复制代码代码如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<Kopf>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<Titel>
密码强度检测
</title>
<style type="text/css">
body{font:12px/1.5 Arial;} input{float:left;font-size:12px;width:150px;font-family:arial;border:1px
durchgehend #ccc;padding:3px;} input.correct{border:1px durchgehend grün;} input.error{border:1px
durchgehend rot;} #tips{float:left;margin:2px 0 0 20px;} #tips span{float:left;width:50px;height:20px;color:#fff;overflow:hidden;background:#ccc;margin -right:2px;line-height:20px;text-align:center;}
#tips.s1 .active{background:#f30;} #tips.s2 .active{background:#fc0;} #tips.s3
.active{background:#cc0;} #tips.s4 .active{background:#090;}
</style>
<script type="text/javascript">
window.onload = function() {
var oTips = document.getElementById("tips");
var oInput = document.getElementsByTagName("input")[0];
var aSpan = oTips.getElementsByTagName("span");
var aStr = ["弱", "中", "强", "非常好"];
var i = 0;
oInput.onkeyup = oInput.onfocus = oInput.onblur = function() {
var index = checkStrong(this.value);
this.className = index ? „richtig“: „Fehler“;
oTips.className = "s" + index;
for (i = 0; i < aSpan.length; i++) aSpan[i].className = aSpan[i].innerHTML = "";
index && (aSpan[index - 1].className = "active", aSpan[index - 1].innerHTML = aStr[index - 1])
}
};
/** 强度规则
+ ------------------------------------------------- ------ +
1) 任何少于6个字符的组合,弱;任何字符数的同类字符组合,弱;
2) 任何字符数的两类字符组合,中;
3) 12 位字符数以下的三类或四类字符组合,强;
4) 12 位字符数以上的三类或四类字符组合,非常好.
+ ------------------------------------------------- ------ +
**/
//检测密码强度
Funktion checkStrong(sValue) {
var Modi = 0;
if (sValue.length < 6) Rückgabemodi;
if (//d/.test(sValue)) models++; //数字
if (/[az]/.test(sValue)) models++; //小写
if (/[AZ]/.test(sValue)) models++; //大写
if (//W/.test(sValue)) models++; //特殊字符
wechseln (Modi) {
Fall 1:
Rückgabe 1;
brechen;
Fall 2:
Rückkehr 2;
Fall 3:
Fall 4:
sValue.length < 12 zurückgeben? 3 : 4
brechen;
}
}
</script>
</head>
<Körper>
<input type="password" value="" maxlength="16" />
<div id="tips">
<span></span>
<span></span>
<span></span>
<span></span>
</div>
</body>
</html>