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      <font id="d2xhp"></font>
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                mybatis与spring集成

                1、Mybatisspring集成

                2、Aop整合pagehelper插件

                 

                Mybatisspring集成

                 

                1、导入pom依赖

                  注:使用mybatis-generator插件,pom文件添加支持  

                 

                <?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>com.lingerqi</groupId>
                  <artifactId>mybatis</artifactId>
                  <version>1.0-SNAPSHOT</version>
                  <packaging>war</packaging>
                
                  <name>mybatis Maven Webapp</name>
                  <!-- FIXME change it to the project‘s website -->
                  <url>http://www.example.com</url>
                  <properties>
                    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
                    <maven.compiler.source>1.7</maven.compiler.source>
                    <maven.compiler.target>1.7</maven.compiler.target>
                    <maven.compiler.plugin.version>3.7.0</maven.compiler.plugin.version>
                
                    <!--添加jar包依赖-->
                    <!--1.spring 5.0.2.RELEASE相关-->
                    <spring.version>5.0.2.RELEASE</spring.version>
                    <!--2.mybatis相关-->
                    <mybatis.version>3.4.5</mybatis.version>
                    <!--mysql-->
                    <mysql.version>5.1.44</mysql.version>
                    <!--pagehelper分页jar依赖-->
                    <pagehelper.version>5.1.2</pagehelper.version>
                    <!--mybatis与spring集成jar依赖-->
                    <mybatis.spring.version>1.3.1</mybatis.spring.version>
                    <!--3.dbcp2连接池相关 druid-->
                    <commons.dbcp2.version>2.1.1</commons.dbcp2.version>
                    <commons.pool2.version>2.4.3</commons.pool2.version>
                    <!--4.log日志相关-->
                    <log4j2.version>2.9.1</log4j2.version>
                    <!--5.其他-->
                    <junit.version>4.12</junit.version>
                    <servlet.version>4.0.0</servlet.version>
                    <lombok.version>1.18.2</lombok.version>
                  </properties>
                
                  <dependencies>
                    <!--1.spring相关-->
                    <dependency>
                      <groupId>org.springframework</groupId>
                      <artifactId>spring-core</artifactId>
                      <version>${spring.version}</version>
                    </dependency>
                    <dependency>
                      <groupId>org.springframework</groupId>
                      <artifactId>spring-beans</artifactId>
                      <version>${spring.version}</version>
                    </dependency>
                    <dependency>
                      <groupId>org.springframework</groupId>
                      <artifactId>spring-context</artifactId>
                      <version>${spring.version}</version>
                    </dependency>
                    <dependency>
                      <groupId>org.springframework</groupId>
                      <artifactId>spring-orm</artifactId>
                      <version>${spring.version}</version>
                    </dependency>
                    <dependency>
                      <groupId>org.springframework</groupId>
                      <artifactId>spring-tx</artifactId>
                      <version>${spring.version}</version>
                    </dependency>
                    <dependency>
                      <groupId>org.springframework</groupId>
                      <artifactId>spring-aspects</artifactId>
                      <version>${spring.version}</version>
                    </dependency>
                    <dependency>
                      <groupId>org.springframework</groupId>
                      <artifactId>spring-web</artifactId>
                      <version>${spring.version}</version>
                    </dependency>
                
                    <dependency>
                      <groupId>org.springframework</groupId>
                      <artifactId>spring-test</artifactId>
                      <version>${spring.version}</version>
                    </dependency>
                
