emmm.一个简单的PHP登录与注册
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emmm...

这个学期有一门php的课程。感觉思想和java差不多...

既然是和java差不多,理论上也做一个登录与注册的程序看下...

按照自己的思路完成了这个简陋的PHP登录注册程序...

不可否认,BUG也挺多的..走的弯路也挺多但过程也是挺美好的。

使用了easyui框架和bootstrap
登录后台有简单权限管理

最后还是java好玩！

源码下载:https://github.com/jiomer/regist

效果图：

 

以下是代码

数据库表:

数据库表
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DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
  `uid` int(8) unsigned NOT NULL AUTO_INCREMENT,
  `username` varchar(30) NOT NULL,
  `password` varchar(40) NOT NULL,
  `email` varchar(30) NOT NULL,
  `isadmin` enum('1','0') NOT NULL DEFAULT '0',
  `reg_date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`uid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

conn.php

conn.php
PHP
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<?php
    //连接数据库
    $conn = mysqli_connect('localhost','easy','root','easy');
    
    if($conn){
       // echo "连接成功！";
    }else {
       exit("mysqli_connect 失败!!".mysqli_connect_errno());
    }
?>

img.php 验证码

img.php
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<?php
session_start();
//生成四位随机数
$pattern = '123456789ABCDEFGHIJKLOMNPQRSTUVWXYZ';
for($i = 0; $i < 4; $i++)
{
        $code .= $pattern{mt_rand(0, 35)};
}
$_SESSION['image'] = $code;//将随机数保存到session
$im = imagecreatetruecolor(60,30);//创建一张宽60高30像素的图片
$bg = imagecolorallocate($im,222,222,222);//设置图片的背景颜色
imagefill($im,0,0,$bg);//载入背景颜色
$ft = imagecolorallocate($im,23,122,234);//设置字体颜色
$xian = imagecolorallocate($im,83,186,103);//线条的颜色
$dian = imagecolorallocate($im,205,229,92);//噪点的颜色
//imagefill($im,0,0,$dian);
imageline($im,10,5,50,rand(0,20),$xian);//绘制一根线条
for($i = 0;$i < 100;$i++)//使用for循环来绘制多个噪点
{
imagesetpixel($im,rand(10,50),rand(5,40),$dian);
}
imagestring($im,6,10,0,$code,$ft);
//输出图片
header("Content-type:image/jpeg");
ob_clean();
imagejpeg($im);
?>

index.php

index.php
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<?php
    //开启session
    session_start();
    header("Content-Type: text/html; charset=utf-8");
    //判断cookie是否含有username
    if(isset($_COOKIE['username'])){
        $_SESSION['username'] = $_COOKIE['username'];
    }
    //判断session是否含有islogin
    if( isset($_SESSION['islogin']) ){
        $admin = $_SESSION['admin'];
        $username = $_SESSION['username'];
        $userid = $_SESSION['userid'];
?>
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Demo</title>
    <!-- easyui库导入开始 -->
    <link rel="stylesheet" type="text/css" href="easyui/themes/default/easyui.css">
    <link rel="stylesheet" type="text/css" href="easyui/themes/icon.css">
    <link rel="stylesheet" type="text/css" href="easyui/demo/demo.css">
    <link type="image/vnd.microsoft.icon" href="./img/favicon.png" rel="shortcut icon">
    <script type="text/javascript" src="easyui/jquery.min.js"></script>
    <script type="text/javascript" src="easyui/jquery.easyui.min.js"></script>
    <!-- easyui库导入结束 -->
    <link rel="stylesheet" type="text/css" href="css/myicon.css">
    <style>
        .logo {
            width: 180px;
            height: 25px;
            line-height: 70px;
            text-align: center;
            font-weight: bold;
            font-size: 20px;
            float: left;
        }
        .logo a{
            text-decoration: none;
            color: #fff;
        }
        .logout{
            float: right;
            margin-top: 30px;
            margin-right: 10px;
        }
    </style>
</head>
<body class="easyui-layout">
        <!--   头部     -->
        <div data-options="region:'north'" style="height:70px;padding-left:10px;background: #000;">
            <div class="logo"><a href="#">后台管理</a></div>
            <!--<div class="logout">你好，admin | <a href="#">退出</a></div>-->
            <div class="logout" style="padding:5px 0;">
                <?php
                    if($admin){
                ?>
         <a href="#" class="easyui-linkbutton" data-options="iconCls:'icon-myuser'">用户管理</a>
         <a href="#" class="easyui-linkbutton" data-options="iconCls:'icon-mymenu'">菜单管理</a>
         <a href="#" class="easyui-linkbutton" data-options="iconCls:'icon-myman'">角色管理</a>
         <?php } ?>
         <a href="#" class="easyui-linkbutton" data-options="iconCls:'icon-myedit'">信息发布</a>
         <a href="loginout.php" class="easyui-linkbutton" data-options="iconCls:'icon-loginout'">登出</a>
       </div>
        </div>
<!--        底部-->
        <div data-options="region:'south',split:false" style="height:60px;">
            <p style="height:20px;line-height:30px; text-align:center">
                Theme by<a href="#" title="test"> Guoliangjun</a> Design.
 
