{"id":192156,"date":"2024-11-12T17:55:21","date_gmt":"2024-11-12T09:55:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/192156\/"},"modified":"2024-11-12T17:55:23","modified_gmt":"2024-11-12T09:55:23","slug":"%e8%a9%b3%e7%b4%b0%e8%ac%9b%e8%a7%a3%e5%a6%82%e4%bd%95%e5%88%aa%e9%99%a4access%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e7%a9%ba%e8%a8%98%e9%8c%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/192156\/","title":{"rendered":"\u8a73\u7d30\u8b1b\u89e3\u5982\u4f55\u522a\u9664Access\u6578\u64da\u5eab\u4e2d\u7684\u7a7a\u8a18\u9304"},"content":{"rendered":"

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\u5728\u4f7f\u7528Microsoft Access\u6578\u64da\u5eab\u6642\uff0c\u7d93\u5e38\u6703\u9047\u5230\u7a7a\u8a18\u9304\u7684\u554f\u984c\u3002\u9019\u4e9b\u7a7a\u8a18\u9304\u4e0d\u50c5\u4f54\u7528\u5b58\u5132\u7a7a\u9593\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u67e5\u8a62\u7684\u6548\u7387\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u522a\u9664\u9019\u4e9b\u7a7a\u8a18\u9304\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u522a\u9664Access\u6578\u64da\u5eab\u4e2d\u7a7a\u8a18\u9304\u7684\u5e7e\u7a2e\u65b9\u6cd5\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u7a7a\u8a18\u9304\uff1f<\/h2>\n

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\u522a\u9664\u7a7a\u8a18\u9304\u7684\u65b9\u6cd5<\/h2>\n

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    \n
  1. \u6253\u958bAccess\u6578\u64da\u5eab\uff0c\u9078\u64c7\u201c\u5275\u5efa\u201d\u9078\u9805\u5361\uff0c\u7136\u5f8c\u9ede\u64ca\u201c\u67e5\u8a62\u8a2d\u8a08\u201d\u3002<\/li>\n
  2. \u9078\u64c7\u8981\u522a\u9664\u7a7a\u8a18\u9304\u7684\u8868\u683c\uff0c\u7136\u5f8c\u5c07\u5176\u6dfb\u52a0\u5230\u67e5\u8a62\u8a2d\u8a08\u8996\u5716\u4e2d\u3002<\/li>\n
  3. \u5728\u67e5\u8a62\u8a2d\u8a08\u8996\u5716\u4e2d\uff0c\u9078\u64c7\u201c\u67e5\u8a62\u985e\u578b\u201d\u4e0b\u7684\u201c\u522a\u9664\u67e5\u8a62\u201d\u3002<\/li>\n
  4. \u5728\u201c\u689d\u4ef6\u201d\u884c\u4e2d\uff0c\u8f38\u5165\u689d\u4ef6\u4ee5\u8b58\u5225\u7a7a\u8a18\u9304\u3002\u4f8b\u5982\uff0c\u5982\u679c\u8981\u522a\u9664\u67d0\u500b\u5b57\u6bb5\u70ba\u7a7a\u7684\u8a18\u9304\uff0c\u53ef\u4ee5\u5728\u8a72\u5b57\u6bb5\u7684\u689d\u4ef6\u884c\u4e2d\u8f38\u5165\u201cIs Null\u201d\u3002<\/li>\n
  5. \u904b\u884c\u67e5\u8a62\uff0c\u78ba\u8a8d\u522a\u9664\u7684\u8a18\u9304\u7121\u8aa4\u5f8c\uff0c\u9ede\u64ca\u201c\u662f\u201d\u4ee5\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n

    \u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528VBA\u4ee3\u78bc\u522a\u9664\u7a7a\u8a18\u9304<\/h3>\n

    \u5982\u679c\u9700\u8981\u66f4\u9748\u6d3b\u7684\u522a\u9664\u65b9\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528VBA\uff08Visual Basic for Applications\uff09\u4ee3\u78bc\u4f86\u522a\u9664\u7a7a\u8a18\u9304\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684VBA\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n

    \nSub DeleteEmptyRecords()\n    Dim db As DAO.Database\n    Dim rs As DAO.Recordset\n    Set db = CurrentDb\n    Set rs = db.OpenRecordset(\"YourTableName\")\n\n    Do While Not rs.EOF\n        If IsNull(rs!YourFieldName) Then\n            rs.Delete\n        End If\n        rs.MoveNext\n    Loop\n\n    rs.Close\n    Set rs = Nothing\n    Set db = Nothing\nEnd Sub\n<\/code><\/pre>\n
    \u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u8acb\u5c07\u201cYourTableName\u201d\u66ff\u63db\u70ba\u5be6\u969b\u7684\u8868\u540d\uff0c\u4e26\u5c07\u201cYourFieldName\u201d\u66ff\u63db\u70ba\u9700\u8981\u6aa2\u67e5\u7684\u5b57\u6bb5\u540d\u3002\u904b\u884c\u6b64\u4ee3\u78bc\u5f8c\uff0c\u6240\u6709\u8a72\u5b57\u6bb5\u70ba\u7a7a\u7684\u8a18\u9304\u5c07\u88ab\u522a\u9664\u3002<\/p>\n
    \u65b9\u6cd5\u4e09\uff1a\u624b\u52d5\u522a\u9664\u7a7a\u8a18\u9304<\/h3>\n
    \u5982\u679c\u7a7a\u8a18\u9304\u4e0d\u591a\uff0c\u624b\u52d5\u522a\u9664\u4e5f\u662f\u4e00\u500b\u53ef\u884c\u7684\u9078\u64c7\u3002\u7528\u6236\u53ef\u4ee5\u76f4\u63a5\u5728\u8868\u683c\u8996\u5716\u4e2d\u9078\u64c7\u7a7a\u8a18\u9304\uff0c\u7136\u5f8c\u6309\u4e0b\u201cDelete\u201d\u9375\u9032\u884c\u522a\u9664\u3002\u9019\u7a2e\u65b9\u6cd5\u96d6\u7136\u7c21\u55ae\uff0c\u4f46\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u6548\u7387\u8f03\u4f4e\u3002<\/p>\n
    \u6ce8\u610f\u4e8b\u9805<\/h2>\n
    \u5728\u522a\u9664\u7a7a\u8a18\u9304\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002\u6b64\u5916\uff0c\u522a\u9664\u64cd\u4f5c\u61c9\u8b39\u614e\u9032\u884c\uff0c\u7279\u5225\u662f\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\uff0c\u4ee5\u907f\u514d\u5f71\u97ff\u5176\u4ed6\u7528\u6236\u7684\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n
    \u7e3d\u7d50<\/h2>\n
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