金额与数字转化

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//在引用页面，可以采用document.forms[0].field1.value.trim()引用去空格  String.prototype.trim = function(){      return this.replace(/(^/s*)|(/s*$)/g, "");  }  //将1,234,567.00转换为1234567.00  function moneyToNumFiled(obj) {      var num=obj.value.trim();      var ss=num.toString();      if(ss.length==0){        return "";      }         num=new Number(ss.replace(/,/g, ""));      if(!/^(/+|-)?/d+(/.[0-9]{1,2})?$/.test(num)){        alert("必须是数字型,切小数位最多保留两位");         obj.value="";        obj.focus();        return ;      }      obj.value=num;  }  //将1,234,567.00转换为1234567.00  function moneyToNumValue(val) {      var num=val.trim();      var ss=num.toString();      if(ss.length==0){        return "0";      }         return ss.replace(/,/g, "");  }  //用于页面控制  //将1234567.00转换为1,234,567.00  function numToMoneyField(obj) {      var ss=obj.value.toString().trim();      if(ss.length==0){        return "";      }         var num=new Number(ss.replace(/,/g, ""));      if(!/^(/+|-)?/d+(/.[0-9]{1,2})?$/.test(num)){        alert("必须是数字型,切小数位最多保留两位");         obj.value="";        obj.focus();        return;      }      if(num<0){          obj.value = '-'+outputDollars(Math.floor(Math.abs(num)-0) + '') + outputCents(Math.abs(num) - 0);      }else{          obj.value = outputDollars(Math.floor(num-0) + '') + outputCents(num - 0);      }  }  //将1234567.00转换为1,234,567.00  function numToMoneyValue(val) {      var ss=val.toString().trim();      if(ss.length==0){        return "";      }         var num=new Number(ss.replace(/,/g, ""));      if(!/^(/+|-)?/d+(/.[0-9]{1,2})?$/.test(num)){        alert("必须是数字型,切小数位最多保留两位");             return "";      }      if(num<0){          return '-'+outputDollars(Math.floor(Math.abs(num)-0) + '') + outputCents(Math.abs(num) - 0);      }else{          return outputDollars(Math.floor(num-0) + '') + outputCents(num - 0);      }  }  function Chinese(num){   //如输入123.45可得到 壹百贰拾叁元肆角伍分      var AA = new Array("零","壹","贰","叁","肆","伍","陆","柒","捌","玖");      var BB = new Array("","拾","百","千","万","亿","","");      var CC = new Array("角","分","");      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(re.trim().length>0){        re+="元";       }      if(a.length>1){ //加上小数部分(如果有小数部分)          re += BB[6];          for(var i=0; i1) break;            re += AA[a[1].charAt(i)] + CC[i];          }      }      return re;  }  //格式化输入数字，并保留指定位小数  //amount为原数字，_pow_为需要保留小数位数  function powAmount(amount,_pow_) {       var amount_bak=amount;       var base=10;       if(isNaN(amount)){          alert(amount+'必须为数字');          return;       }       if(isNaN(_pow_)){          alert(_pow_+'必须为数字');          return;       }     amount = Math.round( ( amount - Math.floor(amount) ) *Math.pow(base,_pow_));     amount=amount<10 ? '.0' + amount : '.' + amount     amount=Math.floor(amount_bak)+amount;     return amount;  }
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