                
                    <!--2.mybatis相关-->
                    <dependency>
                      <groupId>org.mybatis</groupId>
                      <artifactId>mybatis</artifactId>
                      <version>${mybatis.version}</version>
                    </dependency>
                    <!--mysql-->
                    <dependency>
                      <groupId>mysql</groupId>
                      <artifactId>mysql-connector-java</artifactId>
                      <version>${mysql.version}</version>
                    </dependency>
                    <!--pagehelper分页插件jar包依赖-->
                    <dependency>
                      <groupId>com.github.pagehelper</groupId>
                      <artifactId>pagehelper</artifactId>
                      <version>${pagehelper.version}</version>
                    </dependency>
                    <!--mybatis与spring集成jar包依赖-->
                    <dependency>
                      <groupId>org.mybatis</groupId>
                      <artifactId>mybatis-spring</artifactId>
                      <version>${mybatis.spring.version}</version>
                    </dependency>
                    <!--3.dbcp2连接池相关-->
                    <dependency>
                      <groupId>org.apache.commons</groupId>
                      <artifactId>commons-dbcp2</artifactId>
                      <version>${commons.dbcp2.version}</version>
                    </dependency>
                    <dependency>
                      <groupId>org.apache.commons</groupId>
                      <artifactId>commons-pool2</artifactId>
                      <version>${commons.pool2.version}</version>
                    </dependency>
                    <!--4.log日志相关依赖-->
                    <!--核心log4j2jar包-->
                    <dependency>
                      <groupId>org.apache.logging.log4j</groupId>
                      <artifactId>log4j-core</artifactId>
                      <version>${log4j2.version}</version>
                    </dependency>
                    <dependency>
                      <groupId>org.apache.logging.log4j</groupId>
                      <artifactId>log4j-api</artifactId>
                      <version>${log4j2.version}</version>
                    </dependency>
                    <!--web工程需要包含log4j-web,非web工程不需要-->
                    <dependency>
                      <groupId>org.apache.logging.log4j</groupId>
                      <artifactId>log4j-web</artifactId>
                      <version>${log4j2.version}</version>
                    </dependency>
                
                    <!--5.其他-->
                    <dependency>
                      <groupId>junit</groupId>
                      <artifactId>junit</artifactId>
                      <version>${junit.version}</version>
                      <scope>test</scope>
                    </dependency>
                    <dependency>
                      <groupId>javax.servlet</groupId>
                      <artifactId>javax.servlet-api</artifactId>
                      <version>${servlet.version}</version>
                      <scope>provided</scope>
                    </dependency>
                    <dependency>
                      <groupId>org.projectlombok</groupId>
                      <artifactId>lombok</artifactId>
                      <version>${lombok.version}</version>
                      <scope>provided</scope>
                    </dependency>
                  </dependencies>
                
                  <build>
                    <finalName>mybatis</finalName>
                    <resources>
                      <!--解决mybatis-generator-maven-plugin运行时没有将XxxMapper.xml文件放入target文件夹的问题-->
                      <resource>
                        <directory>src/main/java</directory>
                        <includes>
                          <include>**/*.xml</include>
                        </includes>
                      </resource>
                      <!--解决mybatis-generator-maven-plugin运行时没有将jdbc.properites文件放入target文件夹的问题-->
                      <resource>
                        <directory>src/main/resources</directory>
                        <includes>
                          <include>jdbc.properties</include>
                          <include>*.xml</include>
                        </includes>
                      </resource>
                    </resources>
                
                    <pluginManagement>
                      <plugins>
                        <plugin>
                          <groupId>org.apache.maven.plugins</groupId>
                          <artifactId>maven-compiler-plugin</artifactId>
                          <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.generator</groupId>
                          <artifactId>mybatis-generator-maven-plugin</artifactId>
                          <version>1.3.2</version>
                          <dependencies>
                            <!--使用Mybatis-generator插件不能使用太高版本的mysql驱动 -->
                            <dependency>
                              <groupId>mysql</groupId>
                              <artifactId>mysql-connector-java</artifactId>
                              <version>${mysql.version}</version>
                            </dependency>
                          </dependencies>
                          <configuration>
                            <overwrite>true</overwrite>
                          </configuration>
                        </plugin>
                      </plugins>
                    </pluginManagement>
                
