\u7b2c\u4e00\u8282 BDE\u3001ADO\u3001InterBase\u548cdbExpress<\/p>\n
Delphi\u4e2d\u5904\u7406\u6570\u636e\u5e93\u4e3b\u8981\u6709\u4e24\u79cd\u65b9\u6cd5\uff0c\u4e5f\u5c31\u662fBDE\u3001ADO\uff0c\u4eceDelphi 6.0\u5f00\u59cb\u8fd8\u52a0\u5165\u4e86\u4e00\u79cddbExpress\u65b9\u6cd5\u3002 \u53e6\u5916\uff0cDelphi\u8fd8\u63d0\u4f9b\u4e86\u4e13\u95e8\u5904\u7406Borland \u516c\u53f8\u81ea\u5df1\u7684\u6570\u636e\u5e93\u4ea7\u54c1InterBase \u6570\u636e\u5e93\u7684\u4e13\u95e8\u7684\u65b9\u6cd5\u3002
\nBDE\uff08Borland Databas Engine\uff09\uff0c \u662fDelphi\u4e2d\u6700\u53e4\u8001\u7684\u6280\u672f\uff0c\u4ecedelphi 2.0\u52a0\u5165BDE \u6280\u672f\u4ee5\u540e\uff0c\u4e00\u76f4\u662fDelphi\u5904\u7406\u6570\u636e\u5e93\u7684\u4e8b\u5b9e\u4e0a\u7684\u6807\u51c6\u3002BDE \u662f\u4e00\u4e2a\u57fa\u4e8e\u9a71\u52a8\u7a0b\u5e8f\u7684\u4f53\u7cfb\u7ed3\u6784\uff0c\u6bcf\u4e00\u79cd\u6570\u636e\u683c\u5f0f\u6216\u6570\u636e\u6e90\u90fd\u6709\u4e00\u79cd\u9a71\u52a8\u7a0b\u5e8f\u6765\u9a71\u52a8\u76f8\u8fd1\u7684\u6570\u636e\u6e90\u3002BDE \u53ef\u4ee5\u5f88\u597d\u7684\u652f\u6301\u73b0\u5728\u6700\u6d41\u884c\u7684ODBC API\u65b9\u6cd5\uff0cODBC\u662f\u4e00\u79cdC\/C++ \u5e94\u7528\u7a0b\u5e8f\u7f16\u7a0b\u63a5\u53e3\uff08API \uff09\uff0c\u65e0\u8bba\u662f\u5bf9\u4efb\u4f55\u4e00\u79cd\u5ba2\u6237\/ \u670d\u52a1\u5668\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff08RDBMS \uff09\uff0c\u8fd8\u662f\u6700\u6d41\u884c\u7d22\u5f15\u987a\u5e8f\u8bbf\u95ee\u65b9\u6cd5\uff08ISAM\uff09\u6570\u636e\u5e93\uff08Jet\u3001Foxpro\uff09\uff0c \u90fd\u80fd\u5f88\u597d\u7684\u8bbf\u95ee\u3002
\n\u540c\u65f6\uff0c\u7531\u4e8eBDE \u7684\u9a71\u52a8\u7a0b\u5e8f\u4e3b\u8981\u76f4\u63a5\u6765\u81ea\u4e8e\u7b2c\u4e09\u65b9\u5f00\u53d1\u5546\uff0c\u6240\u4ee5\uff0c\u5bf9\u4e8e\u50cfOracle\u8fd9\u4e9b\u975e\u5fae\u8f6f\u7684\u6570\u636e\u5e93\uff0c\u6267\u884c\u6548\u7387\u4e0a\u6bd4\u8f83\u9ad8\u3002\u6b63\u662f\u8fd9\u4e9b\u7279\u70b9\uff0c\u4f7fBDE \u6280\u672f\u8fd8\u662f\u5f97\u5230\u4e86\u5f88\u591a\u6570\u636e\u5e93\u5f00\u53d1\u7a0b\u5e8f\u5458\u7684\u6b22\u8fce\u3002
\nADO \u6280\u672f\u662f\u5fae\u8f6f\u63d0\u51fa\u6765\u7684\u5904\u7406\u5173\u7cfb\u578b\u6570\u636e\u5e93\u548c\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7684\u65b0\u6280\u672f\uff0c\u5b83\u57fa\u4e8e\u5fae\u8f6f\u88ab\u79f0\u4e3aOLE DB\u7684\u6570\u636e\u8bbf\u95ee\u6a21\u5f0f\uff0c\u5b83\u662f\u4e13\u95e8\u4e3a\u4e86\u7ed9\u5927\u8303\u56f4\u5546\u4e1a\u6570\u636e\u6e90\u63d0\u4f9b\u8bbf\u95ee\u800c\u8bbe\u8ba1\u7684\uff0c\u5305\u62ec\u4f20\u7edf\u7684\u5173\u7cfb\u578b\u6570\u636e\u8868\u3001\u7535\u5b50\u90ae\u4ef6\u7cfb\u7edf\u3001\u56fe\u5f62\u683c\u5f0f\u3001Internet\u8d44\u6e90\u7b49\u3002ADO \u6240\u9700\u5185\u5b58\u66f4\u5c11\uff0c\u66f4\u9002\u5408\u5927\u6d41\u91cf\u548c\u5927\u4e8b\u52a1\u91cf\u7684\u7f51\u7edc\u8ba1\u7b97\u673a\u7cfb\u7edf\u3002
\nADO \u9876\u5c42\u6709\u4e09\u4e2a\u5bf9\u8c61\uff1aConnection\u3001Command\u3001Recordset\u3002
\nConnection\u7528\u4ee5\u6307\u5b9a\u6570\u636e\u6e90\uff0c\u5efa\u7acb\u548c\u6570\u636e\u6e90\u7684\u8fde\u63a5\u3002
