/保留两位小数并数字三分化
function farmatJine(value) {
if (value == undefined || value == "") {
value = 0;
}
//现将数字保留两位小数,再将其三分化
var nStr = (value * 1).toFixed(2);
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;
}