php
<code><?php session_start(); include ('conn.php'); $action = $_GET['action']; if ($action == 'login') { //登录 $email = $_POST['email']; $pass = $_POST['password']; if (empty ($email)) { echo '邮箱不能为空'; exit; } if (empty ($pass)) { echo '密码不能为空'; exit; } // $md5pass = md5($password); $query = mysql_query("select * from user where email='$email'"); $us = is_array($row = mysql_fetch_array($query)); $ps = $us ? $pass == $row['password'] : FALSE; if ($ps) { $counts = $row['login_counts'] + 1; $_SESSION['email'] = $row['email']; $_SESSION['login_time'] = $row['login_time']; $_SESSION['login_counts'] = $counts; $ip = get_client_ip(); $logintime = mktime(); $rs = mysql_query("update user set login_time='$logintime',login_ip='$ip',login_counts='$counts'"); if ($rs) { echo '1';exit; $arr['success'] = 1; $arr['msg'] = '登录成功!'; $arr['email'] = $_SESSION['email']; $arr['login_time'] = date('Y-m-d H:i:s',$_SESSION['login_time']); $arr['login_counts'] = $_SESSION['login_counts']; } else { $arr['success'] = 0; $arr['msg'] = '登录失败'; } } else { $arr['success'] = 0; $arr['msg'] = '用户名或密码错误!'; } echo json_encode($arr); } elseif ($action == 'logout') { //退出 unset($_SESSION); session_destroy(); echo '1'; } ``` js ``` // JavaScript Document $(function(){ $("#email").focus(); $("input:text,textarea,input:password").focus(function() { $(this).addClass("cur_select"); }); $("input:text,textarea,input:password").blur(function() { $(this).removeClass("cur_select"); }); $("#btn-login").bind('click',function(){ var email = $("#email").val(); var password = $("#password").val(); if(email==""){ $(".control-group-email").removeClass('has-success').addClass("has-error"); $('<div class="help-block-text">').text("邮箱不能为空!").appendTo($('.control-group-email')); $("#email").focus(); return false; }else{ $(".control-group-email").removeClass("has-error").addClass("has-success") $('.help-block-text').remove(); $("#password").focus(); } if(password==""){ $(".control-group-password").removeClass("has-success").addClass("has-error"); $('<div class="help-block-text"></div>').text("密码不为空!").appendTo($('.control-group-password')); $("#password").focus(); return false; }else{ $(".control-group-password").removeClass("has-error").addClass("has-success") $('.help-block-text').remove(); $("#btn-login").focus(); } $.ajax({ type: "POST", url: "login.php?action=login", dataType: "json", data: {"email":email,"password":password}, beforeSend: function(){ $('<div id="msg"></div>').addClass("loading").html("正在登录...").css("color","#999").appendTo('#btn-login').fadeOut(1000 ); }, success: function(json){ if(json.success==1){ $("#login-form").remove(); var div = "<div id="result"> <p><strong>"+json.email+"</strong>,恭喜您登录成功!</p> <p>您这是第<span>"+json.login_counts+ "</span>次登录本站。</p> <p>上次登录本站的时间是:<span>"+json.login_time+ "</span></p> <p><a href="#" id="logout">【退出】</a></p> </div>"; $("#login").append($('div')); }else{ // $("#msg").remove(); $('<div id="errmsg"></div>').html(json.msg).css("color","#999").appendTo('.help-block').fadeOut(2000); return false; } } }); }); $("#logout").bind('click',function(){ $.post("login.php?action=logout",function(msg){ if(msg==1){ $("#result").remove(); var div = '<div id="login-form"> <div class="control-group-email"> <label class="control-label">邮箱</label> <input type="email" class="form-control" name="email" id="email" placeholder="请输入可用的邮箱地址"> </div> <div class="control-group-password"> <label class="control-label">密码</label> <input type="password" class="form-control" name="password" id="password"> </div> <span id="helpBlock" class="help-block">没有帐号<a href="register.php">点击这里</a></span><button type="button" class="btn btn-default" data-toggle="modal" data-target="#myModal"><span class="fa