\nCommand \u5bf9\u8c61\u7528\u4ee5\u5bf9\u6570\u5267\u6e90\u6267\u884c\u6307\u5b9a\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u63a5\u53d7SQL \u8bed\u53e5\uff0c\u8868\u548c\u5b58\u50a8\u8fc7\u7a0b\u7684\u540d\u79f0\uff0c\u6267\u884cSQL \u67e5\u8be2\uff0c\u66f4\u65b0\u6570\u636e\uff0c\u63d2\u5165\u7eaa\u5f55\u7b49\u3002
\nRecordset \u5bf9\u8c61\u8868\u793a\u7684\u662f\u6765\u81ea\u8868\u6216\u547d\u4ee4\u6267\u884c\u7ed3\u679c\u7684\u8bb0\u5f55\u5168\u96c6\uff0c\u64cd\u7eb5\u6765\u81ea\u63d0\u4f9b\u8005\u7684\u51e0\u4e4e\u6240\u6709\u6570\u636e\u3002
\n\u7531\u4e8eADO \u6280\u672f\u7684\u8fc5\u901f\u666e\u53ca\uff0c\u4eceDelphi 5.0 \u5f00\u59cb\uff0c\u52a0\u5165\u4e86ADO \u6280\u672f\u7684\u6a21\u5757\uff0c\u5e76\u9010\u6b65\u6210\u4e3aDelphi\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u4e3b\u6d41\u3002\u4f46\u662f\uff0c\u548cVB\u7684ADODC \u76f8\u6bd4\uff0c\u5b83\u8fd8\u662f\u6709\u6240\u4e0d\u540c\u7684\uff0c\u5728\u6570\u636e\u7ed1\u5b9a\u4e0a\uff0c\u5b83\u66f4\u591a\u7684\u5438\u6536\u4e86BDE \u7684\u7279\u70b9\uff0c\u4ee5\u505a\u5230\u548c\u539f\u6765\u7684\u7a0b\u5e8f\u517c\u5bb9\uff0c\u540c\u65f6\uff0c\u5b83\u53c8\u53ef\u4ee5\u63a5\u53d7\u6807\u51c6ADO \u6280\u672f\u7684\u5404\u79cd\u5c5e
\n\u6027\u548c\u65b9\u6cd5\uff0c\u5728\u63a5\u53d7\u8fd9\u4e9b\u5c5e\u6027\u548c\u65b9\u6cd5\u65f6\uff0c\u5b83\u662f\u548c\u6570\u636e\u7ed1\u5b9a\u63a7\u4ef6\u8131\u79bb\u7684\uff0c\u5f53\u7136\u4ece\u67d0\u79cd\u610f\u4e49\u4e0a\u6765\u8bf4\uff0c\u8fd9\u79cd\u65b9\u6848\u63d0\u9ad8\u4e86\u6267\u884c\u6548\u7387\uff0c\u7ed9\u8bbe\u8ba1\u4eba\u5458\u4ee5\u66f4\u591a\u7684\u9009\u62e9\u3002
\ndbExpress \u662fDelphi 6.0\u52a0\u5165\u7684\u6700\u65b0\u7684\u6570\u636e\u5e93\u6a21\u5757\uff0c\u5b83\u4e0d\u4f7f\u7528\u7f13\u5b58\uff0c\u53ef\u4ee5\u5feb\u901f\u6d4f\u89c8\u5927\u91cf\u7684\u6570\u636e\uff0c\u4f46\u662f\uff0c\u4e0d\u4f7f\u7528\u7f13\u5b58\u5c31\u4e0d\u80fd\u66f4\u6539\uff0c\u6240\u4ee5\u5b83\u7684\u6807\u51c6\u65b9\u5f0f\u662f\u53ea\u8bfb\u7684\u3002\u5b83\u4e00\u4e2a\u91cd\u8981\u7684\u7279\u70b9\u662f\u4ea4\u53c9\u5e73\u53f0\uff0c\u53ef\u4ee5\u548cLinux \u6570\u636e\u5e93\u8fde\u63a5\uff0c\u901f\u5ea6\u76f8\u5f53\u5feb\u3002
\n\u4e0b\u9762\u7684\u8ba8\u8bba\uff0c\u5c06\u4ee5ADO \u6280\u672f\u4e3a\u4e3b\u7ebf\uff0c\u6700\u540e\u518d\u8bf4\u660eBDE \u548cdbExpress\u7684\u5e94\u7528\u65b9\u5f0f\u3002<\/p>\n
\u7b2c\u4e8c\u8282 ADO \u9762\u677f\u7684\u4e3b\u8981\u7ec4\u4ef6
\nADO \u9762\u677f\u4e00\u5171\u67097 \u4e2a\u7ec4\u4ef6:<\/p>\n
ADOConnection: \u4e3b\u8981\u7528\u4e8e\u5efa\u7acb\u6570\u636e\u5e93\u7684\u8fde\u63a5\uff1b
\nADOdataSet\uff1aADO \u63d0\u53d6\u548c\u64cd\u4f5c\u6570\u636e\u5e93\u7684\u4e3b\u8981\u6570\u636e\u96c6\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fde\u63a5\u5230\u6570\u636e\u5e93\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7 ADOConnection\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002
\nADOtable\uff1a\u4e3b\u8981\u7528\u4ee5\u64cd\u4f5c\u548c\u63d0\u53d6\u5355\u4e2a\u57fa\u8868\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fde\u63a5\u5230\u6570\u636e\u5e93\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7 ADOConnection\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002
\nADOquery\uff1a\u901a\u8fc7SQL \u8bed\u8a00\u63d0\u53d6\u6570\u636e\uff0c\u5176\u8fde\u63a5\u6570\u636e\u5e93\u7684\u65b9\u5f0f\u548c\u524d\u4e24\u79cd\u4e00\u6837\u3002
