一个即时表单验证的javascript代码

时间:2020-05-12 人气:0

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml" lang="en"> 
<head> 
<title>可爱吧--教你做可爱女人--化妆 美容 美化 瘦身 护肤--深圳可爱吧</title> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<meta name="description" content="可爱吧,美容瘦身,健体,生活情感受,提供最新少女装,淑女装,OL装,日韩流行饰品,服饰搭配,流行品牌等信息." /> 
<meta name="keywords" content="可爱吧,美容瘦身,健体,生活情感受,2007年,少女,淑女,OL,日韩,服装,搭配,流行,时尚,品牌,饰品,服饰搭配" /> 
<link href="http://www.lovebars.cn/lovebars/bbs/styles/styles5.css" rel="stylesheet" type="text/css" /> 
<script language="javascript"> 
// 此脚本由刘海民编写 
// 网站：http://www.szrgb.net 
// 邮箱：lovelium@gmail.com 
var num=5; 
var mon1=0; 
var mon2=0; 
var mon3=0; 
var mon4=0; 
var mon5=0;

//封装得到对像ID涵数 
function getObj(objName){return(document.getElementById(objName));}

//input得到焦点效果 
function showare(id){ 
        for(var i=1;i<=num;i++){ 
        if(i==id) { 
         getObj("sps"+i).className="reg2"; 
    } 
        else{

if(i==num || i==(id-1)){ 
             getObj("sps"+i).className="reg1"; 
             } 
          else{ 
             getObj("sps"+i).className="reg1"; 
             } 
         } 
    } 
}

//过滤 
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; 
}

//过滤 
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; 
}

function Trim(str) 
{ 
 return RTrim(LTrim(str)); 
}

//邮箱验证涵数 
function isemail(s) 
{ 
 var i=1; 
 var sLength=s.length; 
 while((i<sLength)&&(s.charAt(i)!="@")) 
 { 
  i++; 
 } 
 //不存在@返回false 
 if((i>=sLength)||(s.charAt(i)!="@")) 
  return false; 
 else 
  i+=2; 
 //找到'.'的位置 
 while((i<sLength)&&(s.charAt(i)!=".")) 
 { 
  i++; 
 } 
 //如果找不到. 肯定不是一个有效的Email 
 if((i>=sLength-1)||(s.charAt(i)!=".")) 
  return false; 
 else 
  return true; 
} 
   
//用户名检测 
function checkloginname() 
{

if (getObj("input1").value=="" || Trim(getObj("input1").value)=="") 
 {  
   getObj("sps1").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>请输入注册用户名！</font>";

mon1=0; 
  getObj("checkuserme").disabled=true; 
   allok(); 
   return false; 
 }else{ 
 if (Trim(getObj("input1").value).indexOf(" ")>=0)  
 {  
   getObj("sps1").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>注册用户名中不能包含空格！</font>";

mon1=0; 
  getObj("checkuserme").disabled=true; 
   allok(); 
  return false;  
 }else{ 
 if (Trim(getObj("input1").value).length<3)  
 {  
   getObj("sps1").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>注册用户名不能少于3个字符！</font>";

mon1=0; 
  getObj("checkuserme").disabled=true; 
   allok(); 
  return false;  
 }else{ 
 if (Trim(getObj("input1").value).length>20)  
 {  
   getObj("sps1").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>注册用户名不能超过20个字符！</font>";

mon1=0; 
  getObj("checkuserme").disabled=true; 
   allok(); 
  return false; 
 }else{ 
 getObj("sps1").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesok.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#AED231'>用户名OK啦！但为了更好的注册希望您可以验证一下是否可用此用户名。很简单，点一下现在按钮就行啦！</font>"; 
   mon1=1; 
  getObj("checkuserme").disabled=false; 
   allok(); 
  return false; 
} 
} 
} 
} 
}

