php判断密码强度

作者:弋江区易采办公设备经营部  发布时间:2017-09-11 13:50:35
php判断密码强度 一、php页面

$score = 0;

if(!empty($_GET['value'])){ //接收的值

$str = $_GET['value'];

}else{

$str = '';

}

if(preg_match("/[0-9]+/",$str))

{

$score ++;

}

if(preg_match("/[0-9]{3,}/",$str))

{

$score ++;

}

if(preg_match("/[a-z]+/",$str))

{

$score ++;

}

if(preg_match("/[a-z]{3,}/",$str))

{

$score ++;

}

if(preg_match("/[A-Z]+/",$str))

{

$score ++;

}

if(preg_match("/[A-Z]{3,}/",$str))

{

$score ++;

}

if(preg_match("/[_|\-|+|=|*|!|@|#|$|%|^|&|(|)]+/",$str))

{

$score += 2;

}

if(preg_match("/[_|\-|+|=|*|!|@|#|$|%|^|&|(|)]{3,}/",$str))

{

$score ++ ;

}

if(strlen($str) >= 10)

{

$score ++;

}

echo $score;exit;

二、html页面

<table cellspacing="0" cellpadding="0">

<tr>

<td>输入密码:</td>

<td colspan="4"><input type="password" value="" name="newpwd" onblur="getPassword();" />

</tr>

<tr>

<td>密码强度:</td>

<td id="idSM1" align="middle" width="20%"><span style="height:0px; line-height:0px;">&nbsp;</span><span id="idSMT1" style="DISPLAY: none">弱</span></td>

<td id="idSM2" style="BORDER-LEFT: #fff 1px solid" align="middle" width="20%"><span style="height:0px; line-height:0px;">&nbsp;</span><span id="idSMT0" style="DISPLAY:inline; FONT-WEIGHT: normal; COLOR: #666">无</span><span id="idSMT2" style="DISPLAY: none">中等</span></td>

<td id="idSM3" style="BORDER-LEFT: #fff 1px solid" align="middle" width="20%"><span style="height:0px; line-height:0px;">&nbsp;</span><span id="idSMT3" style="DISPLAY: none">强</span></td>

<td id="idSM4" style="BORDER-LEFT: #fff 1px solid" align="middle" width="20%"> <span style="height:0px; line-height:0px;">&nbsp;</span><span id="idSMT4" style="DISPLAY: none">极好</span></td>

</tr>

</table>

三、js

<script>

function getPassword(){

var value = $("input[name='newpwd']").attr('value');

$.get('index.php?r=account/testpwd',{value:value},function(data){

if(data>=1 && data<=3){

$('#idSM1').attr('class','pwdChkCon1'); //弱

$('#idSM2').attr('class','pwdChkCon0');

$('#idSM3').attr('class','pwdChkCon0');

$('#idSM4').attr('class','pwdChkCon0');

$('#idSMT1').show();

$('#idSMT0').hide();

$('#idSMT2').hide();

$('#idSMT3').hide();

$('#idSMT4').hide();

}else if(data>=4 && data<=6){ //中等

$('#idSM1').attr('class','pwdChkCon2');

$('#idSM2').attr('class','pwdChkCon2');

$('#idSM3').attr('class','pwdChkCon0');

$('#idSM4').attr('class','pwdChkCon0');

$('#idSMT0').hide();

$('#idSMT1').hide();

$('#idSMT2').show();

$('#idSMT3').hide();

$('#idSMT4').hide();

}else if(data>=7 && data<=8){ //强

$('#idSM1').attr('class','pwdChkCon3');

$('#idSM2').attr('class','pwdChkCon3');

$('#idSM3').attr('class','pwdChkCon3');

$('#idSM4').attr('class','pwdChkCon0');

$('#idSMT0').hide();

$('#idSMT1').hide();

$('#idSMT2').hide();

$('#idSMT3').show();

$('#idSMT4').hide();

}else if(data>=9 && data<=10){ //极好

$('#idSM1').attr('class','pwdChkCon4');

$('#idSM2').attr('class','pwdChkCon4');

$('#idSM3').attr('class','pwdChkCon4');

$('#idSM4').attr('class','pwdChkCon4');

$('#idSMT0').hide();

$('#idSMT1').hide();

$('#idSMT2').hide();

$('#idSMT3').hide();

$('#idSMT4').show();

}

});

}

四、css

<style>

.pwdChkCon0 {BORDER-RIGHT: #bebebe 1px solid;BORDER-BOTTOM: #bebebe 1px solid;BACKGROUND-COLOR: #ebebeb;TEXT-ALIGN: center;}

.pwdChkCon1 {BORDER-RIGHT: #bb2b2b 1px solid;BORDER-BOTTOM: #bb2b2b 1px solid;BACKGROUND-COLOR: #ff4545;TEXT-ALIGN: center;}

.pwdChkCon2 {BORDER-RIGHT: #e9ae10 1px solid;BORDER-BOTTOM: #e9ae10 1px solid;BACKGROUND-COLOR: #ffd35e;TEXT-ALIGN: center;}

.pwdChkCon3 {BORDER-RIGHT: #267a12 1px solid;BORDER-BOTTOM: #267a12 1px solid;BACKGROUND-COLOR: #3abb1c;TEXT-ALIGN: center;}

.pwdChkCon4 {BORDER-RIGHT: #267a12 1px solid;BORDER-BOTTOM: #267a12 1px solid;BACKGROUND-COLOR: #3abb1c;TEXT-ALIGN: center;}

</style>

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