1.mybatis1.0.0方式
1.1pom.xml配置
<!-- mysql mybatis -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.0.0</version>
</dependency>
1.2application.properties配置
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/test
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.max-idle=10
spring.datasource.max-wait=10000
spring.datasource.min-idle=5
spring.datasource.initial-size=5
# mybatis配置文件位置
mybatis.mapperLocations=classpath:mapper/*.xml
1.3项目目录
domain
pojo的存放位置
mapper
dao的存放位置
service
业务层
web
控制器层
resources/mapper
mybaties 配置层
这个配置层需要在application.properties中进行配置
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1.4OneController.java
package com.shuai.spring_boot_1.web;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import com.shuai.spring_boot_1.service.UserService;
@Controller
public class OneController {
@Autowired
private UserService userService;
@RequestMapping("/")
@ResponseBody
public String index(){
userService.insert();
return "hello spring boot";
}
}
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1.5UserService.java
package com.shuai.spring_boot_1.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.shuai.spring_boot_1.domain.User;
import com.shuai.spring_boot_1.mapper.UserMapper;
@Service
public class UserService {
@Autowired
private UserMapper userMapper;
public void insert(){
User user = new User();
user.setId(2);
user.setName("lisi");
userMapper.insert(user);
System.out.println("插入成功");
}
}
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1.6UserMapper.java
package com.shuai.spring_boot_1.mapper;
import com.shuai.spring_boot_1.domain.User;
public interface UserMapper {
void insert(User user);
}
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1.7User.java
package com.shuai.spring_boot_1.domain;
public class User {
private int id;
private String name;
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;
}
}
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1.8App.java
package com.shuai.spring_boot_1;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class App {
public static void main(String[] args) {
SpringApplication.run(App.class, args);
}
}
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1.8UserMapper.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.shuai.spring_boot_1.mapper.UserMapper" >
<insert id="insert" parameterType="com.shuai.spring_boot_1.domain.User" >
insert into user (id,name)
values (#{id}, #{name})
</insert>
</mapper>
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1.9运行项目
运行App.java中的main方法
1.10访问项目
http://localhost:8080/