\nADOStoredProc\uff1a \u8fd9\u4e2a\u7ec4\u4ef6\u4e13\u95e8\u7528\u4e8e\u8fd0\u884c\u6570\u636e\u5e93\u4e2d\u7684\u5b58\u50a8\u8fc7\u7a0b\u3002
\nADOCommand\uff1a\u8be5\u7ec4\u4ef6\u7528\u4e8e\u8fd0\u884c\u4e00\u4e9bSQL \u547d\u4ee4\uff0c\u8fd9\u4e2a\u7ec4\u4ef6\u53ef\u4ee5\u548c\u652f\u6301\u6570\u636e\u96c6\u7684\u7ec4\u4ef6\u4e00\u8d77\u4f7f\u7528\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4ece\u4e00\u4e2a\u57fa\u8868\u4e2d\u63d0\u53d6\u4e00\u4e2a\u6570\u636e\u96c6\u3002
\nRDSConnection\uff1a \u4e00\u4e2a\u8fdb\u7a0b\u6216\u4e00\u53f0\u8ba1\u7b97\u673a\u4f20\u9012\u5230\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u6216\u8ba1\u7b97\u673a\u7684\u6570\u636e\u96c6\u5408\u3002
\n\u4e3a\u4e86\u8fde\u63a5\u6570\u636e\u7ed1\u5b9a\u63a7\u4ef6\uff0c\u4e0a\u8ff0\u7ec4\u4ef6\u5f80\u5f80\u8981\u548c\u5904\u4e8eData Access \u4e2d\u7684Datasource\u914d\u5408\u4f7f\u7528\u3002
\n\u53ef\u4ee5\u770b\u51fa\uff0c\u548cVB\u7684ADODC \u4e0d\u540c\u7684\uff0cDelphi\u4e2d\u89e3\u51b3\u540c\u4e00\u4e2a\u95ee\u9898\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6848\uff0c\u770b\u8d77\u6765\u4f3c\u4e4e\u589e\u52a0\u4e86\u9ebb\u70e6\uff0c\u4f46\u662f\u5374\u53ef\u4ee5\u7ed9\u7a0b\u5e8f\u5458\u66f4\u5927\u7684\u81ea\u7531\u7a7a\u95f4\uff0c\u4fbf\u4e8e\u8bbe\u8ba1\u51fa\u9ad8\u6548\u7387\u7684\u6570\u636e\u5e93\u7a0b\u5e8f\u6765\u3002
\n\u4e0b\u9762\u901a\u8fc7\u51e0\u4e2a\u4f8b\u5b50\u6765\u8bf4\u660eADO \u63a7\u4ef6\u7684\u7528\u6cd5\u3002<\/p>\n
\u7b2c\u4e09\u8282 ADOtable\u7ec4\u4ef6
\nADOtable\u3001ADOdataSet\u3001ADOquery\u548cADOStoredProc\u90fd\u7ee7\u627f\u540c\u4e00\u4e2a\u7236\u7c7bTCustomADODataSet\uff0c\u6240\u4ee5\uff0c\u5728\u5c5e\u6027\u4e8b\u4ef6\u548c\u65b9\u6cd5\u4e0a\u6709\u5f88\u591a\u76f8\u4f3c\u7684\u5730\u65b9\uff0c\u4f46\u5b83\u4e3b\u8981\u662f\u9488\u5bf9\u6570\u636e\u5e93\u4e2d\u7684\u8868\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n
ADO -\u3009ADOtable
\n\u5c5e\u6027\uff1a
\nName=’\u63a7\u4ef6\u540d’
\nConnectionString=’\u8fde\u63a5\u5b57\u7b26\u4e32’
\n\u53ef\u4ee5\u901a\u8fc7\u70b9\u51fb\u53f3\u8fb9\u7684\u6309\u94ae\uff0c\u901a\u8fc7\u5411\u5bfc\u5efa\u7acb\u6570\u636e\u6e90\u3002\u6709\u65f6\u5019\u9700\u8981\u77e5\u9053\u76f8\u5bf9\u8def\u5f84\uff0c\u53ef\u4ee5\u7528\u4e0b\u9762\u7684\u65b9\u6cd5\u627e\u5230\u7a0b\u5e8f\u5f53\u524d\u7684\u8def\u5f84\uff1a<\/p>\n
tpath:=ExtractFilepath(Application.Exename);<\/p>\n
\u6587\u4ef6\u540d\uff1a=Tpath+’..\\data\\Test.mdb’<\/p>\n
\u8868\u660e\u6570\u636e\u5e93\u5728\u5f53\u524d\u7a0b\u5e8f\u4e0a\u4e00\u5c42\u7684Data\u6587\u4ef6\u5939\u4e0b\u3002<\/p>\n
TableName=’\u8868\u540d’
\nActive=true<\/p>\n
\u8fd9\u5c31\u6fc0\u6d3b\u4e86\u6570\u636e\u6e90\uff0c\u4e3a\u4e86\u548c\u7ed1\u5b9a\u63a7\u4ef6\u8054\u7cfb\uff0c\u8981\u589e\u52a0\u4e00\u4e2aDadaSource\u63a7\u4ef6\u3002\u4e8b\u5b9e\u4e0a\uff0c\u6240\u6709\u7684\u7ed1\u5b9a\u63a7\u4ef6\u90fd\u662f\u548cDadaSource\u8054\u7cfb\u3002<\/p>\n
Data Access-\u3009DadaSource
\n\u5c5e\u6027\uff1a
\nDataset=ADOtable.Name<\/p>\n
\u52a0\u5165\u7ed1\u5b9a\u63a7\u4ef6\uff1a
\nData Controls-\u3009<\/p>\n
DBgrid\uff08\u8868\u683c\uff09
\n\u5c5e\u6027
\nDadaSource=’DadaSource.Name’<\/p>\n
DBNavigator\uff08\u5bfc\u822a\u6761\uff09
\n\u5c5e\u6027
\nDadaSource=’DadaSource.Name’<\/p>\n
