num2capital
Version:
阿拉伯数字转换成中文汉字和人民币汉字
108 lines (105 loc) • 5.02 kB
JavaScript
const numberUitl = {
num2Capital:function(n,type = 'cn_capital'){
if(type === 'cn_capital'){
if(n == 0){return '零'}
for ( let i = n.length - 1; i >= 0; i--) {
n = n.replace(",", "")//替换Num中的“,”
n = n.replace(" ", "")//替换Num中的空格
}
if (isNaN(n)) { //验证输入的字符是否为数字
//alert("请检查小写金额是否正确");
return;
}
//字符处理完毕后开始转换，采用前后两部分分别转换
let part = String(n).split(".");
let newchar = "";
//小数点前进行转化
for (let i = part[0].length - 1; i >= 0; i--) {
if (part[0].length > 10) {
//alert("位数过大，无法计算");
return "";
}//若数量超过拾亿单位，提示
let tmpnewchar = ""
let perchar = part[0].charAt(i);
switch (perchar) {
case "0": tmpnewchar = "零" + tmpnewchar; break;
case "1": tmpnewchar = "一" + tmpnewchar; break;
case "2": tmpnewchar = "二" + tmpnewchar; break;
case "3": tmpnewchar = "三" + tmpnewchar; break;
case "4": tmpnewchar = "四" + tmpnewchar; break;
case "5": tmpnewchar = "五" + tmpnewchar; break;
case "6": tmpnewchar = "六" + tmpnewchar; break;
case "7": tmpnewchar = "七" + tmpnewchar; break;
case "8": tmpnewchar = "八" + tmpnewchar; break;
case "9": tmpnewchar = "九" + tmpnewchar; break;
}
switch (part[0].length - i - 1) {
case 0: tmpnewchar = tmpnewchar; break;
case 1: if (perchar != 0) tmpnewchar = tmpnewchar + "十"; break;
case 2: if (perchar != 0) tmpnewchar = tmpnewchar + "百"; break;
case 3: if (perchar != 0) tmpnewchar = tmpnewchar + "千"; break;
case 4: tmpnewchar = tmpnewchar + "万"; break;
case 5: if (perchar != 0) tmpnewchar = tmpnewchar + "十"; break;
case 6: if (perchar != 0) tmpnewchar = tmpnewchar + "百"; break;
case 7: if (perchar != 0) tmpnewchar = tmpnewchar + "千"; break;
case 8: tmpnewchar = tmpnewchar + "亿"; break;
case 9: tmpnewchar = tmpnewchar + "十"; break;
}
newchar = tmpnewchar + newchar;
}
//替换所有无用汉字，直到没有此类无用的数字为止
while (newchar.search("零零") != -1 || newchar.search("零亿") != -1 || newchar.search("亿万") != -1 || newchar.search("零万") != -1) {
newchar = newchar.replace("零亿", "亿");
newchar = newchar.replace("亿万", "亿");
newchar = newchar.replace("零万", "万");
newchar = newchar.replace("零零", "零");
}
//替换以“一十”开头的，为“十”
if (newchar.indexOf("一十") == 0) {
newchar = newchar.substr(1);
}
//替换以“零”结尾的，为“”
if (newchar.lastIndexOf("零") == newchar.length - 1) {
newchar = newchar.substr(0, newchar.length - 1);
}
return newchar;
}else if (type === 'rmb_capital'){
let fraction = ['角', '分'];
let digit = [
'零', '壹', '贰', '叁', '肆',
'伍', '陆', '柒', '捌', '玖'
];
let unit = [
['圆', '万', '亿'],
['', '拾', '佰', '仟']
];
let head = n < 0 ? '负' : '';
n = Math.abs(n);
let s = '';
for (let i = 0; i < fraction.length; i++) {
s += (digit[Math.floor(n * 10 * Math.pow(10, i)) % 10] + fraction[i]).replace(/零./, '');
}
s = s || '整';
n = Math.floor(n);
for (let i = 0; i < unit[0].length && n > 0; i++) {
let p = '';
for (let j = 0; j < unit[1].length && n > 0; j++) {
p = digit[n % 10] + unit[1][j] + p;
n = Math.floor(n / 10);
}
s = p.replace(/(零.)*零$/, '').replace(/^$/, '零') + unit[0][i] + s;
}
return head + s.replace(/(零.)*零圆/, '圆')
.replace(/(零.)+/g, '零')
.replace(/^整$/, '零')
.replace(/整/g, '');
}else{
return '目标类型转换错误'
}
}
}
try {
!!window ? window.numberUitl = numberUitl:''
} catch (e) {
}
module.exports = numberUitl;