php判断密码强度

来源：互联网发布：杀马特火星文知乎编辑：程序博客网时间：2024/05/16 01:34

一、php页面

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$score = 0;
if(!empty($_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

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<tablecellspacing="0"cellpadding="0">
<tr>
<td>输入密码：</td>
<tdcolspan="4"><inputtype="password"value=""name="newpwd"onblur="getPassword();"/>
</tr>
<tr>
<td>密码强度：</td>
<tdid="idSM1"align="middle"width="20%"><spanstyle="height:0px; line-height:0px;"> </span><spanid="idSMT1"style="DISPLAY: none">弱</span></td>
<tdid="idSM2"style="BORDER-LEFT: #fff 1px solid"align="middle"width="20%"><spanstyle="height:0px; line-height:0px;"> </span><spanid="idSMT0"style="DISPLAY:inline; FONT-WEIGHT: normal; COLOR: #666">无</span><spanid="idSMT2"style="DISPLAY: none">中等</span></td>
<tdid="idSM3"style="BORDER-LEFT: #fff 1px solid"align="middle"width="20%"><spanstyle="height:0px; line-height:0px;"> </span><spanid="idSMT3"style="DISPLAY: none">强</span></td>
<tdid="idSM4"style="BORDER-LEFT: #fff 1px solid"align="middle"width="20%"> <spanstyle="height:0px; line-height:0px;"> </span><spanid="idSMT4"style="DISPLAY: none">极好</span></td>
</tr>
</table>

三、js

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<script>
function getPassword(){
    varvalue = $("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: #bebebe1px solid;BORDER-BOTTOM:#bebebe 1px solid;BACKGROUND-COLOR: #ebebeb;TEXT-ALIGN:center;}
.pwdChkCon1{BORDER-RIGHT: #bb2b2b1px solid;BORDER-BOTTOM:#bb2b2b 1px solid;BACKGROUND-COLOR: #ff4545;TEXT-ALIGN:center;}
.pwdChkCon2{BORDER-RIGHT: #e9ae101px solid;BORDER-BOTTOM:#e9ae10 1px solid;BACKGROUND-COLOR: #ffd35e;TEXT-ALIGN:center;}
.pwdChkCon3{BORDER-RIGHT: #267a121px solid;BORDER-BOTTOM:#267a12 1px solid;BACKGROUND-COLOR: #3abb1c;TEXT-ALIGN:center;}
.pwdChkCon4{BORDER-RIGHT: #267a121px solid;BORDER-BOTTOM:#267a12 1px solid;BACKGROUND-COLOR: #3abb1c;TEXT-ALIGN:center;}
</style>

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