实现把表的数据导出到EXCEL并打印实例代码
首先加入这两句:
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#include "utilcls.h" #include "comobj.hpp"
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下面正式开始:
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void __fastcall TMainForm::ToExcel(TADOQuery *TT,AnsiString str)
{ //TT为被导出数据的表,str为命令(具体看代码底部的if语句)
#define PG OlePropertyGet
#define PS OlePropertySet
#define FN OleFunction
#define PR OleProcedure
Variant excel;
try
{
excel=CreateOleObject( "Excel.Application" ); //启动Excel
}
catch (...)
{
ShowMessage( "无法启动Excel,请检查是否已经安装EXCEL!" );
}
excel.PS( "Visible" , (Variant) true ); //使Excel启动后可见
excel.PG( "workbooks" ).FN( "Add" , 1); //单工作表
for ( int i=0;i<TT->FieldCount;i++) //首先给EXCEL添加表的字段名
{
excel.Exec(PropertyGet( "Cells" )<<1<<i+1).Exec(PropertySet( "Value" )<<TT->FieldList->Strings[i]);
}
for ( int j=0;j<TT->FieldCount;j++) //按字段排列
{ TT->First();
for ( int i=0;i<TT->RecordCount;i++) //按数据顺序排雷
{
excel.Exec(PropertyGet( "Cells" )<<i+2<<j+1).Exec(PropertySet( "Value" )<<TT->FieldByName(TT->FieldList->Strings[j])->AsString);
TT->Next();
}
}
if (str== "导出" ){} //如果是导出,就什么都不干
if (str== "打印" ) //如果是打印
excel.OlePropertyGet( "ActiveWorkBook" ).OlePropertyGet( "ActiveSheet" ).OleFunction( "PrintOut" );
if (str== "打印浏览" ) //如果是打印浏览
excel.OlePropertyGet( "ActiveWorkBook" ).OlePropertyGet( "ActiveSheet" ).OleFunction( "PrintPreview" );
excel.~Variant();
}
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原文链接:http://blog.csdn.net/hellogv/article/details/1505383