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php实现修改密码的方法

php实现修改密码的方法：首先进行前端页面布局；然后创建“<h4 class="popup-title">修改密码</h4>”；接着通过js判断密码；最后通过php后台处理修改密码即可。

推荐：《PHP视频教程》

该方法适用于任何品牌的电脑。

PHP实现登录，注册，密码修改

注册，登录，修改密码
1.登录

2.忘记密码

3.免费注册

页面布局 
<p id="views" class="views">
    <p id="view-login" class="page-view view-login active">
   <present name="wxuser">
  <p id="wxuser" class="form-group text-center">
 <p>
<img src="{sh:$wxuser.headimgurl}">
 </p>
 <h4 class="nickname">{sh:$wxuser.nickname}</h4>
  </p>
   </present>
   <!--登录-->
   <p id="login" class="step">
  <h4 class="popup-title login">登录</h4>
  <p class="go-forget">忘记密码</p>
  <form class="form-horizontal" role="form" type="get">
 <p class="form-group">
<label>手机号码</label>
<input type="tel" name="tel" class="form-item" id="tel_num" placeholder="请输入手机号码" value="">
 </p>
 <p class="form-group">
<label>登录密码</label>
<input type="password" name="password" class="form-item" placeholder="请填写密码">
 </p>
 <p class="js-help-info error"></p>
  </form>
  <p class="popup-options">
 <button type="button" class="btn btn-block btn-success js-login">确认</button>
  </p>
  <p class="go-register">免费注册</p>
   </p>
   <!--注册-->
   <p id="register" class="step" style="display:none;">
  <h4 class="popup-title">注册账号</h4>
  <form role="form" class="form-horizontal">
 <p class="form-group">
<label>手机号码</label>
<input type="tel" name="tel" class="form-item" id="tel_num" placeholder="请输入手机号码" value="">
 </p>
 <p class="form-group form-group-r">
<label>验证码</label>
<button class="btn-sm btn-white js-sms-code" type="button">获取验证码</button>
<input type="text" placeholder="请填写验证码" class="form-item" name="smscode" />
 </p>
 <p class="form-group">
<label>登录密码</label>
<input type="password" placeholder="设置登录密码" class="form-item" name="password" maxlength="30">
 </p>
 <p class="form-group">
<label>确认密码</label>
<input type="password" placeholder="确认登录密码" class="form-item" name="re_password" maxlength="30">
 </p>
 <p class="js-help-info error">
 </p>
  </form>
  <p class="popup-options">
 <button type="button" class="btn btn-block btn-success js-register">确认</button>
  </p>
  <p class="go-login">立即登录</p>
   </p>
   <!--修改密码-->
   <p id="changePwd" class="step" style="display:none;">
  <h4 class="popup-title">修改密码</h4>
  <form role="form" class="form-horizontal">
 <p class="form-group">
<label>手机号码</label>
<input type="tel" name="tel" class="form-item" id="tel_num" placeholder="请输入手机号码" value="">
 </p>
 <p class="form-group form-group-r">
<label>验证码</label>
<button class="btn-sm btn-white js-sms-excode" type="button">获取验证码</button>
<input type="text" placeholder="请填写验证码" class="form-item" name="smscode" />
 </p>
 <p class="form-group">
<label>新密码</label>
<input type="password" placeholder="设置登录密码" class="form-item" name="password" maxlength="30">
 </p>
 <p class="form-group">
<label>确认密码</label>
<input type="password" placeholder="确认登录密码" class="form-item" name="re_password" maxlength="30">
 </p>
 <p class="js-help-info error">
 </p>
  </form>
  <p class="popup-options">
 <button type="button" class="btn btn-block btn-success js-changePwd">确认</button>
  </p>
  <p class="go-login">立即登录</p>
   </p>
    </p>
</p>

js处理 
<script type="text/javascript">
var tel = '';
$(function() {
    var check = {
   checkPwd: function(password) {
  if (typeof password == 'undefined' || password == '') {
 return false;
  }
  return true;
   },
   checkSmscode: function(code) {
  if (typeof code == 'undefined' || code == '') {
 return false;
  }
  return true;
   },
   validTel: function(value) {
  return /^((\+86)|(86))?(1)\d{10}$/.test('' + value);
   }
    }


