哪个网站做老款二手车,企业如何免费做网站,查询网站空间的服务商,网站 电信已备案 联通1、【microboot项目】修改配置文件#xff0c;引入所需要的相关依赖库:
ext.versions [ // 定义所有要使用的版本号springboot : 2.4.3, // SpringBoot版本号junit : 5.7.1, // 配置JUnit测试工具的版本编号juni…1、【microboot项目】修改配置文件引入所需要的相关依赖库:
ext.versions [ // 定义所有要使用的版本号springboot : 2.4.3, // SpringBoot版本号junit : 5.7.1, // 配置JUnit测试工具的版本编号junitPlatformLauncher : 1.7.1, // JUnit测试工具运行平台版本编号lombok : 1.18.18, // Lombok插件对应的版本号mysql : 8.0.25, // MySQL驱动的版本druid : 1.2.6, // Druid版本mybatisSpringBoot : 2.2.0, // Mybatis-SpringBoot整合依赖
]
ext.libraries [ // 定义所有的依赖库spring-boot-gradle-plugin: org.springframework.boot:spring-boot-gradle-plugin:${versions.springboot},// 以下的配置为与项目用例测试有关的依赖junit-jupiter-api: org.junit.jupiter:junit-jupiter-api:${versions.junit},junit-vintage-engine: org.junit.vintage:junit-vintage-engine:${versions.junit},junit-jupiter-engine: org.junit.jupiter:junit-jupiter-engine:${versions.junit},junit-platform-launcher: org.junit.platform:junit-platform-launcher:${versions.junitPlatformLauncher},junit-bom: org.junit:junit-bom:${versions.junit},// 以下的配置为Lombok组件有关的依赖lombok: org.projectlombok:lombok:${versions.lombok},// 以下的配置为数据库开发所需要的依赖mysql-connector-java: mysql:mysql-connector-java:${versions.mysql},druid-spring-boot-starter: com.alibaba:druid-spring-boot-starter:${versions.druid},spring-jdbc: org.springframework:spring-jdbc:${versions.springJdbc},druid: com.alibaba:druid:${versions.druid},// 以下的配置为MyBatis开发框架所需要的依赖mybatis-spring-boot-starter: ::${versions.mybatisSpringBoot},
]project(microboot-database) { // 子模块dependencies { // 配置子模块依赖compile(libraries.mysql-connector-java)compile(libraries.druid) // 添加原始依赖compile(libraries.mybatis-spring-boot-starter)}
}2、【microboot-database子模块】在“src/main/resources”目录之中创建“META-INF/mybatis/mybatis.cfg xmI”文件;
?xml version1.0 encodingUTF-8 ?
!DOCTYPE configuration PUBLIC -//mybatis.org//DTD Config 3.0//ENhttp://mybatis.org/dtd/mybatis-3-config.dtd
configuration!-- Mybatis环境的属性配置 --settings !-- 开启二级缓存 --setting namecacheEnabled valuetrue//settings
/configuration3、【microboot-database子模块】application.yml
spring:datasource:type: com.alibaba.druid.pool.DruidDataSource # 配置数据源的类型driver-class-name: com.mysql.cj.jdbc.Driver # MySQL8之后的驱动url: jdbc:mysql://localhost:3306/yootk # 数据库的JDBC连接地址username: root # 用户名password: mysqladmin # 密码druid: # 定义数据库连接池所需要的相关配置项initial-size: 5 # 初始化连接池大小min-idle: 10 # 最小维持的连接池大小max-active: 50 # 最大可提供的连接数量max-wait: 60000 # 最长等待时间time-between-eviction-runs-millis: 6000 # 关闭空闲连接间隔毫秒min-evictable-idle-time-millis: 30000 # 连接最小的生存时间validation-query: SELECT 1 FROM dual # 数据库的状态检测test-while-idle: true # 判断连接是否可用test-on-borrow: false # 在获得连接之前是否要进行测试test-on-return: false # 归还连接前是否需要进行测试pool-prepared-statements: false # 不缓存PSTMTmax-pool-prepared-statement-per-connection-size: 20 # 配置PSTMT缓存个数mybatis:config-location: classpath:META-INF/mybatis/mybatis.cfg.xml # mybatis配置文件所在路径type-aliases-package: com.yootk.vo # 定义所有操作类的别名所在包mapper-locations: classpath:META-INF/mybatis/mapper/**/*.xml # 所有的mapper映射文件4、【microboot-database子模块】创建IMemberDAO接口实现member数据表的配置
package com.yootk.dao;import com.yootk.vo.Member;
import org.apache.ibatis.annotations.Mapper;import java.util.List;Mapper
public interface IMemberDAO { // 定义DAO接口public ListMember findAll(); // 查询全部
}5、 【microboot-database子模块】随后创建一个与IMemberDAO接口关联的映射配置文件该文件的路径:src/main/resources/META-INE/mybatis/mapper/MemberMapper.xml编辑 MemberMapper.xml配置文件
?xml version1.0 encodingUTF-8?
!DOCTYPE mapper PUBLIC -//mybatis.org//DTD Mapper 3.0//ENhttp://mybatis.org/dtd/mybatis-3-mapper.dtd
mapper namespacecom.yootk.dao.IMemberDAOselect idfindAll resultTypeMemberSELECT mid, name, age, salary, birthday, content FROM member;/select
/mapper6、 【microboot-database子模块】IMemberService
package com.yootk.service;import com.yootk.vo.Member;import java.util.List;public interface IMemberService {public ListMember list();
}7、 【microboot-database子模块】MemberServiceImpl
package com.yootk.service.impl.impl;import com.yootk.dao.IMemberDAO;
import com.yootk.service.IMemberService;
import com.yootk.vo.Member;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;import java.util.List;Service
public class MemberServiceImpl implements IMemberService {Autowiredprivate IMemberDAO memberDAO;Overridepublic ListMember list() {return this.memberDAO.findAll();}
}
8、 【microboot-database子模块】按照Mybatis设计来说是可以直接进行日志信息打印的所以修改 logback-spring.xml配置文件,追加日志输出配置项
logger namecom.yootk.dao levelDEBUG/9、【microboot-database子模块】编写一个测试类对当前的业务接口的功能进行测试
package com.yootk.test;import com.yootk.StartSpringBootDatabaseApplication;
import com.yootk.service.IMemberService;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import org.springframework.test.context.web.WebAppConfiguration;ExtendWith(SpringExtension.class) // 使用JUnit5测试工具
WebAppConfiguration // 启动WEB运行环境
SpringBootTest(classes StartSpringBootDatabaseApplication.class) // 配置程序启动类
public class TestMemberService { // 编写测试类Autowiredprivate IMemberService memberService;Testpublic void testFindAll() {System.out.println(this.memberService.list());}
}