                  </build>
                </project>
                

                 

                2、利用mybatis逆向工程生成模型层层代码

                generatorConfig.xml:

                 

                <?xml version="1.0" encoding="UTF-8" ?>
                <!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
                        "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd" >
                <generatorConfiguration>
                    <!-- 引入配置文件 -->
                    <properties resource="jdbc.properties"/>
                
                    <!--指定数据库jdbc驱动jar包的位置-->
                
                    <classPathEntry location="E:\\mvn\\mvn_repository\\mysql\\mysql-connector-java\\5.1.44\\mysql-connector-java-5.1.44.jar"/>
                
                    <!-- 一个数据库一个context -->
                    <context id="infoGuardian">
                        <!-- 注释 -->
                        <commentGenerator>
                            <property name="suppressAllComments" value="true"/><!-- 是否取消注释 -->
                            <property name="suppressDate" value="true"/> <!-- 是否生成注释代时间戳 -->
                        </commentGenerator>
                
                        <!-- jdbc连接 -->
                        <jdbcConnection driverClass="${jdbc.driver}"
                                        connectionURL="${jdbc.url}" userId="${jdbc.username}" password="${jdbc.password}"/>
                
                        <!-- 类型转换 -->
                        <javaTypeResolver>
                            <!-- 是否使用bigDecimal, false可自动转化以下类型(Long, Integer, Short, etc.) -->
                            <property name="forceBigDecimals" value="false"/>
                        </javaTypeResolver>
                
                        <!-- 01 指定javaBean生成的位置 -->
                        <!-- targetPackage:指定生成的model生成所在的包名 -->
                        <!-- targetProject:指定在该项目下所在的路径  -->
                        <javaModelGenerator targetPackage="com.lingerqi.model"
                                            targetProject="src/main/java">
                            <!-- 是否允许子包,即targetPackage.schemaName.tableName -->
                            <property name="enableSubPackages" value="false"/>
                            <!-- 是否对model添加构造函数 -->
                            <property name="constructorBased" value="true"/>
                            <!-- 是否针对string类型的字段在set的时候进行trim调用 -->
                            <property name="trimStrings" value="false"/>
                            <!-- 建立的Model对象是否 不可改变  即生成的Model对象不会有 setter方法,只有构造方法 -->
                            <property name="immutable" value="false"/>
                        </javaModelGenerator>
                
                        <!-- 02 指定sql映射文件生成的位置 -->
                        <sqlMapGenerator targetPackage="com.lingerqi.mapper"
                                         targetProject="src/main/java">
                            <!-- 是否允许子包,即targetPackage.schemaName.tableName -->
                            <property name="enableSubPackages" value="false"/>
                        </sqlMapGenerator>
                
                        <!-- 03 生成XxxMapper接口 -->
                        <!-- type="ANNOTATEDMAPPER",生成Java Model 和基于注解的Mapper对象 -->
                        <!-- type="MIXEDMAPPER",生成基于注解的Java Model 和相应的Mapper对象 -->
                        <!-- type="XMLMAPPER",生成SQLMap XML文件和独立的Mapper接口 -->
                        <javaClientGenerator targetPackage="com.lingerqi.mapper"
                                             targetProject="src/main/java" type="XMLMAPPER">
                            <!-- 是否在当前路径下新加一层schema,false路径com.oop.eksp.user.model, true:com.oop.eksp.user.model.[schemaName] -->
                            <property name="enableSubPackages" value="false"/>
                        </javaClientGenerator>
                
