mybatis与Spring集成（Aop整合PagerAspect插件）

2020-12-13 15:29

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标签：依赖 data 建议 set delete mini pat text artifact

　　目的：

Mybatis与spring集成
Aop整合pagehelper插件

　　Mybatis与spring集成

　　导入pom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/maven-v4_0_0.xsd">
    parent>
        artifactId>moduleartifactId>
        groupId>com.huangtinggroupId>
        version>1.0-SNAPSHOTversion>
    parent>

    modelVersion>4.0.0modelVersion>
    packaging>warpackaging>

    name>ssmname>
    artifactId>ssmartifactId>
    properties>
        project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
        maven.compiler.source>1.8maven.compiler.source>
        maven.compiler.target>1.8maven.compiler.target>
        maven.compiler.plugin.version>3.7.0maven.compiler.plugin.version>
        
        
        spring.version>5.0.2.RELEASEspring.version>
        
        mybatis.version>3.4.5mybatis.version>
        
        mysql.version>5.1.44mysql.version>
        
        pagehelper.version>5.1.2pagehelper.version>
        
        mybatis.spring.version>1.3.1mybatis.spring.version>
        
        commons.dbcp2.version>2.1.1commons.dbcp2.version>
        commons.pool2.version>2.4.3commons.pool2.version>
        
        log4j2.version>2.9.1log4j2.version>
        
        junit.version>4.12junit.version>
        servlet.version>4.0.0servlet.version>
        lombok.version>1.18.2lombok.version>
    properties>
    dependencies>
        
        dependency>
            groupId>org.springframeworkgroupId>
            artifactId>spring-contextartifactId>
            version>${spring.version}version>
        dependency>
        dependency>
            groupId>org.springframeworkgroupId>
            artifactId>spring-ormartifactId>
            version>${spring.version}version>
        dependency>
        dependency>
            groupId>org.springframeworkgroupId>
            artifactId>spring-txartifactId>
            version>${spring.version}version>
        dependency>
        dependency>
            groupId>org.springframeworkgroupId>
            artifactId>spring-aspectsartifactId>
            version>${spring.version}version>
        dependency>
        dependency>
            groupId>org.springframeworkgroupId>
            artifactId>spring-webartifactId>
            version>${spring.version}version>
        dependency>
        dependency>
            groupId>org.springframeworkgroupId>
            artifactId>spring-testartifactId>
            version>${spring.version}version>
        dependency>

        
        dependency>
            groupId>org.mybatisgroupId>
            artifactId>mybatisartifactId>
            version>${mybatis.version}version>
        dependency>
        
        dependency>
            groupId>mysqlgroupId>
            artifactId>mysql-connector-javaartifactId>
            version>${mysql.version}version>
        dependency>
        
        dependency>
            groupId>com.github.pagehelpergroupId>
            artifactId>pagehelperartifactId>
            version>${pagehelper.version}version>
        dependency>
        
        dependency>
            groupId>org.mybatisgroupId>
            artifactId>mybatis-springartifactId>
            version>${mybatis.spring.version}version>
        dependency>

        
        dependency>
            groupId>org.apache.commonsgroupId>
            artifactId>commons-dbcp2artifactId>
            version>${commons.dbcp2.version}version>
        dependency>
        dependency>
            groupId>org.apache.commonsgroupId>
            artifactId>commons-pool2artifactId>
            version>${commons.pool2.version}version>
        dependency>

        
        
        dependency>
            groupId>org.apache.logging.log4jgroupId>
            artifactId>log4j-coreartifactId>
            version>${log4j2.version}version>
        dependency>
        dependency>
            groupId>org.apache.logging.log4jgroupId>
            artifactId>log4j-apiartifactId>
            version>${log4j2.version}version>
        dependency>
        
        dependency>
            groupId>org.apache.logging.log4jgroupId>
            artifactId>log4j-webartifactId>
            version>${log4j2.version}version>
        dependency>

        
        dependency>
            groupId>junitgroupId>
            artifactId>junitartifactId>
            version>${junit.version}version>
            scope>testscope>
        dependency>
        dependency>
            groupId>javax.servletgroupId>
            artifactId>javax.servlet-apiartifactId>
            version>${servlet.version}version>
            scope>providedscope>
        dependency>
        dependency>
            groupId>org.projectlombokgroupId>
            artifactId>lombokartifactId>
            version>${lombok.version}version>
            scope>providedscope>
        dependency>
        dependency>
            groupId>junitgroupId>
            artifactId>junitartifactId>
            version>4.12version>
        dependency>
    dependencies>
    build>
        finalName>ssmfinalName>
        resources>
            
            resource>
                directory>src/main/javadirectory>
                includes>
                    include>**/*.xmlinclude>
                includes>
            resource>
            
