本文实例讲述了php+redis实现注册、删除、编辑、分页、登录、关注等功能。分享给大家供大家参考，具体如下：
主要界面
连接redis
redis.php
1 <?php 2 //实例化 3 $redis = new Redis(); 4 //连接服务器 5 $a=$redis->connect("localhost",6379); 6 //var_dump($a); 7 //授权 8 $redis->auth("107lab");
注册界面
add.php
1 <form action="reg.php" method="post"> 2 用户名:<input type="text" name="username"><br> 3 密码:<input type="password" name="password"><br> 4 年龄:<input type="text" name="age"><br> 5 <input type="submit" value="注册"> 6 <input type="reset" value="重填"> 7 </form>
注册实现
reg.php
列表页面
list.php
1 <a href="add.php" rel="external nofollow" >注册</a> 2 <?php 3 require("redis.php"); 4 if(!empty($_COOKIE['auth'])){ 5 $id = $redis->get("auth:".$_COOKIE['auth']); 6 $name = $redis->hget("user:".$id,"username"); 7 ?> 8 欢迎您：<?php echo $name;?> <a href="logout.php" rel="external nofollow" >退出</a> 9 <?php } else { ?> 10 <a href="login.php" rel="external nofollow" >登录</a> 11 <?php } ?> 12 <?php 13 require("redis.php"); 14 //用户总数 15 $count = $redis->lsize("uid");//获取链表的长度 16 //echo $count; 17 //页大小 18 $page_size = 3; 19 //当前页码 20 $page_num=(!empty($_GET['page']))?$_GET['page']:1; 21 //页总数 22 $page_count = ceil($count/$page_size); 23 $ids = $redis->lrange("uid",($page_num-1)*$page_size,(($page_num-1)*$page_size+$page_size-1)); 24 //var_dump($ids); 25 foreach($ids as $v){ 26 $data[]=$redis->hgetall("user:".$v); 27 } 28 /* 29 //以下为最初想到的分页处理，放入一个数组中，根据uid的最大值来当总个数，但是删除个别用户以后，uid不会变小，所以建议用链表，因为他有个lsize函数可以求出链表长度 30 //根据userid获取所有用户 31 for($i=1;$i<=($redis->get("userid"));$i++){ 32 $data[]=$redis->hgetall("user:".$i); 33 } 34 //过滤空值 35 $data = array_filter($data); 36 //var_dump($data); 37 */ 38 ?> 39 <table border=1> 40 <tr> 41 <th>uid</th> 42 <th>username</th> 43 <th>age</th> 44 <th>操作</th> 45 </tr> 46 <?php foreach($data as $v){ ?> 47 <tr> 48 <td><?php echo $v['uid']?></td> 49 <td><?php echo $v['username']?></td> 50 <td><?php echo $v['age']?></td> 51 <td> 52 <a href="del.php?id=<?php echo $v['uid'];?>" rel="external nofollow" >删除</a> 53 <a href="mod.php?id=<?php echo $v['uid'];?>" rel="external nofollow" >编辑</a> 54 <?php if(!empty($_COOKIE['auth']) && $id != $v['uid']){ ?> 55 <a href="addfans.php?id=<?php echo $v['uid'];?>&uid=<?php echo $id;?>" rel="external nofollow" >加关注</a> 56 <?php } ?> 57 </td> 58 </tr> 59 <?php } ?> 60 <tr> 61 <td colspan="4"> 62 <?php if(($page_num-1)>=1){ ?> 63 <a href="?page=<?php echo ($page_num-1);?>" rel="external nofollow" >上一页</a> 64 <?php } ?> 65 <?php if(($page_num+1)<=$page_count){ ?> 66 <a href="?page=<?php echo ($page_num+1);?>" rel="external nofollow" >下一页</a> 67 <?php } ?> 68 <a href="?page=1" rel="external nofollow" >首页</a> 69 <a href="?page=<?php echo ($page_count);?>" rel="external nofollow" >尾页</a> 70 当前<?php echo $page_num;?>页 71 总共<?php echo $page_count;?>页 72 总共<?php echo $count;?>个用户 73 </td> 74 </tr> 75 </table> 76 <!--关注功能，建议用集合实现，因为集合元素唯一，并且可以容易求出两个用户粉丝之间交集与差集，进而进行好友推荐功能--> 77 <table border=1> 78 <caption>我关注了谁</caption> 79 <?php 80 $data = $redis->smembers("user:".$id.":following"); 81 foreach($data as $v){ 82 $row = $redis->hgetall("user:".$v); 83 ?> 84 <tr> 85 <td><?php echo $row['uid'];?></td> 86 <td><?php echo $row['username'];?></td> 87 <td><?php echo $row['age'];?></td> 88 </tr> 89 <?php } ?> 90 <table> 91 <table border=1> 92 <caption>我的粉丝</caption> 93 <?php 94 $data = $redis->smembers("user:".$id.":followers"); 95 foreach($data as $v){ 96 $row = $redis->hgetall("user:".$v); 97 ?> 98 <tr> 99 <td><?php echo $row['uid'];?></td> 100 <td><?php echo $row['username'];?></td> 101 <td><?php echo $row['age'];?></td> 102 </tr> 103 <?php } ?> 104 <table>
退出
logout.php
<?php setcookie("auth","",time()-1); header("location:list.php");
登录
login.php
1 <?php 2 require("redis.php"); 3 $username = $_POST['username']; 4 $pass = $_POST['password']; 5 //根据注册时存储的以用户名为键的字符类型中查找用户id 6 $id = $redis->get("username:".$username); 7 if(!empty($id)){ 8 $password = $redis->hget("user:".$id,"password"); 9 if(md5($pass) == $password){ 10 $auth = md5(time().$username.rand()); 11 $redis->set("auth:".$auth,$id); 12 setcookie("auth",$auth,time()+86400); 13 header("location:list.php"); 14 } 15 } 16 ?> 17 <form action="" method="post"> 18 用户名:<input type="text" name="username"/><br> 19 密码:<input type="password" name="password"><br> 20 <input type="submit" value="登录"/> 21 </form>
删除
del.php
<?php require("redis.php"); $uid = $_GET['id']; //echo $uid; $username = $redis->hget("user:".$id,"username"); $a=$redis->del("user:".$uid); $redis->del("username:".$username); $redis->lrem("uid",$uid); //var_dump($a); header("location:list.php");
编辑界面
mod.php
1 <?php 2 require("redis.php"); 3 $uid = $_GET['id']; 4 $data=$redis->hgetall("user:".$uid); 5 ?> 6 <form action="doedit.php" method="post"> 7 <input type="hidden" value="<?php echo $data['uid'];?>" name="uid"> 8 用户名:<input type="text" name="username" value="<?php echo $data['username'];?>"><br> 9 年龄:<input type="text" name="age" value="<?php echo $data['age'];?>"><br> 10 <input type="submit" value="提交"> 11 <input type="reset" value="重填"> 12 </form>
编辑功能
doedit.php
加关注
addfans.php
1 <?php 2 //关注功能，建议用集合实现，因为集合元素唯一，并且可以容易求出两个用户粉丝之间交集与差集，进而进行好友推荐功能 3 $id = $_GET['id']; 4 $uid = $_GET['uid']; 5 require("redis.php"); 6 $redis->sadd("user:".$uid.":following",$id); 7 $redis->sadd("user:".$id.":followers",$uid); 8 header("location:list.php");