                        <!-- 配置表信息 -->
                        <!-- schema即为数据库名 -->
                        <!-- tableName为对应的数据库表 -->
                        <!-- domainObjectName是要生成的实体类 -->
                        <!-- enable*ByExample是否生成 example类 -->
                        <!--<table schema="" tableName="t_book" domainObjectName="Book"-->
                        <!--enableCountByExample="false" enableDeleteByExample="false"-->
                        <!--enableSelectByExample="false" enableUpdateByExample="false">-->
                        <!--<!– 忽略列,不生成bean 字段 –>-->
                        <!--<!– <ignoreColumn column="FRED" /> –>-->
                        <!--<!– 指定列的java数据类型 –>-->
                        <!--<!– <columnOverride column="LONG_VARCHAR_FIELD" jdbcType="VARCHAR" /> –>-->
                        <!--</table>-->
                
                        <table schema="" tableName="t_mvc_Book" domainObjectName="Book"
                               enableCountByExample="false" enableDeleteByExample="false"
                               enableSelectByExample="false" enableUpdateByExample="false">
                        </table>
                
                    </context>
                </generatorConfiguration>
                

                 

                  mybatis.cfg.xml:

                <?xml version="1.0" encoding="UTF-8"?>
                <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">
                <configuration>
                    <!-- 引入外部配置文件 -->
                    <properties resource="jdbc.properties"/>
                
                
                    <settings>
                        <setting name="logImpl" value="LOG4J2"/>
                    </settings>
                
                
                    <!-- 别名 -->
                    <typeAliases>
                        <!--<typeAlias type="com.lingerqi.oa.model.Book" alias="Book"/>-->
                    </typeAliases>
                
                    <plugins>
                        <!-- 配置分页插件PageHelper, 4.0.0以后的版本支持自动识别使用的数据库 -->
                        <plugin interceptor="com.github.pagehelper.PageInterceptor">
                        </plugin>
                    </plugins>
                    <!-- 配置mybatis运行环境 -->
                    <environments default="development">
                        <environment id="development">
                            <!-- type="JDBC" 代表使用JDBC的提交和回滚来管理事务 -->
                            <transactionManager type="jdbc"/>
                
                            <!-- mybatis提供了3种数据源类型,分别是:POOLED,UNPOOLED,JNDI -->
                            <!-- POOLED 表示支持JDBC数据源连接池 -->
                            <!-- UNPOOLED 表示不支持数据源连接池 -->
                            <!-- JNDI 表示支持外部数据源连接池 -->
                            <dataSource type="POOLED">
                                <property name="driver"
                                          value="${jdbc.driver}"/>
                                <property name="url"
                                          value="${jdbc.url}"/>
                                <property name="username" value="${jdbc.username}"/>
                                <property name="password" value="${jdbc.password}"/>
                            </dataSource>
                        </environment>
                    </environments>
                
                
                    <mappers>
                        <mapper resource="com/lingerqi/mapper/BookMapper.xml"/>
                    </mappers>
                </configuration>
                

                  

                3、编写配置文件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">
                    <!--1. 注解式开发 -->
                    <!-- 注解驱动 -->
                    <context:annotation-config/>
                    <!-- 用注解方式注入bean,并指定查找范围:com.lingerqi及子子孙孙包-->
                    <context:component-scan base-package="com.lingerqi"/>
                
                    <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}"/>
                        <!--初始连接数-->
                        <property name="initialSize" value="10"/>
                        <!--最大活动连接数-->
                        <property name="maxTotal" value="100"/>
                        <!--最大空闲连接数-->
                        <property name="maxIdle" value="50"/>
                        <!--最小空闲连接数-->
                        <property name="minIdle" value="10"/>
                        <!--设置为-1时,如果没有可用连接,连接池会一直无限期等待,直到获取到连接为止。-->
                        <!--如果设置为N(毫秒),则连接池会等待N毫秒,等待不到,则抛出异常-->
                        <property name="maxWaitMillis" value="-1"/>
                    </bean>
                