            </p>
        </div>
<!--        左边-->
        <div data-options="region:'west',split:false" title="菜单导航" style="width:200px;padding:10px;">
            <div class="easyui-panel" style="padding:6px;width: 178px;">
                <ul class="easyui-tree">
            <li>
                <span>系统菜单</span>
                <ul>
                    <?php
                        if($admin){
                    ?>
                    <li data-options="state:'closed'">
                        <span>权限管理</span>
                        <ul>
                            <li>
                                <span>用户管理</span>
                            </li>
                            <li>
                                <span>菜单管理</span>
                            </li>
                            <li>
                                <span>角色管理</span>
                            </li>
                        </ul>
                    </li>
                    <?php
                         }
                        ?>
                    <li data-options="state:'closed'">
                        <span>新闻公告</span>
                        <ul>
                            <li>企业新闻</li>
                        </ul>
                    </li>
                    <li data-options="state:'closed'">
                        <span>信息发布</span>
                        <ul>
                            <li>信息发布</li>
                        </ul>
                    </li>
                    <li>个人信息</li>
                </ul>
            </li>
        </ul>
            </div>
    <!--        <input class="easyui-tagbox" value="搜索"  style="width:100%" data-options="-->
    <!--        buttonText: '<?php echo "搜索";?>',-->
    <!--    onClickButton: function(){-->
    <!--      alert('click button');-->
    <!--    }-->
    <!--">-->
            <input class="easyui-searchbox" data-options="prompt:'<?php echo "搜索";?>',searcher:doSearch" style="width:178px"></input>
        <script>
         function doSearch(value){
         alert('You input: ' + value);
         }
         </script>
    
        </div>
<!--        右边-->
        <div data-options="region:'center'">
            <div class="easyui-tabs" style="width:100%;">
                <div title="Title1" style="padding:10px">
                    
                    <?php
                                echo "<h1>".$username.",欢迎登录Demo后台!</h1>";
                                echo '用户ID：'.$userid.'<br />';
                                echo "是否为管理员:".$admin."<br />";
                    ?>
                    
                    当前时间：<?php echo date("Y-m-d H:i");?>
                    
                </div>
                <div title="Title2" id="Title2" style="padding:10px">
                    <?php
                        echo "Title2";
                        include('selectuser.php');
                    ?>
                      
                    
                </div>
                <div title="Title3" style="padding:10px">
                    <?php
                        echo "Title3";
                    ?>
                </div>
                
