spring boot 整合mybatis + swagger2

之前使用springMVC+spring+mybatis，总是被一些繁琐的xml配置，有时候如果配置出错，还要检查各种xml配置，偶然接触到了spring boot 后发现搭建一个web项目真的是1分钟的事情，再也不用去管那么多xml配置，简直神清气爽，不用看那么多一坨xml，下面是我把以前的一些ssm项目改成了spring boot + mybatis，相对于来说优点太明显了

1. 创建独立的Spring应用程序

2. 嵌入的Tomcat，无需部署WAR文件

3. 简化Maven配置

4. 自动配置Spring

5. 提供生产就绪型功能，如指标，健康检查和外部配置

6. 绝对没有代码生成和对XML没有要求配置

这个是百度百科上面对spring boot 优点的描述，其实我感觉也是这样，大家可以试一下。

以下是具体的代码实现（github地址：https://github.com/yihec/spring-boot-mybatis）

首先是pom文件的一些依赖

<?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.example</groupId>   <artifactId>demo 2</artifactId>   <version>0.0.1-SNAPSHOT</version>   <packaging>jar</packaging>

   <name>demo 2</name>   <description>Demo project for Spring Boot</description>

   <parent>      <groupId>org.springframework.boot</groupId>      <artifactId>spring-boot-starter-parent</artifactId>      <version>1.5.1.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>1.7</java.version>   </properties>

   <dependencies>      <dependency>         <groupId>org.springframework.boot</groupId>         <artifactId>spring-boot-starter-aop</artifactId>      </dependency>      <!-- 移除内置的log的依赖使用log4j进行日志输出-->      <dependency>         <groupId>org.springframework.boot</groupId>         <artifactId>spring-boot-starter-web</artifactId>         <exclusions>            <exclusion>               <groupId>org.springframework.boot</groupId>               <artifactId>spring-boot-starter-logging</artifactId>            </exclusion>         </exclusions>      </dependency>      <dependency>         <groupId>org.springframework.boot</groupId>         <artifactId>spring-boot-starter-jdbc</artifactId>      </dependency>      <dependency>         <groupId>com.oracle</groupId>         <artifactId>ojdbc14</artifactId>         <version>10.2.0.1.0</version>      </dependency>      <!-- redis -->      <dependency>         <groupId>org.springframework.boot</groupId>         <artifactId>spring-boot-starter-redis</artifactId>      </dependency>      <dependency>         <groupId>org.springframework.boot</groupId>         <artifactId>spring-boot-starter-test</artifactId>         <scope>test</scope>      </dependency>      <!--导入mybatis -->      <dependency>         <groupId>org.mybatis</groupId>         <artifactId>mybatis-spring</artifactId>         <version>1.2.2</version>      </dependency>      <dependency>         <groupId>org.mybatis</groupId>         <artifactId>mybatis</artifactId>         <version>3.2.8</version>      </dependency>      <dependency>         <groupId>org.apache.commons</groupId>         <artifactId>commons-lang3</artifactId>         <version>3.5</version>      </dependency>      <!--mybatis的分页插件 很好用的一个 具体使用方法可以去下面的网站 -->      <!-- https://mvnrepository.com/artifact/com.github.pagehelper/pagehelper -->      <dependency>         <groupId>com.github.pagehelper</groupId>         <artifactId>pagehelper</artifactId>         <version>4.1.6</version>      </dependency>

      <dependency>         <groupId>org.codehaus.jackson</groupId>         <artifactId>jackson-mapper-asl</artifactId>         <version>1.9.13</version>      </dependency>

      <!--swagger2 生成api文档 -->      <dependency>         <groupId>io.springfox</groupId>         <artifactId>springfox-swagger2</artifactId>         <version>2.2.2</version>      </dependency>      <dependency>         <groupId>io.springfox</groupId>         <artifactId>springfox-swagger-ui</artifactId>         <version>2.2.2</version>      </dependency>      <dependency>         <groupId>org.springframework.boot</groupId>         <artifactId>spring-boot-starter-thymeleaf</artifactId>      </dependency>      <dependency>         <groupId>org.springframework.boot</groupId>         <artifactId>spring-boot-starter-log4j</artifactId>      </dependency>      </dependencies>

   <build>      <plugins>         <plugin>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-maven-plugin</artifactId>         </plugin>

      </plugins>   </build>

   <repositories>      <repository>         <id>spring-snapshots</id>         <name>Spring Snapshots</name>         <url>https://repo.spring.io/snapshot</url>         <snapshots>            <enabled>true</enabled>         </snapshots>      </repository>      <repository>         <id>spring-milestones</id>         <name>Spring Milestones</name>         <url>https://repo.spring.io/milestone</url>         <snapshots>            <enabled>false</enabled>         </snapshots>      </repository>   </repositories>

   <pluginRepositories>      <pluginRepository>         <id>spring-snapshots</id>         <name>Spring Snapshots</name>         <url>https://repo.spring.io/snapshot</url>         <snapshots>            <enabled>true</enabled>         </snapshots>      </pluginRepository>      <pluginRepository>         <id>spring-milestones</id>         <name>Spring Milestones</name>         <url>https://repo.spring.io/milestone</url>         <snapshots>            <enabled>false</enabled>         </snapshots>      </pluginRepository>   </pluginRepositories>

</project>

接着是application.yml数据库配置

spring:datasource:driver-class-name: oracle.jdbc.OracleDriver  url: jdbc:oracle:thin:localhost:1521:orclusername: orclpassword: orcl

然后是application.java

package com.example;import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;import javax.sql.DataSource;@SpringBootApplication
//@ComponentScan 注解自动收集所有的Spring组件，包括 @Configuration 类。
@ComponentScan
@MapperScan("com.example.mapper")
public class DemoApplication {@Bean@ConfigurationProperties(prefix="spring.datasource")public DataSource dataSource() {return new org.apache.tomcat.jdbc.pool.DataSource();}@Beanpublic SqlSessionFactory sqlSessionFactoryBean() throws Exception {SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();sqlSessionFactoryBean.setDataSource(dataSource());PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();//这里的话如果不用mybatis-config.xml 可以把下面那句给注释掉sqlSessionFactoryBean.setMapperLocations(resolver.getResources("classpath:/mybatis/*.xml"));sqlSessionFactoryBean.setConfigLocation(resolver.getResource("classpath:mybatis-config.xml"));return sqlSessionFactoryBean.getObject();}@Beanpublic PlatformTransactionManager transactionManager() {return new DataSourceTransactionManager(dataSource());}public static void main(String[] args) {SpringApplication.run(DemoApplication.class, args);}
}

最后就是swagger的配置了,

package com.example;import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;/*** Created by lhm on 2015/8/27.*/
@Configuration
@EnableSwagger2
public class SwaggerConfig
{@Beanpublic Docket createRestApi() {return new Docket(DocumentationType.SWAGGER_2).apiInfo(apiInfo()).select().apis(RequestHandlerSelectors.basePackage("com.example.web")).paths(PathSelectors.any()).build();}private ApiInfo apiInfo() {return new ApiInfoBuilder().title("API").description("").termsOfServiceUrl("").contact("yihec").version("1.0").build();}}

最主要的代码就是这些了，然后大功告成，后面的都是个人的业务逻辑了。

github地址：https://github.com/yihec/spring-boot-mybatis

转载于:https://www.cnblogs.com/yihec/p/7268792.html

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