标题:怎么使输入liededit里的Qstring转成可以调用的数值(比如double型)
作者:snipertheone
日期:2006-07-25 13:23
内容:
我想用lineedit作为输入数值的入口
#1 [xcgwy 07-25 17:14]
QVariant(lineEdit->text()).toDouble();
#2 [map_j 08-02 18:12]
QString s;
s=s.setNum(123);
#3 [ediwon 08-02 21:02]
QLineEdit *line = new QLine();
double douNum = ( line->text() ).toDouble;