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eclipse下整合springboot和mybatis的方法步骤

2019-11-26 09:14:23
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1.新建maven项目

先新建一个maven项目,勾选上creat a simple project,填写groupid,artifactid

2.建立项目结构

3.添加依赖

<parent>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-parent</artifactId>  <version>2.0.3.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>  <dependency>    <groupId>org.springframework.boot</groupId>    <artifactId>spring-boot-starter</artifactId>  </dependency>  <dependency>    <groupId>org.springframework.boot</groupId>    <artifactId>spring-boot-starter-test</artifactId>    <scope>test</scope>  </dependency>  <dependency>    <groupId>org.springframework.boot</groupId>    <artifactId>spring-boot-starter-web</artifactId>  </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>  <dependency>   <groupId>junit</groupId>   <artifactId>junit</artifactId>   </dependency></dependencies><build>  <plugins>    <plugin>      <groupId>org.springframework.boot</groupId>      <artifactId>spring-boot-maven-plugin</artifactId>    </plugin>  </plugins></build>

4.代码编写

在包的最外层添加启动类

package com.lee.test;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.cache.annotation.EnableCaching;@SpringBootApplication@EnableCachingpublic class Application {  public static void main(String[] args) {    SpringApplication.run(Application.class, args);  }}

实体类

package com.lee.test.pojo;import org.springframework.stereotype.Component;@Componentpublic class User {  private int id;  private String name;  private String telephone;  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 getTelephone() {    return telephone;  }  public void setTelephone(String telephone) {    this.telephone = telephone;  }}

mapper接口

package com.lee.test.mapper;import java.util.List;import org.apache.ibatis.annotations.Mapper;import com.lee.test.pojo.User;@Mapperpublic interface UserMapper {  List<User> getUser(int id);}

service接口

package com.lee.test.service;import java.util.List;import com.lee.test.pojo.User;public interface UserService {  public List<User> getUser(int id);}

service接口实现

package com.lee.test.service;import java.util.List;import com.lee.test.pojo.User;public interface UserService {  public List<User> getUser(int id);}

controller层

package com.lee.test.controller;import java.util.List;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestParam;import org.springframework.web.bind.annotation.RestController;import com.lee.test.pojo.User;import com.lee.test.service.UserService;@RestControllerpublic class UserController {  @Autowired  private UserService userService;  @RequestMapping("/getUser")  public List<User> getUser(@RequestParam("id") int id) {    return userService.getUser(id);  }}

还有mapper.xml的实现

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://www.mybatis.org/dtd/mybatis-3-mapper.dtd"><mapper namespace="com.lee.test.mapper.UserMapper">  <select id="getUser" parameterType="java.lang.Integer" resultType="com.lee.test.pojo.User">  select * from t_user where id = #{id}  </select></mapper>

最后是一些配置在application.properties中

spring.datasource.driverClassName=com.mysql.jdbc.Driverspring.datasource.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8spring.datasource.username=rootspring.datasource.password=rootmybatis.mapper-locations: classpath:mapper/*.xml

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持武林网。

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