{"id":658,"date":"2009-09-30T16:51:00","date_gmt":"2009-09-30T08:51:00","guid":{"rendered":""},"modified":"2013-11-17T17:05:20","modified_gmt":"2013-11-17T09:05:20","slug":"delphi%e6%95%b0%e6%8d%ae%e5%ba%93%e5%a4%84%e7%90%86%e4%ba%8c","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/658.html","title":{"rendered":"Delphi\u6570\u636e\u5e93\u5904\u7406(\u4e8c)"},"content":{"rendered":"

\u7b2c\u4e03\u8282 TADOStoredProc\u5bf9\u8c61<\/p>\n

\u5f53\u5e94\u7528\u7a0b\u5e8f\u5fc5\u987b\u4f7f\u7528\u6570\u636e\u5e93\u4e2d\u7684\u5b58\u50a8\u8fc7\u7a0b\u7684\u65f6\u5019\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528ADOStoredProc \u63a7\u4ef6\u3002
\n\u4e00\u4e2a\u5b58\u50a8\u8fc7\u7a0b\u662f\u4e00\u7ec4\u8bed\u53e5\uff0c\u63d0\u524d\u5efa\u7acb\u597d\u4fdd\u5b58\u5728\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u53cd\u590d\u88ab\u6267\u884c\uff0c\u5728\u670d\u52a1\u5668\u4e0a\u5b8c\u6210\u548c\u6570\u636e\u5e93\u6709\u5173\u7684\u4efb\u52a1\uff0c\u5e76\u5c06\u7ed3\u679c\u4f20\u7ed9\u7528\u6237\u3002
\n\u8bb8\u591a\u5b58\u50a8\u8fc7\u7a0b\u5728\u8fd0\u884c\u65f6\u8fd8\u9700\u8981\u4e00\u7cfb\u5217\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7Parameters\u5c5e\u6027\u6765\u8bbe\u7f6e\uff0c\u8fd9\u4e2a\u6570\u636e\u96c6\u548c\u5176\u5b83\u7684ADO \u6570\u636e\u96c6\u76f8\u4f3c\uff0c\u53ef\u5b8c\u6210\u7c7b\u4f3c\u7684\u4efb\u52a1\u3002<\/p>\n

\u4e3b\u8981\u5c5e\u6027\uff1a<\/p>\n

Active \u8bbe\u4e3atrue\u65f6\u6fc0\u6d3b\u6570\u636e\u96c6\uff1b
\nConnection \u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u6dfb\u52a0\u4e86ADOConnection\uff0c\u53ef\u4ee5\u5728\u8fd9\u91cc\u8fde\u63a5\uff1b
\nConnectionString \u5982\u679c\u6ca1\u6709Connection\u5c5e\u6027\uff0c\u53ef\u4ee5\u5728\u8fd9\u91cc\u505a\u8fde\u63a5\u5b57\u7b26\u4e32\uff1b
\nDataSource\u00a0\u00a0 \u8bbe\u7f6e\u53e6\u4e00\u4e2a\u6570\u636e\u6e90\uff0c\u4e00\u822c\u4e0d\u8981\u8bbe\u7f6e\uff0c\u4e8b\u5b9e\u4e0a\u5982\u679c\u8fd9\u6837\u505aDelphi\u4f1a\u62a5\u9519\uff1b
\nFilter\u00a0\u00a0\u00a0\u00a0 \u8bbe\u7f6e\u7b5b\u9009\u7eaa\u5f55\u7684\u6761\u4ef6\uff1b
\nFiltered\u00a0\u00a0 \u51b3\u5b9a\u662f\u5426\u6fc0\u6d3bFilter\u4e2d\u8bbe\u7f6e\u7684\u7b5b\u9009\u6761\u4ef6\uff1b
\nParameters \u8bbe\u7f6e\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u4f7f\u7528\u53c2\u6570\u7684\u5c5e\u6027\uff1b
\nProcedureName\u00a0\u00a0 \u8bbe\u7f6e\u6570\u636e\u96c6\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\u7684\u540d\u5b57\uff0c\u53ef\u4ee5\u7528\u4e0b\u62c9\u83dc\u5355\u9009\u62e9\u3002<\/p>\n