\u8fd0\u884c\u4e00\u4e0b\u53ef\u4ee5\u770b\u51fa\u5173\u7cfb<\/p>\n
\u4e0b\u9762\u4ecb\u7ecd\u4e00\u4e0bADOtable\u7684\u4e00\u4e9b\u91cd\u8981\u7684\u65b9\u6cd5\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u5927\u90e8\u5206\u548cTable\u662f\u517c\u5bb9\u7684\u3002
\n\u4e3a\u4e86\u4fbf\u4e8e\u53d9\u8ff0\uff0cADOtable\u63a7\u4ef6\u7684Name\u5b9a\u4e3a ADOtable1<\/p>\n
1\uff09\u79fb\u52a8\u6307\u9488
\n\u7b2c\u4e00\u4e2a:\u00a0\u00a0 ADotable1.First;
\n\u6700\u540e\u4e00\u4e2a: ADotable1.Last;
\n\u4e0b\u4e00\u4e2a:\u00a0\u00a0 ADotable1.Next;
\n\u524d\u4e00\u4e2a:\u00a0\u00a0 ADotable1.Prior;<\/p>\n
2\uff09\u4ece\u5b57\u6bb5\u4e2d\u53d6\u51fa\u6570\u636e
\n\u901a\u8fc7\u5982\u4e0b\u65b9\u6cd5\u53ef\u4ee5\u8bbf\u95ee\u5b57\u6bb5\u7684\u503c<\/p>\n
ADOtable1.FieldValues[‘\u5b57\u6bb5\u540d’]
\nADOtable1.Field[\u7d22\u5f15\u503c]<\/p>\n
\u5728\u8bfb\u5199\u5b57\u6bb5\u7684\u65f6\u5019\uff0c\u53c8\u662f\u6839\u636e\u9700\u8981\u53ef\u4ee5\u52a0\u4e0a\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362
\n\u4f8b\u5982\uff1a
\nEdit1.text:=ADOtable1.Field[0].AsString;<\/p>\n
\u7528\u4e0b\u9762\u7684\u65b9\u6cd5\u53ef\u4ee5\u53bb\u9664\u5b57\u6bb5\u7684\u6027\u8d28\uff1a<\/p>\n
ADOtable1.fielddefs[\u7d22\u5f15\u503c].name;\u00a0\u00a0\u00a0\u00a0 \u5b57\u6bb5\u540d
\nADOtable1.fielddefs[\u7d22\u5f15\u503c].Size;\u00a0\u00a0\u00a0\u00a0 \u5b57\u6bb5\u5927\u5c0f
\nADOtable1.fielddefs[\u7d22\u5f15\u503c].Datatype; \u5b57\u6bb5\u5c5e\u6027<\/p>\n
3\uff09\u4fee\u6539\u6570\u636e\uff1a
\n\u4fee\u6539\u6570\u636e\u7684\u65f6\u5019\uff0c\u9700\u8981\u5148\u5efa\u7acbEDIT\u65b9\u6cd5\uff0c\u7136\u540e\u7528Post\u65b9\u6cd5\u624d\u80fd\u771f\u6b63\u7684\u5199\u5165\u3002<\/p>\n
ADOtable1.edit;
\nADOtable1.FieldValues[‘\u59d3\u540d’]:=’\u738b\u79c0\u7434’;
\nADOtable1.post;<\/p>\n
4\uff09\u589e\u52a0\u4e00\u6761\u7a7a\u7eaa\u5f55\uff1a ADOtable1.append;<\/p>\n
\u65b0\u589e\u7eaa\u5f55\u4e5f\u53ef\u4ee5\u7528\u5982\u4e0b\u65b9\u6cd5\uff0c\u5728\u65b0\u589e\u7eaa\u5f55\u7684\u540c\u65f6\u8f93\u5165\u6570\u636e<\/p>\n
ADOtable1.appendRecord(xxx,xxx,xxx,….)\uff1b<\/p>\n
5\uff09\u5220\u9664\u5f53\u524d\u7eaa\u5f55\uff1aADOtable1.delete;
\n\u5982\u679c\u5728ADOtable1\u7684OnBeforeDelete\u65b9\u6cd5\u4e2d\u5199\u4e0b\uff1a
\nif messagedlg(‘\u786e\u5b9e\u8981\u5220\u9664\u5417\uff1f’,mtinformation,[mbyes,mbno],
\n0)=mrno then abort();
\n\u53ef\u4ee5\u5b9e\u73b0\u5220\u9664\u524d\u7684\u63d0\u793a\u3002<\/p>\n
6\uff09\u8fc7\u6ee4
\n\u53ef\u4ee5\u7528\u5982\u4e0b\u7684\u65b9\u6cd5\u5b9e\u73b0\u6570\u636e\u7684\u8fc7\u6ee4<\/p>\n
\u5728ADOtable1\u7684OnFilterRecord\u65b9\u6cd5\u4e2d\u5199\u4e0b\uff1a
\nAccept:=(\u6761\u4ef6);<\/p>\n
\u7136\u540e<\/p>\n
ADOtable1.filtered:=true; \u4e3a\u5b9e\u73b0\u8fc7\u6ee4\u3002
\nADOtable1.filtered:=false; \u4e3a\u89e3\u9664\u8fc7\u6ee4\u3002<\/p>\n
7\uff09\u6307\u9488\u5728\u6587\u4ef6\u7684\u5934\u5c3e<\/p>\n
\u6307\u9488\u5728\u6700\u540e\u4e00\u6761\u8bb0\u5f55\u4e4b\u540e ADOtable1.Eof
\n\u6307\u9488\u5728\u7b2c\u4e00\u6761\u8bb0\u5f55\u4e4b\u524d\u00a0\u00a0\u00a0 ADOtable1.Bof<\/p>\n
\u5982\u6b64\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u6570\u636e\u5e93\u7684\u904d\u5386<\/p>\n
form1.ADOtable1.first;
\nwhile not form1.ADOtable1.eof do
\nBegin
\n…….
