进入Spring脚手架 创建Web工程
SpringInitialize.png
还有其他功能可以选择性勾选
点击Generate Project后得到一个压缩包，解压，然后导入解压后的工程
添加Maven依赖，配置pom.xml
<!-- 热部署 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
<scope>true</scope>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.2</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
- 配置application.properties
#数据库连接配置
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/demo?useUnicode=true&characterEncoding=UTF-8&useSSL=false
spring.datasource.username=root
spring.datasource.password=******
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
#mybatis.typeAliasesPackage：为实体对象所在的包，跟数据库表一一对应
#mybatis.mapperLocations：mapper文件的位置
mybatis.mapperLocations=classpath:mapper/*.xml
mybatis.typeAliasesPackage=com.example.demo.model
#配置执行SQL语句打印
logging.level.com.example.demo.dao=DEBUG
- SpringBoot Application
package com.example.demo;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
@MapperScan("com.example.demo.dao")
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}
- Controller
package com.example.demo.controller;
import com.example.demo.model.User;
import com.example.demo.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping("/test")
public class TestController {
@Autowired
private UserService userService;
@RequestMapping(value = "/hello", method = RequestMethod.GET)
public String hello() {
return "Hello Spring";
}
@RequestMapping(value = "/insertUser", method = RequestMethod.POST)
public void insertUser(@RequestParam("name") String name, @RequestParam("sex") String sex) {
User user = new User();
user.setName(name);
user.setSex(sex);
userService.insertUser(user);
}
}
- Service
package com.example.demo.service;
import com.example.demo.model.User;
public interface UserService {
public void insertUser(User user);
}
- Service Impl
package com.example.demo.service.impl;
import com.example.demo.dao.UserDao;
import com.example.demo.model.User;
import com.example.demo.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class UserServiceImpl implements UserService {
@Autowired
private UserDao userDao;
@Override
public void insertUser(User user) {
userDao.addUserInfo(user);
}
}
- Dao
package com.fluently.blog.dao;
import com.fluently.blog.model.User;
import org.apache.ibatis.annotations.Mapper;
@Mapper
public interface UserDao {
public void addUserInfo(User user);
}
- Model
package com.example.demo.model;
public class User {
private String name;
private String sex;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
}
- Mapper
<?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.example.demo.dao.UserDao">
<insert id="addUserInfo" parameterType="com.example.demo.model.User">
insert into user (name, sex) values (#{name,jdbcType=VARCHAR}, #{sex,jdbcType=VARCHAR})
</insert>
</mapper>
- 最后目录如下
目录.png