\u4e3b\u8981\u65b9\u6cd5<\/p>\n

DeleteRecords \u5220\u9664\u4e00\u6761\u6216\u591a\u6761\u7eaa\u5f55
\nEdit \u8bbe\u7f6e\u6570\u636e\u96c6\u4e3a\u7f16\u8f91\u72b6\u6001
\nEnableCountrols \u4f7f\u6570\u636e\u7ed1\u5b9a\u63a7\u4ef6\u663e\u793a\u6570\u636e
\nDisableCountrols \u4f7f\u6570\u636e\u7ed1\u5b9a\u63a7\u4ef6\u4e0d\u663e\u793a\u6570\u636e
\nFirst \u6307\u9488\u6307\u5411\u7b2c\u4e00\u6761\u7eaa\u5f55
\nLast\u00a0\u00a0 \u6307\u9488\u6307\u5411\u6700\u540e\u4e00\u6761\u7eaa\u5f55
\nPrior \u6307\u9488\u6307\u5411\u4e0a\u4e00\u6761\u7eaa\u5f55
\nNext\u00a0\u00a0 \u6307\u9488\u6307\u5411\u4e0b\u4e00\u6761\u7eaa\u5f55
\nMoveBy(n) \u6307\u9488\u6307\u5411\u524d\u6216\u540e\u7684\u7b2cn \u6761\u7eaa\u5f55
\nGetFieldData \u628a\u4e00\u4e2a\u5b57\u6bb5\u7684\u5f53\u524d\u503c\u63d0\u53d6\u5230\u7f13\u5b58\u4e2d\u53bb
\nIsEmpty \u5224\u65ad\u4e00\u4e2a\u6570\u636e\u96c6\u662f\u5426\u4e3a\u7a7a
\nOpen \u6253\u5f00\u4e00\u4e2a\u6570\u636e\u96c6
\nRefresh \u91cd\u65b0\u4ece\u6570\u636e\u5e93\u4e2d\u63d0\u53d6\u6570\u636e\u66f4\u65b0\u6570\u636e\u96c6
\nADOStoredProc\u7684\u4e3b\u8981\u7684\u4e8b\u4ef6\u4e0eADOQuery\u57fa\u672c\u76f8\u540c\uff0c\u53ef\u4ee5\u53c2\u8003\u4f7f\u7528\u3002<\/p>\n

\u7b2c\u516b\u8282 \u4e3b\u4ece\u7ed3\u6784\u7684\u6570\u636e\u5e93\u5e94\u7528\u7a0b\u5e8f
\n\u4e3b\u4ece\u7ed3\u6784\u7684\u6570\u636e\u5e93\u5e94\u7528\u7a0b\u5e8f\uff0c\u662f\u5c5e\u4e8e\u6570\u636e\u5e93\u7684\u9ad8\u7ea7\u5e94\u7528\u6280\u672f\uff0c\u4e0b\u9762\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u5b9e\u4f8b\u6765\u8bf4\u660e\u5efa\u7acb\u8fd9\u79cd\u6570\u636e\u5e93\u5e94\u7528\u7a0b\u5e8f\u7684\u65b9\u6cd5\u3002<\/p>\n

1\uff09\u5efa\u7acb\u4e3b\u4ece\u7ed3\u6784<\/p>\n

\u52a0\u5165 ADOTabl1:
\n\u5c5e\u6027
\nConnectionstring=\u8fde\u63a5\u5b57\u7b26\u4e32
\nTablename=\u8868\u540d
\nActive=true \u6fc0\u6d3b<\/p>\n

