PHP判断密码强弱级别
1 <div class="form-group"> 2 <i class="icons icon-pwd2"></i> 3 <input type="text" class="form-control" name="newpassword" placeholder="请输入新密码" id="newpassword" /> 4 </div>
1 <div class="form-group" id="hide" style="display: none;"> 2 <tr> 3 <td>密码强度：</td> 4 <td id="idSM1" align="middle" width="20%"><span style="height:0px; line-height:0px;"> </span><span id="idSMT1" style="DISPLAY: none">弱</span></td> 5 <td id="idSM2" style="BORDER-LEFT: #fff 1px solid" align="middle" width="20%"><span style="height:0px; line-height:0px;"> </span><span id="idSMT0" style="DISPLAY:inline; FONT-WEIGHT: normal; COLOR: #666">无</span><span id="idSMT2" style="DISPLAY: none; color: #FFBB00;">中等</span></td> 6 <td id="idSM3" style="BORDER-LEFT: #fff 1px solid" align="middle" width="20%"><span style="height:0px; line-height:0px;"> </span><span id="idSMT3" style="DISPLAY: none; color:#E63F00;">强</span></td> 7 <td id="idSM4" style="BORDER-LEFT: #fff 1px solid" align="middle" width="20%"> <span style="height:0px; line-height:0px;"> </span><span id="idSMT4" style="DISPLAY: none; color: #FF4500;">极好</span></td> 8 </tr> 9</div>
1 $(function(){ 2 // 判断密码强弱级别 3 $(document).on('blur','#newpassword',function(){ 4 $('#hide').show(); 5 var value = $("input[name='newpassword']").val().trim(); 6 if(value == ''){ 7 $('#hide').hide(); 8 $('#idSMT1').hide(); 9 $('#idSMT0').hide(); 10 $('#idSMT2').hide(); 11 $('#idSMT3').hide(); 12 $('#idSMT4').hide(); 13 } 14 15 $.post('judgepassword',{value:value},function(data){ 16 if(data>=1 && data<=3){ 17 $('#idSM1').attr('class','pwdChkCon1'); //弱 18 $('#idSM2').attr('class','pwdChkCon0'); 19 $('#idSM3').attr('class','pwdChkCon0'); 20 $('#idSM4').attr('class','pwdChkCon0'); 21 $('#idSMT1').show(); 22 $('#idSMT0').hide(); 23 $('#idSMT2').hide(); 24 $('#idSMT3').hide(); 25 $('#idSMT4').hide(); 26 } else if(data>=4 && data<=6){ //中等 27 $('#idSM1').attr('class','pwdChkCon2'); 28 $('#idSM2').attr('class','pwdChkCon2'); 29 $('#idSM3').attr('class','pwdChkCon0'); 30 $('#idSM4').attr('class','pwdChkCon0'); 31 $('#idSMT0').hide(); 32 $('#idSMT1').hide(); 33 $('#idSMT2').show(); 34 $('#idSMT3').hide(); 35 $('#idSMT4').hide(); 36 } else if(data>=7 && data<=8){ //强 37 $('#idSM1').attr('class','pwdChkCon3'); 38 $('#idSM2').attr('class','pwdChkCon3'); 39 $('#idSM3').attr('class','pwdChkCon3'); 40 $('#idSM4').attr('class','pwdChkCon0'); 41 $('#idSMT0').hide(); 42 $('#idSMT1').hide(); 43 $('#idSMT2').hide(); 44 $('#idSMT3').show(); 45 $('#idSMT4').hide(); 46 } else if(data>=9 && data<=10){ //极好 47 $('#idSM1').attr('class','pwdChkCon4'); 48 $('#idSM2').attr('class','pwdChkCon4'); 49 $('#idSM3').attr('class','pwdChkCon4'); 50 $('#idSM4').attr('class','pwdChkCon4'); 51 $('#idSMT0').hide(); 52 $('#idSMT1').hide(); 53 $('#idSMT2').hide(); 54 $('#idSMT3').hide(); 55 $('#idSMT4').show(); 56 } 57 }); 58 }); 59 });
PHP代码：
1 /** 2 * 判断密码重点级别 3 * @return [type] [description] 4 */ 5 public function judgepassword() 6 { 7 $score = 0; 8 if(!empty($_POST['value'])){ //接收的值 9 $str = $_POST['value']; 10 } else{ 11 $str = ''; 12 } 13 if(preg_match("/[0-9]+/",$str)) 14 { 15 $score ++; 16 } 17 if(preg_match("/[0-9]{3,}/",$str)) 18 { 19 $score ++; 20 } 21 if(preg_match("/[a-z]+/",$str)) 22 { 23 $score ++; 24 } 25 if(preg_match("/[a-z]{3,}/",$str)) 26 { 27 $score ++; 28 } 29 if(preg_match("/[A-Z]+/",$str)) 30 { 31 $score ++; 32 } 33 if(preg_match("/[A-Z]{3,}/",$str)) 34 { 35 $score ++; 36 } 37 if(preg_match("/[_|\-|+|=|*|!|@|#|$|%|^|&|(|)]+/",$str)) 38 { 39 $score += 2; 40 } 41 if(preg_match("/[_|\-|+|=|*|!|@|#|$|%|^|&|(|)]{3,}/",$str)) 42 { 43 $score ++ ; 44 } 45 if(strlen($str) >= 10) 46 { 47 $score ++; 48 } 49 echo $score; 50 }