\nform1.ADOtable1.next;
\nEnd;<\/p>\n
8\uff09\u6b64\u5916\uff0c ADOtable\u7ec4\u4ef6\u8fd8\u7ee7\u627f\u4e86ADO \u4e2d\u7684RecordSet\u5bf9\u8c61\u51e0\u4e4e\u5168\u90e8\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u7b80\u8ff0\u5982\u4e0b\uff1a<\/p>\n
with adoTable1.Recordset do
\nbegin<\/p>\n
\/\/\u5c5e\u6027
\nPageSize\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4e00\u9875\u6240\u5305\u542b\u7684\u8bb0\u5f55\u6570
\nPageCount\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6570\u636e\u7684\u9875\u6570
\nAbsolutePage;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5f53\u524d\u8bb0\u5f55\u6240\u5728\u9875
\nAbsolutePosition;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5f53\u524d\u8bb0\u5f55\u7684\u5e8f\u53f7\u4f4d\u7f6e
\nBOF;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6307\u9488\u5728\u7b2c\u4e00\u4e2a\u8bb0\u5f55\u4e4b\u524d
\nEOF;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6307\u9488\u5728\u6700\u540e\u4e00\u4e2a\u8bb0\u5f55\u4e4b\u540e<\/p>\n
\/\/\u65b9\u6cd5
\nAddNew fieldList,Values;\u00a0\u00a0\u00a0\u00a0 \u521b\u5efa\u65b0\u8bb0\u5f55\uff0c\u5176\u4e2dfieldList\u4e3a\u7528\u6570
\n\u7ec4\u8868\u793a\u7684\u5b57\u6bb5\u540d\u96c6\uff0cValues\u4e3a\u7528\u6570\u7ec4\u8868
\n\u793a\u7684\u6570\u636e\u96c6\u3002
\nCancel;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u53d6\u6d88\u4e0a\u4e00\u6b65\u6240\u4f5c\u7684\u4fee\u6539
\nUpdate Fields,Values;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4fdd\u5b58\u5bf9\u5f53\u524d\u8bb0\u5f55\u6240\u4f5c\u7684\u4fee\u6539
\nDelete;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5220\u9664\u5f53\u524d\u8bb0\u5f55
\nMove(n);\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u79fb\u52a8n \u6761\u8bb0\u5f55
\nMoveFirst;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u79fb\u52a8\u5230\u7b2c\u4e00\u6761\u7eaa\u5f55
\nMoveLast;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u79fb\u52a8\u5230\u6700\u540e\u4e00\u6761\u7eaa\u5f55
\nMoveNext\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u79fb\u52a8\u5230\u4e0b\u4e00\u6761\u7eaa\u5f55
\nMovePrevious\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u79fb\u52a8\u5230\u4e0a\u4e00\u6761\u7eaa\u5f55
\nRequery;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u901a\u8fc7\u4ece\u65b0\u6267\u884c\u5bf9\u8c61\u6240\u57fa\u4e8e\u7684\u67e5\u8be2\uff0c\u4ee5
\n\u66f4\u65b0RecordSet \u5bf9\u8c61\u4e2d\u7684\u6570\u636e\u3002
\nend;<\/p>\n
\u4f7f\u7528Recordset \u5bf9\u8c61\u6765\u5904\u7406\u6570\u636e\u96c6\u7684\u6570\u636e\uff0c\u4f1a\u53d1\u73b0\u6570\u636e\u5e2e\u5b9a\u63a7\u4ef6\u7684\u6307\u9488\u4e00\u822c\u4e0d\u4f1a\u8ddf\u7740\u79fb\u52a8\uff0c\u8fd9\u5b9e\u9645\u4e0a\u7ed9\u8bbe\u8ba1\u8005\u63d0\u4f9b\u4e86\u53e6\u4e00\u4e2a\u5728\u540e\u53f0\u5feb\u901f\u5904\u7406\u6570\u636e\u7684\u65b9\u6cd5\u3002<\/p>\n
\u9644\u5f55\uff1a\u5173\u4e8eTActionList\u63a7\u4ef6\u7684\u4f7f\u7528
\n\u5728Standard\u9762\u677f\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e2aTActionList \u63a7\u4ef6\uff0c\u5b83\u96c6\u4e2d\u4e86\u5927\u90e8\u5206\u6309\u94ae\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7b80\u5316\u6309\u94ae\u7684\u8bbe\u8ba1\u3002
\n\u65b9\u6cd5\uff1a
\n\u8c03\u5165TActionList\uff0c\u53cc\u51fb\uff0c\u53ef\u4ee5\u770b\u5230\u4e00\u4e2a\u9762\u677f\uff0c\u53f3\u952e -\u3009New Standard Action \u9009\u62e9 Datasat\u4e0b\u7684\u9002\u5f53\u7684\u63a7\u5236\uff0c\u53ef\u4ee5\u9009\u62e9\u591a\u4e2a\u3002
\n\u4ee5\u540e\u52a0\u5165\u7684\u5f00\u5173\uff0c\u53ea\u8981\u5728\u5c5e\u6027Action \u4e2d\u9009\u62e9\u9002\u5f53\u7684\u9879\u76ee\u5c31\u53ef\u4ee5\u4e86\uff0c\u4e0d\u9700\u8981\u4e13\u95e8\u7f16\u7a0b\uff0c\u5b9e\u4f8b\u89c1\u201cActionList\u5e94\u7528\u201d\u3002<\/p>\n
\u7b2c\u56db\u8282 ADOQuery\u7ec4\u4ef6
