页面校验用通用js

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/******************************************************   
FileName:jsLibrary.js
Copyright  (c)  2003-xxxx *********公司技术开发部
Writer:Nick
create Date:2004-12-28
Rewriter:
Rewrite Date:
Impact:
******************************************************/
/*
==================================================================
公共函数:
功能:检查是否要显示提示窗口
==================================================================
*/
function IfShow(ShowMsg)
{
 if (ShowMsg == "" )
 {
  return false;
 }
 else
 {
  return true;
 }
 
}


/*
==================================================================
功能:替换空格(将多个连续空格替换为一个空格)
使用:ReplaceSpace(obj)
返回:string
==================================================================
*/
function ReplaceSpace(str)
{
 while ( str.indexOf("  ") >= 0 )
 {
  str = str.replace("  " ," ");
 }
 return str;
}

/*
==================================================================
功能:非空检查,不忽略空格
提示信息:输入框为空,请输入!
使用:isNull(obj,string)
返回:bool
==================================================================
*/
function isNull(obj,ShowMsg)
{
 var show = IfShow(ShowMsg) ;

 //非空检查
 if(obj.value == "")
 {
  if (show) alert(ShowMsg);
  obj.focus();
  obj.select(); 
  return false;
 }
 else
 {
  return true;
 }
}

/*
==================================================================
功能:邮箱地址检查
提示信息:未输入邮件地址或邮件地址无效!
使用:MailCheck(obj,string)
返回:bool
==================================================================
*/
function MailCheck(obj,ShowMsg)
{
 var show = IfShow(ShowMsg) ;
 
 if(obj.value!= "")
 {
  var ok1=obj.value.indexOf("");
  var ok2=obj.value.indexOf(".");
  if(!((ok1!=-1)&&(ok2!=-1)))
  {
   if (show) alert(ShowMsg);
   obj.focus();
   obj.select();
   return false;
  }
  var allowstrlist = "&#%<>";
  var endvalue = true;
  for (i=0;i<obj.value.length;i++)
  {
   if (allowstrlist.indexOf(obj.value.substr(i,1))!=-1)
   {
    endvalue=false;  
    break;
   }
  }
  if(endvalue==false)
  {
   if (show) alert(ShowMsg);
   obj.focus();
   obj.select();
   return false;  
  }
  //邮件地址正确
  return true;
 }
 else
 {
  //请输入电子信箱地址
  if (show) alert(ShowMsg);
  obj.focus();
  obj.select();
  return false;
 }
}

/*
==================================================================
功能:检查输入的是否为数字
提示信息:未输入或输入的不是一个合法的数字!
使用:isNumeric(obj,string)
返回:bool
==================================================================
*/
function isNumeric(obj,ShowMsg)
{
 var show = IfShow(ShowMsg) ;
 
 var IfTrue = obj.value.search(/^(-|\+)?\d+(\.\d+)?$/) != -1;
 
 if (show && IfTrue ==false)
 {
  alert(ShowMsg);
  obj.focus();
  obj.select();
  return false;
 }
 else
 {
  return true;
 }
}

/*
==================================================================
功能:打印
使用:Print()
返回:
==================================================================
*/
function Print()
{

 document.all.print.style.display = "none";
 window.print();
 window.close();
}

/*
==================================================================
功能:判断是否为日期(格式:yyyy-mm-dd)
提示信息:未输入或输入的日期格式错误!
使用:isDate(obj,string)
返回:bool
==================================================================
*/
function isDate(obj,ShowMsg)
{
 var show = IfShow(ShowMsg) ;
 
 if(obj.value==null)
 {
 if (show) alert(ShowMsg);
 return false;
 }
 
    if(obj.value=="")
    {
 if (show) alert(ShowMsg);
 return false;
 }
   
    var datePat=/^(\d{2}|\d{4})(\-)(\d{1,2})(\-)(\d{1,2})$/;
   
    var dateStr=obj.value;
    // is the format ok?
 var matchArray = dateStr.match(datePat);


