bool BookSQL::addbook(BookInfo info)
{
QSqlQuery sql(m_db);
QString strSql=QString("insert into book values(null,%1,'%2','%3','%4',%5)")
.arg(info.ISBN)
.arg(info.name)
.arg(info.author)
.arg(info.press)
.arg(info.stock);
qDebug()<< sql.exec(strSql);
}
BookInfo b;
b.press="rasd";
for(int i=0;i<10;i++)
{
addbook(b);
};
QString strSql=QString("insert into book values(null,%1,'%2','%3','%4',%5)") 参数的引号去掉 %2 %3 %4
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