//输入密码检测 
function checkpassword() 
{

mon2=0; 
   allok(); 
   return false; 
 }else{ 
 if (Trim(getObj("input2").value).indexOf(" ")>=0)  
 {  
   getObj("sps2").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>密码中不能包含空格！</font>";

mon2=0; 
   allok(); 
  return false;  
 }else{ 
 if (Trim(getObj("input2").value).length<4)  
 {  
   getObj("sps2").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>密码不能少于4个字符！</font>";

mon2=0; 
   allok(); 
  return false;  
 }else{ 
 if (Trim(getObj("input2").value).length>20)  
 {  
   getObj("sps2").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>密码不能超过20个字符！</font>";

mon2=0; 
   allok(); 
  return false; 
 }else{ 
   getObj("sps2").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesok.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#AED231'>密码设置OK啦！</font>";  
   mon2=1; 
   allok();  
  return false; 
} 
 } 
 } 
 } 
}

//重复输入密码检测 
function checkreturnpass() 
{

if (getObj("input3").value=="" || Trim(getObj("input3").value)=="") 
 {  
   getObj("sps3").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>请确认密码！</font>";

mon3=0; 
   allok(); 
   return false; 
 }else{ 
   if(getObj("input2").value!=getObj("input3").value) 
   { 
     getObj("sps3").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>您两次输入的密码不相符！</font>"

mon3=0; 
   allok(); 
     return false; 
   }else{ 
    getObj("sps3").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesok.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#AED231'>您两次输入的密码十分相符！</font>" 
   mon3=1; 
   allok();    
  return false;  
} 
} 
}

//邮箱检测 
function checkmyemail() 
{  
 if (getObj("input4").value=="" || Trim(getObj("input4").value)=="") 
 {  
   getObj("sps4").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>请正确输入您的E-Mail地址！</font>"

mon4=0; 
   allok(); 
   return false; 
 }else{ 
 if(!isemail(getObj("input4").value)) 
 { 
   getObj("sps4").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>您输入的E-Mail地址无效！</font>"

mon4=0; 
   allok(); 
   return false; 
 }else{ 
   getObj("sps4").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesok.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#AED231'>您输入的E-Mail地址OK啦！</font>" 
   mon4=1; 
   allok();  
  return false; 
} 
 } 
}

//同意按钮检测 
function chekme1(){ 
   mon5=1; 
   allok();  
  return false; 
}

function chekme2(){ 
   mon5=0; 
   allok();  
  return false; 
}

//全部检测（选部分检测） 
function checkall(){ 
 if (getObj("input1").value=="" || Trim(getObj("input1").value)=="") 
  {  
   getObj("sps1").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>请输入注册用户名！</font>"; 
   mon1=0; 
   allok();  
   return false; 
   }

if (getObj("input2").value=="" || Trim(getObj("input2").value)=="") 
 {  
   getObj("sps2").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>请输入注册密码！</font>"; 
   mon2=0; 
   allok(); 
   return false; 
 } 
 if (getObj("input3").value=="" || Trim(getObj("input3").value)=="") 
 {  
   getObj("sps3").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>请确认密码！</font>"; 
   mon3=0; 
   allok(); 
   return false; 
 } 
 if (getObj("input3").value!=getObj("input2").value) 
 { 
  getObj("sps3").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>请确认密码正确！</font>"; 
   mon3=0; 
   allok(); 
   return false; 
  }

if (getObj("input4").value=="" || Trim(getObj("input4").value)=="") 
 {  
   getObj("sps4").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>请正确输入您的E-Mail地址！</font>" 
   mon4=0; 
   allok(); 
   return false; 
 } 
}

//重要，AJAX检测检证码 
function GetResultjishu() 
{ 
var maxid1; 
var oBao1 = false; 
/*@cc_on @*/ 
/*@if (@_jscript_version >= 5) 
try { 
  oBao1 = new ActiveXObject("Msxml2.XMLHTTP"); 
} catch (e) { 
  try { 
    oBao1 = new ActiveXObject("Microsoft.XMLHTTP"); 
  } catch (e2) { 
    oBao1 = false; 
  } 
} 
@end @*/ 
if (!oBao1 && typeof XMLHttpRequest != 'undefined') { 
  oBao1 = new XMLHttpRequest(); 
} 
oBao1.open("POST","readseion.asp",false); 
oBao1.setRequestHeader("Content-Type","application/x-www-form-urlencoded") 
oBao1.send(); 
//服务器端处理返回的是经过escape编码的字符串. 
maxid1 = unescape(oBao1.responseText); 
getObj("mycode").innerHTML=maxid1; 
/https://img.qb5200.com/download-x/document.getElementById("showf").innerHTML=maxid1; 
}