    if (matchArray==null)
    {
  if (show) alert(ShowMsg);
        return false;
    }
    year=matchArray[1];
    month=matchArray[3];
    day=matchArray[5];

    if (year.length!=4 || month.length!=2 || day.length!=2)
    {
  if (show) alert(ShowMsg);
        return false;
    }
    if (month < 1 || month > 12)
    {
  if (show) alert(ShowMsg);
        return false;
    }
    if (day < 1 || day > 31)
    {
  if (show) alert(ShowMsg);
        return false;
    }

    if ((month==4 || month==6 || month==9 || month==11) && day==31)
    {
  if (show) alert(ShowMsg);
        return false;
    }

    if (month==2)
    {
        var isleap=(year % 4==0 && (year % 100 !=0 || year % 400==0));
        if (day>29 || ((day==29) && (!isleap)))
        {
   if (show) alert(ShowMsg);
            return false;
        }
    }
    return true;
}

/*
==================================================================
功能:日期大小判断(格式:yyyy-mm-dd)
提示信息:未输入或输入的开始日期大于结束日期!
使用:JudgeDate(obj1,obj2,string)
返回:bool
==================================================================
*/
function JudgeDate(obj1,obj2,ShowMsg)
{
 var show = IfShow(ShowMsg) ;
 
 var eva = isDate(obj1,"") && isDate(obj2,"");
 
    if(obj1.value!="" && obj2.value!="" & eva != false)
    {
  var date1 = obj1.value;
        var myDate1 = Date.parse(date1.replace("-","/"));
        var date2 = obj2.value;
        var myDate2 = Date.parse(date2.replace("-","/"));
        if(myDate1 > myDate2)
        {
            if (show) alert(ShowMsg);
            return false;
        }
        else
        {
   return true;
        }
    }
    else
    {
  if (show) alert(ShowMsg);
  return false;
    }
}

/*
==================================================================
功能:字符串操作,去除字符串两边的空格
使用:Trim(string)
返回:string
==================================================================
*/                               
            /*
            ==================================================================
            功能:去除左边的空格
            使用:LTrim(string)
   返回:string
            ==================================================================
            */
            function LTrim(str)
            {
                var whitespace = new String(" \t\n\r");
                var s = new String(str);
               
                if (whitespace.indexOf(s.charAt(0)) != -1)
                {
                    var j=0, i = s.length;
                    while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
                    {
                        j++;
                    }
                    s = s.substring(j, i);
                }
                return s;
            }
            
            /*
            ==================================================================
            功能:去除右边的空格
            使用:RTrim(string)
   返回:string
            ==================================================================
            */
            function RTrim(str)
            {
                var whitespace = new String(" \t\n\r");
                var s = new String(str);
            
                if (whitespace.indexOf(s.charAt(s.length-1)) != -1)
                {
                    var i = s.length - 1;
                    while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
                    {
                        i--;
                    }
                    s = s.substring(0, i+1);
                }
                return s;
            }
           
//去除前后空格           
function Trim(str)
{
    return RTrim(LTrim(str));
}            


/*
==================================================================
功能:无效字符的检测(不允许输入特殊字符)
提示信息:未输入或输入包含非法字符
使用:CheckChar(obj,Lchar,string)
   Lchar:要检查的特殊字符
返回:bool
==================================================================
*/
function CheckChar(obj,Lchar,ShowMsg)
{
 var show = IfShow(ShowMsg);

 var strlist = Lchar; //"~!#$%^&*?<>\"\'";
 
 //无效字符的检测
 if(obj.value!= "")
 { 
  var tmpbool=true;
  for (i=0;i<obj.value.length;i++)
  {
   if(strlist.indexOf(obj.value.substr(i,1))!=-1)
   {
    tmpbool=false;
    break;
   }
   else
   {}
  }
 
  if(tmpbool==false)
  {
   if (show) alert(ShowMsg + strlist);
   obj.focus();
   obj.select();
   return false;
  }
  else
  {
   return true;
  }
 }
 else
 {
  if (show) alert(ShowMsg + strlist);
  return false;
 }
 