            </div>
        </div>
</body>
</html>
 
<?php
}else{
        echo "<h1>非法登录!</h1>点击此处<a href=\"login.html\">登录</a>";
       // header('refresh:10;url=login.html');
    }
?>

login.php

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<?php
    //设置编码格式
    header("Content-Type: text/html; charset=utf-8");
    //开启session
    session_start();
    //REQUEST_METHOD是否为post
   if($_SERVER['REQUEST_METHOD']=='POST'){
      if(!isset($_POST['login'])){
        //exit('<h1>非法登录!</h1>");
        echo "<h1>login.php非法登录!</h1>";
       // header('refresh:2;url=login.html');  
    }
        $image = strtoupper($_POST['image']);//取得用户输入的图片验证码并转换为大写
        $image2 = $_SESSION['image'];//取得图片验证码中的四个随机数
        if($image == $image2){
            //获取username和password
            $username = htmlspecialchars(trim($_POST['username']));
            $password = md5(trim($_POST['password']));
            
            //链接数据库
            include('conn.php');
            $check_query = mysqli_query($conn,"select uid,isadmin from user where username ='$username' and password='$password' limit 1");
            
            if($result = mysqli_fetch_array($check_query)){
                $_SESSION['username'] = $username;
                $_SESSION['userid'] = $result['uid'];
                //管理员权限
                $_SESSION['admin']=  $result['isadmin'];
                //验证成功，将username存到session
                $_SESSION['islogin'] = 1;
                if($_POST['remenber']=="ture"){
                    setcookie("username",$username,time()+60*60*24);
                   // setcookie("code",md5($username.md5($password)),time()+60*60*24);
                }else{
                    setcookie("username",'',time()-1);
                    //setcookie("code",'',time()-1);
                }
                header("location:index.php");
            }else{
                echo("用户名或密码错误，请重新登录！<a href=\"javascript:history.back(-1);\">返回</a>");
               // header('refresh :0;url=404.html');
            }
        }else{
             echo "<script>
                     alert('验证码错误！');
                     javascript:history.back(-1);
                 </script>";
        }
   }else{
       echo "<h1>post非法登录!</h1><a href=\"javascript:history.back(-1);\">返回</a>";
   }
?>

loginout.php

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<?php
    //设置编码格式
    header("Content-Type: text/html; charset=utf-8");
    //开启session
    session_start();
    //判断session是否含有username
    if(isset($_SESSION['username'])){
        //清除session
        $username = $_SESSION['username'];
        // unset($_SESSION['userid']);
        // unset($_SESSION['username']);
        // unset($_SESSION['islogin']);
        // unset($_SESSION['isadmin']);
        $_SESSION = array();
        session_destroy();
        //清除cookie
        setcookie("username",'',time()-1);
        echo "<h1>".$username."注销成功！</h1>点击此处 <a href=\"login.html\">登录</a>";
        exit();
    }
    
?>

reg.php

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<?php
    session_start();
    header("Content-Type: text/html; charset=utf-8");
    if(!isset($_POST['submit'])){
        exit("<h1>非法登录!</h1>");
    }
    $username = $_POST['username'];
    $password = $_POST['password'];
    $email = $_POST['email'];
    $regimage = strtoupper($_POST['regimage']);//取得用户输入的图片验证码并转换为大写
    $regimage2 = $_SESSION['image'];//取得图片验证码中的四个随机数
    include('conn.php');
    $check_query = mysqli_query($conn,"select uid from user where username ='$username' limit 1");
    if($regimage == $regimage2){
        if(mysqli_fetch_array($check_query)){
            echo '错误：用户名 '.$username.' 已存在。<a href="javascript:history.back(-1);">返回</a>';
            exit;
        }
        //写入
        $password = md5($password);
        $sql = "insert into user (username,password,email) values ('$username','$password','$email');";
        if(mysqli_query($conn,$sql)){
            exit("用户注册成功，点击此处 <a href=\"login.html\">登录</a>");
        }else {
          //  echo '抱歉！添加数据失败：'.mysqli_error().'<br />';
            echo '点击此处 <a href="javascript:history.back(-1);">返回</a> 重试';
        }
    }else
{
echo "<script>
        alert('注册验证码错误！');
        javascript:history.back(-1);
      </script>";
}
?>

selectuser.php

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<?php
    //导入数据库
    include('conn.php');
    //查询
    $sql='select uid,username,email,reg_date from user';
    $result=mysqli_query($conn, $sql);
    if(mysqli_num_rows($result)>0) {
        
       echo ' <table border="1px" cellspacing="0" cellpadding="0" width=300>';
       echo ' <tr><th>uid</th><th>姓名</th><th>email</th><th>regTime</th></tr>';
       while($row=mysqli_fetch_assoc($result)) {
        echo "<tr><th>".$row['uid']."</th><th>".$row['username']."</th><th>".$row['email']."</th><th>".$row['reg_date']."</th></tr>";
        }
       echo ' </table>';
      
