DAO(Data Access Object)<\/span>\u5168\u79f0\u4e3a\u6570\u636e\u8bbf\u95ee\u5bf9\u8c61\uff0c\u5b83\u662f\u6570\u636e\u5e93\u7f16\u7a0b\u7684\u91cd\u8981\u65b9\u6cd5\u4e4b\u4e00\u3002DAO<\/span>\u7684\u4e00\u79cd\u9762\u5411\u5bf9\u8c61\u7684\u754c\u9762\u63a5\u53e3,<\/span>\u7279\u8272\u4e3a\u5b83\u4e0d\u662f\u53ef\u89c6\u5316\u7684\u5bf9\u8c61\uff0c\u4f7f\u7528\u5b83\u5168\u90e8\u90fd\u8981\u9760\u7f16\u7801\u6765\u5b8c\u6210\uff0cDAO<\/span>\u662f\u8bbe\u8ba1\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7cfb\u7edf\u7ed3\u6784\u7684\u5bf9\u8c61\u7c7b\u7684\u96c6\u5408\u3002\u5b83\u63d0\u4f9b\u4e86\u5b8c\u6210\u7ba1\u7406\u8fd9\u6837\u4e00\u4e2a\u7cfb\u7edf\u6240\u9700\u7684\u5168\u90e8\u64cd\u4f5c\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u5305\u62ec\u521b\u5efa\u6570\u636e\u5e93\uff0c\u5b9a\u4e49\u8868\u3001\u5b57\u6bb5\u548c\u7d22\u5f15\uff0c\u5efa\u7acb\u8868\u95f4\u7684\u5173\u7cfb\uff0c\u5b9a\u4f4d\u548c\u67e5\u8be2\u6570\u636e\u5e93\u7b49\u5de5\u5177\u3002\u7531\u4e8eADO(ActiveX Data Object ActiveX <\/span>\u6570\u636e\u5bf9\u8c61)<\/span>\u7684\u51fa\u73b0\uff0cDAO<\/span>\u7684\u4f7f\u7528\u5df2\u5927\u5927\u51cf\u5c11\uff0c\u4f46\u5b83\u65e0\u987b\u4f7f\u7528ODBC(<\/span>\u5f00\u653e\u6570\u636e\u5e93\u8fde\u63a5)<\/span>\u4fbf\u53ef\u8fde\u63a5\u5404\u4e2a\u6570\u636e\u6e90\uff0c\u56e0\u800c\u6211\u4eec\u4ecd\u7ecf\u5e38\u7528\u7ecf\u5178\u7684DAO<\/span>\u3002\u4e0b\u9762\u6211\u5411\u5927\u5bb6\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528DAO<\/span>\u7f16\u7a0b\u3002
\n<\/span>\u3000\u3000DAO<\/span>\u4f7f\u7528\u4e4b\u524d\u5fc5\u987b\u5148\u5f15\u7528\u3002\u65b9\u6cd5\u4e3a\u6253\u5f00VB6.0 , <\/span>\u4eceVB<\/span>\u7684“<\/span>\u5de5\u7a0b“<\/span>\u83dc\u5355\u4e2d\uff0c\u9009\u62e9“<\/span>\u5f15\u7528“<\/span>\u9879\uff0c\u5f53“<\/span>\u5f15\u7528“<\/span>\u5bf9\u8bdd\u6846\u51fa\u73b0\u540e\uff0c\u4ece\u5e93\u7684\u5217\u8868\u4e2d\uff0c\u9009\u62e9“Microsoft DAO 3.51 Object Library”,<\/span>\u5355\u51fb“<\/span>\u786e\u5b9a“<\/span>\u3002\u73b0\u5728\u4fbf\u53ef\u4ee5\u4f7f\u7528DAO<\/span>\u5bf9\u8c61\u5e93\u63d0\u4f9b\u7684\u6240\u6709\u5bf9\u8c61\u8fdb\u884c\u7f16\u7a0b\u4e86\u3002
\n<\/span>\u3000\u3000\u4e00\u3001\u521b\u5efa\u6570\u636e\u5e93\uff1a
\n<\/span>\u3000\u3000\u5728DAO<\/span>\u4e2d\u7528CreatDataBase<\/span>\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u7528\u6237\u9700\u6c42\u52a8\u6001\u7684\u521b\u5efa\u6570\u636e\u5e93\u3002\u8fd9\u4e00\u70b9\u5728\u7a0b\u5e8f\u4e2d\u662f\u975e\u5e38\u6709\u7528\u7684\u3002\u7528\u6237\u53ef\u4ee5\u6839\u636e\u8981\u6c42\u5b9e\u65f6\u5efa\u7acb\u6570\u636e\u5e93\u3002\u5efa\u7acb\u8fc7\u7a0b\u5982\u4e0b\uff1a\u3000\u3000
\n<\/span>\u3000\u3000Private Sub Com_creat_Click()
\n<\/span>\u3000\u3000On Error GoTo Err100
\n<\/span>\u3000\u3000CreatDataBase “<\/span>\u6570\u636e\u5e93\u540d\u79f0.mdb” <\/span>\uff0cdbLangGeneral
\n<\/span>\u3000\u3000Msgbox “<\/span>\u6570\u636e\u5e93\u5efa\u7acb\u5b8c\u6bd5”