            resource>
                directory>src/main/resourcesdirectory>
                includes>
                    include>jdbc.propertiesinclude>
                    include>*.xmlinclude>
                includes>
            resource>
        resources>
        plugins>
            plugin>
                groupId>org.apache.maven.pluginsgroupId>
                artifactId>maven-compiler-pluginartifactId>
                version>${maven.compiler.plugin.version}version>
                configuration>
                    source>${maven.compiler.source}source>
                    target>${maven.compiler.target}target>
                    encoding>${project.build.sourceEncoding}encoding>
                configuration>
            plugin>
            plugin>
                groupId>org.mybatis.generatorgroupId>
                artifactId>mybatis-generator-maven-pluginartifactId>
                version>1.3.2version>
                dependencies>
                    
                    dependency>
                        groupId>mysqlgroupId>
                        artifactId>mysql-connector-javaartifactId>
                        version>${mysql.version}version>
                    dependency>
                dependencies>
                configuration>
                    overwrite>trueoverwrite>
                configuration>
            plugin>
            plugin>
                groupId>org.mortbay.jettygroupId>
                artifactId>maven-jetty-pluginartifactId>
                version>6.1.7version>
                configuration>
                    connectors>
                        connector implementation="org.mortbay.jetty.nio.SelectChannelConnector">
                            port>8888port>
                            maxIdleTime>30000maxIdleTime>
                        connector>
                    connectors>
                    webAppSourceDirectory>${project.build.directory}/${pom.artifactId}-${pom.version}
                    webAppSourceDirectory>
                    contextPath>/contextPath>
                configuration>
            plugin>
        plugins>
    build>
project>

编写配置文件applicationContext-mybatis.xml 和 applicationContext.xml

　　　注解释开发

　　　注解驱动

context:annotation-config/>

　　用注解方式注入bean，并指定查找范围：com.ht及子子孙孙包

context:component-scan base-package="com.ht"/>

引入外部jdbc配置文件

context:property-placeholder location="classpath:jdbc.properties"/>

配置dbcp2数据库连接池
spring和mybatis整合
注解式事物配置

　　配置事务管理（环绕通知）有关数据库操作的开启、提交操作都是在环绕在数据库操作的前后

bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    property name="dataSource" ref="dataSource" />
  bean>
  tx:annotation-driven transaction-manager="transactionManager" />
  aop:aspectj-autoproxy/>

开启动态代理

  aop:aspectj-autoproxy/>

　@Repository：将DAO类声明为Bean

　@Service：通常作用在业务层

   @Constroller：通常作用在控制层，将在Spring MVC中使用

   @Component：是一个泛化的概念，仅仅表示spring中的一个组件（Bean），可以作用在任何层次

   @Scope：模式声明（singleton|prototype）

   @Autowired：将自动在代码上下文与其匹配（默认是类型匹配）的Bean，并自动注入到相应的地方

   @Resource：

   1）@Resource后面没有任何内容，默认通过name属性去匹配bean，找不到再按type去匹配

   2）指定了name或者type则根据指定的类型去匹配bean

   3）指定了name和type则根据指定的name和type去匹配bean，任何一个不匹配都将报错

问题：@Autowired和@Resource两个注解的区别：

   1）@Autowired默认按照byType方式进行bean匹配，@Resource默认按照byName方式进行bean匹配

   2）@Autowired是Spring的注解，@Resource是J2EE的注解，这个看一下导入注解的时候这两个注解的包名就一清二楚了

   Spring属于第三方的，J2EE是Java自己的东西，因此，建议使用@Resource注解，以减少代码和Spring之间的耦合。

   @Transactional

   注：个人感觉注解式事务比以前的声明式事务更加麻烦，要写的东西更多

　　applicationContext-Mybatis.xml 这是spring整合mybatis 的配置文件

applicationContext-mybatis.xml

xml version="1.0" encoding="UTF-8"?>
beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
       http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
       http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">

  
  
  context:annotation-config/>
  
  context:component-scan base-package="com.ht"/>

  context:property-placeholder location="classpath:jdbc.properties"/>

  bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource"
        destroy-method="close">
    property name="driverClassName" value="${jdbc.driver}"/>
    property name="url" value="${jdbc.url}"/>
    property name="username" value="${jdbc.username}"/>
    property name="password" value="${jdbc.password}"/>
    
    property name="initialSize" value="10"/>
    
    property name="maxTotal" value="100"/>
    
    property name="maxIdle" value="50"/>
    
    property name="minIdle" value="10"/>
    
    
    property name="maxWaitMillis" value="-1"/>
  bean>

  
  
  bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    
    property name="dataSource" ref="dataSource"/>
    
    property name="mapperLocations" value="classpath*:com/ht/**/mapper/*.xml"/>
    
    property name="typeAliasesPackage" value="com/ht/**/model"/>
    
    property name="plugins">
      array>
        bean class="com.github.pagehelper.PageInterceptor">
          property name="properties">
            value>
              helperDialect=mysql
            value>
          property>
        bean>
      array>
    property>
  bean>

