QT EXCEL 操作

#include <QtSql/QSqlDatabase>
#include <QtSql/QSqlQuery>
#include <QFileDialog>
#include <QtDebug>

//调用方法，如下：
QString fileName = QFileDialog::getSaveFileName(this, tr("Excel file"), qApp->applicationDirPath (), tr("Excel Files (*.xls)"));
if (fileName.isEmpty())
return;
QMessageBox::about(this, tr("您将要建立的Excel文件"), fileName );
if (excel(fileName)>0 )//调用导出Excel方法
{
QMessageBox::about(this, tr("Excel文件 导出完成"), fileName );
QSqlDatabase::removeDatabase("excelexport");
}

//对于excel的到处操作如下：
int ww::excel(QString fileName)
{
QString sheetName;
sheetName="mydatas";
qDebug() <<"fileName"<<fileName;
QSqlDatabase db = QSqlDatabase::addDatabase("QODBC", "excelexport");
if(!db.isValid())
{
qDebug() << "export2Excel failed: QODBC not supported.";
return -2;
}
// set the dsn string
QString dsn = QString("DRIVER={Microsoft Excel Driver (*.xls)};DSN='';FIRSTROWHASNAMES=1;READONLY=FALSE;CREATE_DB=/"%1/";DBQ=%2").arg(fileName).arg(fileName);
db.setDatabaseName(dsn);
if(!db.open())
{
qDebug() << "export2Excel failed: Create Excel file failed by DRIVER={Microsoft Excel Driver (*.xls)}.";
QSqlDatabase::removeDatabase("excelexport");
return -3;
}
QSqlQuery query(db);
//drop the table if it's already exists
QString sSql = QString("DROP TABLE [%1] ").arg(sheetName);
query.exec(sSql);

//create the table (sheet in Excel file)
sSql = QString("CREATE TABLE [%1] (").arg(sheetName);
sSql+="[网名] char(20) , [网站网址] char(20) ,[QQ号] char(20) ";
sSql += ")";
qDebug()<<"sSql"<<sSql;
query.prepare(sSql);
if(! query.exec())
{
qDebug() << "export2Excel failed: Create Excel sheet failed.";
db.close();
QSqlDatabase::removeDatabase("excelexport");
return -4;
}
sSql =QString("INSERT INTO [%1] (").arg(sheetName);
query.prepare( sSql+" 网名, 网站网址, QQ号) "
"VALUES (:name, :web, :qq)");
query.bindValue(":name", "eeerrrrr");
query.bindValue(":web", "http://www.satsuns.com");
query.bindValue(":qq", 603031225);
query.exec();
return 1;
}