Javascript 阿拉伯数字转化中国大写数字

 

 1 function TrunToChina()
 2 {
 3      var num= 123456789; 
 4   　　alert(Chinese(num));
 5 }
 6 
 7 TrunToChina();
 8 
 9 
10 function    Chinese(num)  
11    {   
12            if(!/^\d*(\.\d*)?$/.test(num))
13      {
14       alert("你输入的不是数字，请重新输入!");   
15       return    false;
16      }    
17            var    AA    =    new    Array("零","壹","贰","叁","肆","伍","陆","柒","捌","玖"); 
18            var    BB    =    new    Array("","拾","佰","仟","万","亿","点","");               
19            var    a    =    (""+    num).replace(/(^0*)/g,    "").split("."),    k    =    0,    re    =    ""; 
20           for(var    i=a[0].length-1;    i>=0;    i--) 
21            {   
22         switch(k)   
23                    { 
24        case    0    :   
25                 re    =    BB[7]    +    re;  
26            break;   
27                    case    4    :   
28                   if(!new    RegExp("0{4}\\d{"+    (a[0].length-i-1)    +"}$").test(a[0]))   
29                                     re    =    BB[4]    +    re;  
30         break;   
31                     case    8    :  
32                re    =    BB[5]    +    re;  
33          BB[7]    =    BB[5];  
34          k    =    0;  
35         break;   
36                    }   
37                    if(k%4    ==    2    &&    a[0].charAt(i)=="0"    &&    a[0].charAt(i+2)    !=    "0")    re    =    AA[0]    +    re;   
38                    if(a[0].charAt(i)    !=    0)    re    =    AA[a[0].charAt(i)]    +    BB[k%4]    +    re;   
39        k++;   
40            }    
41            if(a.length>1) {   
42                    re    +=    BB[6];   
43                    for(var    i=0;    i<a[1].length;    i++)    re    +=    AA[a[1].charAt(i)];   
44            }   
45    
46            return    re;   
47    }
48 

 

 

方法2:

function Chinese(whole){
var num;
var dig;
if(whole.indexOf(".") == -1){
num = whole;dig = "";
}else{
num = whole.substr(0,whole.indexOf("."));
dig = whole.substr( whole.indexOf(".")+1, whole.length);
};
var i=1;var len = num.length;
var dw2 = new Array("","万","亿");
var dw1 = new Array("拾","佰","千");
var dw = new Array("","壹","贰","叁","肆","伍","陆","柒","捌","玖");
var dws = new Array("零","壹","贰","叁","肆","伍","陆","柒","捌","玖");
var k1=0;
var k2=0;
var str="";
for(i=1;i<=len;i++){
var n = num.charAt(len-i);if(n=="0"){
if(k1!=0)
str = str.substr( 1, str.length-1);
}
str = dw[Number(n)].concat(str);
if(len-i-1>=0){
 if(k1!=3){
  str = dw1[k1].concat(str);k1++;
 }else{
  k1=0;;var temp = str.charAt(0);
  if(temp=="万" || temp=="亿")
  str = str.substr( 1, str.length-1);
  str = dw2[k2].concat(str);
  }
 };
 if(k1==3){k2++;}
};
var strdig="";
for(i=0;i<2;i++){
 var n=dig.charAt(i);
 strdig+=dws[Number(n)];
}
if(strdig!='零零') str += " 点 "+strdig;
return str;}