\n<\/span>\u3000\u3000Exit Sub
\n<\/span>\u3000\u3000Err100:
\n<\/span>\u3000\u3000MsgBox “<\/span>\u4e0d\u80fd\u5efa\u7acb\u6570\u636e\u5e93! ” amp; vbCrLf amp; vbCrLf amp; Err.Description, vbInformation
\n<\/span>\u3000\u3000End Sub
\n<\/span>\u3000\u3000\u8fd9\u6837\uff0c\u6570\u636e\u5e93\u4fbf\u5728\u5f53\u524d\u9ed8\u8ba4\u7684\u8def\u5f84\u4e0b\u5efa\u7acb\u4e86\u3002
\n<\/span>\u3000\u3000\u4e8c\u3001\u521b\u5efa\u8868\u4e0e\u5b57\u6bb5\uff1a
\n<\/span>\u3000\u3000\u5efa\u7acb\u6570\u636e\u5e93\u540e\uff0c\u5219\u9700\u8981\u5728\u8be5\u6570\u636e\u5e93\u4e2d\u5efa\u7acb\u8868\uff0c\u8fd9\u8981\u7528\u5230TableDef <\/span>\u5bf9\u8c61\u3002\u5148\u5b9a\u4e49\u4e00\u4e2aTableDef<\/span>\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u7136\u540e\u7528TableDef<\/span>\u96c6\u5408\u4e2dAppend<\/span>\u65b9\u6cd5\u5c06\u4e4b\u8ffd\u52a0\u5230\u6570\u636e\u5e93\u5f53\u4e2d\u53bb\u3002\u5e76\u4e14\u540c\u65f6\u5b9a\u4e49\u4e00\u4e2aField<\/span>\u5bf9\u8c61\uff0c\u7528CreatFiele<\/span>\u7684\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2aField<\/span>\u5bf9\u8c61\uff0c\u5411\u8868\u4e2d\u6dfb\u52a0\u5b57\u6bb5\u3002\u4f8b\u5982:
\n<\/span>\u3000\u3000Private Sub Com_table_Click()
\n<\/span>\u3000\u3000On Error GoTo Err100
\n<\/span>\u3000\u3000Dim Defdb As DataBase
\n<\/span>\u3000\u3000Dim NewTable As TableDef
\n<\/span>\u3000\u3000Dim NewField As Field
\n<\/span>\u3000\u3000Set Defdb = Workspaces(0).OpenDatabase (App.path amp; “\\<\/span>\u6570\u636e\u5e93\u540d\u79f0.mdb” ,0, False)
\n<\/span>\u3000\u3000Set NewTable = DefDataBase.CreateTableDef(“<\/span>\u8868\u540d“)
\n<\/span>\u3000\u3000Set NewField = DefTable.CreateField( “<\/span>\u5b57\u6bb5\u540d” , dbText ,6) \u2032<\/span>\u521b\u5efa\u4e00\u4e2a\u5b57\u7b26\u578b\u7684\u5b57\u6bb5\uff0c\u957f\u5ea6\u4e3a6<\/span>\u4e2a\u5b57\u7b26
\n<\/span>\u3000\u3000DefTableFields.Append NewField \u2032<\/span>\u5b57\u6bb5\u8ffd\u52a0
\n<\/span>\u3000\u3000DefDatabase.TableDefs.Append NewTable \u2032<\/span>\u8868\u8ffd\u52a0
\n<\/span>\u3000\u3000Msgbox ” <\/span>\u8868\u5efa\u7acb\u5b8c\u6bd5 ”
\n<\/span>\u3000\u3000Exit Sub
\n<\/span>\u3000\u3000Err100:
\n<\/span>\u3000\u3000MsgBox “<\/span>\u5bf9\u4e0d\u8d77\uff0c\u4e0d\u80fd\u5efa\u7acb\u8868\u3002\u8bf7\u5148\u518d\u5efa\u8868\u524d\u5efa\u7acb\u6570\u636e\u5e93\uff1f“, vbCritical
\n<\/span>\u3000\u3000End Sub
\n<\/span>\u3000\u3000\u4e00\u4e2a\u6570\u636e\u5e93\u53ef\u80fd\u6709\u5341\u51e0\u4e2a\u751a\u81f3\u51e0\u5341\u4e2a\u5b57\u6bb5\uff0c\u4e00\u4e2a\u8868\u4e2d\u6709\u591a\u5c11\u4e2a\u5b57\u6bb5\uff0c\u5219\u8981\u521b\u5efa\u591a\u5c11\u6b21\u5e76\u8981\u8ffd\u52a0\u5230\u8868\u4e2d\u3002\u6bcf\u5efa\u7acb\u4e00\u4e2a\u5b57\u6bb5\u540e\u90fd\u8981\u7528\u5230\u5b57\u6bb5\u8ffd\u52a0\u547d\u4ee4\uff0c\u4f46\u662f\u8868\u8ffd\u52a0\u53ea\u9700\u5728\u6240\u6709\u5b57\u6bb5\u5efa\u7acb\u5b8c\u6210\u540e\u7528\u4e00\u6761\u547d\u4ee4\u5373\u53ef\u5b8c\u6210\u3002<\/p>\n

