在vs中使用Qt连接SQLServer数据库

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c++数据库
//1.添加SQL库:“Qt project setting”–>“Qt Modules”,在SQL library复选框前打勾.
//2.添加头文件
#include
#include <QtSql/QSqlDatabase>
#include <QtSql/QSqlTableModel>
#include<QtSql/QSqlError>
//3.创建连接
qDebug()<<“available driver:”;
QStringList drivers=QSqlDatabase::drivers();
foreach(QString driver,drivers)
qDebug()<<"/t"<<driver;
QSqlDatabase db=QSqlDatabase::addDatabase(“QODBC3”);
qDebug()<<“ODBC driver?”<<db.isValid();
QString dsn=QString::fromLocal8Bit(“DRIVER={SQL SERVER};SERVER=192.168.0.123;DATABASE=test”); db.setHostName(“192.168.0.123”);
db.setDatabaseName(dsn);
db.setUserName(“sa”);
db.setPassword(“111111”);
if(!db.open())
{
qDebug()<<db.lastError().text();
QMessageBox::critical(0,QObject::tr(“Database Error”),db.lastError().text());
return false;
}
//4.查询数据
QSqlQuery query;
query.exec(“select * from mytable”);
while(query.next())
{
…
}
//该片段来自于http://outofmemory.cn