    }
?>

register.html

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<!DOCTYPE html>
<head>
<title>Rigister One</title>
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link type="image/vnd.microsoft.icon" href="./img/favicon.png" rel="shortcut icon">
<link href="css/bootstrap/font-awesome.min.css" rel="stylesheet" type="text/css">
<link href="css/bootstrap/bootstrap.min.css" rel="stylesheet" type="text/css">
<link href="css/bootstrap/bootstrap-theme.min.css" rel="stylesheet" type="text/css">
<link href="css/bootstrap/templatemo_style.css" rel="stylesheet" type="text/css">
<script language = "javascript">
function checkform()//使用JS来验证用户输入是否符合规范
{
     if(myform.username.value == "")//昵称不能为空
     {
     alert("昵称不能为空！");
     myform.username.focus();
     return false;
     }
     if(!myform.username.value.replace(/[^\a-\z\A-\Z]/g,''))//使用正则表达式来判断昵称
     {
     alert("昵称不符合规范！");
     myform.username.focus();
     return false;
     }
     if(myform.username.value.length < 4 || myform.username.value.length > 8)//当用户输入的昵称小于4或者大于8时
     {
     alert("昵称不符合规范！");
     myform.username.focus();
     return false;
     }
     if(myform.email.value == "")//邮箱不能为空
     {
     alert("邮箱必须填写！");
     myform.email.focus();
     return false;
     }
     if(myform.email.value.length < 12)//邮箱不能少于12个字符，否则不符合规范
     {
     alert("邮箱不符合规范！");
     myform.email.focus();
     return false;
     }
     if(myform.password.value == "")//密码不能为空
     {
     alert("密码不能为空！");
     myform.password.focus();
     return false;
     }
     if(myform.password2.value == "")//密码不能为空
     {
     alert("密码不能为空！");
     myform.password2.focus();
     return false;
     }
     if(!myform.password2.value.replace(/[^\a-\z\A-\Z]/g,''))//使用正则表达式来判断密码
     {
     alert("密码不符合规范！");
     myform.password2.focus();
     return false;
     }
     if(myform.password2.value.length < 6)//如果密码小于6位
     {
     alert("密码不能少于6位！");
     myform.password2.focus();
     return false;
     }
     if(myform.password.value != myform.password2.value)//判断两次输入的密码是否一致
     {
     alert("两次输入的密码不一致！");
     myform.password2.focus();
     return false;
     }if(myform.regimage.value == "")//昵称不能为空
     {
     alert("验证码不能为空！");
     myform.regimage.focus();
     return false;
     }
     }
    </script>
</head>
<body class="templatemo-bg-gray">
<div class="container">
<div class="col-md-12">
<h1 class="margin-bottom-15">注册系统</h1>
<form class="form-horizontal templatemo-container templatemo-login-form-1 margin-bottom-30" role="form" name="myform" action="reg.php" onsubmit = "return checkform();" method="post">
        <div class="form-group">
          <div class="col-xs-12">             
            <div class="control-wrapper">
             <label for="username" class="control-label fa-label"><i class="fa fa-user fa-medium"></i></label>
             <input type="text" class="form-control" id="username" name="username" placeholder="用户名">
            </div>                          
          </div>              
        </div>
        <div class="form-group">
          <div class="col-md-12">
           <div class="control-wrapper">
             <label for="password" class="control-label fa-label"><i class="fa fa-lock fa-medium"></i></label>
             <input type="password" class="form-control" id="password" name="password" placeholder="密码">
            </div>
          </div>
        </div>
        <div class="form-group">
          <div class="col-md-12">
           <div class="control-wrapper">
             <label for="password2" class="control-label fa-label"><i class="fa fa-lock fa-medium"></i></label>
             <input type="password" class="form-control" id="password2" name="password2" placeholder="再次输入密码">
            </div>
          </div>
        </div>
        <div class="form-group">
          <div class="col-md-12">
           <div class="control-wrapper">
             <label for="email" class="control-label fa-label"><i class="fa glyphicon-envelope fa-medium"></i></label>
             <input type="email" class="form-control" id="email" name="email" placeholder="邮箱">
            </div>
          </div>
        </div>
        <div class="form-group">
          <div class="col-md-6">
           <div class="control-wrapper">
             <label for="regimage" class=" control-label fa-label"><i class="fa glyphicon-asterisk fa-medium"></i></label>
             <input type="text" class="form-control" id="regimage" name="regimage" placeholder="验证码"><img src = 'img.php' />
            </div>
          </div>
        </div>
        <div class="form-group">
          <div class="col-md-5">
           <div class="control-wrapper">
           <input type="submit" name="submit" value="注册" class="btn btn-info">
           </div>
          </div>
        </div>
        <hr>
      </form>
      <div class="text-center">
</div>
</div>
</body>
</html>