    //登录
    $(".js-login").click(function() {
   var tel = $("#login").find("input[name='tel']").val();
   if (!check.validTel(tel)) {
  $('.js-help-info').html('请输入正确的手机号'); //**提示下个页面还有
  return false;
   }
   var password = $("#login").find("input[name='password']").val();
   if (!check.checkPwd(password)) {
  $('.js-help-info').html('请输入密码');
  return false;
   }

   $('.js-login').attr("disabled", "disabled");

   $.ajax({
  url: "{sh::U('Home/userLogin')}",
  type: 'POST',
  dataType: "json",
  data: {
 tel: tel,
 password: password
  },
  success: function(response) {
 if (response.result) {
location.href = response.href;
 } else {
setTimeout(function() {
    $('.js-login').removeAttr("disabled");
}, 500);
$('.js-help-info').html(response.error);
 }
  },
  error: function() {
 $('.js-help-info').html("请求失败");
  }
   });
    });

    //注册
    $(".js-register").click(function() {
   var tel = $("#register").find("input[name='tel']").val();
   if (!check.validTel(tel)) {
  $('.js-help-info').html('请输入正确的手机号'); //**提示下个页面还有
  return false;
   }

   var password = $("#register input[name='password']").val();
   var smscode = $("#register input[name='smscode']").val();
   var re_password = $("#register input[name='re_password']").val();

   if (!check.checkSmscode(smscode)) {
  $('.js-help-info').html('请输入验证码');
  return false;
   }

   if (!check.checkPwd(password)) {
  $('.js-help-info').html('请输入登录密码');
  return false;
   }

   if (!check.checkPwd(re_password)) {
  $('.js-help-info').html('请输入确认密码');
  return false;
   } else if (password != re_password) {
  $('.js-help-info').html('两次输入的密码不一致');
  return false;
   }
   $('.js-login').attr("disabled", "disabled");

   $.ajax({
  url: "{sh::U('Home/userRegister')}",
  type: 'POST',
  dataType: "json",
  data: {
 tel: tel,
 password: password,
 smscode: smscode
  },
  success: function(response) {
 if (response.result) {
location.href = response.href;
 } else {
setTimeout(function() {
    $('.js-login').removeAttr("disabled");
}, 500);
$('.js-help-info').html(response.error);
 }
  },
  error: function() {
 $('.js-help-info').html("请求失败");
  }
   });
    });

    //发送验证码
    $('.js-sms-code').click(function() {
    	var tel = $('#register #tel_num').val();
    	if (!check.validTel(tel)) {
  $('.js-help-info').html('请输入正确的手机号'); //**提示下个页面还有
  return false;
   }
   // 检测是否已经注册
   $.ajax({
  url: "{sh::U('Home/checkTel')}",
  type: 'POST',
  dataType: "json",
  async: false,
  data: {
 tel: tel
  },
  success: function(json) {
  	checkRes = json.status;
  },
  error: function(json) {
 $('.js-help-info').html("发送失败");
  }
   });

   if (checkRes == 1) {
   	$('.js-help-info').html("已是注册用户");return false;
   }

   if (checkRes == 3) {
   	$('.js-help-info').html("错误的请求");return false;
   }
 
   $(this).attr("disabled", "disabled").html("<span style='color:#666'><span id='countdown'>60</span>s 后再试</span>");
   countdown();
   $.ajax({
  url: "{sh::U('Home/sendSmscode')}",
  type: 'POST',
  dataType: "json",
  data: {
 tel: tel
  },
  success: function() {},
  error: function() {
 $('.js-help-info').html("发送失败");
  }
   });
    });

    //修改密码
    $('.go-forget').click(function() {
   var tel = $('#login #tel_num').val();
   $("#login").hide();
   $("#register").hide();
   $("#changePwd").show();
   $("#changePwd #tel_num").val(tel).focus();
   $('.js-help-info').html('');
    });

    //免费注册
    $('.go-register').click(function() {
   var tel = $('#login #tel_num').val();
   $("#login").hide();
   $("#changePwd").hide();
   $("#register").show();
   $("#register #tel_num").val(tel).focus();
   $('.js-help-info').html('');
    });

