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Spring Boot 2.x基础教程：使用MyBatis访问MySQL
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‎2.1.x/README.md‎

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- [Spring Boot 2.x基础教程：默认数据源Hikari的配置详解](http://blog.didispace.com/spring-boot-learning-21-3-2/)
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- [Spring Boot 2.x基础教程：使用国产数据库连接池Druid](http://blog.didispace.com/spring-boot-learning-21-3-3/)
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- [Spring Boot 2.x基础教程：使用Spring Data JPA访问MySQL](http://blog.didispace.com/spring-boot-learning-21-3-4/)
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- [Spring Boot 2.x基础教程：使用MyBatis访问MySQL](http://blog.didispace.com/spring-boot-learning-21-3-5/)
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- [Spring Boot 2.x基础教程：使用MyBatis]
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- [Spring Boot 2.x基础教程：多数据源配置]
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- [Spring Boot 2.x基础教程：数据库管理Flyway]
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‎2.1.x/README_zh.md‎

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- [Spring Boot 2.x基础教程：默认数据源Hikari的配置详解](http://blog.didispace.com/spring-boot-learning-21-3-2/)
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- [Spring Boot 2.x基础教程：使用国产数据库连接池Druid](http://blog.didispace.com/spring-boot-learning-21-3-3/)
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- [Spring Boot 2.x基础教程：使用Spring Data JPA访问MySQL](http://blog.didispace.com/spring-boot-learning-21-3-4/)
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- [Spring Boot 2.x基础教程：使用MyBatis访问MySQL](http://blog.didispace.com/spring-boot-learning-21-3-5/)
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- [Spring Boot 2.x基础教程：使用MyBatis]
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- [Spring Boot 2.x基础教程：多数据源配置]
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- [Spring Boot 2.x基础教程：数据库管理Flyway]
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‎2.1.x/chapter3-5/.gitignore‎

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HELP.md
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/target/
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!.mvn/wrapper/maven-wrapper.jar
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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/build/
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### VS Code ###
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.vscode/

‎2.1.x/chapter3-5/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.1.3.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.didispace</groupId>
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<artifactId>chapter3-5</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<properties>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.mybatis.spring.boot</groupId>
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<artifactId>mybatis-spring-boot-starter</artifactId>
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<version>2.1.1</version>
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</dependency>
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎2.1.x/chapter3-5/src/main/java/com/didispace/chapter35/Chapter35Application.java‎

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package com.didispace.chapter35;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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@SpringBootApplication
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public class Chapter35Application {
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public static void main(String[] args) {
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SpringApplication.run(Chapter35Application.class, args);
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}
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}

‎2.1.x/chapter3-5/src/main/java/com/didispace/chapter35/User.java‎

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package com.didispace.chapter35;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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@Data
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@NoArgsConstructor
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public class User {
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private Long id;
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private String name;
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private Integer age;
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public User(String name, Integer age) {
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this.name = name;
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this.age = age;
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}
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}

‎2.1.x/chapter3-5/src/main/java/com/didispace/chapter35/UserMapper.java‎

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package com.didispace.chapter35;
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import org.apache.ibatis.annotations.Insert;
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import org.apache.ibatis.annotations.Mapper;
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import org.apache.ibatis.annotations.Param;
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import org.apache.ibatis.annotations.Select;
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/**
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* Created by 程序猿DD/翟永超 on 2020/2/15.
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* <p>
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* Blog: http://blog.didispace.com/
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* Github: https://github.com/dyc87112/
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*/
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@Mapper
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public interface UserMapper {
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@Select("SELECT * FROM USER WHERE NAME = #{name}")
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User findByName(@Param("name") String name);
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@Insert("INSERT INTO USER(NAME, AGE) VALUES(#{name}, #{age})")
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int insert(@Param("name") String name, @Param("age") Integer age);
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}

‎2.1.x/chapter3-5/src/main/resources/application.properties‎

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spring.datasource.url=jdbc:mysql://localhost:3306/test
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spring.datasource.username=root
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spring.datasource.password=12345678
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spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

‎2.1.x/chapter3-5/src/test/java/com/didispace/chapter35/Chapter35ApplicationTests.java‎

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package com.didispace.chapter35;
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import lombok.extern.slf4j.Slf4j;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.test.annotation.Rollback;
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import org.springframework.test.context.junit4.SpringRunner;
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import javax.sql.DataSource;
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import java.util.List;
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@Slf4j
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@RunWith(SpringRunner.class)
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@SpringBootTest
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public class Chapter35ApplicationTests {
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@Autowired
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private UserMapper userMapper;
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@Test
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@Rollback
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public void test() throws Exception {
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userMapper.insert("AAA", 20);
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User u = userMapper.findByName("AAA");
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Assert.assertEquals(20, u.getAge().intValue());
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}
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}

‎2.1.x/pom.xml‎

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<module>chapter3-2</module>
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<module>chapter3-3</module>
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<module>chapter3-4</module>
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<module>chapter3-5</module> <!-- 使用 MyBatis -->
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<!-- Web开发 -->
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<module>chapter4-1</module> <!-- 使用 Thymeleaf开发Web页面 -->
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<module>chapter4-2</module> <!-- 使用 ECharts 绘制折线图 -->
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<module>chapter4-1</module> <!-- 使用 Thymeleaf开发Web页面 -->
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<module>chapter4-2</module> <!-- 使用 ECharts 绘制折线图 -->
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</modules>
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</project>

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