jquery将小写数字金额转化为汉字大写金额

jquery将小写数字金额转化为汉字大写金额

<div class="row form-group">
	<div class="col-lg-3">
		<span class="tit">捐款金额：</span>
		<div class="con">
			<input type="number" class="form-control g-inp"  name="money"  value="{?$data.money?}" id="money"  required>
		</div>
	</div>
	<div class="col-lg-5">
		<span class="tit">大写金额：</span>
		<div class="con">
			<input type="text" class="form-control g-inp"  name="cn_money"  value="{?$data.cn_money?}" id="cn_money" required readonly="readonly">
		</div>
	</div>
</div>

$('#money').change(function(){
   var money = $(this).val();
   var cn_money = Arabia_to_Chinese(money);

   $('#cn_money').val(cn_money);
});


function Arabia_to_Chinese(Num) {
    //debugger;
    for (i = Num.length - 1; i >= 0; i--) {
       Num = Num.replace(",", "")//替换tomoney()中的“,”
       Num = Num.replace(" ", "")//替换tomoney()中的空格
       Num = Num.replace("￥", "")//替换掉可能出现的￥字符
    }
    if (isNaN(Num)) { //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，开始转换，转换采用前后两部分分别转换---//
    part = String(Num).split(".");
    newchar = "";
    //小数点前进行转化
    for (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
          tmpnewchar = ""
          perchar = part[0].charAt(i);
          switch (perchar) {
                    case "0": tmpnewchar = "零" + tmpnewchar; break;
                    case "1": tmpnewchar = "壹" + tmpnewchar; break;
                    case "2": tmpnewchar = "贰" + tmpnewchar; break;
                    case "3": tmpnewchar = "叁" + tmpnewchar; break;
                    case "4": tmpnewchar = "肆" + tmpnewchar; break;
                    case "5": tmpnewchar = "伍" + tmpnewchar; break;
                    case "6": tmpnewchar = "陆" + tmpnewchar; break;
                    case "7": tmpnewchar = "柒" + tmpnewchar; break;
                    case "8": tmpnewchar = "捌" + tmpnewchar; break;
                    case "9": tmpnewchar = "玖" + tmpnewchar; break;
            }
            switch (part[0].length - i - 1) {
                    case 0: tmpnewchar = tmpnewchar + "元"; break;
                    case 1: if (perchar != 0) tmpnewchar = tmpnewchar + "拾"; break;
                    case 2: if (perchar != 0) tmpnewchar = tmpnewchar + "佰"; break;
                    case 3: if (perchar != 0) tmpnewchar = tmpnewchar + "仟"; break;
                    case 4: tmpnewchar = tmpnewchar + "万"; break;
                    case 5: if (perchar != 0) tmpnewchar = tmpnewchar + "拾"; break;
                    case 6: if (perchar != 0) tmpnewchar = tmpnewchar + "佰"; break;
                    case 7: if (perchar != 0) tmpnewchar = tmpnewchar + "仟"; break;
                    case 8: tmpnewchar = tmpnewchar + "亿"; break;
                    case 9: tmpnewchar = tmpnewchar + "拾"; break;
             }
             newchar = tmpnewchar + newchar;
        }
        //小数点之后进行转化
        if (String(Num).indexOf(".") != -1) {
           if (part[1].length > 2) {
              alert("小数点之后只能保留两位,系统将自动截段");
              part[1] = part[1].substr(0, 2)
           }
           for (i = 0; i < part[1].length; i++) {
                    tmpnewchar = ""
                    perchar = part[1].charAt(i)
                    switch (perchar) {
                        case "0": tmpnewchar = "零" + tmpnewchar; break;
                        case "1": tmpnewchar = "壹" + tmpnewchar; break;
                        case "2": tmpnewchar = "贰" + tmpnewchar; break;
                        case "3": tmpnewchar = "叁" + tmpnewchar; break;
                        case "4": tmpnewchar = "肆" + tmpnewchar; break;
                        case "5": tmpnewchar = "伍" + tmpnewchar; break;
                        case "6": tmpnewchar = "陆" + tmpnewchar; break;
                        case "7": tmpnewchar = "柒" + tmpnewchar; break;
                        case "8": tmpnewchar = "捌" + tmpnewchar; break;
                        case "9": tmpnewchar = "玖" + tmpnewchar; break;
                    }
                    if (i == 0) tmpnewchar = tmpnewchar + "角";
                    if (i == 1) tmpnewchar = tmpnewchar + "分";
                    newchar = newchar + tmpnewchar;
                }
            }
            //替换所有无用汉字
            while (newchar.search("零零") != -1)
            newchar = newchar.replace("零零", "零");
            newchar = newchar.replace("零亿", "亿");
            newchar = newchar.replace("亿万", "亿");
            newchar = newchar.replace("零万", "万");
            newchar = newchar.replace("零元", "元");
            newchar = newchar.replace("零角", "");
            newchar = newchar.replace("零分", "");


         if (newchar.charAt(newchar.length - 1) == "元" || newchar.charAt(newchar.length - 1) == "角")
            newchar = newchar + "整"
            //  document.write(newchar);
		    return newchar;
}

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