qml例子:qml中导入JS,实现阶乘计算

//阶乘函数 function factorial(num) { num=parseInt(num); if(num<=0) return 1; else return num*factorial(num-1); } //判断输入的是不是数字 function judge(str) { var count = str.length; var num; for(var i = 0;i < count; i++) { num = str.charAt(i); switch(num) { case "0": case "1": case "2": case "3": case "4": case "5": case "6": case "7": case "8": case "9": continue; default: return 0; } } return 1; }