jsvalidate.js

来自「it have big power,i hope to do it . hap」· JavaScript 代码 · 共 26 行

function CheckQty(tbid)
{
	var lastChar = tbid.value.charAt(tbid.value.length-1);
	var num = parseInt(lastChar);
	if (isNaN(num))
	{
		window.alert("必须输入数字");
		tbid.focus();
		tbid.select();
		return;
	}
	var qty = parseInt(tbid.value,10);
	/*
	if (qty > 9999 || qty < 1) 
	{
			alert("数量必须在1-9999之间");
			tbid.focus();
			tbid.select();
			return;
	}*/
	if(qty==0)
	{
		alert("不允许输入0");
	}
}