Spring Boot(3) H2数据库新增、修改、查询、删除

#Java#Spring#SpringBoot#H2#数据库#新增#修改#查询#删除#

SpringBoot H2数据库新增、修改、查询、删除

视频讲解: https://www.bilibili.com/video/av83944935/

H2Application.java

package com.example.h2;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplicationpublic class H2Application {   public static void main(String[] args) {      SpringApplication.run(H2Application.class, args);   }}

EmployeeController.java

package com.example.h2;

import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestControllerpublic class EmployeeController {    @Autowired    private EmployeeRep employeeRep;

    @GetMapping("/list")    public List<Employee> findAll(){        return employeeRep.findAll();    }

    @PostMapping("/save")    public Boolean save(@RequestBody Employee employee){        employeeRep.save(employee);        return Boolean.TRUE;    }    @PutMapping("/update")    public Boolean update(@RequestBody Employee employee){        employeeRep.save(employee);        return Boolean.TRUE;    }

    @DeleteMapping("/delete/{id}")    public Boolean delete(@PathVariable Long id){        employeeRep.deleteById(id);        return Boolean.TRUE;    }

}

Employee.java

package com.example.h2;

import lombok.Data;

import javax.persistence.Entity;import javax.persistence.GeneratedValue;import javax.persistence.GenerationType;import javax.persistence.Id;

@Entity@Datapublic class Employee {    @Id    @GeneratedValue(strategy = GenerationType.AUTO)    private Long id;    private String name;}

EmployeeRep.java

package com.example.h2;

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

public interface EmployeeRep extends JpaRepository<Employee,Long> {}

application.properties

spring.datasource.url=jdbc:h2:D://data//test2;DB_CLOSE_DELAY=-1;spring.datasource.driverClassName=org.h2.Driverspring.datasource.username=saspring.datasource.password=spring.jpa.database-platform=org.hibernate.dialect.H2Dialectspring.jpa.hibernate.ddl-auto=update

spring.h2.console.enabled=truespring.h2.console.path=/h2spring.h2.console.settings.trace=falsespring.h2.console.settings.web-allow-others=false

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原文地址：https://www.cnblogs.com/JavaWeiBianCheng/p/12219281.html