Question

就是想实现类似新浪微博里面“收藏”的效果，即点击收藏后，文字变成取消收藏，并且链接也会改变

就是想试下类似新浪微博里面“收藏”的效果，即点击收藏后，文字变成取消收藏，并且链接也会改变，点击取消收藏又会变回收藏。
希望高手帮忙写下js。。因为我很菜。。。在网上找了很久也没找到。。

Answer 1

点击->ajax请求，执行收藏方法 写入数据库 ->回调函数JS ->执行文字改变，链接改变
点击->ajax请求，执行取消收藏方法 删除数据库 ->回调函数JS ->执行文字改变，链接改变

Answer 2

Question: Please design a simple security model based on RBAC for resource Protected.TXT, this model should include two roles (admin and guest) and for users (A,B,C,D); Users in first role should only have the read permission for this resource and users in second role second role should have both the read and write permissions for this resource. You should deliver your Blueprint, Data Model (ER-Model/DDL), Java Domain Model and DAO Interface/Implementation below with necessary comments.

Answer 3

你把你写的源码发过来，大家帮你改改就是了。