zyx007/ProductionPractice
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

5/19 19:08

Browse Source
This commit is contained in:
zyx 2023-05-19 19:08:50 +08:00
parent 2d8d14a7f0
commit 68a8a9f33a
11 changed files with 143 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.idea/compiler.xml generated
View File

@ -7,6 +7,7 @@
<sourceOutputDir name="target/generated-sources/annotations" />
<sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
<outputRelativeToContentRoot value="true" />
<module name="spring519" />
<module name="mybatis516" />
<module name="demo516" />
<module name="demo515" />

2
.idea/encodings.xml generated
View File

@ -11,5 +11,7 @@
<file url="file://$PROJECT_DIR$/mybatis517-518/src/main/resources" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/mybatis519/src/main/java" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/mybatis519/src/main/resources" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/spring519/src/main/java" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/spring519/src/main/resources" charset="UTF-8" />
</component>
</project>

1
.idea/misc.xml generated
View File

@ -13,6 +13,7 @@
<option value="$PROJECT_DIR$/mybatis517/pom.xml" />
<option value="$PROJECT_DIR$/mybatis517-518/pom.xml" />
<option value="$PROJECT_DIR$/mybatis519/pom.xml" />
<option value="$PROJECT_DIR$/spring519/pom.xml" />
</list>
</option>
</component>

3
mybatis519/src/main/java/cn/czyx007/mapper/BrandMapper.java
View File

@ -1,6 +1,7 @@
package cn.czyx007.mapper;
import cn.czyx007.bean.Brand;
import org.apache.ibatis.annotations.CacheNamespace;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
@ -10,6 +11,8 @@ import java.util.List;
* @author : 张宇轩
* @createTime : 2023/5/17 - 14:16
*/
//开启二级缓存
@CacheNamespace
public interface BrandMapper {
//查询所有品牌
@Select("select * from person_info.tb_brand")

3
mybatis519/src/main/resources/cn/czyx007/mapper/BrandMapper.xml
View File

@ -5,4 +5,7 @@
<mapper namespace="cn.czyx007.mapper.BrandMapper">
<!-- 开启二级缓存,注解与此处二选一 -->
<!-- <cache/>-->
</mapper>

2
mybatis519/src/main/resources/mybatis-config.xml
View File

@ -20,6 +20,7 @@
<!--将下划线映射为驼峰-->
<setting name="mapUnderscoreToCamelCase" value="true"/>
<setting name="lazyLoadingEnabled" value="true"/>
<setting name="cacheEnabled" value="true"/>
</settings>
<typeAliases>
@ -28,6 +29,7 @@
<plugins>
<plugin interceptor="com.github.pagehelper.PageInterceptor">
<!-- 启用合理化，防止第一页再点击上一页，最后一页再点击下一页 -->
<property name="reasonable" value="true"/>
</plugin>
</plugins>

39
mybatis519/src/test/java/TestComputers.java
View File

@ -48,6 +48,7 @@ public class TestComputers {
BrandMapper mapper = sqlSession.getMapper(BrandMapper.class);
mapper.getBrandAll().forEach(System.out::println);
//一级缓存，SqlSession级别
//更新操作会导致缓存失效
// Brand brand = new Brand();
// brand.setId(1);
@ -60,4 +61,42 @@ public class TestComputers {
BrandMapper mapper1 = sqlSession.getMapper(BrandMapper.class);
mapper1.getBrandAll().forEach(System.out::println);
}
//如果不是同一个SqlSession，一级缓存失效
//如果不是同一个SqlSession，二级缓存有效，mapper级别
@Test
public void test04(){
//第一次
SqlSession sqlSession = SqlSessionUtil.getSqlSession();
BrandMapper mapper = sqlSession.getMapper(BrandMapper.class);
mapper.getBrandAll().forEach(System.out::println);
//SqlSession关闭，缓存数据
sqlSession.close();
//第二次
System.out.println("+===========");
SqlSession sqlSession1 = SqlSessionUtil.getSqlSession();
BrandMapper mapper1 = sqlSession1.getMapper(BrandMapper.class);
mapper1.getBrandAll().forEach(System.out::println);
}
@Test
public void test05(){
//第一次
SqlSession sqlSession = SqlSessionUtil.getSqlSession();
BrandMapper mapper = sqlSession.getMapper(BrandMapper.class);
mapper.getBrandAll().forEach(System.out::println);
//更新操作
Brand brand = new Brand();
brand.setId(88);
brand.setBrandName("小花88");
mapper.updateBrandById(brand);
//SqlSession关闭，缓存数据
sqlSession.close();
//第二次
System.out.println("+===========");
SqlSession sqlSession1 = SqlSessionUtil.getSqlSession();
BrandMapper mapper1 = sqlSession1.getMapper(BrandMapper.class);
mapper1.getBrandAll().forEach(System.out::println);
}
}

36
spring519/pom.xml Normal file
View File

@ -0,0 +1,36 @@
<?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>cn.czyx007</groupId>
<artifactId>spring519</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.20</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.3.23</version>
</dependency>
</dependencies>
</project>

22
spring519/src/main/java/cn/czyx007/bean/Dog.java Normal file
View File

@ -0,0 +1,22 @@
package cn.czyx007.bean;
import lombok.AllArgsConstructor;
import lombok.Data;
/**
* @author : 张宇轩
* @createTime : 2023/5/19 - 15:59
*/
@Data
//@NoArgsConstructor
@AllArgsConstructor
public class Dog {
public Dog() {
System.out.println("狗出生了");
}
private String name;
public void eat(){
System.out.println(name + "的狗吃骨头...");
}
}

10
spring519/src/main/resources/spring.xml Normal file
View File

@ -0,0 +1,10 @@
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
<bean id="dog" class="cn.czyx007.bean.Dog">
<!-- 依赖注入，对 对象属性赋值 -->
<property name="name" value="xxx"/>
</bean>
</beans>

24
spring519/src/test/java/TestDemo.java Normal file
View File

@ -0,0 +1,24 @@
import cn.czyx007.bean.Dog;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/**
* @author : 张宇轩
* @createTime : 2023/5/19 - 16:00
*/
public class TestDemo {
@Test
public void test1(){
Dog dog = new Dog("xxx");
dog.eat();
}
@Test
public void test2(){
ApplicationContext app = new ClassPathXmlApplicationContext("spring.xml");
Dog dog = app.getBean("dog", Dog.class);
// dog.setName("xxx");
dog.eat();
}
}