\n\u548cADOtable\u7ec4\u4ef6\u4e00\u6837\uff0cADOquery\u7ee7\u627f\u4e86\u540c\u4e00\u4e2a\u7236\u7c7bTCustomADODataSet\uff0c\u6240\u4ee5\uff0c\u4e0a\u9762\u8bf4\u5230\u7684ADOtable\u5c5e\u6027\u4e8b\u4ef6\u548c\u65b9\u6cd5\u57fa\u672c\u4e0a\u662f\u901a\u7528\u7684\uff0c\u4f46\u5b83\u4e3b\u8981\u662f\u9488\u5bf9\u6570\u636e\u5e93\u4e2d\u7684SQL \u547d\u4ee4\u8fdb\u884c\u64cd\u4f5c\u3002
\n\u4e0b\u9762\u4e3b\u8981\u8bf4\u4e00\u4e0bADOquery\u7279\u6b8a\u7684\u5730\u65b9\u3002<\/p>\n
1\uff09SQL \u5c5e\u6027
\nSQL \u662fTStrings\u7c7b\u578b\u7684\u5c5e\u6027\uff0c\u5305\u542b\u4e86ADOquery\u7ec4\u4ef6\u8981\u6267\u884c\u7684SQL \u547d\u4ee4\uff0c\u662fADOquery\u6700\u4e3a\u91cd\u8981\u7684\u5c5e\u6027\u4e4b\u4e00\u3002
\n\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u9700\u8981\u8c03\u7528Open\u65b9\u6cd5\u6216\u8005ExecSQL \u65b9\u6cd5\u6765\u6267\u884c\u5728SQL \u4e2d\u7684\u547d\u4ee4\u3002\u5728\u8bbe\u8ba1\u9636\u6bb5\uff0c\u53ef\u4ee5\u5229\u7528\u5c5e\u6027\u7f16\u8f91\u8d77\u6765\u7f16\u5199\u3002
\n\u4f8b\u5982\uff1a
\nWidth ADOquery do
\nBegin
\n\/\/\u91cd\u65b0\u5199\u5165\u65f6\uff0c\u8981\u5173\u95ed\u539f\u6765\u7684\u67e5\u8be2
\nClose;
\nwidth SQL do
\nBegin
\n\/\/\u56e0\u4e3aAdd\u662f\u5728\u539f\u6765\u7684\u57fa\u7840\u4e0a\u52a0\u5165\uff0c\u6240\u4ee5\u5148\u6e05\u9664\u539f\u6765\u7684SQL\u547d\u4ee4
\nClear;
\nAdd(‘selsct \u7f16\u53f7,\u59d3\u540d,\u5956\u91d1’)
\nAdd(‘From \u5956\u91d1\u8868’)
\nEnd;
\n\/\/\u6267\u884cSQL \u547d\u4ee4
\nOpen;
\nEnd;<\/p>\n
\u67e5\u8be2\u547d\u4ee4\u4e5f\u53ef\u4ee5\u8fd9\u6837\u6765\u5199\uff1a<\/p>\n
s1:=’\u7f16\u53f7’;
\ns2:=’\u59d3\u540d’;
\ns3:=’\u91d1\u989d’;
\nwith ADOquery1 do
\nbegin
\nsql.Clear;
\nSQL.Add(‘select ‘);
\nSQL.Add(s1+’,’+s2+’,’+s3);
\nSQL.Add(‘ From \u5956\u91d1 ‘);
\nexecsql;
\nactive:=true;
\nend;<\/p>\n
\u6548\u679c\u662f\u4e00\u6837\u7684\u3002<\/p>\n
\u7b2c\u4e94\u8282 ADOConnection \u548c ADODataSet<\/p>\n
\u867d\u7136ADOTable\u548cADOQuery\u7ec4\u4ef6\u53ef\u4ee5\u975e\u5e38\u7b80\u5355\u7684\u8fde\u63a5\u6570\u636e\u5e93\uff0c\u4f46\u662f\u5f53\u9700\u8981\u66f4\u52a0\u7cbe\u7ec6\u7684\u63a7\u5236\u6570\u636e\u5e93\u7684\u65f6\u5019\uff0c\u5f80\u5f80\u9700\u8981\u5e94\u7528ADO \u66f4\u591a\u7684\u65b9\u6cd5\uff0c\u6211\u4eec\u77e5\u9053\uff0c\u652f\u6491ADO \u7684\u4e3b\u8981\u7531Connection\uff0cCommand\uff0cRecordsrt\u4e09\u4e2a\u5bf9\u8c61\u7ec4\u6210\uff0c \u5bf9\u5e94\u7684\u5c31\u6709ADOConnection\u548cADOCommand\u63a7\u4ef6\uff0c\u800cRecordsrt\u5bf9\u8c61\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u5c01\u88c5\u5728ADODataSet\u4e2d\uff0c\u540c\u65f6ADODataSet\u672c\u8eab\uff0c\u4e5f\u5177\u5907\u548cADOtable\u7ec4\u4ef6\u76f8\u540c\u7684\u5bf9\u6570\u636e\u7ed1\u5b9a\u63a7\u4ef6\u63a7\u503c\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002
\n\u8fd9\u5c31\u5927\u5927\u63d0\u9ad8\u4e86\u5bf9\u6570\u636e\u5e93\u7684\u63a7\u5236\u80fd\u529b\u3002
\n\u5728ADO \u9876\u5c42\u6709\u4e09\u4e2a\u5bf9\u8c61\u4e2dConnection\u5904\u5728\u6700\u9876\u5c42\uff0c\u7528\u4ee5\u6307\u5b9a\u6570\u636e\u6e90\uff0c\u5efa\u7acb\u548c\u6570\u636e\u6e90\u7684\u8fde\u63a5\u3002\u6240\u4ee5\uff0cADOConnection\u5fc5\u987b\u548c\u5176\u5b83\u7684\u6570\u636e\u63a7\u4ef6\u8fde\u63a5\u624d\u6709\u6548\uff0c\u6700\u5e38\u7528\u7684\u5c31\u662f\u548cADODataSet\u914d\u5408\u3002
\n\u4e0b\u9762\u9996\u5148\u4ecb\u7ecd\u8fde\u63a5\u65b9\u6cd5\uff0c\u7136\u540e\u518d\u8ba8\u8bba\u5176\u5b83\u7684\u95ee\u9898<\/p>\n
1\uff09ADOConnection\u7684\u52a0\u5165\u548c\u8fde\u63a5<\/p>\n
\u52a0\u5165ADOConnection
\n\u5c5e\u6027\uff1aConnectionString=’\u8fde\u63a5\u5b57\u7b26\u4e32’<\/p>\n
\u52a0\u5165ADODataSat
\n\u5c5e\u6027\uff1aConnection=’ADOConnection1′ ….. (ADOConnection,Name)
\nCommandType=cmdtable\u00a0\u00a0 …\u4f7f\u7528\u8868\u8fde\u63a5
\nCommandText \u6839\u636e\u4e0a\u9762\u7684\u9009\u62e9\uff0c\u6216\u9009\u62e9\u8868\uff0c\u6216\u51fa\u73b0SQL \u7f16\u8f91\u6846\u3002
\nActive=True \u6fc0\u6d3b\u3002
\n\u52a0\u5165DataSource
\n\u5c5e\u6027\uff1aDataset=ADODataSat \u5b8c\u6210\u8fde\u63a5\uff0c\u518d\u8fde\u63a5\u6570\u636e\u7ed1\u5b9a\u63a7\u4ef6\u3002<\/p>\n
