1. 去掉字符串多余的空格,回车等. QString QString::simplified () const Returns a string that has whitespace removed from the start and the end, and that has each sequence of internal whitespace replaced with a single space. Whitespace means any character for which
转载:http://blog.csdn.net/ei__nino/article/details/7297791 Qt中 int ,float ,double转换为QString 有两种方法 1.使用 QString::number(); 如: long a = 63; QString s = QString::number(a, 10); // s == "63" QString t = QString::number(a, 16).toUpper();
一.用到onkeydown获取事件动作, 二.用到键盘对应代码keyCode, 三. var event=arguments.callee.caller.arguments[0]||window.event;//消除浏览器差异, 代码如下: XML/HTML代码<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-tra