SpringBoot + MyBatis + MySQL + Maven在Intellij IDEA下开发环境的搭建
2017-07-08 23:28
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最近项目中要用SpringBoot + MyBatis + MySQL + Maven的开发环境。经过一晚上折腾,终于搭建了开发环境。以下为环境搭建过程。
填写项目信息。Type选择Maven Project即可
选择依赖时,选择web下的web。以及SQL下的JPA,MyBatis,MySQL。
之后,一路点击next即可完成工程的创建。
到此,SpringBoot + MyBatis + MySQL + Maven在Intellij IDEA下开发环境的搭建就已经结束了。
编写mapper文件及对应接口,即可对数据库进行相关操作了。
1.新建一个Spring工程
填写项目信息。Type选择Maven Project即可
选择依赖时,选择web下的web。以及SQL下的JPA,MyBatis,MySQL。
之后,一路点击next即可完成工程的创建。
2.配置pom文件
以下是pom.xml的完整配置<?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.aim.demo</groupId> <artifactId>demo</artifactId> <version>1.0.0-SNAPSHOT</version> <packaging>jar</packaging> <name>demo</name> <description>Demo project for Spring Boot of Aim</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.4.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.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.0</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> <version>1.3.6.RELEASE</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.4.1</version> </dependency> <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.1</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <scope>runtime</scope> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <!-- https://mvnrepository.com/artifact/com.alibaba/druid --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.1.0</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
3.Mybatis配置
新建一个 MybatisConfig类@Configuration // @Configuration注解(该注解类似于spring的配置文件) @MapperScan(basePackages = "com.aim.demo.dao")// @MapperScan注解,指定扫描的mapper接口所在的包 public class MybatisConfig implements EnvironmentAware { private static final Logger logger = LoggerFactory.getLogger(MybatisConfig.class); @Autowired private Environment env; @Override public void setEnvironment(Environment environment) { this.env = environment; } /** * 创建数据源 * @Primary 该注解表示在同一个接口有多个实现类可以注入的时候,默认选择哪一个,而不是让@autowire注解报错 */ @Bean @Primary public DataSource getDataSource() throws Exception{ Properties props = new Properties(); props.put("driverClassName", env.getProperty("spring.datasource.driver-class-name")); props.put("url", env.getProperty("spring.datasource.url")); props.put("username", env.getProperty("spring.datasource.username")); props.put("password", env.getProperty("spring.datasource.password")); return DruidDataSourceFactory.createDataSource(props); } /** * 根据数据源创建SqlSessionFactory */ @Bean public SqlSessionFactory sqlSessionFactory(DataSource ds) throws Exception{ SqlSessionFactoryBean fb = new SqlSessionFactoryBean(); fb.setDataSource(ds);//指定数据源(这个必须有,否则报错) //下边两句仅仅用于*.xml文件,如果整个持久层操作不需要使用到xml文件的话(只用注解就可以搞定),则不加 fb.setTypeAliasesPackage(env.getProperty("mybatis.typeAliasesPackage"));//指定基包 fb.setMapperLocations(new PathMatchingResourcePatternResolver().getResources(env.getProperty("mybatis.mapperLocations")));//指定xml文件位置 return fb.getObject(); } }
4.application.yml配置
在这里配置数据库连接及mybatis默认mapper地址和基包#默认使用配置 spring: profiles: active: dev #公共配置与profiles选择无关 mybatis: typeAliasesPackage: com.aim.demo.dao.entity mapperLocations: classpath:mapper/*.xml --- #开发配置 spring: profiles: dev datasource: url: jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull username: root password: 123456 driver-class-name: com.mysql.jdbc.Driver
到此,SpringBoot + MyBatis + MySQL + Maven在Intellij IDEA下开发环境的搭建就已经结束了。
编写mapper文件及对应接口,即可对数据库进行相关操作了。
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