HEX 檔案格式詳解
阿新 • • 發佈:2022-03-01
首先配置環境,匯入maven依賴
<dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.5.2</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.47</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>5.3.15</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>2.0.7</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.8.13</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>5.2.19.RELEASE</version> </dependency> </dependencies>
編寫xml配置檔案
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsdView Codehttp://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop.xsd"> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver"/> <property name="url" value="jdbc:mysql://localhost:3306/mybatis?useSSL=true&useUnicode=true&characterEncoding=utf8"/> <property name="username" value="root"/> <property name="password" value="syh"/> </bean> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <property name="configLocation" value="classpath:mybatis-config.xml"/> <property name="mapperLocations" value="classpath:com/syh/mapper/*.xml"/> </bean> <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate"> <constructor-arg index="0" ref="sqlSessionFactory"/> </bean> <bean id="userMapper" class="com.syh.mapper.UserMapperImpl"> <property name="sessionTemplate" ref="sqlSession"/> </bean> </beans>
新增介面實現類
package com.syh.mapper; import com.syh.pojo.User; import org.mybatis.spring.SqlSessionTemplate; import java.util.List; public class UserMapperImpl implements UserMapper{ private SqlSessionTemplate sqlSession; public void setSessionTemplate(SqlSessionTemplate sessionTemplate) { this.sqlSession = sessionTemplate; } @Override public List<User> selectUser() { UserMapper mapper = sqlSession.getMapper(UserMapper.class); return mapper.selectUser(); } }View Code
建立測試類
@Test public void select() throws IOException { ApplicationContext context = new ClassPathXmlApplicationContext("spring-dao.xml"); UserMapper mapper = context.getBean("userMapper", UserMapper.class); for (User user : mapper.selectUser()) { System.out.println(user); } }