JS控制阿拉伯数字转为中文大写示例代码

function NoToChinese(num) { 
if (!/^\d*(\.\d*)?$/.test(num)) { alert("Number is wrong!"); return "Number is wrong!"; } 
var AA = new Array("零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"); 
var BB = new Array("", "拾", "佰", "仟", "萬", "億", "点", ""); 
var a = ("" + num).replace(/(^0*)/g, "").split("."), k = 0, re = ""; 
for (var i = a[0].length - 1; i >= 0; i--) { 
switch (k) { 
case 0: re = BB[7] + re; break; 
case 4: if (!new RegExp("0{4}\\d{" + (a[0].length - i - 1) + "}$").test(a[0])) 
re = BB[4] + re; break; 
case 8: re = BB[5] + re; BB[7] = BB[5]; k = 0; break; 
} 
if (k % 4 == 2 && a[0].charAt(i + 2) != 0 && a[0].charAt(i + 1) == 0) re = AA[0] + re; 
if (a[0].charAt(i) != 0) re = AA[a[0].charAt(i)] + BB[k % 4] + re; k++; 
} 

if (a.length > 1) //加上小数部分(如果有小数部分) 
{ 
re += BB[6]; 
for (var i = 0; i < a[1].length; i++) re += AA[a[1].charAt(i)]; 
} 
return re; 
}