redis+php实现微博（二）发布与关注功能详解

本文实例讲述了redis+php实现微博发布与关注功能。分享给大家供大家参考，具体如下：

数据结构：

t post:postid:3:time timestamp
t post:postid:3:urid 5
t post:postid:3:content 测试发布哈哈哈哈

incr global:postid
t post:postid:$postidcho “用户名密码不能够为空!”;

关注微博

following:3

被关注（粉丝）

followed:3

把发布的微博推给自己的粉丝

recivepost:10 postid

微博的发布代码：

include("function.php");include("header.php");$content = i('content');if(!$content){  error('内容不能够为空');}$ur = islogin();if($ur==fal){  header("location:index.php");  exit();}$r = redis_connect();$postid = $r->incr('global:postid');//$r->t("post:postid:".$postid.":time",time());//$r->t("post:postid:".$po曹衣带水stid.":urid",$ur['urid']);//$r->t("post:postid:".$postid.":content",$c高中化学必背基础知识ontent);$r->hmt("post:postid:".$postid,array('urid'=>$ur['urid'],'urname'=>$ur['urname'],'time'=>time(),'content'=>$content));//把微博推给自己的粉丝$fans = $r->smembers("followed:".$ur['urid']);$fans[] = $ur['urid'];foreach($fans as $fansid){  $r->lpush('recivepost:'.$fansid,$postid);}//单独累计个人发布的信息$r->lpush('urpostid:'.$ur['urid'],$postid);header("location:home.php");exit;include("bottom.php");

微博的关注代码：

include("function.php");include("header.php");if(islogin()==fal){  header("location:index.php");  e婴儿脑积水xit;}$ur = islogin();$uid = trim($_get['uid']);$f = trim($_get['f']);$r = redis_connect();if($f==0){  //将关注与被关注的数据结构存入redis  $r->sadd("following:".$ur['urid'],$uid);  $r->sadd("followed:".$uid,$ur['urid']);}el{   //取消关注  $r->srem("following:".$ur['urid'],$uid);  $r->srem("followed:".$uid,$ur['urid']);}//根据传递过来的urid查找urname$uname = $r->get(manager是什么意思"ur:urid:".$uid.":urname")专业分数线;header("location:profile.php?u=".$uname);include("bottom.php");