  
  
  bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    
    
    property name="basePackage" value="com/ht/**/mapper"/>
    property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
  bean>

  bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    property name="dataSource" ref="dataSource" />
  bean>
  tx:annotation-driven transaction-manager="transactionManager" />
  aop:aspectj-autoproxy/>
beans>

　　applicationContext.xml

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">

  
  import resource="applicationContext-mybatis.xml">import>

beans>

Spring Test+junit完美组合

　　我们来测试一下

首先在service层中创建包类

BookService

package com.ht.service;
import com.ht.Util.PageBean;
import com.ht.model.Book;
import java.util.List;
import java.util.Map;

/**
 * @author 黄大娘
 * @company dogson有限公司
 * @create  2019-09-24 20:10
 */
public interface BookService {
    int deleteByPrimaryKey(Integer bid);

    int insert(Book record);

    int insertSelective(Book record);

    Book selectByPrimaryKey(Integer bid);

    int updateByPrimaryKeySelective(Book record);

    int updateByPrimaryKey(Book record);、
}

BookServiceipml

package com.ht.service.ipml;
import com.ht.Util.PageBean;
import com.ht.mapper.BookMapper;
import com.ht.model.Book;
import com.ht.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
import java.util.Map;
/**
 * @author 黄大娘
 * @company dogson有限公司
 * @create  2019-09-24 22:58
 */
@Service
public class BookServiceIpml implements BookService {
    @Autowired
    private BookMapper bookMapper;

    @Override
    public int deleteByPrimaryKey(Integer bid) {
        return bookMapper.deleteByPrimaryKey(bid);
    }

    @Override
    public int insert(Book record) {
        return bookMapper.insert(record);
    }

    @Override
    public int insertSelective(Book record) {
        return bookMapper.insertSelective(record);
    }

    @Override
    public Book selectByPrimaryKey(Integer bid) {
        return bookMapper.selectByPrimaryKey(bid);
    }


    @Override
    public int updateByPrimaryKeySelective(Book record) {
        return bookMapper.updateByPrimaryKeySelective(record);
    }

    @Override
    public int updateByPrimaryKey(Book record) {
        return bookMapper.updateByPrimaryKey(record);
    }

}

SpringBaseTest

package com.ht.Test;
import com.ht.Util.PageBean;
import com.ht.model.Book;
import org.junit.Before;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

/**
 * @author 黄大娘
 * @company dogson有限公司
 * @create  2019-09-24 23:09
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations={"classpath:applicationContext.xml"})
public class SpringBaseTest {
    protected Book book;
    protected PageBean pageBean;

    @Before
    public void init(){
        book = new Book();
        pageBean = new PageBean();
    }
}

　　测试：

SpringBaseTestipml

package com.ht.service.ipml;
import com.ht.Test.SpringBaseTest;
import com.ht.service.BookService;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * @author 黄大娘
 * @company dogson有限公司
 * @create  2019-09-25 0:37
 */
public class SpringBaseTestipml extends SpringBaseTest {
    @Autowired
    private BookService bookService;
    @Test
    public void insert() {
        book.setBid(8);
        book.setBname("墙头马上遥相顾");
        book.setPrice(45.6);
        int n = this.bookService.insert(book);
        System.out.println(n);
    }
}

效果:

技术图片

Aop整合pagehelper插件

　　注意：记得开动态代理

@Around("execution(* *..*Service.*pager(..))")
public Object invoke(ProceedingJoinPoint args)

execution(方法修饰符方法返回值方法所属类匹配方法名 ( 方法中的形参表 ) 方法申明抛出的异常 )

"*" ：代表一个任意类型的参数；

“..”：代表零个或多个任意类型的参数。

　　设置方法接口

　　BookMapper

//用来测试的接口，一个符合规则，一个不符合规则
    List hhhh(Map map);

　　配置映射BookMapper.xml文件

　　BookService

//用来测试的接口，一个符合规则，一个不符合规则
    List hhhh(Map map,PageBean pageBean);

    List listPager (Map map, PageBean pageBean);

　　BookServiceIpml

 @Override
    public List hhhh(Map map,PageBean pageBean) {
        return this.bookMapper.hhhh(map);
    }

    @Override
    public List listPager(Map map, PageBean pageBean) {
        return this.bookMapper.hhhh(map);
    }

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文章标题：mybatis与Spring集成（Aop整合PagerAspect插件）
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mybatis与Spring集成（Aop整合PagerAspect插件）

目的：

Mybatis与spring集成

Aop整合pagehelper插件

Mybatis与spring集成

注解释开发

Aop整合pagehelper插件

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