                    <!--4. spring和MyBatis整合 -->
                    <!--1) 创建sqlSessionFactory-->
                    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
                        <!-- 指定数据源 -->
                        <property name="dataSource" ref="dataSource"/>
                        <!-- 自动扫描XxxMapping.xml文件,**任意路径 -->
                        <property name="mapperLocations" value="classpath*:com/lingerqi/**/mapper/*.xml"/>
                        <!-- 指定别名 -->
                        <property name="typeAliasesPackage" value="com/lingerqi/**/model"/>
                        <!--配置pagehelper插件-->
                        <property name="plugins">
                            <array>
                                <bean class="com.github.pagehelper.PageInterceptor">
                                    <property name="properties">
                                        <value>
                                            helperDialect=mysql
                                        </value>
                                    </property>
                                </bean>
                            </array>
                        </property>
                    </bean>
                
                    <!--2) 自动扫描com/lingerqi/ssm/**/mapper下的所有XxxMapper接口(其实就是DAO接口),并实现这些接口,-->
                    <!--   即可直接在程序中使用dao接口,不用再获取sqlsession对象-->
                    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
                        <!--basePackage 属性是映射器接口文件的包路径。-->
                        <!--你可以使用分号或逗号 作为分隔符设置多于一个的包路径-->
                        <property name="basePackage" value="com/lingerqi/**/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>

                4、Spring Test+junit组合

                 

                1、在工程的pom文件中增加spring-test的依赖

                 

                     <dependency>
                
                
                       <groupId>org.springframework</groupId>
                
                
                       <artifactId>spring-test</artifactId>
                
                
                       <version>${spring.version}</version>
                
                
                     </dependency>
                

                 2、 创建BaseTestCase,并在该类上加上两个注解

                   @RunWith(SpringJUnit4ClassRunner.class)

                   @ContextConfiguration(locations={"classpath:applicationContext.xml"})

                相关代码:

                service层

                package com.lingerqi.service;
                
                import com.lingerqi.model.Book;
                import com.lingerqi.model.vo.Bookvo;
                import com.lingerqi.util.PageBean;
                import org.apache.ibatis.annotations.Param;
                
                import java.util.List;
                import java.util.Map;
                
                /**
                 * @author xyls
                 * @create  2019-10-16 17:02
                 */
                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);
                
                    List<Book> selectBooksIn(List bookIds);
                
                    /**
                     *
                     * @param bname
                     * @return
                     */
                    List<Book> selectBookLike1(@Param("bname") String bname);
                
                    List<Book> selectBookLike2(@Param("bname") String bname);
                
                    List<Book> selectBookLike3(@Param("bname") String bname);
                
                    List<Book> list1();
                
                    List<Book> list2();
                
                    List<Book> list3(Bookvo bookvo);
                
                    List<Map> lsit4(Map map);
                
                    Map list5(Map map);
                    List<Map> listPager(Map map , PageBean PageBean);
                
                    List<Book> list6(Bookvo bookvo);
                
                    List<Map> aaaa(Map map,PageBean pageBean);
                }
                

                  

                package com.lingerqi.service;
                
                import com.github.pagehelper.PageHelper;
                import com.github.pagehelper.PageInfo;
                import com.lingerqi.mapper.BookMapper;
                import com.lingerqi.model.Book;
                import com.lingerqi.model.vo.Bookvo;
                import com.lingerqi.util.PageBean;
                import org.springframework.beans.factory.annotation.Autowired;
                import org.springframework.stereotype.Service;
                import org.springframework.transaction.annotation.Transactional;
                
                import java.util.List;
                import java.util.Map;
                
                /**
                 * @author xyls
                 * @create  2019-10-16 17:04
                 */
                @Service
                public class BookServiceImpl implements BookService {
                
                    @Autowired
                    private BookMapper bookMapper;
                    private List<Book> books;
                
                
                    @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);
                    }
                
                    @Override
                    public List<Book> selectBooksIn(List bookIds) {
                        return bookMapper.selectBooksIn(bookIds);
                    }
                
                    @Override
                    public List<Book> selectBookLike1(String bname) {
                        return books;
                    }
                
