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用JavaScript将数字转换为大写金额

项目中用到的，用JavaScript将数字转换为大写金额，分享出来给大家

var digitUppercase = function(n) {     var fraction = ['角', '分'];     var digit = [         '零', '壹', '贰', '叁', '肆',         '伍', '陆', '柒', '捌', '玖'     ];     var unit = [         ['元', '万', '亿'],         ['', '拾', '佰', '仟']     ];     var head = n < 0 ? '欠' : '';     n = Math.abs(n);     var s = '';     for (var 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 (var i = 0; i < unit[0].length && n > 0; i++) {         var p = '';         for (var 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.)*零元/, '元')         .replace(/(零.)+/g, '零')         .replace(/^整$/, '零元整'); };  console.log(digitUppercase(7682.01)); //柒仟陆佰捌拾贰元壹分 console.log(digitUppercase(7682));  //柒仟陆佰捌拾贰元整 console.log(digitUppercase(951434677682.00)); //玖仟伍佰壹拾肆亿叁仟肆佰陆拾柒万柒仟陆佰捌拾贰元整

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