2\uff09ADOConnection\u7684\u91cd\u8981\u5c5e\u6027\u548c\u65b9\u6cd5<\/p>\n
\u5c5e\u6027\uff1a<\/p>\n
a).Attributes
\n\u8bbe\u7f6e\u8fde\u63a5\u7684\u6570\u636e\u5e93\u81ea\u52a8\u5904\u7406\u4e8b\u52a1\u7684\u80fd\u529b
\nxCommitRetaining\uff1a\u63d0\u4ea4\u4e00\u4e2a\u4e8b\u52a1\u540e\u81ea\u52a8\u5f00\u59cb\u4e00\u4e2a\u65b0\u4e8b\u52a1
\nxAbortRetaining \uff1a\u56de\u9000\u4e00\u4e2a\u4e8b\u52a1\u7684\u540c\u65f6\u5f00\u59cb\u4e00\u4e2a\u65b0\u4e8b\u52a1<\/p>\n
b).Connected
\n\u6807\u8bc6\u548c\u6570\u636e\u5e93\u7684\u8fde\u63a5\u53d7\u5426\u5904\u4e8e\u6fc0\u6d3b\uff08True\uff09<\/p>\n
\u65b9\u6cd5\uff1a<\/p>\n
c).Open(UserID,PassWord)
\n\u6253\u5f00\u4e00\u4e2a\u8fde\u63a5\uff08\u53ef\u4ee5\u63d0\u4f9b\u7528\u6237\u540d\u548c\u5bc6\u7801\uff09<\/p>\n
d).Cancel
\n\u5173\u95ed\u6570\u636e\u5e93\u7684\u8fde\u63a5<\/p>\n
e).Close
\n\u91ca\u653e\u6240\u6709\u7684\u7cfb\u7edf\u5173\u8054\u8d44\u6e90<\/p>\n
f).Execute \u6267\u884c\u4e00\u4e2aSQL \u547d\u4ee4\u3002
\n\u5b8c\u6574\u7684\u8868\u8ff0\u662f<\/p>\n
Execute(SQL\u547d\u4ee4,\u8be5\u547d\u4ee4\u8bbe\u8ba1\u7684\u8bb0\u5f55\u6570\u76ee,Option)<\/p>\n
\u5176\u4e2d\uff0cOption\u7684\u503c\u5982\u4e0b<\/p>\n
eoAsyncExecute\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5f02\u6b65\u6267\u884c\u6307\u5b9a\u7684\u547d\u4ee4
\neoAsyncFetch\u00a0\u00a0\u00a0 \u7ed9\u5b9aCache\u5c5e\u6027\u7684\u503c\u540e\uff0c\u518d\u5f02\u6b65\u7684\u53d6\u5f97\u6570\u636e
\neoAsyncFetchNonBlocking\u00a0\u00a0 \u975e\u963b\u585e\u5f0f\u7ebf\u7a0b\u6267\u884c
\neoExecuteNoRecords\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6ca1\u6709\u8fd4\u56de\u7eaa\u5f55<\/p>\n
g).GetProcedureNames(List:Tstring);<\/p>\n
\u83b7\u53d6\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e0a\u7684\u5b58\u50a8\u8fc7\u7a0b\u540d\u79f0\uff0c\u8fc7\u7a0b\u540d\u4fdd\u7559\u5728List\u53c2\u6570\u4e2d\u3002
\nf).GetTableNames(List:Tstring;SystemTables:Boolean=False)<\/p>\n
\u83b7\u53d6\u6570\u636e\u5e93\u7684\u6570\u636e\u8868\uff0c\u8868\u540d\u5b58\u653e\u5728List\u53c2\u6570\u4e2d\uff0cSystemTables\u6307\u793a\u662f\u5426\u83b7\u53d6\u6570\u636e\u5e93\u7cfb\u7edf\u8868\u7684\u540d\u79f0\uff0c\u7cfb\u7edf\u8868\u662f\u5173\u4e8e\u6570\u636e\u5e93\u7c7b\u578b\u5b9a\u4e49\u548c\u7528\u6237\u4fe1\u606f\u7684\u6570\u636e\u8868\uff0c\u662f\u6570\u636e\u5e93\u672c\u8eab\u81ea\u52a8\u4ea7\u751f\u7684\u3002\u5728\u7279\u6b8a\u7684\u8bbe\u8ba1\u4e2d\uff0c\u8fd9\u4e2a\u8868\u683c\u53ef\u80fd\u4f1a\u6709\u7528\u3002<\/p>\n
3\uff09ADODataSet\u7684\u5c5e\u6027\u548c\u65b9\u6cd5
\n\u6211\u4eec\u5728ADOTable\u4e2d\u8ba8\u8bba\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u51e0\u4e4e\u90fd\u53ef\u4ee5\u5728ADODataSet\u4e2d\u5f97\u5230\u5e94\u7528\uff0c\u4f46\u8fd8\u6709\u51e0\u4e2a\u7279\u6b8a\u7684\u5c5e\u6027\uff1a<\/p>\n
CommandType<\/p>\n
\u4e3b\u8981\u7528\u4e8e\u63a7\u5236CommandText\u5c5e\u6027\u7684\u72b6\u6001\uff0c\u5176\u4e2d\uff1a<\/p>\n
cmdtable\u00a0\u00a0 …CommandText\u4f7f\u7528\u201c\u8868\u540d\u201d\u8fde\u63a5
\n\uff08\u5185\u90e8\u662f\u505a\u4e86SQL \u5bf9\u5404\u5217\u7684\u67e5\u8be2\uff09\uff1b
\ncmdTableDirect …CommandText\u4f7f\u7528\u201c\u8868\u540d\u201d\u8fde\u63a5
\n\uff08\u5185\u90e8\u4e0d\u505aSQL \uff0c\u800c\u662f\u771f\u6b63\u7684\u8868\u540d\u8fde\u63a5\uff09\uff1b
\ncmdtext\u00a0\u00a0 ….\u4f7f\u7528SQL\u547d\u4ee4\u6587\u672c\uff1b
\ncmdfile\u00a0\u00a0 ….CommandType\u5c5e\u6027\u503c\u4f5c\u4e3a\u6301\u4e45\u7684\u6587\u4ef6\u540d\uff1b
\ncmdStoredProc…CommandType\u5c5e\u6027\u503c\u4f5c\u4e3a\u5b58\u50a8\u8fc7\u7a0b\u540d\u79f0
\n\u6765\u8ba1\u7b97\uff1b
\ncmdUnKnown ….\u4e0d\u77e5\u9053\uff08\u9ed8\u8ba4\u4e3aSQL\uff09<\/p>\n
CommandText
\n\u6839\u636eCommandType\u7684\u8bbe\u7f6e\uff0c\u5411\u63d0\u4f9b\u8005\u53d1\u51fa\u201c\u8868\u540d\u201d\u6216SQL \u547d\u4ee4\u3002<\/p>\n
\u7b2c\u516d\u8282 TADOCommand\u5bf9\u8c61