//检测验证码 
function checkcode(){ 
    GetResultjishu(); 
if (getObj("yanzheng").value=="" || Trim(getObj("yanzheng").value)=="") 
 {  
   getObj("sps5").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>请正确输入验证码！</font>" 
   return false; 
 }else{ 
    if (getObj("mycode").innerHTML==Trim(getObj("yanzheng").value)) 
 {  
 getObj("sps5").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesok.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#AED231'>验证码正确啦！</font>" 
 }else 
 { 
  getObj("sps5").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>请正确输入验证码！</font>"  
   return false; 
 } 
 } 
}

//用户名检测 
function myuser(){ 
var pageId=getObj("input1").value; 
/* 
*--------------- GetResult() ----------------- 
* GetResult() 
* 功能:通过XMLHTTP发送请求,返回结果. 
*--------------- GetResult() ----------------- 
*/ 
/* Create a new XMLHttpRequest object to talk to the Web server */ 
var oBao = false; 
/*@cc_on @*/ 
/*@if (@_jscript_version >= 5) 
try { 
  oBao = new ActiveXObject("Msxml2.XMLHTTP"); 
} catch (e) { 
  try { 
    oBao = new ActiveXObject("Microsoft.XMLHTTP"); 
  } catch (e2) { 
    oBao = false; 
  } 
} 
@end @*/ 
if (!oBao && typeof XMLHttpRequest != 'undefined') { 
  oBao = new XMLHttpRequest(); 
} 
//特殊字符：+,%,&,=,?等的传输解决办法.字符串先用escape编码的. 
//Update:2004-6-1 12:22 
    var userInfoo = "pageid="+pageId; 
    oBao.open("POST","checkuser.asp",false); 
    oBao.setRequestHeader("Content-Type","application/x-www-form-urlencoded") 
    oBao.send(userInfoo); 
//服务器端处理返回的是经过escape编码的字符串. 
var strResult = unescape(oBao.responseText); 
//将字符串分开. 
if (strResult==getObj("input1").value){ 
getObj("sps1").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesno.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#ff0000'>不行啦，有重名啦Q！</font>"; 
mon1=0; 
allok(); 
return false; 
}else{ 
getObj("sps1").innerHTML="<img onerror="javascript:this.src='/skin1/img/error.jpg';" src='images/yesok.gif' width='16' height='16' hspace='3' align='absmiddle' /><font color='#AED231'>用户名OK啦！可以进行下步啦！</font>"; 
mon1=1; 
allok(); 
return false; 
} 
}

//修改验证码 
function changecode(){ 
    myc.location.href="tocod.asp"; 
}

//发送扭钮状态检测 
function allok(){ 
  if (mon1==1&&mon2==1&&mon3==1&&mon4==1&&mon5==1){ 
getObj("Submit").disabled=false; 
}else{ 
getObj("Submit").disabled=true; 
} 
}

//复位 
function resetall(){ 
  for(var i=1;i<=4;i++){ 
  getObj("input"+i).value=""; 
  } 
  getObj("yanzheng").value=""; 
  getObj("acctiveme").checked=false; 
  getObj("sps1").className="reg1"; 
  getObj("sps1").innerHTML="3～20个合法字符(包括大小写字母、数字、下划线、中文)，一旦注册成功用户名不能修改。"; 
  getObj("sps2").className="reg1"; 
  getObj("sps2").innerHTML="密码区分大小写，4～20个合法字符组成，请尽量使用英文字母加数字或符号的组合密码。"; 
  getObj("sps3").className="reg1"; 
  getObj("sps3").innerHTML="请再输入一遍您上面输入的密码。"; 
  getObj("sps4").className="reg1"; 
  getObj("sps4").innerHTML="E-mail非常重要！这是我们与您联系的首选方式，以及接收我们的服务和取回密码的途径，请务必填写真实，并确认是您最常用的电子邮件。"; 
  getObj("sps5").className="reg1"; 
  getObj("sps5").innerHTML="请输入您的验证码!"; 
  getObj("checkuserme").disabled=true; 
mon1=0; 
mon2=0; 
mon3=0; 
mon4=0; 
mon5=0; 
allok(); 
}

