JavaScript公共函数

标签：

[在此处输入文章标题]

// JScript 文件

/*

==================================================================

JS 公共函数

                         080827

============================================================

*/

/*

==================================================================

功能：

============================================================

*/

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：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.subs

tr(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：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：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="+-";

    }

  &nbsp;

    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);<BR>            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：字符串操作,去除字符串两边的空格

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;

    }

} 

///////////////////////////

function setCopy(_sTxt){try{clipboardData.setData(‘Text‘,_sTxt);window.status=_sTxt+‘已经复制到剪贴板‘}catch(e){}}

function setHome(){try{window.external.AddFavorite(window.document.location,window.document.title)}catch(e){};}

function $(d){try{return document.getElementById(d);}catch(e){return null;}}

function marquees(view,src,cont){

var speed=50 ;

var _demo=$(view); var _demo1=$(src); var _demo2=$(cont);

_demo2.innerHTML=_demo1.innerHTML+_demo1.innerHTML ;

function Marquee(){

if(_demo.offsetWidth<=_demo.scrollLeft){

_demo.scrollLeft=0

}else{

_demo.scrollLeft++

}

//window.status=_demo.offsetWidth+‘,‘+_demo.scrollLeft;

}

var MyMar=setInterval(Marquee,speed) ;

_demo.onmouseover=function() {clearInterval(MyMar)}

_demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}

}

function xmlhttp(){

    try { return new ActiveXObject("Msxml2.XMLHTTP");    } catch(e) {}

    try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {}

    try { return new XMLHttpRequest();                   } catch(e) {}

    window.status=‘XMLHTTP error!‘; return null;

}

function setText(http,out,isalert,callback){

    if(!isalert){

       if(out==‘‘)out=‘mybody‘;

       var obj=document.getElementById(out);

       window.status=‘数据载入中，请稍候... ...‘;

       obj.innerHTML=‘<p><img src=/img/loading.gif border=0 width=32 height=32 align=absmiddle>数据载入中，请稍候... ...</P>‘; 

    }

    var s=‘‘;

    if (http.readyState == 4) {

       window.status=‘完成‘;

       if(http.status ==200){s=unescape(http.responseText);}else{s=‘<p>服务器忙或网络不通，请稍后再试。‘+http.statusText+‘<br>‘+unescape(http.responseText)+‘</p>‘;} 

       if(!isalert){obj.innerHTML=s;if(callback!=‘‘){eval(callback);}

       }else{ if(s!=‘‘){ if(callback!=‘‘){eval(callback);}alert(s); } }

       delete http;

       http=null;

    }

}

//  a=1;b=2; 从类似字符串中返回a的值var a=getValue(str,‘a‘,‘;‘,‘=‘);

function getValue(str,v,s1,s2){

    str+=s1;

    var ary=str.split(s1);

    for(var i=0;i<ary.length;i++){

       if(ary[i].indexOf(s2)>=0){

           if(ary[i].split(s2)[0]==v){

              return ary[i].substring(ary[i].indexOf(s2)    +s2.length);

           }

       }  

    }

    return ‘‘;

}

function neverDragDivision(fObj) { with (this)

{

    if (!fObj) return;

    this.bDraged = false;

    this.oDragOrig = fObj;  

    oDragOrig.style.cursor = "move";

    oDragOrig.onmousedown = function()

    {

       var ofs = Offset(oDragOrig);

      oDragOrig.style.position = "absolute";

       oDragOrig.style.left = ofs.l;

       oDragOrig.style.top = ofs.t;

       oDragOrig.X = event.clientX - ofs.l;

       oDragOrig.Y = event.clientY - ofs.t;

       bDraged = true;

    };    

    //this.leftDiv=Offset(document.getElementById(‘left1‘));

    oDragOrig.onmousemove = function()

    {

       if (!bDraged) return;

       oDragOrig.setCapture();

    //window.status=leftDiv.l+‘;‘+oDragOrig.X+‘:‘+oDragOrig.Y+‘,‘+oDragOrig.style.left+‘:‘+oDragOrig.style.top;

       var l= event.clientX - oDragOrig.X;

       var t = event.clientY - oDragOrig.Y;

       //if(Math.abs(l-leftDiv.l)<=50)l=150;

       oDragOrig.style.left=l;

       oDragOrig.style.top=t;

    };

    oDragOrig.onmouseup = function()

    {

       bDraged = false;

       oDragOrig.releaseCapture();

    };

    function Offset(e) {

       var t = e.offsetTop;

       var l = e.offsetLeft;

       var w = e.offsetWidth;

       var h = e.offsetHeight;

       while(e=e.offsetParent) {

           t+=e.offsetTop;

           l+=e.offsetLeft;

       }

       return { t:t, l:l, w:w, h:h }

    };

}};

//图片按比例缩放

function changeImg(ImgD,iwidth,iheight){   

     var image=new Image();

     image.src=ImgD.src;

    if(image.width>0 && image.height>0){   

    if(image.width/image.height>= iwidth/iheight){

        if(image.width>iwidth){ 

         ImgD.width=iwidth;

         ImgD.height=(image.height*iwidth)/image.width;

         }else{

         ImgD.width=image.width; 

         ImgD.height=image.height;

         }

         ImgD.alt=image.width+"×"+image.height;

         }

    else{

        if(image.height>iheight){ 

         ImgD.height=iheight;

         ImgD.width=(image.width*iheight)/image.height;       

         }else{

         ImgD.width=image.width; 

         ImgD.height=image.height;

         }

         ImgD.alt=image.width+"×"+image.height;

         }

     }

}

[在此处输入文章标题]