\u52a0\u5165 Datasource1
\n\u5c5e\u6027
\nDataSet=ADOTable1<\/p>\n

\u8fde\u63a5\u4e0a\u4e3b\u8868\uff0c\u505a\u4e0a\u6709\u5173\u7684\u7ed1\u5b9a\u63a7\u4ef6<\/p>\n

\u4e0b\u9762\u505a\u4ece\u8868<\/p>\n

\u52a0\u5165 ADOTabl2:
\n\u5c5e\u6027
\nConnectionstring=\u8fde\u63a5\u5b57\u7b26\u4e32
\nTablename=\u8868\u540d
\nActive=true \u6fc0\u6d3b<\/p>\n

\u4e0b\u9762\u662f\u505a\u4e3b\u4ece\u8868\u7684\u5173\u952e\uff08\u5728ADOTabl2\u4e2d\uff09
\nMasterSource=DataSource1
\nMasterFields=\u8fde\u63a5\u5b57\u6bb5
\n\uff08\u70b9..\u51fa\u73b0\u5bf9\u8bdd\u6846\uff0c\u9009\u4e2d\u4e24\u4e2a\u8868\u7684\u8fde\u63a5\u5b57\u6bb5\uff0cAdd \u52a0\u5165\uff0cOk\uff09
\n\u8fd9\u5c31\u5b8c\u6210\u4e86\u4e3b\u4ece\u8868\u7684\u8fde\u63a5<\/p>\n

\u52a0\u5165 Datasource2
\n\u5c5e\u6027
\nDataSet=ADOTable2<\/p>\n

\u8fde\u63a5\u7ed1\u5b9a\u63a7\u4ef6<\/p>\n

\u89c2\u5bdf\u4e3b\u4ece\u8868\u7684\u5de5\u4f5c\u60c5\u51b5\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u51e0\u4e4e\u5bf9\u6240\u6709\u7684Delphi\u6570\u636e\u5e93\u63a7\u4ef6\u90fd\u662f\u9002\u7528\u7684\u3002<\/p>\n

\u7b2c\u4e5d\u8282 BDE \u7684\u5e94\u7528<\/p>\n

BDE \u662fBorland\u5f00\u53d1\u7684\u6700\u6210\u719f\u7684\u6570\u636e\u63a7\u5236\u5bf9\u8c61\u96c6\uff0c\u5b83\u5bf9\u4e8e\u50cfOracle\u8fd9\u4e9b\u7b2c\u4e09\u65b9\u6570\u636e\u5e93\uff0c\u7531\u4e8e\u662f\u76f4\u63a5\u7531\u5f00\u53d1\u5546\u63d0\u4f9b\u4e86\u9a71\u52a8\u7a0b\u5e8f\uff0c\u6240\u4ee5\u6267\u884c\u6548\u7387\u6bd4\u8f83\u9ad8\uff0c\u5230\u73b0\u5728\u4ecd\u7136\u53d7\u5230\u4e0d\u5c11\u7a0b\u5e8f\u5458\u7684\u6b22\u8fce\u3002
\n\u5b83\u91cc\u9762\u4e3b\u8981\u662ftable\u548cQuery\u4e24\u4e2a\u6570\u636e\u6e90\u63a7\u4ef6\u3002\u4ece\u6027\u80fd\u548c\u4f7f\u7528\u65b9\u6cd5\u90fd\u548cADOtable\u548cADOQuery \u76f8\u4f3c\u7684\uff08Recordset\u5c5e\u6027\u548c\u65b9\u6cd5\u9664\u5916\uff0c\u8fd9\u662fADO \u7279\u6709\u7684\uff09\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5b83\u4eec\u8fde\u63a5\u6570\u636e\u6e90\u7684\u65b9\u5f0f\u91c7\u7528\u4e86\u522b\u540d\uff0c\u4e5f\u5c31\u662f\u5e94\u7528\u7684\u65f6\u5019\u4e8b\u5148\u4e00\u5b9a\u8981\u8bbe\u8ba1\u597dODBC\u6570\u636e\u6e90\uff0c\u5e76\u7ed9\u5b9a\u6570\u636e\u6e90\u4e00\u4e2a\u522b\u540d\u3002
\n\u5c5e\u6027
\nDatabaseName=\u522b\u540d
\n\u5728table\u4e2d\uff0cTableName=\u8868\u540d
\n\u5728Query\u4e2d\uff0cSQL=SQL\u547d\u4ee4
\n\u7136\u540e
\nActive=true
\n\u5c31\u8fde\u63a5\u4e0a\u4e86\u3002
\nODBC\u6570\u636e\u6e90\u7684\u522b\u540d\uff0c\u5b9e\u9645\u4e0a\u662f\u5199\u5165\u8ba1\u7b97\u673a\u7684\u6ce8\u518c\u8868\u7684\uff0c\u6240\u4ee5\u5982\u679c\u5e0c\u671b\u901a\u8fc7\u7a0b\u5e8f\u6765\u8bbe\u7f6e\u522b\u540d\uff0c\u53ef\u4ee5\u901a\u8fc7\u7a0b\u5e8f\u76f4\u63a5\u6539\u5199\u6ce8\u518c\u8868\u6765\u89e3\u51b3\uff0c\u5177\u4f53\u8bf7\u770b\u5b9e\u4f8b\u3002<\/p>\n