\n\u5728ADO \u7684\u5c42\u6b21\u7ed3\u6784\u4e2d\uff0cCommand\u5bf9\u8c61\u548cRecordSet\u662f\u5904\u5728\u540c\u4e00\u5c42\u4e0a\uff0c\u5b83\u4e3b\u8981\u7528\u6765\u5bf9\u6570\u5267\u6e90\u6267\u884c\u6307\u5b9a\u7684\u547d\u4ee4\uff0c\u6bd4\u5982SQL \u8bed\u53e5\uff0c\u8868\u548c\u5b58\u50a8\u8fc7\u7a0b\u7684\u540d\u79f0\u3001\u66f4\u65b0\u6570\u636e\uff0c\u63d2\u5165\u7eaa\u5f55\u7b49\u3002\u867d\u7136\u5176\u5b83\u7684\u63a7\u4ef6\u4e5f\u80fd\u6267\u884c\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u4f46\u9700\u8981\u9047\u5230\u9700\u8981\u7528Command \u672c\u8eab\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u6765\u63a7\u5236\u6570\u636e\u6e90\u7684\u65f6\u5019\uff0c\u5229\u7528\u8fd9\u4e2a\u5bf9\u8c61\u5c06\u662f\u5341\u5206\u65b9\u4fbf\u7684\u4e8b\u60c5\u3002
\n\u4e3b\u8981\u5c5e\u6027\uff1a
\nCommandType
\nCommandText
\nCancel
\n\u548c\u4e0a\u9762\u4ecb\u7ecd\u7684\u76f8\u540c<\/p>\n
Assign(Source:Tpersistent)<\/p>\n
\u628a\u53e6\u4e00\u4e2aADOCommand \u7ec4\u4ef6\u7684\u6240\u6709\u5c5e\u6027\u590d\u5236\u5230\u5f53\u524d\u7684ADOCommand\u7ec4\u4ef6\u4e2d\uff0c\u8c03\u7528\u7684\u65f6\u5019\u6309\u540d\u5b58\u53d6\u7ec4\u4ef6\u5bf9\u8c61\u3002<\/p>\n
\u4e0b\u9762\u7684\u4f8b\u5b50\u53ef\u4ee5\u770b\u5230ADOConnection\u3001TADOCommand\u3001ADODataSet\u3001DataSource\u548c\u5176\u5b83\u6570\u636e\u7ed1\u5b9a\u63a7\u4ef6\u662f\u5982\u4f55\u4f5c\u7528\u7684\u3002
\n\u653e\u5165\u63a7\u4ef6
\nADOConnection
\nTADOCommand
\nADODataSet
\nDataSource
\nMemo
\nDBgrid
\nButton<\/p>\n
\u5c5e\u6027\uff08\u6ce8\u610f\u4e00\u4e0bTADOCommand1\u548cADODataSet1\u7684\u5173\u7cfb\u662f\u5e73\u7b49\u7684\uff09\uff1a<\/p>\n
ADOConnection1—ConnctionString=\u8fde\u63a5\u5b57\u7b26\u4e32
\nTADOCommand1—–Connection=ADOConnection1
\ncommandType=cmdText
\nADODataSet1 —–Connection=ADOConnection1
\ncommandType=cmdText
\nDataSource1 —–DataSet=ADODataSet1
\nMemo1 ———–List=\u7a7a
\nDBgrid1———-DataSource=DataSource1
\nButton1\u7684Click\u4e8b\u4ef6\u8fc7\u7a0b<\/p>\n
procedure TForm1.Button1Click(Sender: TObject);
\nvar str1,str2:string;
\nbegin<\/p>\n
\/\/\u53d6\u51fa\u8f93\u5165\u7684SQL \u8bed\u8a00<\/p>\n
str1:=trim(Memo1.text);<\/p>\n
\/\/\u7531\u4e8e\u6267\u884cSQL\u8bed\u8a00\u65f6\uff0c\u9664\u4e86select \uff0c\u5176\u5b83\u8bf8\u5982Insert,Delete,Update\u90fd\u9700\u8981\u4e8b\u5148\u5173\u95ed\u6570
\n\/\/\u636e\u96c6\uff0c\u6240\u4ee5\u4e0b\u9762\u628a\u524d\u516d\u4e2a\u5b57\u7b26\u53d6\u51fa\u6765\u4f5c\u4e3a\u5224\u65ad\u7684\u4f9d\u636e\u3002<\/p>\n
str2:=copy(str1,0,6);
\nADOCommand1.CommandText:=str1; \/\/ADOCommand1\u6267\u884c\u547d\u4ee4<\/p>\n
\/\/\u68c0\u67e5\u7528\u6237\u662f\u5426\u9001\u5165\u7684\u662fselect\u8bed\u53e5<\/p>\n
if str2=’select’ then
\nbegin
\nADODataset1.Recordset:=ADOCommand1.Execute;
\nADODataset1.Open;
\nend
\nelse
\nbegin
\n\/\/\u5148\u5173\u95ed\u6570\u636e\u96c6
\nADODataset1.Close;<\/p>\n
\/\/\u8fd9\u662f\u53e6\u4e00\u79cd\u6267\u884cSQL \u547d\u4ee4\u7684\u65b9\u6cd5,\u6267\u884cdelete\u7b49\u64cd\u4f5c
\nADOCommand1.Execute;<\/p>\n
\/\/\u6309\u5168\u90e8\u5b57\u6bb5\u9001\u5165SQL
\nADODataset1.CommandText:=’select * from \u5956\u91d1’;
\nADODataset1.Open;\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u91cd\u65b0\u6253\u5f00
\nend;
\nend;<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7b2c\u4e00\u8282 BDE\u3001ADO\u3001InterBase\u548cdbExpress Delphi\u4e2d\u5904\u7406\u6570\u636e\u5e93\u4e3b\u8981\u6709\u4e24\u79cd\u65b9\u6cd5\uff0c\u4e5f\u5c31\u662f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-657","post","type-post","status-publish","format-standard","hentry","category-code_related"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/657","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/comments?post=657"}],"version-history":[{"count":1,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/657\/revisions"}],"predecessor-version":[{"id":4719,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/657\/revisions\/4719"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}