目的：通过留言板(todolist)与互粉功能，掌握php操作redis的方法
相关数据操作命令
1，keys * 查看数据库所有的key
2，type + key: 如 type uid 查看数据key的类型
3，批量删除key, 如redis-cli keys "auth:*" | xargs redis-cli del 这行命令在linux终端执行， 删除 auth: 开头的所有key
4。。。。其他基本常用命令， 参照百度或者redis手册
0，连接redis
1 <?php 2 3 $redis = new Redis(); 4 $redis->connect( "127.0.0.1", 6379 ); 5 $redis->auth( "ghostwu" ); 6 7 ?>
1、注册功能( reg.php )
1 <!doctype html> 2 <html> 3 <head> 4 <meta charset="utf-8" /> 5 <title>用户注册页面</title> 6 </head> 7 <body> 8 <h3>用户注册</h3> 9 <form action="do_reg.php" method="post"> 10 <p> 11 用户名: <input type="text" name="user" /> 12 </p> 13 <p> 14 密码：<input type="password" name="pwd" /> 15 </p> 16 <p> 17 年龄: <input type="text" name="age" /> 18 </p> 19 <p> 20 <input type="submit" value="注册" /> 21 <input type="reset" value="重置" /> 22 </p> 23 </form> 24 </body> 25 </html>
2、处理注册( do_reg.php )
1 <?php 2 require "./redis_connect.php"; 3 4 $user = $_POST['user']; 5 $pwd = md5( $_POST['pwd'] ); 6 $age = $_POST['age']; 7 8 $uid = $redis->get( "username:" . $user ); 9 if( empty( $uid ) ) { 10 $uid = $redis->incr( "userid" ); 11 $redis->hMset( "user:" . $uid, array( "uid" => $uid, "user" => $user, "pwd" => $pwd, "age" => $age ) ); 12 $redis->rpush( "uid", $uid ); 13 $redis->set( "username:" . $user, $uid ); 14 header( "Location:./list.php" ); 15 exit(); 16 }else { 17 die( "user already exists " ); 18 } 19 20 ?>
3，登录(login.php)
1 <!doctype html> 2 <html> 3 <head> 4 <meta charset="utf-8" /> 5 <title>用户登录页面</title> 6 </head> 7 <body> 8 <?php 9 require "./redis_connect.php"; 10 if( isset( $_POST['login'] ) || $_POST['login'] == '登录' ) { 11 $user = $_POST['user']; 12 $pwd = $_POST['pwd']; 13 $uid = $redis->get( "username:" . $user ); 14 if( !empty( $uid ) ) { 15 $db_pwd = $redis->hget( "user:" . $uid, "pwd" ); 16 if( md5( $pwd ) == $db_pwd ) { 17 $auth = md5( time() . $user . rand() ); 18 $redis->set( "auth:" . $auth, $uid ); 19 setcookie( "auth", $auth, time() + 86400 ); 20 header( "Location:./list.php" ); 21 }else { 22 echo "<script>alert('用户密码错误');</script>"; 23 } 24 }else { 25 echo "<script>alert('该用户不存在');</script>"; 26 } 27 } 28 ?> 29 <h3>用户登录</h3> 30 <form action="" method="post"> 31 <p> 32 用户名: <input type="text" name="user" /> 33 </p> 34 <p> 35 密码：<input type="password" name="pwd" /> 36 </p> 37 <p> 38 <input type="submit" value="登录" name="login" /> 39 </p> 40 </form> 41 </body> 42 </html>
4，列表页( list.php )
1 <meta charset="utf-8" /> 2 <?php 3 require( "./redis_connect.php" ); 4 ?> 5 <a href="./reg.php">注册</a> 6 <?php 7 if( !empty( $_COOKIE['auth'] ) ) { 8 $login_uid = $redis->get( "auth:" . $_COOKIE['auth'] ); 9 $userName = $redis->hget( "user:" . $login_uid, "user" ); 10 ?> 11 欢迎您:<?php echo $userName; ?> | <a href="./logout.php">退出</a> 12 <?php 13 }else { 14 ?> 15 <a href="./login.php">登录</a> 16 <?php 17 } 18 ?> 19 <?php 20 $total = $redis->lsize( "uid" ); 21 $pageSize = 3; 22 $p = isset( $_GET['p'] ) ? $_GET['p'] : 1; 23 $page = ceil( $total / $pageSize ); 24 $uids = $redis->lrange( "uid", ( $p - 1 ) * $pageSize, ( ( $p - 1 ) * $pageSize + $pageSize - 1 ) ); 25 $userList = array(); 26 foreach( $uids as $uid ) { 27 $userList[] = $redis->hgetall( "user:" . $uid ); 28 } 29 ?> 30 31 <h3>列表数据</h3> 32 <table> 33 <tr> 34 <th>uid</th> 35 <th>用户名</th> 36 <th>年龄</th> 37 <th>操作</th> 38 </tr> 39 <?php 40 foreach( $userList as $user ) { 41 ?> 42 <tr> 43 <td><?php echo $user['uid']; ?></td> 44 <td><?php echo $user['user']; ?></td> 45 <td><?php echo $user['age']; ?></td> 46 <td> 47 <a href="delete.php?uid=<?php echo $user['uid']; ?