}

/*
==================================================================
功能:判断是否为整数、正整数、负整数、正整数+0、负整数+0
提示信息:参数错误或输入的不是一个(整数)。。
使用:isInt(obj,string,int or string,string)
     (测试对象,+ or - or empty,empty or 0,显示信息)
     空  整数
     +   正整数
     -   负整数
返回:bool
==================================================================
*/
function isInt(obj,sign,zero,ShowMsg)
{
 var show = IfShow(ShowMsg);
 
 var objStr = obj.value;
 
    var reg;   
    var bolzero;   
   
    if(Trim(objStr)=="")
    { 
  if (show) alert(ShowMsg);
  obj.focus();
  obj.select();
        return false;
    }
    else
    {
        objStr=objStr.toString();
    }   
   
    if((sign==null)||(Trim(sign)==""))
    {
        sign="+-";
    }
   
    if((zero==null)||(Trim(zero)==""))
    {
        bolzero=false;
    }
    else
    {
        zero=zero.toString();
        if(zero==0)
        {
            bolzero=true;
        }
        else
        {
            if (show) alert(ShowMsg);
            obj.focus();
   obj.select();
            return false;
        }
    }
   
    switch(sign)
    {
        case "+-":
            //整数
            reg=/(^-?|^\+?)\d+$/;           
            break;
        case "+":
            if(!bolzero)          
            {
                //正整数
                reg=/^\+?[0-9]*[1-9][0-9]*$/;
            }
            else
            {
                //正整数+0
                //reg=/^\+?\d+$/;
                reg=/^\+?[0-9]*[0-9][0-9]*$/;
            }
            break;
        case "-":
            if(!bolzero)
            {
                //负整数
                reg=/^-[0-9]*[1-9][0-9]*$/;
            }
            else
            {
                //负整数+0
                //reg=/^-\d+$/;
                reg=/^-[0-9]*[0-9][0-9]*$/;
            }           
            break;
        default:
            if (show) alert(ShowMsg);
            obj.focus();
   obj.select();
            return false;
            break;
    }
   
    var r=objStr.match(reg);
    if(r==null)
    {
  if (show) alert(ShowMsg);
  obj.focus();
  obj.select();
        return false;
    }
    else
    {   
        return true;    
    }
}
/*
==================================================================
功能:判断是否为浮点数、正浮点数、负浮点数、正浮点数+0、负浮点数+0    
提示信息:参数错误或输入的不是一个(浮点数)。。
使用:isFloat(obj,string,int or string,string)
       (测试对象,+ or - or empty,empty or 0,提示信息)
参数二:      
     空  浮点数
     +   正浮点数
     -   负浮点数
返回:bool
==================================================================
*/
function isFloat(obj,sign,zero,ShowMsg)
{
 var show = IfShow(ShowMsg);
 
 var objStr = obj.value;
    var reg;   
    var bolzero;   
   
    if(Trim(objStr)=="")
    {
  if (show) alert(ShowMsg);
  obj.focus();
  obj.select();
        return false;
    }
    else
    {
        objStr=objStr.toString();
    }   
   
    if((sign==null)||(Trim(sign)==""))
    {
        sign="+-";
    }
   
    if((zero==null)||(Trim(zero)==""))
    {
        bolzero=false;
    }
    else
    {
        zero=zero.toString();
        if(zero==0)
        {
            bolzero=true;
        }
        else
        {
            if (show) alert(ShowMsg);
            obj.focus();
  obj.select();
            return false;
        }
    }
   
    switch(sign)
    {
        case "+-":
            //浮点数
            reg=/^((-?|\+?)\d+)(\.\d+)?$/;
            break;
        case "+":
            if(!bolzero)          
            {
                //正浮点数               
    reg=/^\+?(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))$/;
            }
            else
            {
                //正浮点数+0
                reg=/^\+?\d+(\.\d+)?$/;
            }
            break;
        case "-":
            if(!bolzero)
            {
                //负浮点数               
    reg=/^-(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))$/;
            }
            else
            {
                //负浮点数+0
                reg=/^((-\d+(\.\d+)?)|(0+(\.0+)?))$/;
            }           
            break;
        default:
            if (show) alert(ShowMsg);
            obj.focus();
  obj.select();
            return false;
            break;
    }
   
    var r=objStr.match(reg);
    if(r==null)
    {
  if (show) alert(ShowMsg);
  obj.focus();
  obj.select();
        return false;
    }
    else
    {       
        return true;    
    }
}