    //立即登录
    $('#changePwd .go-login').click(function() {
    	var tel = $('#changePwd #tel_num').val();
   $("#register").hide();
   $("#changePwd").hide();
   $("#login").show();
   $("#login #tel_num").val(tel).focus();
   $('.js-help-info').html('');
    });

    //立即登录
    $('#register .go-login').click(function() {
    	var tel = $('#register #tel_num').val();
   $("#register").hide();
   $("#changePwd").hide();
   $("#login").show();
   $("#login #tel_num").val(tel).focus();
   $('.js-help-info').html('');
    });

    $('.js-changePwd').click(function() {
   var tel = $("#changePwd").find("input[name='tel']").val();
   if (!check.validTel(tel)) {
  $('.js-help-info').html('请输入正确的手机号'); //**提示下个页面还有
  return false;
   }
   var password = $("#changePwd input[name='password']").val();
   var smscode = $("#changePwd input[name='smscode']").val();
   var re_password = $("#changePwd input[name='re_password']").val();
   if (!check.checkSmscode(smscode)) {
  $('#changePwd .js-help-info').html('请输入验证码');
  return false;
   }
   if (!check.checkPwd(password)) {
  $('#changePwd .js-help-info').html('请输入新密码');
  return false;
   }
   if (!check.checkPwd(re_password)) {
  $('#changePwd .js-help-info').html('请输入确认密码');
  return false;
   } else if (password != re_password) {
  $('#changePwd .js-help-info').html('两次输入的密码不一致');
  return false;
   }

   $.ajax({
  url: "{sh::U('Home/changePwd')}",
  type: "POST",
  dataType: "json",
  data: {
 tel: tel,
 password: password,
 smscode: smscode
  },
  success: function(response) {
 if (response.result) {
location.href = response.href;
 } else {
setTimeout(function() {
    $('.js-login').removeAttr("disabled");
}, 500);
$('.js-help-info').html(response.error);
 }
  },
  error: function() {
 $('.js-help-info').html("请求失败");
  }

   });
    });

    //发送短信修改密码
    $('.js-sms-excode').click(function() {
    	var tel = $('#changePwd #tel_num').val();
    	if (!check.validTel(tel)) {
  $('.js-help-info').html('请输入正确的手机号'); //**提示下个页面还有
  return false;
   }

   // 检测是否已经注册
   $.ajax({
  url: "{sh::U('Home/checkTel')}",
  type: 'POST',
  dataType: "json",
  async: false,
  data: {
 tel: tel
  },
  success: function(json) {
  	checkRes = json.status;
  },
  error: function(json) {
 $('.js-help-info').html("发送失败");
  }
   });

   if (checkRes == 2) {
   	$('.js-help-info').html("号码尚未注册");return false;
   }

   if (checkRes == 3) {
   	$('.js-help-info').html("错误的请求");return false;
   }
 
   
   $(this).attr("disabled", "disabled").html("<span style='color:#666'><span id='countdown'>60</span>s 后再试</span>");
   countdown();
   $.ajax({
  url: "{sh::U('Home/sendSmsexcode')}",
  type: 'POST',
  dataType: "json",
  data: {
 tel: tel
  },
  success: function(data) {},
  error: function() {
 $('.js-help-info').html("请求失败");
  }
   });
    });
});

function countdown() { // 递归  验证码倒计时
    setTimeout(function() {
   var time = $("#countdown").text();
   if (time == 1) {
  $('.js-sms-code').removeAttr("disabled");
  $('.js-sms-code').html("发送验证码");
  $('.js-sms-excode').removeAttr("disabled");
  $('.js-sms-excode').html("发送验证码");
   } else {
  $("#countdown").text(time - 1);
  countdown();
   }
    }, 1000);
}
</script>

php后台处理 
//用户登录
    public function userLogin() {
   if(IS_AJAX && !$this->member) {
  $tel = $this->_post('tel', 'trim');
  $password = $this->_post('password', 'trim,md5');
  $member = M('Member')->where(array('tel' => $tel))->find();
  
  if ($member && $member['password'] === $password) {
 
 //检测是否存在微信用户需要绑定
 if ($member['wxuser_id'] == 0 && $this->wxuser) {
M('Member')->where(array('id' => $member['id']))->save(array('wxuser_id' => $this->wxuser_id));
 }
 
