\u958b\u767c\u8005\u901a\u904e\u7c21\u55ae\u7684\u4ee3\u78bc\u4f86\u64cd\u4f5c\u5404\u7a2e\u6578\u64da\u6e90\uff0c\u5305\u62ec Access \u6578\u64da\u5eab\u3002ADO \u63d0\u4f9b\u4e86\u4e00\u500b\u7d71\u4e00\u7684\u63a5\u53e3\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u9032\u884c\u6578\u64da\u7684\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u7ba1\u7406\u3002<\/p>\n<h2 id=\"%e7%92%b0%e5%a2%83%e8%a8%ad%e7%bd%ae-ewyWViagKn\">\u74b0\u5883\u8a2d\u7f6e<\/h2>\n<p>\u5728\u958b\u59cb\u958b\u767c\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u7684\u958b\u767c\u74b0\u5883\u5df2\u6b63\u78ba\u8a2d\u7f6e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u5b89\u88dd Microsoft Visual C++ \u958b\u767c\u74b0\u5883\u3002<\/li>\n<li>\u78ba\u4fdd\u5df2\u5b89\u88dd Microsoft Access \u6578\u64da\u5eab\u5f15\u64ce\u3002<\/li>\n<li>\u5728 VC \u4e2d\u6dfb\u52a0 ADO \u7684\u5f15\u7528\uff0c\u901a\u5e38\u53ef\u4ee5\u5728\u9805\u76ee\u5c6c\u6027\u4e2d\u9032\u884c\u8a2d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%80%a3%e6%8e%a5-access-%e6%95%b8%e6%93%9a%e5%ba%ab-ewyWViagKn\">\u9023\u63a5 Access \u6578\u64da\u5eab<\/h2>\n<p>\u8981\u4f7f\u7528 ADO \u9023\u63a5 Access \u6578\u64da\u5eab\uff0c\u9996\u5148\u9700\u8981\u5275\u5efa\u4e00\u500b\u9023\u63a5\u5b57\u7b26\u4e32\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nCString connectionString = _T(\"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\\path\\to\\your\\database.accdb;\");\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u5efa\u7acb\u9023\u63a5\uff1a<\/p>\n<pre><code>\n_ConnectionPtr pConnection;\nHRESULT hr = pConnection.CreateInstance(__uuidof(Connection));\nif (SUCCEEDED(hr)) {\n    pConnection-&gt;Open(connectionString, \"\", \"\", adConnectUnspecified);\n}\n<\/code><\/pre>\n<h2 id=\"%e5%9f%b7%e8%a1%8c%e6%9f%a5%e8%a9%a2-ewyWViagKn\">\u57f7\u884c\u67e5\u8a62<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u60a8\u53ef\u4ee5\u57f7\u884c SQL \u67e5\u8a62\u4f86\u7372\u53d6\u6216\u4fee\u6539\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u67e5\u8a62\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n_RecordsetPtr pRecordset;\npRecordset.CreateInstance(__uuidof(Recordset));\npRecordset-&gt;Open(_T(\"SELECT * FROM YourTable\"), pConnection.GetInterfacePtr(), adOpenStatic, adLockReadOnly, adCmdText);\n<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u8ff4\u5708\u4f86\u904d\u6b77\u7d50\u679c\u96c6\uff1a<\/p>\n<pre><code>\nwhile (!pRecordset-&gt;adoEOF) {\n    CString fieldValue = (LPCTSTR)pRecordset-&gt;Fields-&gt;GetItem(\"YourField\")-&gt;Value;\n    \/\/ \u8655\u7406 fieldValue\n    pRecordset-&gt;MoveNext();\n}\n<\/code><\/pre>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-ewyWViagKn\">\u66f4\u65b0\u6578\u64da<\/h2>\n<p>\u9664\u4e86\u67e5\u8a62\uff0c\u60a8\u9084\u53ef\u4ee5\u4f7f\u7528 ADO \u66f4\u65b0\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u66f4\u65b0\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\npConnection-&gt;Execute(_T(\"UPDATE YourTable SET YourField = 'NewValue' WHERE ConditionField = 'ConditionValue'\"), NULL, adCmdText);\n<\/code><\/pre>\n<h2 id=\"%e9%97%9c%e9%96%89%e9%80%a3%e6%8e%a5-ewyWViagKn\">\u95dc\u9589\u9023\u63a5<\/h2>\n<p>\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589 Recordset \u548c Connection\uff0c\u4ee5\u91cb\u653e\u8cc7\u6e90\uff1a<\/p>\n<pre><code>\npRecordset-&gt;Close();\npConnection-&gt;Close();\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ewyWViagKn\">\u7e3d\u7d50<\/h2>\n<p>\u5728 VC \u4e2d\u4f7f\u7528 ADO \u958b\u767c Access 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\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u5be6\u7528\u6280\u5de7\u8207\u7bc4\u4f8b\uff0c\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\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-172665","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172665","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=172665"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172665\/revisions"}],"predecessor-version":[{"id":172666,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172665\/revisions\/172666"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=172665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=172665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=172665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}