Method countmail

src/main/java/cn/hellohao/dao/UserMapper.java:22–22

(@Param("email") String email)

    Integer deleuser(@Param("id") Integer id);
    Integer countusername(@Param("username") String username);
    Integer countmail(@Param("email") String email);
    Integer uiduser(@Param("uid") String uid);
    User getUsersMail(@Param("uid") String uid);
    Integer setisok (User user);