/*
==================================================================
功能:验证身份证号码是否有效
提示信息:未输入或输入身份证号不正确!
使用:isIDno(obj,string)
返回:bool
==================================================================
*/
function isIDno(obj,ShowMsg)
{
 var show = IfShow(ShowMsg);
 
 //aCity={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"};
 var aCity = "11,12,13,14,15,21,22,23,31,32,33,34,35,36,37,41,42,43,44,45,46,50,51,52,53,54,61,62,63,64,65,71,81,82,91"
 
 var iSum = 0;
 var info = "";
 var idCardLength = obj.value.length;

 if(!/^\d{17}(\d|x)$/i.test(obj.value)&&!/^\d{15}$/i.test(obj.value))
 {
  if (show) alert(ShowMsg);
  obj.focus();
  obj.select();
  return false;
 }
 
 //在后面的运算中x相当于数字10,所以转换成a
 obj.value = obj.value.replace(/x$/i,"a");
 
 var curCity = obj.value.substr(0,2);

 if(!(aCity.indexOf(curCity) > 0) )
 {
  if (show) alert(ShowMsg);
  obj.focus();
  obj.select();
  return false;
 }

 if (idCardLength==18)
 {
  sBirthday=obj.value.substr(6,4)+"-"+Number(obj.value.substr(10,2))+"-"+Number(obj.value.substr(12,2));
  var d = new Date(sBirthday.replace(/-/g,"/"))
  if(sBirthday!=(d.getFullYear()+"-"+ (d.getMonth()+1) + "-" + d.getDate()))
  {
   if (show)
    alert(ShowMsg);
   obj.focus();
   obj.select();
   return false;
  }
 
  for(var i = 17;i>=0;i --)
  iSum += (Math.pow(2,i) % 11) * parseInt(obj.value.charAt(17 - i),11);
 
  if(iSum%11!=1)
  {
   if (show)
    alert(ShowMsg);
   obj.focus();
   obj.select();
   return false;
  }
 
 }
 else if (idCardLength==15)
 {
  sBirthday = "19" + obj.value.substr(6,2) + "-" + Number(obj.value.substr(8,2)) + "-" + Number(obj.value.substr(10,2));
  var d = new Date(sBirthday.replace(/-/g,"/"))
  var dd = d.getFullYear().toString() + "-" + (d.getMonth()+1) + "-" + d.getDate();

  if(sBirthday != dd)
  {  
   if (show)
    alert(ShowMsg);
   obj.focus();
   obj.select();
   return false;
  }
 }
 return true;
}


/*
==================================================================
功能:验证电话号码格式是否正确
提示信息:未输入或输入电话号码格式不正确!
使用:isPhoneNo(obj,string)
返回:bool
==================================================================
*/
function isPhoneNo(obj,ShowMsg)
{
 var show = IfShow(ShowMsg);
 
 var phoneNo = obj.value;
 var Endvalue = true;
 var allowstrlist = "1234567890()-";
 if(phoneNo!="")
 {  
  for (i=0;i<phoneNo.length;i++)
  {
    if (allowstrlist.indexOf(phoneNo.substr(i,1)) == -1)
    {
   Endvalue = false;  
   break;
    }
  }
  if(Endvalue == false)
  {
   if (show)
    alert(ShowMsg);
   obj.focus();
   obj.select();
   return false;
  }
 }
 else
 {
  if (show)
    alert(ShowMsg);
  obj.focus();
  obj.select();
  return false;
 }
 return true;
}