 $href = session(LASTREQUEST);
 session(MEMBER, $member['id']);
 session(LASTREQUEST, null);
 $this->ajaxReturn(array('result' => true, 'href' => $href ? $href : U('Member/index')));
  } else {
 if (empty($member)) {
$this->ajaxReturn(array('result' => false, 'error' => '手机号尚未注册.'));
 } else {
$this->ajaxReturn(array('result' => false, 'error' => '密码不正确.'));
 }
 
  }
   } else {
  $this->ajaxReturn(array('result' => false, 'error' => '非法请求.'));
   }
    }

    // 用户退出
    public function userLogout() {
   session(WXUSER, null);
   session(MEMBER, null);
   $this->success('退出成功',U('Store/Member/index'));
    }
    
    // 用户注册
    public function userRegister() {
   $tel = $this->_post('tel', 'trim');
   $password = $this->_post('password', 'trim,md5');
   $smscode = $this->_post('smscode', 'trim');
   $session_smscode = session($this->smscode);
   $user_exit = M('Member')->where(array('tel' => $tel))->find();
   if (!preg_match("/1[3458]{1}\d{9}$/", $tel) && $user_exit) {
  $this->ajaxReturn(array('result' => false, 'error' => '手机号不合法'));
   }

   $memberModel = M('Member');
   // 检测是否已注册
   $member = $memberModel-> where(array('tel' =>$tel,'status'=>1))->find();
   if (!empty($member)) {
  $this->ajaxReturn(array('result' => false, 'error' => '已是注册用户'));
   }
   
   if (time() > $session_smscode['time']  || $smscode != $session_smscode['code']) {
  $this->ajaxReturn(array('result' => false, 'error' => '验证码不正确'));  //--调试，先把验证功能关闭
   }

   $data = array('tel' => $tel, 'password' => $password, 'wxuser_id' => intval($this->wxuser_id), 'addtime' => time());
   $insert_id = $memberModel->add($data);
   
   if ($insert_id) {
  $href = session(LASTREQUEST);
  session(MEMBER, $insert_id);   //*****只是一个id值
  $this->ajaxReturn(array('result' => true, 'href' => $href ? $href : U('Member/index')));
   } else {
  $this->ajaxReturn(array('result' => false, 'error' => '操作失败', 'msg' => M('Member')->getError()));
   }
    }
    //用户更改密码
    public function changePwd(){
   $tel = $this->_post('tel','trim');
   $password = $this ->_post('password','trim');
   $smscode = $this ->_post('smscode','trim');
   $session_smscode = session($this ->smscode);
   if (time() > $session_smscode['time']  || $smscode != $session_smscode['code']) {
  $this->ajaxReturn(array('result' => false, 'error' => '验证码不正确'));  //--调试成功
   }

   $data = array('password' => md5($password), 'addtime' => time());
   $memberModel = M('Member');
   // 检测是否已注册
   $member = $memberModel-> where(array('tel' =>$tel,'status'=>1))->find();
   if (empty($member)) {
  $this->ajaxReturn(array('result' => false, 'error' => '号码尚未注册'));
   }
   
   if ($memberModel->where(array('tel'=> $tel))->save($data)) {
  $href = session(LASTREQUEST);
  session(MEMBER, $member['id']); 
  $this->ajaxReturn(array('result' => true, 'href' => $href ? $href : U('Member/index')));
   } else {
  $this->ajaxReturn(array('result' => false, 'error' => '操作失败', 'msg' => M('Member')->getError()));
   }
    }

    // ajax检测号码是否注册
    public function checkTel() {
   $tel = $this->_post('tel', 'trim');
   if (IS_AJAX && preg_match("/1[3458]{1}\d{9}$/",$tel)) {
  $memberModel = M('Member');
  $member = $memberModel->where(array('tel'=>$tel,'status'=>1))->find();
  if (!empty($member)) {
 $this->ajaxReturn(array('status' => 1, 'info' => '已注册')); 
  } else {
 $this->ajaxReturn(array('status' => 2, 'info' => '未注册')); 
  }
   } else {
  $this->ajaxReturn(array('status' => 3, 'info' => '错误的请求')); 
   }
    }

