使用Number投一个字符串转换成数字,然后isNaN检查,如果结果是一个数:
var str:String="1234";
var n:Number = Number(str);
if (isNaN(n)) {
trace(str+" is not a number");
} else {
trace(str+" is a number");
}
str="12a4";
n=Number(str);
if (isNaN(n)) {
trace(str+" is not a number");
} else {
trace(str+" is a number");
}
制定出完美的!非常感谢您的快速回答 – VoodooBurger 2010-09-24 08:33:54