\u4e00\u3001Ttable\u7ec4\u4ef6<\/p>\n

\u8be5\u7ec4\u4ef6\u7528\u6765\u8868\u793a\u6570\u636e\u5e93\u7684\u4e00\u4e2a\u57fa\u8868\uff0c\u5b83\u7684\u4e3b\u8981\u5c5e\u6027\u5982\u4e0b\uff1a<\/p>\n

DatabasName:\u6570\u636e\u6e90\u7684\u540d\u5b57
\nTableName: \u8868\u7684\u540d\u5b57
\nActive:\u00a0\u00a0\u00a0\u00a0 true\u8868\u793a\u6d3b\u52a8<\/p>\n

Filter: \u6570\u636e\u7b5b\u9009
\nFiltered: \u63a7\u5236Filter\u7684\u4f7f\u7528\uff0cFalse\u5219\u7b5b\u9009\u4e0d\u8d77\u4f5c\u7528\u3002
\nFilterOptions\uff1a\u5176\u4e2d\u5305\u62ec\u4e24\u4e2a\u9009\u9879
\nfoCaseInsensitive \u51b3\u5b9a\u662f\u5426\u4e25\u683c\u6309\u7167Filter\u6761\u4ef6\u4e2d\u5927\u5c0f\u5199\u5339\u914d\u67e5\u8be2\uff0ctrue\u4e3a\u5927\u5c0f\u5199\u5339\u914d\u3002
\nfoNoPartialCompare
\n\u201c*\u201d\u662f\u5426\u4f5c\u4e3a\u6570\u5b57\u7edf\u914d\u7b26\u5b58\u5728\uff0ctrue \u5219\u89c6\u4e3a\u5355\u4e2a\u5b57\u7b26\uff0cfalse\u5219\u89c6\u4e3a\u7edf\u914d\u7b26\u3002
\nIndexFieldNames \u8bbe\u7f6e\u90a3\u4e9b\u5b57\u6bb5\u8fdb\u884c\u8bb0\u5f55\u7684\u6392\u5e8f\uff0c\u9017\u53f7\u95f4\u9694\uff0c\u8fd9\u4e9b\u5b57\u6bb5\u5fc5\u987b\u662f\u5173\u952e\u5b57\u7aef\u3002
\nIndexName \u8bbe\u7f6e\u57fa\u8868\u7684\u7b2c\u4e8c\u4e2a\u7d22\u5f15\u5b57\u6bb5\uff0c\u5982\u679c\u8fd9\u4e2a\u5c5e\u6027\u662f\u7a7a\u7684\uff0c\u5219\u57fa\u8868\u6309\u9ed8\u8ba4\u7d22\u5f15\u6392\u5e8f\u3002
\nMasterSource \u5728\u4e3b\u4ece\u8868\u5173\u7cfb\u4e2d\uff0c\u8bbe\u7f6e\u4ece\u8868\u5173\u8054\u7684\u4e3b\u8868\u5bf9\u5e94\u6570\u636e\u6e90\u3002
\nMasterFields<\/p>\n