fa-weibo" aria-hidden="true"></span></button><button type="button" class="btn btn-default" data-toggle="modal" data-target="#myModal"><span class="fa fa-weixin" aria-hidden="true"></span></button><button type="button" class="btn btn-default" data-toggle="modal" data-target="#myModal"><span class="fa fa-qq" aria-hidden="true"></span></button><div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button><button type="submit" class="btn btn-primary" id="btn-login">登录</button> </div> </div>'; $("#login").append(div); } }); }); }); ``` index.php ``` <div id="login"> <?php if(isset($_SESSION['email'])){ ?> <div id="result"> <p><strong><?php echo $_SESSION['email'];?></strong>,恭喜您登录成功!</p> <p>您这是第<span><?php echo $_SESSION['login_counts'];?></span>次登录本站。</p> <p>上次登陆本站的时间是:<span><?php echo date('Y-m-d H:i:s',$_SESSION['login_time']);?> </span></p> <p><a href="#" id="logout">【退出】</a></p> </div> <?php }else{?> <div id="login-form"> <div class="control-group-email"> <label class="control-label">邮箱</label> <input type="email" class="form-control" name="email" id="email" placeholder="请输入可用的邮箱地址"> </div> <div class="control-group-password"> <label class="control-label">密码</label> <input type="password" class="form-control" name="password" id="password"> </div> <span id="helpBlock" class="help-block">没有帐号<a href="register.php">点击这里</a></span> <button type="button" class="btn btn-default" data-toggle="modal" data-target="#myModal"> <span class="fa fa-weibo" aria-hidden="true"></span></button> <button type="button" class="btn btn-default" data-toggle="modal" data-target="#myModal"> <span class="fa fa-weixin" aria-hidden="true"></span></button> <button type="button" class="btn btn-default" data-toggle="modal" data-target="#myModal"> <span class="fa fa-qq" aria-hidden="true"></span></button> <div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button> <button type="submit" class="btn btn-primary" id="btn-login">登录</button> </div> <?php } ?> </div> <h2>回复内容:</h2> <p>php</p> <pre class="brush:php;toolbar:false"><code><?php session_start(); include ('conn.php'); $action = $_GET['action']; if ($action == 'login') { //登录 $email = $_POST['email']; $pass = $_POST['password']; if (empty ($email)) { echo '邮箱不能为空'; exit; } if (empty ($pass)) { echo '密码不能为空'; exit; } // $md5pass = md5($password); $query = mysql_query("select * from user where email='$email'"); $us = is_array($row = mysql_fetch_array($query)); $ps = $us ? $pass == $row['password'] : FALSE; if ($ps) { $counts = $row['login_counts'] + 1; $_SESSION['email'] = $row['email']; $_SESSION['login_time'] = $row['login_time']; $_SESSION['login_counts'] = $counts; $ip = get_client_ip(); $logintime = mktime(); $rs = mysql_query("update user set login_time='$logintime',login_ip='$ip',login_counts='$counts'"); if ($rs) { echo '1';exit; $arr['success'] = 1; $arr['msg'] = '登录成功!'; $arr['email'] = $_SESSION['email']; $arr['login_time'] = date('Y-m-d H:i:s',$_SESSION['login_time']); $arr['login_counts'] = $_SESSION['login_counts']; } else { $arr['success'] = 0; $arr['msg'] = '登录失败'; } } else { $arr['success'] = 0; $arr['msg'] = '用户名或密码错误!'; } echo json_encode($arr); } elseif ($action == 'logout') { //退出 unset($_SESSION); session_destroy(); echo '1'; } ``` js ``` // JavaScript Document $(function(){ $("#email").focus(); $("input:text,textarea,input:password").focus(function() { $(this).addClass("cur_select"); }); $("input:text,textarea,input:password").blur(function() { $(this).removeClass("cur_select"); }); $("#btn-login").bind('click',function(){ var email = $("#email").val(); var password = $("#password").val(); if(email==""){ $(".control-group-email").removeClass('has-success').addClass("has-error"); $('<div class="help-block-text"></code>