小编JES*_*ANG的帖子

我在Userservice.java文件“类型类型为'S'的推断类型为'S'的错误中没有得到此错误；” 我不知道在说什么，应该在哪里更改..请检查我的文件并给我一些建议

在此处输入图片说明

package com.therealdanvega.service;

import com.therealdanvega.domain.User;
import com.therealdanvega.repository.UserRepository;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class UserService {

    private UserRepository userRepository;

    public UserService(UserRepository userRepository) {
        this.userRepository = userRepository;
    }

    public Iterable<User> list() {
        return userRepository.findAll();
    }

    public User save(User user) {
        return userRepository.save(user);
    }

    public void save(List<User> users) {
        userRepository.save(users);
    }
}

用户

package com.therealdanvega.domain;


import lombok.AllArgsConstructor;
import lombok.Data;

import javax.persistence.*;

@Data
@AllArgsConstructor
@Entity
public class User {

    @Id
    @GeneratedValue( strategy = GenerationType.AUTO )
    private Long id;
    private String name; …