add log for register

mooctest-user-server/src/main/java/cn/iselab/mooctest/user/service/impl/UserServiceImpl.java

@@ -3,6 +3,8 @@ package cn.iselab.mooctest.user.service.impl;
 import cn.iselab.mooctest.user.mapper.UserMapper;
 import cn.iselab.mooctest.user.model.User;
 import cn.iselab.mooctest.user.service.UserService;
+import lombok.extern.java.Log;
+import lombok.extern.log4j.Log4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -14,6 +16,7 @@ import java.util.List;
  * @date 2018-03-04.
  */
 @Service
+@Log
 public class UserServiceImpl implements UserService {
 
     @Autowired
@@ -33,6 +36,8 @@ public class UserServiceImpl implements UserService {
     public User register(User user) {
         String email = user.getEmail();
         userMapper.insert(user);
+        log.info(String.format("register user. name=%s, email=%s, mobile=%s, school=%s", user.getName(),
+                user.getEmail(), user.getMobile(), user.getSchool()));
         user = userMapper.findByEmail(email);
         return user;
     }