php
<code><?phpsession_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"); $('<div class="help-block-text"></div>').text("邮箱不能为空！").appendTo($('.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" />').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>【退出】</p></div>"; $("#login").append($('div')); }else{ // $("#msg").remove(); $('<div id="errmsg" />').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> </div><div class="control-group-password"><label class="control-label">密码</label> </div><span id="helpBlock" class="help-block">没有帐号点击这里</span><button type="button" class="btn btn-default"><span class="fa fa-weibo"></span></button><button type="button" class="btn btn-default"><span class="fa fa-weixin"></span></button><button type="button" class="btn btn-default"><span class="fa fa-qq"></span></button><div class="modal-footer"><button type="button" class="btn btn-default">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>【退出】</p> </div> <?php }else{?> <div id="login-form"> <div class="control-group-email"> <label class="control-label">邮箱</label> </div> <div class="control-group-password"> <label class="control-label">密码</label> </div> <span id="helpBlock" class="help-block">没有帐号点击这里</span> <button type="button" class="btn btn-default"> <span class="fa fa-weibo"></span></button> <button type="button" class="btn btn-default"> <span class="fa fa-weixin"></span></button> <button type="button" class="btn btn-default"> <span class="fa fa-qq"></span></button> <div class="modal-footer"> <button type="button" class="btn btn-default">关闭</button> <button type="submit" class="btn btn-primary" id="btn-login">登录</button> </div> <?php } ?> </div></code>
回复内容：
php
<code><?phpsession_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; $ip = get_client_ip(<i>1本文来#源gaodai$ma#com搞$代*码*网</i><pre>搞代gaodaima码
); $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”); $(‘
‘).text(“邮箱不能为空！”).appendTo($(‘.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”); $(‘
‘).text(“密码不为空！”).appendTo($(‘.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(){ $(‘
‘).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 = ““+json.email+”，恭喜您登录成功！
您这是第“+json.login_counts+ “次登录本站。
上次登录本站的时间是：“+json.login_time+ “
【退出】
“; $(“#login”).append($(‘div’)); }else{ // $(“#msg”).remove(); $(‘
‘).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 = ‘没有帐号点击这里
‘; $(“#login”).append(div); } }); });});“`index.php“`
<?php echo $_SESSION[’email’];?>，恭喜您登录成功！
您这是第<?php echo $_SESSION[‘login_counts’];?>次登录本站。
上次登陆本站的时间是：<?php echo date(‘Y-m-d H:i:s’,$_SESSION[‘login_time’]);?>
【退出】
<?php }else{?>
没有帐号点击这里
<?php } ?>
代码太破了，数据库连接，逻辑，html，js全面写在一起了。
转载请注明原文链接：ajax session 登陆要刷新才能出数据