//有趣的功能，刷新页面时调用些涵数 
function chefirst(){ 
 if (getObj("input1").value!="" || getObj("input2").value!="" || getObj("input3").value!="" || getObj("input4").value!="" || getObj("yanzheng").value!=""){ 
checkloginname(); 
checkpassword(); 
checkreturnpass(); 
checkmyemail(); 
checkcode(); 
return false; 
}else{ 
return false; 
} 
} 
</script> 
</head>

<body onload="return chefirst()"> 
<div></div> 
<div><form name="theForm" action="addusers.asp" method="post" onsubmit="return checkall()"> 
<p class="tishi"><font color="#0033CC"><b>女人沙龙注册步骤</b></font>-<font color="#FF6600">注册社区ID</font> >>  进入社区</p> 
<dl class="biao"> 
<dt><span>注册登陆名： 
  <input name="loginname" type="text" id="input1" onfocus="showare(1)" onblur="return checkloginname()" /> 
</span><span class="reg1" id="sps1">3～20个合法字符(包括大小写字母、数字、下划线、中文)，一旦注册成功用户名不能修改。</span> 
<https://img.qb5200.com/download-x/dt> 
<dd> 
  <input type="image" id="checkuserme" src="images/checkname.jpg" onclick="return myuser()" name="Submit3" value="提交" disabled/> 
  <https://img.qb5200.com/download-x/dd> 
<dd>接受相关协议： 
  <input name="acctiveme" type="radio" id="acctiveme" value="yes" onclick="chekme1()" />  
  接受 
  <input type="radio" name="acctiveme" id="acctiveme" onclick="chekme2()" value="no" />  
  不接受 <a href="https://m.qb5200.com/article/readgeze.html" target="_blank" class="toplink">相关协议</a> <https://img.qb5200.com/download-x/dd> 
<dt><span>注册密码： 
  <input name="password" type="text" id="input2" onfocus="showare(2)"  onblur="return checkpassword()"/> 
</span><span class="reg1" id="sps2">密码区分大小写，4～20个合法字符组成，请尽量使用英文字母加数字或符号的组合密码。</span> 
<https://img.qb5200.com/download-x/dt> 
<dt><span>重复密码： 
  <input name="returnpass" type="text" id="input3" onfocus="showare(3)"  onblur="return checkreturnpass()"/> 
</span><span class="reg1" id="sps3">请再输入一遍您上面输入的密码。</span> 
<https://img.qb5200.com/download-x/dt> 
<dt><span>电子邮件： 
  <input name="myemail" type="text" id="input4" onfocus="showare(4)"  onblur="return checkmyemail()"/> 
</span><span class="reg1" id="sps4">E-mail非常重要！这是我们与您联系的首选方式，以及接收我们的服务和取回密码的途径，请务必填写真实，并确认是您最常用的电子邮件。</span> 
<https://img.qb5200.com/download-x/dt> 
<dd><span>验 证 码： 
  <input name="yanzheng" type="text" id="yanzheng"  onfocus="showare(5)" size="5" onblur="checkcode()" />  <iframe scrolling="no" id="myc" frameborder="0" marginheight="0" marginwidth="0" vspace="0" hspace="0" width="60" height="15" src="tocod.asp"></iframe> 
  <img onerror="javascript:this.src='/skin1/img/error.jpg';" src="https://img.qb5200.com/download-x/20200511/26047.gif" style="cursor:pointer " onclick="changecode()" width="37" height="16" /></span><span class="reg1" id="sps5">请输入您的验证码!</span><font id="mycode" style="display:none ">d</font> 
<https://img.qb5200.com/download-x/dd> 
<dt style="text-align:center "> 
  <input type="submit" id="Submit" name="Submit" value=" 提 交 " disabled /> 
  <input type="reset" name="Submit2" onclick="resetall()" value=" 重 置 " /> 
<https://img.qb5200.com/download-x/dt> 
<https://img.qb5200.com/download-x/dl> 
</form> 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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