    //发送注册验证码
    public function sendSmscode() {
   session($this->smstime, null);
   $smstime = session($this->smstime);
   $tel = $this->_post('tel', 'trim');
   
   if (IS_AJAX && (!$smstime || time() > $smstime) && preg_match("/1[3458]{1}\d{9}$/",$tel)) {
  $smscode = rand(1000, 9999);  
  //发送【阿里大鱼】的验证码
  require LIB_PATH . 'ORG/Taobao-sdk-php/TopSdk.php';
  $c = new TopClient;
  $c->appkey = '23307560'; // 原23294081
  $c->secretKey = '21ef24dd4c51e20693c5db0983c433e7'; // 原0402169f466d8fed780e7f07edd25177
  $req = new AlibabaAliqinFcSmsNumSendRequest;
  $req->setSmsType("normal");
  $req->setSmsFreeSignName("注册验证");
  $req->setSmsParam('{"code":"'. $smscode .'","product":"【多多助店宝】"}');
  $req->setRecNum("{$tel}");
  $req->setSmsTemplateCode("SMS_5056863");
  $resp = $c->execute($req);
   
  if(!$resp->code) {
 //设置发送限制时间
 session($this->smstime, time() + 50);
 //设置验证码5分钟内有效
 session($this->smscode, array('code' => $smscode, 'time' => time() + 600));
  } else {
 //发送失败写入日志文件
 $log = date('Y-m-d H:i:s') . " 发送失败  sub_code：{$resp->sub_code}  sub_msg：{$resp->sub_msg}" . PHP_EOL;
 file_put_contents(RUNTIME_PATH . 'Log/smscode.log', $log, FILE_APPEND);
  }
  
  $this->ajaxReturn(array('result' => !$resp->code));
   } else {
  $this->ajaxReturn(array('result' => false, 'error' => '错误的请求'));
   }
    }

    //发送修改密码验证码
    public function sendSmsexcode(){
   session($this->smstime, null);
   $smstime = session($this->smstime);
   $tel = $this->_post('tel', 'trim');
   if (IS_AJAX && (!$smstime || time() > $smstime) && preg_match("/1[3458]{1}\d{9}$/",$tel)) {
  $smscode = rand(1000, 9999);  
  //发送【阿里大鱼】的验证码
  require LIB_PATH . 'ORG/Taobao-sdk-php/TopSdk.php';
  $c = new TopClient;
  $c->appkey = '23307560'; // 原23294081
  $c->secretKey = '21ef24dd4c51e20693c5db0983c433e7'; // 原0402169f466d8fed780e7f07edd25177
  $req = new AlibabaAliqinFcSmsNumSendRequest;
  $req->setSmsType("normal");
  $req->setSmsFreeSignName("变更验证");   //短信签名固定，不可以换其他字
  $req->setSmsParam('{"code":"'. $smscode .'","product":"【多多助店宝】"}');
  $req->setRecNum("{$tel}");
  $req->setSmsTemplateCode("SMS_5056861");
  $resp = $c->execute($req); 
  if(!$resp->code) {
 //设置发送限制时间
 session($this->smstime, time() + 50);
 //设置验证码5分钟内有效
 session($this->smscode, array('code' => $smscode, 'time' => time() + 600));
  } else {
 //发送失败写入日志文件
 $log = date('Y-m-d H:i:s') . " 发送失败  sub_code：{$resp->sub_code}  sub_msg：{$resp->sub_msg}" . PHP_EOL;
 file_put_contents(RUNTIME_PATH . 'Log/smscode.log', $log, FILE_APPEND);
  }  
  $this->ajaxReturn(array('result' => !$resp->code));
   } else {
  $this->ajaxReturn(array('result' => false, 'error' => '错误的请求'));
   }
    }

小结：

1.注册与修改密码用到了短信验证。
阿里大鱼值得信赖。
2.安全起见，前端ajax验证。后端亦进行验证。
3.流程合理，切换自如。
4.功能全面，登录，注册，密码修改齐全。

以上就是php实现修改密码的方法的详细内容！

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