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一篇文章带你掌握主流办公框架——SpringBoot( 十 )

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  1. 创建项目（运用了web，Mybatis，mysql技术栈）

一篇文章带你掌握主流办公框架——SpringBoot

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  1. 查看pom.xml
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.5.0</version><relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.itheima</groupId> <artifactId>springboot_09_ssm</artifactId> <version>0.0.1-SNAPSHOT</version> <name>springboot_09_ssm</name> <description>Demo project for Spring Boot</description> <properties><java.version>1.8</java.version> </properties> <dependencies><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>2.2.0</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><scope>runtime</scope></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><!--TODO 添加必要的依赖坐标--><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.1.16</version></dependency> </dependencies> <build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins> </build></project>
  1. 设置相关数据源，端口等（yaml）
# TODO 配置数据源相关信息server:port: 80spring:datasource:type: com.alibaba.druid.pool.DruidDataSourcedriver-class-name: com.mysql.cj.jdbc.Driverurl: jdbc:mysql://localhost:3306/ssm_dbusername: rootpassword: root
  1. 对dao数据层进行简单修改（添加@Mapper）
// 我们前面有提起Config文件夹全部删除，导致我们需要手动配置dao的数据层映射package com.itheima.dao;import com.itheima.domain.Book;import org.apache.ibatis.annotations.*;import java.util.List;// TODO 添加@Mapper@Mapperpublic interface BookDao {@Insert("insert into tbl_book (type,name,description) values(#{type},#{name},#{description})")public int save(Book book);@Update("update tbl_book set type = #{type}, name = #{name}, description = #{description} where id = #{id}")public int update(Book book);@Delete("delete from tbl_book where id = #{id}")public int delete(Integer id);@Select("select * from tbl_book where id = #{id}")public Book getById(Integer id);@Select("select * from tbl_book")public List<Book> getAll();}
  1. 我们将页面相关内容移至Sources文件夹下的static文件夹下

一篇文章带你掌握主流办公框架——SpringBoot

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  1. 基本修改完毕，采用测试类测试
package com.itheima.service;import com.itheima.domain.Book;import org.junit.jupiter.api.Test;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.boot.test.context.SpringBootTest;import java.util.List;@SpringBootTestpublic class BookServiceTest {@Autowiredprivate BookService bookService;@Testpublic void testGetById(){Book book = bookService.getById(2);System.out.println(book);}@Testpublic void testGetAll(){List<Book> all = bookService.getAll();System.out.println(all);}}

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