>">删除</a> 48 <a href="edit.php?uid=<?php echo $user['uid']; ?>">修改</a> 49 <?php 50 if( !empty( $_COOKIE['auth'] ) && ( $login_uid != $user['uid'] ) ) { 51 ?> 52 <a href="./do_fans.php?login_id=<?php echo $login_uid; ?>&uid=<?php echo $user['uid']; ?>">关注</a> 53 <?php 54 } 55 ?> 56 </td> 57 </tr> 58 <?php 59 } 60 ?> 61 <!--分页开始--> 62 <tr> 63 <td colspan="4"> 64 <?php 65 for( $i = 1; $i <= $page; $i++ ) { 66 ?> 67 <a href="?p=<?php echo $i; ?>"><?php echo $i; ?></a> 68 <?php 69 } 70 ?> 71 </td> 72 </tr> 73 </table> 74 75 <h3>我关注了谁</h3> 76 <table> 77 <tr> 78 <th>uid</th> 79 <th>用户名</th> 80 <th>年龄</th> 81 </tr> 82 <?php 83 $myWatchIds = $redis->smembers( "user:" . $login_uid . ":watch" ); 84 foreach( $myWatchIds as $wId ){ 85 $watchList = $redis->hgetall( "user:" . $wId ); 86 ?> 87 <tr> 88 <td><?php echo $watchList['uid']; ?></td> 89 <td><?php echo $watchList['user']; ?></td> 90 <td><?php echo $watchList['age']; ?></td> 91 </tr> 92 <?php 93 } 94 ?> 95 </table> 96 <h3>我的fans</h3> 97 <table> 98 <tr> 99 <th>uid</th> 100 <th>用户名</th> 101 <th>年龄</th> 102 </tr> 103 <?php 104 $myFlowerIds = $redis->smembers( "user:" . $login_uid . ":flowers" ); 105 foreach( $myFlowerIds as $fId ){ 106 $flowerList = $redis->hgetall( "user:" . $fId ); 107 ?> 108 <tr> 109 <td><?php echo $flowerList['uid']; ?></td> 110 <td><?php echo $flowerList['user']; ?></td> 111 <td><?php echo $flowerList['age']; ?></td> 112 </tr> 113 <?php 114 } 115 ?> 116 </table>
5，编辑 （ edit.php）
1 <meta charset="utf-8" /> 2 <?php 3 require "./redis_connect.php"; 4 $uid = intval( $_GET['uid'] ); 5 if( empty( $uid ) ){ 6 header( "Location:./list.php" ); 7 exit(); 8 } 9 $userInfo = $redis->hgetall( "user:" . $uid ); 10 ?> 11 12 <form action="do_edit.php" method="post"> 13 <p> 14 用户名: <input disabled type="text" name="user" value="<?php echo $userInfo['user']; ?>" /> 15 </p> 16 <p> 17 年龄：<input type="text" name="age" value="<?php echo $userInfo['age']; ?>" /> 18 </p> 19 <p> 20 <input type="submit" value="修改" name="edit" /> 21 </p> 22 <input type="hidden" value="<?php echo $userInfo['uid']; ?>" name="uid" /> 23 </form>
6，处理更新( do_edit.php )
1 <?php 2 require( "./redis_connect.php" ); 3 $uid = intval( $_POST['uid'] ); 4 $age = $_POST['age']; 5 6 if( empty( $uid ) ) { 7 header( "Location:./edit.php" ); 8 exit(); 9 } 10 $res = $redis->hmset( "user:". $uid, array( "age" => $age ) ); 11 if( $res ) { 12 header( "Location:./list.php" ); 13 }else { 14 header( "Location:./edit.php" ); 15 } 16 exit(); 17 ?>
7，删除（delete.php）
1 <?php 2 require( "./redis_connect.php" ); 3 $uid = intval( $_GET['uid'] ); 4 if( empty( $uid ) ) { 5 header( "Location:./list.php" ); 6 exit(); 7 } 8 $userName = $redis->get( "user:" . $uid ); 9 $redis->del( "user:" . $uid ); 10 $redis->del( "username:" . $userName ); 11 $redis->lrem( "uid", $uid ); 12 header( "Location:./list.php" ); 13 ?>
8，注销( logout.php )
1 <?php 2 require "./redis_connect.php"; 3 if( isset( $_COOKIE['auth'] ) ){ 4 $redis->del( "auth:" . $_COOKIE['auth'] ); 5 setcookie( "auth", "", time() - 86400 ); 6 header( "Location:./list.php" ); 7 exit(); 8 } 9 ?>
9，互粉( do_fans.php )
1 <?php 2 require "./redis_connect.php"; 3 $login_id = intval( $_GET['login_id'] ); 4 $uid = intval( $_GET['uid'] ); 5 if( empty( $login_id ) || empty( $uid ) ) { 6 header( "Location:./list.php" ); 7 exit(); 8 } 9 //当前用户关注 10 $redis->sadd( "user:" . $login_id . ":watch", $uid ); 11 //被当前用户关注 12 $redis->sadd( "user:" . $uid . ":flowers", $login_id ); 13 header( "Location:./list.php" ); 14 exit(); 15 ?>