JS:格式化数字,格式化⾦额格式化数字,格式化⾦额:
function number_format(number, decimals, dec_point, thousands_p) {
/*
* 参数说明:
* number:要格式化的数字
* decimals:保留⼏位⼩数
* dec_point:⼩数点符号
* thousands_p:千分位符号
* */
number = (number + '').replace(/[^0-9+-Ee.]/g, '');
var n = !isFinite(+number) ? 0 : +number,
部队体能训练prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
p = (typeof thousands_p === 'undefined') ? ',' : thousands_p,
dec = (typeof dec_point === 'undefined') ? '.' : dec_point,
s = '',
toFixedFix = function (n, prec) {
var k = Math.pow(10, prec);
return '' + il(n * k) / k;
};
s = (prec ? toFixedFix(n, prec) : '' + und(n)).split('.');
var re = /(-?\d+)(\d{3})/;
while (re.test(s[0])) {
s[0] = s[0].replace(re, "$1" + p + "$2");
}
if ((s[1] || '').length < prec) {
s[1] = s[1] || '';
s[1] += new Array(prec - s[1].length + 1).join('0');
}
return s.join(dec);
}
如何使⽤:
如何使⽤:
喜庆对联var num=number_format(1234567.089, 2, ".", ",");//1,234,567.09 console.log(num);
再来⼀个,直接舍去的办法:
function number_format(number, decimals, dec_point, thousands_p) { /*
* 参数说明:
* number:要格式化的数字
* decimals:保留⼏位⼩数
* dec_point:⼩数点符号
* thousands_p:千分位符号
* */
number = (number + '').replace(/[^0-9+-Ee.]/g, '');管理的5大基本职能
var n = !isFinite(+number) ? 0 : +number,
prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
p = (typeof thousands_p === 'undefined') ? ',' : thousands_p, dec = (typeof dec_point === 'undefined') ? '.' : dec_point,
姓干s = '',
toFixedFix = function (n, prec) {
var k = Math.pow(10, prec);
return '' + Math.floor(n * k) / k;
};
s = (prec ? toFixedFix(n, prec) : '' + Math.floor(n)).split('.');
var re = /(-?\d+)(\d{3})/;
console.log(s)
while (re.test(s[0])) {
s[0] = s[0].replace(re, "$1" + p + "$2");
榴莲煲鸡汤
}
if ((s[1] || '').length < prec) {
s[1] = s[1] || '';
s[1] += new Array(prec - s[1].length + 1).join('0');
}
霜桑叶茶return s.join(dec);打开的书简笔画
}
钟馗怎么玩
var num=number_format(1234567.089, 2, ".", ",");//1,234,567.08 console.log(num)