标签：return 数字 金额 大写 replace length var unit charAt
toChinese(n) {
if (n === 0)
return "零";
if (!/^(0|[1-9]\d*)(\.\d+)?$/.test(n))
return "";
var unit = "仟佰拾亿仟佰拾万仟佰拾元角分", str = "";
n += "00";
var p = n.indexOf('.');
if (p >= 0)
n = n.substring(0, p) + n.substr(p + 1, 2);
unit = unit.substr(unit.length - n.length);
for (var i = 0; i < n.length; i++)
str += '零壹贰叁肆伍陆柒捌玖'.charAt(n.charAt(i)) + unit.charAt(i);
return str.replace(/零(仟|佰|拾|角)/g, "零").replace(/(零)+/g, "零").replace(/零(万|亿|元)/g, "$1").replace(/(亿)万/g, "$1$2").replace(/^元零?|零分/g, "").replace(/元$/g, "元整");
},
标签：return,
数字,
金额,
大写,
replace,
length,
var,
unit,
charAt
From： https://www.cnblogs.com/wszzj/p/17844621.html