login.html

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<!DOCTYPE html>
<head>
<title>Login One</title>
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link type="image/vnd.microsoft.icon" href="./img/favicon.png" rel="shortcut icon">
<link href="css/bootstrap/font-awesome.min.css" rel="stylesheet" type="text/css">
<link href="css/bootstrap/bootstrap.min.css" rel="stylesheet" type="text/css">
<link href="css/bootstrap/bootstrap-theme.min.css" rel="stylesheet" type="text/css">
<link href="css/bootstrap/templatemo_style.css" rel="stylesheet" type="text/css">
</head>
<body class="templatemo-bg-gray">
<div class="container">
<div class="col-md-12">
<h1 class="margin-bottom-15">登录系统</h1>
<form class="form-horizontal templatemo-container templatemo-login-form-1 margin-bottom-30" role="form" action="login.php" method="post">
        <div class="form-group">
          <div class="col-xs-12">             
            <div class="control-wrapper">
             <label for="username" class="control-label fa-label"><i class="fa fa-user fa-medium"></i></label>
             <input type="text" class="form-control" id="username" name="username" placeholder="用户名">
            </div>                          
          </div>              
        </div>
        <div class="form-group">
          <div class="col-md-12">
           <div class="control-wrapper">
             <label for="password" class="control-label fa-label"><i class="fa fa-lock fa-medium"></i></label>
             <input type="password" class="form-control" id="password" name="password" placeholder="密码">
            </div>
          </div>
        </div>
        <div class="form-group">
          <div class="col-md-6">
           <div class="control-wrapper">
             <label for="image" class=" control-label fa-label"><i class="fa glyphicon-asterisk fa-medium"></i></label>
             <input type="text" class="form-control" id="image" name="image" placeholder="验证码"><img src = 'img.php' />
            </div>
          </div>
        </div>
        
        <div class="form-group">
          <div class="col-md-12">
             <div class="checkbox control-wrapper">
                 <label>
                   <input type="checkbox" name="remenber" value="ture"> 记住我
                 </label>
               </div>
          </div>
        </div>
        <div class="form-group">
          <div class="col-md-12">
           <div class="control-wrapper">
           <input type="submit" name="login" value="登录" class="btn btn-info">
           <a href="#" class="text-right pull-right">管理员测试账号密码：admin；用户：test</a>
           </div>
          </div>
        </div>
        <hr>
 
      </form>
      <div class="text-center">
</div>
</div>
</body>
</html>

 

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这篇文章有4条评论

  1. 灰狼
    NO:2604 / 發布於 - 2017-9-20 #1 回复

    连个验证码都没和输入框在同一行，差评

  2. 关关
    NO:2607 / 發布於 - 2017-9-21 #2 回复

    大神……！

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