js把金额转换为大写的方式

来源：互联网发布：在淘宝开店卖什么好编辑：程序博客网时间：2024/05/22 15:33

Num参数需要转换为parseFloat()类型保留两位：类似这样parseFloat(Num).toFixed(2)

function numToCny(Num) {

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 //这里如果金额中没有￥这个符号就可以不需要
if (isNaN(Num)) { //验证输入的字符是否为数字
Js_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) { Js_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 (Num.indexOf(".") != -1) {
if (part[1].length > 2) {
Js_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;
}
}
if (newchar.search("分") != -1) {
newchar = newchar.replace("零角", "零");
}
//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";
return newchar;
}

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