我创建了SpringBoot项目,但该项目不起作用

我遵循了一个使用spring-boot构建项目的教程。然而,我不是专业或中级的春季靴。所以我不明白我的项目什么时候出现了问题。我试图找到解决办法,但没能成功。

我在这里附上了我的代码:

SmartContactManager应用程序.java

package com.smart;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.context.annotation.ComponentScan;

@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class }, scanBasePackages={"com.smart.*"})
@ComponentScan("com.smart.dao.UserRepository")
public class SmartContactManagerApplication {

    public static void main(String[] args) {
        SpringApplication.run(SmartContactManagerApplication.class, args);
    }

}

用户.java

package com.smart.entities;

import java.util.ArrayList;
import java.util.List;

import jakarta.persistence.CascadeType;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.OneToMany;
import jakarta.persistence.Table;
import lombok.Data;

//@Data
@Entity
@Table(name="User")
public class User {
    
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private int id;
    private String name;
    
    @Column(unique = true)
    private String email;
    private String password;
    private String role;
    private boolean enable;
    private String imageUrl;
    
    @Column(length = 500)
    private String about;
    
    //one user can have many contacts
    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY, mappedBy="user")
    private List<Contact> contactList = new ArrayList<>();

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getRole() {
        return role;
    }

    public void setRole(String role) {
        this.role = role;
    }

    public boolean isEnable() {
        return enable;
    }

    public void setEnable(boolean enable) {
        this.enable = enable;
    }

    public String getImageUrl() {
        return imageUrl;
    }

    public void setImageUrl(String imageUrl) {
        this.imageUrl = imageUrl;
    }

    public String getAbout() {
        return about;
    }

    public void setAbout(String about) {
        this.about = about;
    }

    public List<Contact> getContactList() {
        return contactList;
    }

    public void setContactList(List<Contact> contactList) {
        this.contactList = contactList;
    }
    
    

}

用户存储库.java

package com.smart.dao;

import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;

import com.smart.entities.User;

@Repository
public interface UserRepository extends JpaRepository<User, Integer> {

}

家庭控制器.java

package com.smart.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import com.smart.dao.UserRepository;
import com.smart.entities.User;

@Controller
public class HomeController {
    
    @Autowired
    private UserRepository userRepository;
    
    @GetMapping("/test") 
    @ResponseBody
    public String test() {
        
        User user = new User();
        user.setName("Sanket Verma");
        user.setEmail("Sanket@gmail.com");
        System.out.println("Testing");
        
        userRepository.save(user);
        
        return "Working";
    }
}

应用程序属性

spring.datasource.url=jdbc:mysql://localhost:3306/smartcontact?useSSL=false&useTimezone=true&serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=root@123
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL8Dialect
spring.jpa.generate-ddl=true
spring.jpa.properties.hibernate.hbm2ddl.auto=update

联系人.java

package com.smart.entities;

import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.Table;
import lombok.Data;

//@Data
@Entity
(name = "contact")
public class Contact {

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private int cId;
    private String fname;
    private String sname;
    private String work;
    private String email;
    private String phone;
    private String image;
    
    @Column(length = 1000)
    private String description;
    
    public int getcId() {
        return cId;
    }



    public void setcId(int cId) {
        this.cId = cId;
    }



    public String getFname() {
        return fname;
    }



    public void setFname(String fname) {
        this.fname = fname;
    }



    public String getSname() {
        return sname;
    }



    public void setSname(String sname) {
        this.sname = sname;
    }



    public String getWork() {
        return work;
    }



    public void setWork(String work) {
        this.work = work;
    }



    public String getEmail() {
        return email;
    }



    public void setEmail(String email) {
        this.email = email;
    }



    public String getPhone() {
        return phone;
    }



    public void setPhone(String phone) {
        this.phone = phone;
    }



    public String getImage() {
        return image;
    }



    public void setImage(String image) {
        this.image = image;
    }



    public String getDescription() {
        return description;
    }



    public void setDescription(String description) {
        this.description = description;
    }



    public User getUser() {
        return user;
    }



    public void setUser(User user) {
        this.user = user;
    }



    //Many contacts can have to one user
    @ManyToOne
    private User user;
}

预期的输出应该是,当我们运行程序时,名称和电子邮件将保存在数据库中。