金额 千分位分隔 指定小数位数

 //////////////////数字千分符 
function rendererZhMoney(v,l) {  
            if(isNaN(v)){  
                return v;
                //v=0;  
            }  
            
            if(l == undefined) l = 2;
            //v = (Math.round((v - 0) * 1000)) / 1000;
             v = (Math.round((v - 0) * Math.pow(10,l))) / Math.pow(10,l);   
           //v = (v == Math.floor(v)) ? v + ".000" : ((v * 10 == Math.floor(v * 10)) ? v  
           //         + "00" : (v * 100 == Math.floor(v * 100)) ? v  
           //         + "0" : v); 
           v = addZero(v,l);
            v = String(v);  
            var ps = v.split('.');  
            var whole = ps[0];  
           // var sub = ps[1] ? '.' + ps[1] : '.000';
             var sub = ps[1] ? '.' + ps[1] : addZero2(l);    
            var r = /(\d+)(\d{3})/;  
            while (r.test(whole)) {  
//                whole = whole.replace(r, '$1' + ',' + '$2',+'$3','$4','$5','$6');  
                whole = whole.replace(r, '$1' + ',' + '$2'); 
            }  
            v = whole + sub;  
              
            return v;  
        }
        
function addZero(v,l){
    for(var i=0;i<l;i++){
        if(v * Math.pow(10,i) == Math.floor(v * Math.pow(10,i))){
            if(i==0) v=v+".";
            for(var j=0;j<l-i;j++){
                v = v + "0";
            }
            return v;
        }
    }
    return v;
}

function addZero2(l){
    var s=".";
    for(var i=0;i<l;i++){
        s= s+"0";
    }
    return s;
}
    
         
Ext.ux.NuberFiledFormat=Ext.extend(Ext.form.NumberField, {   
          baseChars: "0123456789,",   
            setValue: function(v){   
           v = typeof v == 'number' ? v : String(v).replace(this.decimalSeparator, ".").replace(/,/g, "");   
            v = isNaN(v) ? '' : rendererZhMoney(v);   
              
           //Ext.util.Format.number(this.fixPrecision(String(v)), "0,000,000.00");此为ext 4.0    
               this.setRawValue(v);   
             return Ext.form.NumberField.superclass.setValue.call(this, v);   
        },   
         /* getValue:function(){  
            //alert((String(Ext.form.NumberField.superclass.getValue.call(this)).replace(",","")));  
            return (String(Ext.form.NumberField.superclass.getValue.call(this)).replace(",",""));  
          },  
           */  
          fixPrecision: function(value){   
            var nan = isNaN(value);   
            if (!this.allowDecimals || this.decimalPrecision == -1 || nan || !value) {   
                return nan ? '' : value;   
            }   
            return parseFloat(value).toFixed(this.decimalPrecision);   
        },   
        validateValue: function(value){   
            if (!Ext.form.NumberField.superclass.validateValue.call(this, value)) {   
                return false;   
            }   
            if (value.length < 1) { // if it's blank and textfield didn't flag it then it's valid   
                return true;   
            }   
            value = String(value).replace(this.decimalSeparator, ".").replace(/,/g, "");   
            if (isNaN(value)) {   
                this.markInvalid(String.format(this.nanText, value));   
                return false;   
            }   
            var num = this.parseValue(value);   
            if (num < this.minValue) {   
                this.markInvalid(String.format(this.minText, this.minValue));   
                return false;   
            }   
            if (num > this.maxValue) {   
                this.markInvalid(String.format(this.maxText, this.maxValue));   
                return false;   
            }   
            return true;   
        },   
        parseValue: function(value){   
            value = parseFloat(String(value).replace(this.decimalSeparator, ".").replace(/,/g, ""));   
            return isNaN(value) ? '' : value;   
        }   
       });