// JScript 文件

/*

==================================================================

JS 公共函数

                         080827

============================================================

*/

/*

==================================================================

功能：

============================================================

*/

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：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.subs

tr(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：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：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="+-";

    }

  &nbsp;

    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);<BR>            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：字符串操作,去除字符串两边的空格

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;

    }

} 

///////////////////////////

function setCopy(_sTxt){try{clipboardData.setData(‘Text‘,_sTxt);window.status=_sTxt+‘已经复制到剪贴板‘}catch(e){}}

function setHome(){try{window.external.AddFavorite(window.document.location,window.document.title)}catch(e){};}

function $(d){try{return document.getElementById(d);}catch(e){return null;}}

function marquees(view,src,cont){

var speed=50 ;

var _demo=$(view); var _demo1=$(src); var _demo2=$(cont);

_demo2.innerHTML=_demo1.innerHTML+_demo1.innerHTML ;

function Marquee(){

if(_demo.offsetWidth<=_demo.scrollLeft){

_demo.scrollLeft=0

}else{

_demo.scrollLeft++

}

//window.status=_demo.offsetWidth+‘,‘+_demo.scrollLeft;

}

var MyMar=setInterval(Marquee,speed) ;

_demo.onmouseover=function() {clearInterval(MyMar)}

_demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}

}

function xmlhttp(){

    try { return new ActiveXObject("Msxml2.XMLHTTP");    } catch(e) {}

    try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {}

    try { return new XMLHttpRequest();                   } catch(e) {}

    window.status=‘XMLHTTP error!‘; return null;

}

function setText(http,out,isalert,callback){

    if(!isalert){

       if(out==‘‘)out=‘mybody‘;

       var obj=document.getElementById(out);

       window.status=‘数据载入中，请稍候... ...‘;

       obj.innerHTML=‘<p><img src=/img/loading.gif border=0 width=32 height=32 align=absmiddle>数据载入中，请稍候... ...</P>‘; 

    }

    var s=‘‘;

    if (http.readyState == 4) {

       window.status=‘完成‘;

       if(http.status ==200){s=unescape(http.responseText);}else{s=‘<p>服务器忙或网络不通，请稍后再试。‘+http.statusText+‘<br>‘+unescape(http.responseText)+‘</p>‘;} 

       if(!isalert){obj.innerHTML=s;if(callback!=‘‘){eval(callback);}

       }else{ if(s!=‘‘){ if(callback!=‘‘){eval(callback);}alert(s); } }

       delete http;

       http=null;

    }

}

//  a=1;b=2; 从类似字符串中返回a的值var a=getValue(str,‘a‘,‘;‘,‘=‘);

function getValue(str,v,s1,s2){

    str+=s1;

    var ary=str.split(s1);

    for(var i=0;i<ary.length;i++){

       if(ary[i].indexOf(s2)>=0){

           if(ary[i].split(s2)[0]==v){

              return ary[i].substring(ary[i].indexOf(s2)    +s2.length);

           }

       }  

    }

    return ‘‘;

}

function neverDragDivision(fObj) { with (this)

{

    if (!fObj) return;

    this.bDraged = false;

    this.oDragOrig = fObj;  

    oDragOrig.style.cursor = "move";

    oDragOrig.onmousedown = function()

    {

       var ofs = Offset(oDragOrig);

      oDragOrig.style.position = "absolute";

       oDragOrig.style.left = ofs.l;

       oDragOrig.style.top = ofs.t;

       oDragOrig.X = event.clientX - ofs.l;

       oDragOrig.Y = event.clientY - ofs.t;

       bDraged = true;

    };    

    //this.leftDiv=Offset(document.getElementById(‘left1‘));

    oDragOrig.onmousemove = function()

    {

       if (!bDraged) return;

       oDragOrig.setCapture();

    //window.status=leftDiv.l+‘;‘+oDragOrig.X+‘:‘+oDragOrig.Y+‘,‘+oDragOrig.style.left+‘:‘+oDragOrig.style.top;

       var l= event.clientX - oDragOrig.X;

       var t = event.clientY - oDragOrig.Y;

       //if(Math.abs(l-leftDiv.l)<=50)l=150;

       oDragOrig.style.left=l;

       oDragOrig.style.top=t;

    };

    oDragOrig.onmouseup = function()

    {

       bDraged = false;

       oDragOrig.releaseCapture();

    };

    function Offset(e) {

       var t = e.offsetTop;

       var l = e.offsetLeft;

       var w = e.offsetWidth;

       var h = e.offsetHeight;

       while(e=e.offsetParent) {

           t+=e.offsetTop;

           l+=e.offsetLeft;

       }

       return { t:t, l:l, w:w, h:h }

    };

}};

//图片按比例缩放

function changeImg(ImgD,iwidth,iheight){   

     var image=new Image();

     image.src=ImgD.src;

    if(image.width>0 && image.height>0){   

    if(image.width/image.height>= iwidth/iheight){

        if(image.width>iwidth){ 

         ImgD.width=iwidth;

         ImgD.height=(image.height*iwidth)/image.width;

         }else{

         ImgD.width=image.width; 

         ImgD.height=image.height;

         }

         ImgD.alt=image.width+"×"+image.height;

         }

    else{

        if(image.height>iheight){ 

         ImgD.height=iheight;

         ImgD.width=(image.width*iheight)/image.height;       

         }else{

         ImgD.width=image.width; 

         ImgD.height=image.height;

         }

         ImgD.alt=image.width+"×"+image.height;

         }

     }

}

JavaScript公共函数

标签：

原文地址：http://www.cnblogs.com/hoobey/p/5187617.html