\u3000\u3000\u4e09\u3001\u6253\u5f00\u6570\u636e\u5e93\uff1a
\n<\/span>\u3000\u3000\u5728VB<\/span>\u4e2d\uff0c\u5bf9\u4e00\u4e2a\u5bf9\u8c61\u53d8\u91cf\u5f15\u7528\u4e4b\u524d\u5fc5\u987b\u52a0\u4ee5\u8bf4\u660e\u3002DAO<\/span>\u4e5f\u662f\u5982\u6b64\uff0c\u5fc5\u987b\u5148\u58f0\u660e\u6570\u636e\u5e93\u53d8\u91cf\uff0c\u4f8b\u5982\uff1aDim dbase As Database <\/span>\u3002\u5efa\u7acb\u4e86\u6570\u636e\u5e93\u5bf9\u8c61\u53d8\u91cf\u540e\uff0c\u6211\u4eec\u4fbf\u53ef\u6253\u5f00\u6570\u636e\u5e93\u4e86\uff0c\u5728\u4e00\u822c\u60c5\u51b5\u4e0b\u90fd\u53ea\u662f\u8bbf\u95ee\u4e00\u4e2a\u6570\u636e\u5e93\uff0c\u5f53\u6253\u5f00\u6570\u636e\u5e93\u540e\u518d\u5bf9\u6570\u636e\u5e93\u4e2d\u7684\u5404\u4e2a\u8bb0\u5f55\u8fdb\u884c\u64cd\u4f5c\uff0c\u8fd9\u5c31\u8981\u7528\u5230Recordset <\/span>\u5bf9\u8c61\u5efa\u7acb\u8bb0\u5f55\u96c6\u3002\u4f8b\u5982\uff1a\u3000\u3000\u3000\u3000<\/p>\n

Private Sub Command_OpenDatabase_Click()
\n<\/span>\u3000\u3000Dim dbase as Database
\n<\/span>\u3000\u3000Dim rs As Recordset
\n<\/span>\u3000\u3000Set dbase = OpenDatabase ( App.path amp; “\\<\/span>\u6570\u636e\u5e93\u540d\u79f0.mdb” )
\n<\/span>\u3000\u3000Set rs = dbase.OpenRecordset ( ” select * from <\/span>\u8868\u540d ” )
\n<\/span>\u3000\u3000End Sub
\n<\/span>\u3000\u3000\u8fd9\u6837\uff0c\u6570\u636e\u5e93\u4e2d\u7684\u8bb0\u5f55\u4fbf\u653e\u5230Recordset<\/span>\u4e2d\uff0c\u53ef\u4ee5\u8fdb\u884c\u540e\u7eed\u64cd\u4f5c\u4e86\u3002
\n<\/span>\u3000\u3000<\/p>\n

\u56db\u3001\u4f7f\u7528\u6570\u636e\u5e93\uff1a
\n<\/span>\u3000\u3000\u5f53\u6253\u5f00\u6570\u636e\u5e93\uff0c\u5efa\u7acbRecordset <\/span>\u8bb0\u5f55\u96c6\u540e\uff0c\u4fbf\u53ef\u6d4f\u89c8\u3001\u5220\u9664\u3001\u6dfb\u52a0\u3001\u67e5\u627e\u6570\u636e\u5e93\u4e2d\u7684\u5185\u5bb9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

DAO(Data Access Object)\u5168\u79f0\u4e3a\u6570\u636e\u8bbf\u95ee\u5bf9\u8c61\uff0c\u5b83...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-286","post","type-post","status-publish","format-standard","hentry","category-vb"],"_links":{"self":[{"href":"https:\/\/www.01xj.net\/index.php?rest_route=\/wp\/v2\/posts\/286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.01xj.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.01xj.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.01xj.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.01xj.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=286"}],"version-history":[{"count":2,"href":"https:\/\/www.01xj.net\/index.php?rest_route=\/wp\/v2\/posts\/286\/revisions"}],"predecessor-version":[{"id":288,"href":"https:\/\/www.01xj.net\/index.php?rest_route=\/wp\/v2\/posts\/286\/revisions\/288"}],"wp:attachment":[{"href":"https:\/\/www.01xj.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.01xj.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.01xj.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}