\u522b\u540d\u548c\u8868\u540d\u8c03\u7528\u7684\u5b9e\u4f8b\uff1a<\/p>\n

\r\nunit Unit1;\r\n\r\ninterface\r\n\r\nuses\r\nWindows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,\r\nDialogs, StdCtrls, DB, DBTables;\r\n\r\ntype\r\nTForm1 = class(TForm)\r\nDatabase1: TDatabase;\r\nSession1: TSession;\r\nTable1: TTable;\r\nButton1: TButton;\r\nComboBox1: TComboBox;\r\nListBox1: TListBox;\r\nLabel1: TLabel;\r\nButton2: TButton;\r\nprocedure Button1Click(Sender: TObject);\r\nprocedure Button2Click(Sender: TObject);\r\nprivate\r\n{ Private declarations }\r\npublic\r\n{ Public declarations }\r\nend;\r\n\r\nvar\r\nForm1: TForm1;\r\n\r\nimplementation\r\n\r\n{$R *.dfm}\r\n\r\nprocedure TForm1.Button1Click(Sender: TObject);\r\nvar I: Integer;\r\nDBNames: TStrings;\r\nbegin\r\nDBNames := TStringList.Create;\r\n\/\/Session1.GetDatabaseNames(DBNames);\r\nSession1.GetdatabaseNames(DBNames);\r\nfor I := 0 to DBNames.Count - 1 do\r\nComboBox1.Items.Add(DBNames[I]);\r\n\r\nDatabase1.GetTableNames(ListBox1.Items, False);\r\nend;\r\n\r\n{ADOConnection1.GetTableNames(ListBox2.Items, False);\r\nDatabase1.GetTableNames(ListBox1.Items, False);}\r\n\r\nprocedure TForm1.Button2Click(Sender: TObject);\r\nbegin\r\nDatabase1.Close;\r\nDatabase1.AliasName:= ComboBox1.Text;\r\nDatabase1.Open;\r\nListBox1.Clear;\r\nDatabase1.GetTableNames(ListBox1.Items, False);\r\nend;\r\n\r\nend.\r\n\r\n<\/pre>\n
\u7b2c\u5341\u8282 \u5f00\u53d1InterBase\u5e94\u7528\u7a0b\u5e8f
\nInterBase\u6570\u636e\u5e93\u662fBorland\u516c\u53f8\u5f00\u53d1\u7684\u6570\u636e\u5e93\u4ea7\u54c1\uff0c\u5728Borland\u4ea7\u54c1\u5f97\u5230\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u8be5\u6570\u636e\u5e93\u662fDelphi\u548cKylix\uff08\u88ab\u79f0\u4f5cLinux\u4e0b\u7684Delphi\uff09\u5f00\u53d1\u7684\u8de8\u5e73\u53f0\u5e94\u7528\u7a0b\u5e8f\u53ef\u7528\u7684\u6570\u636e\u5e93\u4e4b\u4e00\uff08\u5176\u5b83\u8fd8\u6709Qracle\u3001MySQL\u3001DB2\uff09\u3002InterBase \u6709\u4e0eDelphi\u7ed3\u5408\u7d27\u5bc6\u7684\u7279\u70b9\uff0c\u800c\u4e14\uff0c\u5728Delphi\u5b89\u88c5\u76d8\u4e2d\u3002\u8fd8\u63d0\u4f9b\u4e86InterBase \u6570\u636e\u670d\u52a1\u548c\u5ba2\u6237\u7aef\u8f6f\u4ef6\uff0c\u53ef\u4ee5\u65b9\u4fbf\u7684\u6784\u7b51InterBase\u6570\u636e\u5e93\u7684\u5f00\u53d1\u73af\u5883\u3002
