jquery、js 金额小写转成大写

//xxje是输入数字的输入框id
$("#xxje").keyup(function(){
//如果输入的不是数字，则将其设置为空
this.value = this.value.replace(/[^\d\.]/g,'').replace(/^0/,'');
var Num = this.value;
if(Num=="") {
//输入框删减为空时，将大写金额的内容值设为原始状态，当然也可以根据需求进行修改
$("#dx").text("零元整");
return false;
}
part = String(Num).split(".");
newchar = "";
for(i=part[0].length-1;i>=0;i--){
if(part[0].length > 10){
alert("位数过大，无法计算");//前面如果有验证位数的，此处判断可去掉
return false;
}
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;
}
if(Num.indexOf(".")!=-1){
if(part[1].length > 2) {
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;
}
}
while(newchar.search("零元") != -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";
}
$("#dx").text(newchar);
});