redis.php(公共文件)
<?php $redis = new Redis(); $redis -> connect('localhost',6379); $redis -> auth('123456');//因为我修改了配置文件的密码是123456
login.php(登录页面)
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <form action="action.php?act=login" method="post"> <table> <caption><h1>用户登录</h1></caption> <tr> <th>name</th> <td><input type="text" name="username"></td> </tr> <tr> <th>pass</th> <td><input type="password" name="pass"></td> </tr> <tr> <td><input type="submit" value="提交"></td> <td><input type="reset" name="重置"></td> </tr> </table> </form> </body> </html>
index.php(首页)
<?php require "redis.php"; //取出用户列表,实现分页显示 //1.计算总的用户数, $count = $redis -> lsize('userid'); //echo $count;die; //2.定义每页显示的记录数 $perpage = 2; //3.计算总的页数 $pagecount = ceil($count/$perpage); //4.定义当前页 $page = isset($_GET['page'])?(max(1,min($pagecount,$_GET['page']))):1; //echo $page; //5.取出当前页的数据,思路,取出链表里面的id,根据id拼接哈希,取出哈希里面的内容。 //$redis -> lrange('userid',0,1); 这样样是第一页的数据 0代表偏移量 算法 ($page-1) * $perpage =2 //$redis -> lrange('userid',2,3); 这样样是第一页的数据 算法 ($page-1) * $perpage =2 //$redis -> lrange('userid',4,5); 这样样是第一页的数据 算法 ($page-1) * $perpage =4 //($page-1)*$perpage-1=1 //($page-1)*$perpage-1=3 //如果每页显示5个 //$redis -> lrange('userid',0,4); ($page -1) *$perpage = 0 5 //$redis -> lrange('userid',5,9); 5+5-1=9 //$redis -> lrange('usesrid',10,14); 10+5-1 $offset = ($page-1)*$perpage; $N=($page-1)*$perpage+$perpage-1; $ids = $redis -> lrange('userid',$offset,$N);//返回的是当前显示数据的id的值,是一个一维数组 //echo "<pre>"; //print_r($ids); //取出当前页面的数据 $data = array(); foreach($ids as $v){ $data[] = $redis -> hgetall('user:id:'.$v);//返回的是一行数据,也就是一个一维数组 } //var_dump($ids);die; session_start(); //关注程序的开始 $mid = $_SESSION['user_id']; //取出登录用户的id $ids = $redis ->smembers('myguan:'.$mid); //返回的是一维数组 $guan =array(); foreach($ids as $v){ $guan[] = $redis -> hgetall('user:id:'.$v);//返回是一行数据,也就是一个一维数组 } //关注程序结束 ?> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <a href="edit.php?id=<?php echo $_SESSION['user_id']; ?>">尊敬的:<?php echo $_SESSION['username']; ?>欢迎您的归来!</a> <a href="action.php?act=sunll">退出</a><br /> <table width="500" border='1'> <caption><h1>用户列表</h1></caption> <tr> <th>id</th> <th>name</th> <th>age</th> <th>操作</th> </tr> <?php foreach($data as $v){ ?> <tr> <td><?php echo $v['id']; ?></td> <td><?php echo $v['username']; ?></td> <td><?php echo $v['age']; ?></td> <td align="center"><a href="edit.php?id=<?php echo $v['id']; ?>">编辑</a>/ <a href="action.php?act=del&id=<?php echo $v['id']; ?>">删除</a>/ <a href="action.php?act=guan&id=<?php echo $v['id']; ?>">添加关注</a> </td> </tr> <?php } ?> <tr align="right"> <td colspan="4"> <a href="?page=<?php echo max(1,$page-1); ?>">上一页</a><a href="?page=<?php echo min($page+1,$pagecount); ?>">下一页</a> </td> </tr> </table> <hr /> <b>我关注的人</b> <?php foreach($guan as $v){ echo $v['username'].'-----还有-----'; }?> </body> </html>
reg.php(注册页面)
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title></title> </head> <body> <form action="action.php?act=reg" method="post"> <table> <caption><h1>用户注册</h1></caption> <tr> <th>name</th> <td><input type="text" name="username"></td> </tr> <tr> <th>pass</th> <td><input type="password" name="pass"></td> </tr> <tr> <th>age</th> <td><input type="text" name="age"></td> </tr> <tr> <td align="rigth"><input type="submit" value="注册" /></td> <td align="center"><input type="reset" value="重置"></td> </tr> </table> </form> </body> </html>
edit.php(编辑页面)
<?php require "redis.php"; $ids = $_GET['id']; $data = array(); $data[] = $redis -> hgetall('user:id:'.$ids); ?> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <form action="action.php?act=edit" method="post"> <table width="500" border='1' > <caption><h1>修改中心</h1></caption> <tr> <th>name</th> <th>age</th> <th>pass</th> </tr> <?php foreach($data as $data ){ ?> <tr> <td><input type="text" name="username" disabled value="<?php echo $data['username']; ?>"></td> <td><input type="text" name="age" value="<?php echo $data['age']; ?>"></td> <td><input type="password" name="pass" value="<?php echo $data['password']; ?>"></td> <input type="hidden" name="id" value="<?php echo $ids; ?>"> </tr> <?php } ?> </foreach> <tr align="center"> <td colspan="3"><input type="submit" value="修改"> <input type="reset" value="重置"></td> </tr> </table> </form> </body> </html>