\nInterBase \u7684\u7ec4\u4ef6\u90fd\u653e\u5728InterBase\u9762\u677f\u4e2d\uff0c\u4ece\u4f7f\u7528\u65b9\u6cd5\u4e0a\u6765\u8bf4\uff0c\u548c\u4e0a\u9762\u4ecb\u7ecd\u7684BDE \u6216\u8005ADO \u76f8\u4f3c\uff0c\u53ef\u4ee5\u81ea\u5df1\u67e5\u9605\u6709\u5173\u8d44\u6599\u3002
\n\u8fd9\u91cc\u5c31\u4e0d\u518d\u8ba8\u8bba\u4e86\u3002<\/p>\n
\u7b2c\u5341\u4e00\u8282 dbExpress\u6570\u636e\u5e93\u63a7\u5236
\ndbExpress \u662fDelphi 6.0 \u65b0\u52a0\u7684\u529f\u80fd\uff0cdbExpress\u662f\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684\u3001\u4e0d\u4f9d\u8d56\u4e8e\u6570\u636e\u5e93\u7684\u4e00\u4e2a\u72ec\u7acb\u7684\u5c42\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e9b\u65b9\u6cd5\u7528\u4e8e\u52a8\u6001SQL\u7684\u5904\u7406\u3002\u5b83\u5b9a\u4e49\u4e86\u4e00\u4e2a\u63a5\u53e3\u7528\u4e8e\u8bbf\u95ee\u4e0d\u540c\u7684SQL \u670d\u52a1\u5668\uff0c\u5e76\u4e3a\u5404\u79cd\u6570\u636e\u5e93\u63d0\u4f9b\u4e86\u9a71\u52a8\u7a0b\u5e8f\u3002
\n\u8fd9\u4e9b\u9a71\u52a8\u7a0b\u5e8f\u5728Windows\u548cLinux\u4e0b\u90fd\u80fd\u4f7f\u7528\uff08Windows\u4e0b\u4e3a\u52a8\u6001\u8fde\u63a5\u5e93.DLL\uff0c\u800c\u5728Linux\u4e0b\u4e3a\u5171\u4eab\u5bf9\u8c61.so\u6587\u4ef6\uff09\u3002 \u8fd9\u79cdAPI \u9a71\u52a8\uff0c\u51cf\u5c11\u4e86\u6570\u636e\u5e93\u5f15\u64ce\u9700\u8981\u7684\u989d\u5916\u5f00\u9500\u3002
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\n\u76ee\u524d\u5728dbExpress\u80fd\u591f\u5e94\u7528\u7684\u6570\u636e\u5e93\u6709Qracle\u3001MySQL\u3001DB2\u548cInterBase\uff0c\u8fd9\u91cc\u4ee5InterBase \u6570\u636e\u5e93\u4e3a\u4f8b\u3002<\/p>\n
\u4e00\u3001\u5355\u5411\u7684\u6570\u636e\u8fde\u63a5
\n\u5b9e\u4f8b\u6570\u636e\u5e93\u4e3aDelphi\u63d0\u4f9b\u7684Employee.gdb\u3002<\/p>\n
1\uff09\u52a0\u5165 TSQLConnection
\n\u5c5e\u6027\uff1a
\nLoginPrompt=False\u00a0\u00a0 \u4e0d\u7528\u7528\u6237\u540d\u548c\u5bc6\u7801\u663e\u793a
\nDirverName=InterBase\u00a0\u00a0\u00a0 \u9a71\u52a8\u7a0b\u5e8f\u540d
