SpringBoot 操作Mysql数据库
1项目目录结构
2 pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.china</groupId>
<artifactId>shanghai</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>shanghai</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.0.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-actuator -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
<version>2.1.0.RELEASE</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-web -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>2.1.0.RELEASE</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-test -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<version>2.1.0.RELEASE</version>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.mybatis.spring.boot/mybatis-spring-boot-starter -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.13</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>2.1.0.RELEASE</version>
</plugin>
</plugins>
</build>
</project>
3 Customer.java
package com.china.shanghai.pojo;
public class Customer {
private Integer id;
private String username;
private String jobs;
private String phone;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getJobs() {
return jobs;
}
public void setJobs(String jobs) {
this.jobs = jobs;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
}
4 CustomerMapper.java
package com.china.shanghai.dao;
import com.china.shanghai.pojo.Customer;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import java.util.List;
@Mapper
public interface CustomerMapper {
@Select("select * from customer where id=#{id}")
public List<Customer> getCustomer(int id);
}
5 CustomerService.java
package com.china.shanghai.service;
import com.china.shanghai.pojo.Customer;
import java.util.List;
public interface CustomerService {
public List<Customer> getCustomer(int id);
}
6CustomerServiceImpl.java
package com.china.shanghai.service.impl;
import com.china.shanghai.dao.CustomerMapper;
import com.china.shanghai.pojo.Customer;
import com.china.shanghai.service.CustomerService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
class CustomerServiceImpl implements CustomerService{
@Autowired
CustomerMapper customerMapper;
@Override
public List<Customer> getCustomer(int id) {
return customerMapper.getCustomer(id);
}
}
7CustomerController.java
package com.china.shanghai.controller;
import com.china.shanghai.pojo.Customer;
import com.china.shanghai.service.CustomerService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
@RestController
public class CustomerController {
@Autowired
CustomerService customerService;
@GetMapping("/findCustomerById")
public List<Customer> getCustomer(int id){
return customerService.getCustomer(id);
}
}
8 application.properties
spring.datasource.url=jdbc:mysql://localhost:3306/mybatis?serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
9 ShanghaiApplication.java
package com.china.shanghai;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;
@SpringBootApplication
@ComponentScan(basePackages ={"com.china.shanghai.controller","com.china.shanghai.service"})
@MapperScan(basePackages = "com.china.shanghai.dao")
public class ShanghaiApplication {
public static void main(String[] args) {
SpringApplication.run(ShanghaiApplication.class, args);
}
}
10 http://localhost:8080/findCustomerById?id=2
posted on 2018-11-24 22:33 Indian_Mysore 阅读(354) 评论(0) 编辑 收藏 举报