js验证

1、数字 

Js代码

1. function testisNum(object)   
2.                        {   
3.              
4.                         var s =document.getElementById(object.id).value;   
5.                  
6.                             if(s!="")   
7.                             {   
8.                                  if(isNaN(s))   
9.                                 {   
10.                                  alert("请输入数字");   
11.                                  object.value="";   
12.                                  object.focus();   
13.                                 }   
14.                             }   
15.                         }  

2、电话号码，传真 

Js代码

1. //校验普通电话、传真号码：可以“+”开头，除数字外，可含有“-”   
2.             function isTel(object)   
3.             {   
4.             //国家代码(2到3位)-区号(2到3位)-电话号码(7到8位)-分机号(3位)"   
5.   
6.              var s =document.getElementById(object.id).value;    
7.              var pattern =/^(([0\+]\d{2,3}-)?(0\d{2,3})-)(\d{7,8})(-(\d{3,}))?$/;   
8.              //var pattern =/(^[0-9]{3,4}\-[0-9]{7,8}$)|(^[0-9]{7,8}$)|(^\([0-9]{3,4}\)[0-9]{3,8}$)|(^0{0,1}13[0-9]{9}$)/;    
9.                  if(s!="")   
10.                  {   
11.                      if(!pattern.exec(s))   
12.                      {   
13.                       alert('请输入正确的电话号码:电话号码格式为国家代码(2到3位)-区号(2到3位)-电话号码(7到8位)-分机号(3位)"');   
14.                       object.value="";   
15.                       object.focus();   
16.                      }   
17.                  }   
18.             }  

3、邮箱 

Js代码

1. function Check(object)   
2.           {    
3.         var s =document.getElementById(object.id).value;    
4.              var pattern =/^[a-zA-Z0-9_\-]{1,}@[a-zA-Z0-9_\-]{1,}\.[a-zA-Z0-9_\-.]{1,}$/;   
5.                  if(s!="")   
6.                  {   
7.                      if(!pattern.exec(s))   
8.                      {   
9.                       alert('请输入正确的邮箱地址');   
10.                       object.value="";   
11.                       object.focus();   
12.                      }   
13.                  }   
14.                    
15.         }  

4、手机号码 

Js代码

1. //校验手机号码：必须以数字开头，除数字外，可含有“-”   
2.              function isMobile(object)   
3.             {   
4.             var s =document.getElementById(object.id).value;    
5.             var reg0 = /^13\d{5,9}$/;   
6.             var reg1 = /^153\d{4,8}$/;   
7.             var reg2 = /^159\d{4,8}$/;   
8.             var reg3 = /^0\d{10,11}$/;   
9.             var my = false;   
10.             if (reg0.test(s))my=true;   
11.             if (reg1.test(s))my=true;   
12.             if (reg2.test(s))my=true;   
13.             if (reg3.test(s))my=true;   
14.                 if(s!="")   
15.                 {   
16.                     if (!my)   
17.                     {   
18.                        alert('请输入正确的手机号码');   
19.                        object.value="";   
20.                        object.focus();   
21.                     }   
22.                 }   
23.             }  

5、邮编 

Js代码

1. //校验(国内)邮政编码   
2.            function isPostalCode(object)   
3.            {   
4.             var s =document.getElementById(object.id).value;    
5.             var pattern =/^[0-9]{6}$/;   
6.                 if(s!="")   
7.                 {   
8.                     if(!pattern.exec(s))   
9.                     {   
10.                      alert('请输入正确的邮政编码');   
11.                      object.value="";   
12.                      object.focus();   
13.                     }   
14.                 }   
15.            }  

6、日期 

Js代码

1. //校验日期   
2.             function isdate(object)   
3.             {   
4.              var s =document.getElementById(object.id).value;    
5.              var pattern =/^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[0-9])|([1-2][0-3]))\:([0-5]?[0-9])((\s)|(\:([0-5]?[0-9])))))?$/;   
6.                  if(s!="")   
7.                  {   
8.                      if(!pattern.exec(s))   
9.                      {   
10.                       alert('请输入正确的日期');   
11.                       object.value="";   
12.                       object.focus();   
13.                      }   
14.                  }            
15.             }