密码强度检测函数（正则）

2006-08-22 00:00:00 作者：

密码强度检测函数（正则）

<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>OA登录</title> 
<style type="text/css"> 
 
</style> 
<SCRIPT> 
function showImage(){ 
var imgObj=new Image(); //创建一个Image对象 
imgObj.src="http://www.beingmate.com/images/banner_chang_add.gif"; //装载Image源 
if(typeof(imgObj)=="object"){ //判断imgObj装载过后是否为对象，防止异常操作 
var width=0; 
var height=0; 
width=imgObj.width+20; //+20是因为IE方式的默认边距 
height=imgObj.height+20; 
if(width!=0&&height!=0){ 
window.open(imgObj.src,"Imagehow", "toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=" +( width )+ ",height=" +( height)); 
}else{ 
setTimeout("showImage()", 100); // 判断图片是否装载完成，只有在装载完成后才能取到宽高值 
} 
}else{ 
alert("系统错误"); 
} 
} 
//showImage(); 
</SCRIPT> 
<script type="text/javascript"> 
//From BBS.51JS.COM By 网络东西 
var $ = function(v){return document.getElementById(v);} 
function isSecurity(v){ 
 if (v.length < 3) { iss.reset();return;} 
 var lv = -1; 
 if (v.match(/[a-z]/ig)){lv++;} 
 if (v.match(/[0-9]/ig)){lv++;} 
 if (v.match(/(.[^a-z0-9])/ig)){lv++;} 
 if (v.length < 6 && lv > 0){lv--;} 
 iss.reset(); 
 switch(lv) {  
 case 0: 
 iss.level0(); 
 break; 
 case 1: 
 iss.level1(); 
 break; 
 case 2: 
 iss.level2(); 
 break; 
 default: 
 iss.reset(); 
 } 
} 
var iss = { 
 color:["CC0000","FFCC33","66CC00","CCCCCC"], 
 text:["弱","中","强"], 
 width:["50","100","150","10"], 
 reset:function(){ 
 $("B").style.backgroundColor = iss.color[3]; 
 $("B").style.width = iss.width[3]; 
 $("A").innerHTML = ""; 
 }, 
 level0:function(){ 
 $("B").style.backgroundColor = iss.color[0]; 
 $("B").style.width = iss.width[0]; 
 $("A").innerHTML = "密码较弱";  
 }, 
 level1:function(){ 
 $("B").style.backgroundColor = iss.color[1]; 
 $("B").style.width = iss.width[1]; 
 $("A").innerHTML = "中";  
 }, 
 level2:function(){ 
 $("B").style.backgroundColor = iss.color[2]; 
 $("B").style.width = iss.width[2]; 
 $("A").innerHTML = "高强"; 
 } 
} 
</script> 
<style type="text/css"> 
 
</style> 
</head>

<body background="BG.gif" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0"> 
<table width="100%" height="100%" border="0" cellpadding="0" cellspacing="0"> 
  <tr>  
    <td align="center">  
      <table width="500" border="0" cellpadding="0" cellspacing="2" bgcolor="#427CD5"> 
        <tr> 
          <td><table width="600" height="350" border="0" cellpadding="0" cellspacing="1" bgcolor="#FFFFFF"> 
              <tr>  
                <td valign="top" background="bg.jpg"><table width="100%" border="0" cellspacing="0" cellpadding="0"> 
                    <tr>  
                      <td width="13%" height="126">&nbsp;</td> 
                      <td width="87%">&nbsp;</td> 
                    </tr> 
                    <tr>  
                      <td>&nbsp;</td> 
                      <td align="right"><div align="left"> <span class="font14"><a href="http://www.beingmate.com/user_login/" target="_blank"><font color="#FF3300">贝因美冠军宝贝大赛专用信息平台入口</font></a></span>  
                          <p align="center"><font color=#ff0000>用户名或密码错误，请重新输入。</font></p> 
<form name="loginform" method="post" action="Main.asp" target="_parent"> 
  <div align="left"></div> 
  <table border=0 width="55%" cellspacing=1 cellpadding=3> 
    <tr>  
      <td width="25%" align=right>帐号/编号:</td> 
      <td width="25%"><input name=LoginName type=text size=10 maxlength=20 class="doc_txt" value=""></td> 
      <td align=right>密码: <input name="Pwd" type="Password" size=10 maxlength=20 class="doc_txt" value="" onkeyup="isSecurity(this.value);"></td> 
    </tr> 
    <tr>  
      <td height="50" colspan="3" align=right><div align="center"> 
        <table width="100%" border="0" cellspacing="0" cellpadding="0"> 
          <tr> 
            <td width="36%" align="right"><font class="red" id="A">密码强度检测</font>&nbsp;</td> 
            <td width="64%" valign="top"> 
<table height="8" border="1" align="left" cellpadding="0" cellspacing="0" bordercolor="#EEEEEE" style="border-collapse:collapse;"> 
<tr> 
 <td bgcolor="#EEEEEE" width="1" align="center" valign="middle" id="B"></td> 
</tr> 
</table></td> 
          </tr> 
        </table> 
         
 
      <table width="180" border="0" cellspacing="0" cellpadding="0"> 
        <tr>  
          <td width="83" align="right"><label> 
            <input type="submit" name="Submit" value=" 登 陆 " onclick="return CheckData();"/> 
          </label> 
            &nbsp; </td> 
                <td width="97" align="center"><a href="USER/REG.ASP" target="_blank"><font color="#FFFFFF">申请OA帐号</font></a></td> 
            </tr> 
        <tr align="right">  
          <td colspan="2">&nbsp; </td> 
            </tr> 
        </table> 
            <input name="login_auto" type="checkbox" id="login_auto" value="1" > 
        打勾后表示下次自动登陆
 
  <marquee behavior="scroll" scrollamount="3" direction="left" width="150"> 
    <font color="#FFFFFF"></font>  
    </marquee> 
        
 
      </div></td> 
    </tr> 
  </table> 
  <div align="left"></div> 
</form>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

密码强度检测函数（正则）

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