\nConnectionName=IBLoca\u00a0\u00a0 \u9ed8\u8ba4\u6570\u636e\u5e93\uff08Database.gdb\uff09
\nParams \u70b9\u5bf9\u8bdd\u6846\u51fa\u73b0\u4fe1\u606f\u8868\uff0c\u4fee\u6539\u6570\u636e\u5e93\u7684\u540d\u5b57Employee.gdb
\nConnected=true \u5982\u679c\u8fde\u63a5\u6b63\u786e\uff0c\u5c06\u53ef\u4ee5\u987a\u5229\u7684\u4e3atrue;<\/p>\n
2\uff09\u52a0\u5165 TSQLDataset
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\nCommandType=ctTable\u00a0\u00a0\u00a0\u00a0 \u7528\u8868\u540d\u8fde\u63a5
\nCommandText=\u8868\u540d
\nActive=true\u00a0\u00a0\u00a0\u00a0 \u5982\u679c\u6b63\u786e\uff0c\u5c06\u53ef\u4ee5\u4e3atrue\uff1b<\/p>\n
3\uff09\u52a0\u5165 TDataSource
\n\u5c5e\u6027\uff1a
\nDataSet=SQLDataSet\u540d\u5b57<\/p>\n
4\uff09\u52a0\u5165\u6570\u636e\u7ed1\u5b9a\u63a7\u4ef6\uff0c\u7531\u4e8e\u4e0d\u7528\u7f13\u5b58\uff0c\u6240\u4ee5\u4e0d\u80fd\u7528DBGrid\uff0c\u8fd9\u91cc\u53ea\u7528\u7b80\u5355\u7684DBEdit\u3002
\n\u6ce8\u610f\u5c5e\u6027\uff1a
\nDataSource=DataSource\u540d\u5b57
\nDataField=\u5b57\u6bb5\u540d<\/p>\n
5\uff09\u6ce8\u610f\uff0cSQLDataset\u79fb\u52a8\u6307\u9488\u53ea\u6709\u4e24\u4e2a\u65b9\u6cd5<\/p>\n
SQLdataset1.Next;
\nSQLdataset1.First;<\/p>\n
\u8fd9\u5c31\u53ef\u4ee5\u8fd0\u884c\u4e86\u3002<\/p>\n
\u4e8c\u3001\u53ef\u4ee5\u4fee\u6539\u7684\u6570\u636e\u8fde\u63a5<\/p>\n
\u505a\u4e00\u4e2a\u4e3b\u4ece\u7ed3\u6784\u7684\u6570\u636e\u663e\u793a\uff0c\u8981\u6c42\u4ece\u8868\u662f\u53ef\u4ee5\u4fee\u6539\u7684\uff0c\u800c\u4e14\u8981\u7528DBGrid\uff0c\u6240\u4ee5\uff0c\u8fd9\u91cc\u8981\u7528\u4e00\u4e2a\u65b0\u7684\u63a7\u4ef6\u6765\u8054\u7cfb\uff1a<\/p>\n
TSQLClientDataSet<\/p>\n
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\n\u5c5e\u6027\uff1a
\nLoginPrompt=False\u00a0\u00a0 \u4e0d\u7528\u7528\u6237\u540d\u548c\u5bc6\u7801\u663e\u793a
\nDirverName=InterBase\u00a0\u00a0\u00a0 \u9a71\u52a8\u7a0b\u5e8f\u540d
\nConnectionName=IBLoca\u00a0\u00a0 \u9ed8\u8ba4\u6570\u636e\u5e93\uff08Database.gdb\uff09
\nParams \u70b9\u5bf9\u8bdd\u6846\u51fa\u73b0\u4fe1\u606f\u8868\uff0c\u6539\u6570\u636e\u5e93\u540d:Employee.gdb
\nConnected=true \u5982\u679c\u8fde\u63a5\u6b63\u786e\uff0c\u5c06\u53ef\u4ee5\u987a\u5229\u7684\u4e3atrue;<\/p>\n
