请问html如何让3位数以上的值显示时带有分隔逗号,如:“123,456,78” HTML的金额输入框,三位一逗号的格式
javascript\u628a\u6570\u5b57\u6bcf\u9694\u4e09\u4f4d\u52a0\u9017\u53f7\u5206\u5f00function addCommas(nStr)
{
nStr += '';
x = nStr.split('.');
x1 = x[0];
x2 = x.length > 1 ? '.' + x[1] : '';
var rgx = /(\d+)(\d{3})/;
while (rgx.test(x1)) {
x1 = x1.replace(rgx, '$1' + ',' + '$2');
}
return x1 + x2;
}
\u6709\u6ca1\u6709\u5c0f\u6570\u70b9\u901a\u5403
\u8fb9\u8f93\u5165\u6570\u5b57\uff0c\u8fb9\u663e\u793a\u4e09\u4f4d\u4e00\u9017\u53f7\u683c\u5f0f\u662f\u56e0\u4e3a\u8c03\u7528\u7684\u6587\u672c\u6846\u7684keyup\u4e8b\u4ef6\uff0c\u800c\u4f60\u60f3\u8981\u5728\u5168\u90e8\u8f93\u5165\u5b8c\u9f20\u6807\u70b9\u51fb\u5176\u4ed6\u5904\u624d\u8c03\u7528\u8fd9\u79cd\u683c\u5f0f\u7684\u8bdd\uff0c\u53ef\u4ee5\u6539\u4e3a\u5931\u53bb\u7126\u70b9\u65f6\u8c03\u7528\uff0c\u5373\u53ef\u4ee5\u5c06keyup\u4e8b\u4ef6\u6362\u6210blur\u4e8b\u4ef6\uff0c\u5373\u5931\u53bb\u7126\u70b9\u65f6\u4e8b\u4ef6\uff1b\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u4f60\u8bf4\u7684\u90a3\u79cd\u6548\u679c\u4e86\u3002
如果是静态页面或者静态数据,那么带逗号你自己手动输入即可,如果是生成或者输入后需要变化的数据,那就用脚本加逗号就行了,下面就是脚本,你在输入框中输入数字,就会自动变化,这只是提供一个思路而已,这方面你可以用其他的js脚本
<script>
function cc(s){
if(/[^0-9\.]/.test(s)) return "invalid value";
s=s.replace(/^(\d*)$/,"$1.");
s=(s+"00").replace(/(\d*\.\d\d)\d*/,"$1");
s=s.replace(".",",");
var re=/(\d)(\d{3},)/;
while(re.test(s))
s=s.replace(re,"$1,$2");
s=s.replace(/,(\d\d)$/,".$1");
return s.replace(/^\./,"0.")
}
</script>
<input onchange="this.value=cc(this.value)">
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