用户论坛小案例

主要功能：

可以注册登录

发表说说，按时间分页展示

用户可以上传个人头像

用户可以查看所有的说说，所有人可见

用户可以对说说进行评论和点赞

数据库collection设计

user 集合——存放用户信息

{ _oid:"XXXX","username":"xxx","password":"md5加密","avator":"图片地址","sign":"一句话介绍自己" }
{ _oid:"XXXX","username":"xxx","password":"md5加密","avator":"图片地址","sign":"一句话介绍自己" }
{ _oid:"XXXX","username":"xxx","password":"md5加密","avator":"图片地址","sign":"一句话介绍自己" }

post集合——存放发表的说说

{ _oid:"XXXX" , "title":"标题" , "content":"内容" , "author":"作者" , "date":"日期" , "comment":[

{
    "comment":"评论内容",
    "author":"评论人",
    "date":"评论日期"
},  
{
    "comment":"评论内容",
    "author":"评论人",
    "date":"评论日期"
},  
{
    "comment":"评论内容",
    "author":"评论人",
    "date":"评论日期"
}

] ,
"zan":["点赞的人","点赞的人","点赞的人"]}

comment 集合 { "comment":"评论内容", "author":"评论人", "date":"评论日期" }

cheesecakeeee/talking