1\uff09\u505a\u4e3b\u8868<\/p>\n
\u52a0\u5165 TSQLDataset
\n\u5c5e\u6027\uff1a
\nSQLConnection=SQLConnection1
\nCommandType=ctTable\u00a0\u00a0\u00a0\u00a0 \u7528\u8868\u540d\u8fde\u63a5
\nCommandText=PROJECT\u00a0\u00a0\u00a0\u00a0 (\u8fd9\u662f\u5728Employee.gdb\u5185\u7684\u4e00\u4e2a\u8868)
\nActive=true\u00a0\u00a0\u00a0\u00a0 \u5982\u679c\u6b63\u786e\uff0c\u5c06\u53ef\u4ee5\u4e3atrue\uff1b<\/p>\n
\u52a0\u5165 TDataSource
\n\u5c5e\u6027\uff1a
\nDataSet=SQLDataSet1<\/p>\n
\u52a0\u5165\u6570\u636e\u7ed1\u5b9a\u63a7\u4ef6\u4e24\u4e2aDBEdit\uff0c\u663e\u793a\u5b57\u6bb5\u5206\u522b\u4e3aPROJ_ID\u548cPROJ_NAME\u3002
\n\u7528\u540c\u6837\u7684\u65b9\u6cd5\u4f5c\u4e24\u4e2a\u6307\u9488\u79fb\u52a8\u7684Button\u3002<\/p>\n
2\uff09\u505a\u4ece\u8868<\/p>\n
\u52a0\u5165TSQLClientDataSet
\n\u5c5e\u6027\uff1a
\nSQLConnection=SQLConnection1
\nCommandType=ctTable\u00a0\u00a0\u00a0\u00a0 \u7528\u8868\u540d\u8fde\u63a5
\nCommandText=PROJ_DEPT_BUDGET (\u8fd9\u662f\u5728Employee.gdb\u5185\u7684\u53e6\u4e00\u4e2a\u8868)
\nActive=true\u00a0\u00a0 \uff08\u6fc0\u6d3b\uff09
\n\u505a\u4e3b\u4ece\u8fde\u63a5
\nMasterSource=DataSource1
\nMasterFierds=PROJ_ID\u00a0\u00a0\u00a0 \uff08\u8fde\u63a5\u5b57\u6bb5\uff09<\/p>\n
\u52a0\u5165 TDataSource
\n\u5c5e\u6027\uff1a
\nName=DataSource2
\nDataSet=SQLClientDataSet1<\/p>\n
\u52a0\u5165DBGrid\uff0c\u4e0eDataSource2\u8fde\u63a5\u3002<\/p>\n
\u8fd9\u5c31\u5b8c\u6210\u4e86\u4e00\u4e2a\u4e3b\u4ece\u8868\u5236\u4f5c\uff0c\u8bd5\u9a8c\u4e00\u4e0b\uff0c\u53ef\u4ee5\u53d1\u73b0\u4ece\u8868\u662f\u53ef\u4ee5\u4fee\u6539\u7684\u3002
\n\u4ed4\u7ec6\u7814\u7a76\u4e00\u4e0b\u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u5f52\u7eb3\u51fa\u8bbe\u8ba1\u7684\u4e00\u822c\u65b9\u6cd5\u3002\u4e00\u822c\u6765\u8bf4\uff0cdbExpress\u4e3b\u8981\u5728\u7f51\u7edc\u4e2d\u4f7f\u7528\uff0c\u7279\u522b\u662f\u540e\u9762\u5c06\u8981\u63d0\u5230\u7684WebSnap \u5feb\u901f\u7f51\u7edc\u5f00\u53d1\u65b9\u6cd5\uff0c\u5c06\u4f1a\u7ed9dbExpress \u4ee5\u5f88\u5927\u7684\u65bd\u5c55\u7a7a\u95f4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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