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用户关联角色操作
从前台发送请求
<a href="${pageContext.request.contextPath}/user/findUserByIdAndAllRole.do?id=${user.id}" class="btn bg-olive btn-xs">添加角色</a>查询用户以及用户可以添加的角色
usercontroller
//查询用户以及用户可以添加的角色@RequestMapping("/findUserByIdAndAllRole.do")public ModelAndView findUserByIdAndAllRole(@RequestParam(name = "id", required = true) String userid) throws Exception {ModelAndView mv = new ModelAndView();//1.根据用户id查询用户UserInfo userInfo = userService.findById(userid);//2.根据用户id查询可以添加的角色List<Role> otherRoles = userService.findOtherRoles(userid);mv.addObject("user", userInfo);mv.addObject("roleList", otherRoles);mv.setViewName("user-role-add");return mv;}
UserServiceImpl
@Overridepublic UserInfo findById(String id) throws Exception {return userDao.findById(id);}@Overridepublic List<Role> findOtherRoles(String userid) throws Exception {return userDao.findOtherRoles(userid);}
IUserDao
@Select("select * from users where id=#{id}")@Results({@Result(id = true, property = "id", column = "id"),@Result(property = "username", column = "username"),@Result(property = "email", column = "email"),@Result(property = "password", column = "password"),@Result(property = "phoneNum", column = "phoneNum"),@Result(property = "status", column = "status"),@Result(property = "roles",column = "id",javaType = java.util.List.class,many = @Many(select = "com.itheima.ssm.dao.IRoleDao.findRoleByUserId"))})UserInfo findById(String id) throws Exception;@Select("select * from role where id not in (select roleId from users_role where userId=#{userId})")List<Role> findOtherRoles(String userId) throws Exception;//@Param 有两个int参数mybaties不知道怎末匹配@Insert("insert into users_role(userId,roleId) values(#{userId},#{roleId})")
给用户添加角色
usercontroller
//给用户添加角色@RequestMapping("/addRoleToUser.do")public String addRoleToUser(@RequestParam(name = "userId", required = true) String userId, @RequestParam(name = "ids", required = true) String[] roleIds) throws Exception{userService.addRoleToUser(userId, roleIds);return "redirect:findAll.do";}
UserServiceImpl
@Overridepublic void addRoleToUser(String userId, String[] roleIds) throws Exception {for(String roleId:roleIds){userDao.addRoleToUser(userId,roleId);}}
IUserDao
//@Param 有两个int参数mybaties不知道怎末匹配@Insert("insert into users_role(userId,roleId) values(#{userId},#{roleId})")void addRoleToUser(@Param("userId") String userId,@Param("roleId") String roleId) throws Exception;
}