/*
==================================================================
功能:将金额小写转化成汉字大写
提示信息:
使用:MoneyToUpper('零,壹,贰,叁,肆,伍,陆,柒,捌,玖,','元,拾,佰,仟,万,拾,佰,仟,亿,拾,角,分,整,零零,零亿,亿万,零万,零元,零角,零分,',obj.value)
返回:string
str1 = "零,壹,贰,叁,肆,伍,陆,柒,捌,玖,"
str2 = "元,拾,佰,仟,万,拾,佰,仟,亿,拾,角,分,整,零零,零亿,亿万,零万,零元,零角,零分,"
==================================================================
*/
function MoneyToUpper(str1,str2,Num)
{
    var charList1 = str1.split(",");
    var charList2 = str2.split(",");
  
 for( i = Num.length-1;i>=0;i--)
 {
  //替换tomoney()中的“,”
  Num = Num.replace(",","")
  //替换tomoney()中的空格
  Num = Num.replace(" ","")
 }
 
 //替换掉可能出现的¥字符
 Num = Num.replace("¥","")
 //验证输入的字符是否为数字
 if(isNaN(Num))
 {
  alert("Error: Not a Number !");
  return "";
 }
 
   //---字符处理完毕,开始转换,转换采用前后两部分分别转换---
   var part = String(Num).split(".");
   var newchar = "";  
   //小数点前进行转化
 for(i = part[0].length - 1; i>= 0 ; i--)
 {
  //若数量超过拾亿单位,提示
  if(part[0].length > 10)
  {
   alert("Error Over Max Length !");
   return "";
  }
  var tmpnewchar = "";
 
  var perchar = part[0].charAt(i);
    
  tmpnewchar= charList1[perchar] + tmpnewchar;
 
  var indx = part[0].length-i-1;
  if (indx == 0 || indx == 4 || indx == 8 || indx == 9)
  {
   tmpnewchar = tmpnewchar + charList2[indx];
  }
  else
  {
   if(perchar!=0) tmpnewchar = tmpnewchar + charList2[indx];
  }
  newchar = tmpnewchar + newchar;
     
 }

 //小数点之后进行转化
    if( String(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)
      
   tmpnewchar = charList1[perchar] + tmpnewchar;             
   if(i==0)tmpnewchar =tmpnewchar + charList2[10];  //角
   if(i==1)tmpnewchar = tmpnewchar + charList2[11]; //分
   newchar = newchar + tmpnewchar;
  }
    
 }   
 
 //alert(newchar);

 //替换 零零 为 零
 while(newchar.search(charList2[13]) != -1)
 {
  newchar = newchar.replace(charList2[13], charList1[0]);  //零零 to 零
  newchar = newchar.replace(charList2[14], charList2[8]);  //"零亿" to "亿"
  newchar = newchar.replace(charList2[15], charList2[8]);  //"亿万" to "亿"
 
  newchar = newchar.replace(charList2[16], charList2[4]);  //"零万" to "万"
  newchar = newchar.replace(charList2[17], charList2[0]);  //"零元" to "元"
  newchar = newchar.replace(charList2[18], "");    //"零角" to ""
  newchar = newchar.replace(charList2[19], "");    //"零分" to ""  
 }
 
  newchar = newchar.replace(charList2[14], charList2[8]);  //"零亿" to "亿"
  newchar = newchar.replace(charList2[15], charList2[8]);  //"亿万" to "亿"
 
  newchar = newchar.replace(charList2[16], charList2[4]);  //"零万" to "万"
  newchar = newchar.replace(charList2[17], charList2[0]);  //"零元" to "元"
  newchar = newchar.replace(charList2[18], "");    //"零角" to ""
  newchar = newchar.replace(charList2[19], "");    //"零分" to ""

 newchar = newchar + charList2[12];

    //0.6元的情况
 if(newchar.indexOf(charList2[0]) == 0)
  newchar = newchar.replace(charList2[0],"");
 
 return newchar;
}

 



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