                    @Override
                    public List<Book> selectBookLike2(String bname) {
                        return bookMapper.selectBookLike2(bname);
                    }
                
                    @Override
                    public List<Book> selectBookLike3(String bname) {
                        return bookMapper.selectBookLike3(bname);
                    }
                
                    @Override
                    public List<Book> list1() {
                        return bookMapper.list1();
                    }
                
                    @Override
                    public List<Book> list2() {
                        return bookMapper.list2();
                    }
                
                    @Override
                    public List<Book> list3(Bookvo bookvo) {
                        return bookMapper.list3(bookvo);
                    }
                
                
                    @Override
                    public List<Map> lsit4(Map map) {
                        return bookMapper.list4(map);
                    }
                
                    @Override
                    public Map list5(Map map) {
                        return bookMapper.list5(map);
                    }
                
                    @Override
                    public List<Map> listPager(Map map, PageBean PageBean) {
                        return bookMapper.aaaa(map);
                    }
                
                    @Override
                    public List<Book> list6(Bookvo bookvo) {
                        return bookMapper.list6(bookvo);
                    }
                
                    @Override
                    public List<Map> aaaa(Map map, PageBean pageBean) {
                        return bookMapper.aaaa(map);
                    }
                
                
                }
                

                  test:

                */
                public class BookServiceImplTest extends SpringBaseTest {
                    @Autowired
                    private BookService bookService;
                
                    @Test
                    public void insert() {
                        book.setBid(1261);
                        book.setBname("不死不灭000001");
                        book.setPrice(1f);
                        this.bookService.insert(book);
                    }
                
                    @Test
                    public void selectByPrimaryKey() {
                        Book book = this.bookService.selectByPrimaryKey(1251);
                        System.out.println(book);
                    }
                

                  分享图片

                 

                 

                Aop整合pagehelper插件

                 

                注意:记得开动态代理

                 

                使用AOP编程解决分页代码重复的问题

                   @Around("execution(* *..*Service.*pager(..))")

                   public Object invoke(ProceedingJoinPoint args)

                 

                语法结构: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。

                 

                package com.lingerqi.pagerAspect;
                
                import com.github.pagehelper.PageHelper;
                import com.github.pagehelper.PageInfo;
                import com.lingerqi.util.PageBean;
                import org.aspectj.lang.ProceedingJoinPoint;
                import org.aspectj.lang.annotation.Around;
                import org.aspectj.lang.annotation.Aspect;
                import org.springframework.stereotype.Component;
                
                import java.util.List;
                
                /**
                 * @author xyls
                 * @create  2019-10-18 21:09
                 */
                @Component
                @Aspect
                public class PagerAspect {
                    @Around("execution(* *..*Service.*Pager(..))")
                    public Object invoke(ProceedingJoinPoint args) throws Throwable {
                        Object[] params = args.getArgs();
                        PageBean pageBean = null;
                        for (Object param : params) {
                            if (param instanceof PageBean) {
                                pageBean = (PageBean) param;
                                break;
                            }
                        }
                        if (pageBean!=null&&pageBean.isPagination()){
                            PageHelper.startPage(pageBean.getPage(),pageBean.getRows());
                
                        }
                        Object list = args.proceed(params);
                
                        if (pageBean!=null&&pageBean.isPagination()){
                            PageInfo pageInfo=new PageInfo((List) list);
                           pageBean.setTotal(pageInfo.getTotal()+"");
                
                        }
                        return list;
                    }
                }

                测试代码

                Mapper

                 

                BookMapper.xml

                 <select id="listPager" resultType="java.util.Map" parameterType="java.util.Map">
                        select * from t_mvc_book where bname like  #{bname}
                    </select>

                Service

                 

                   List<Map> listPager(Map map , PageBean PageBean);
                

                 

                  

                 

                impl

                 

                    @Override
                    public List<Map> listPager(Map map, PageBean PageBean) {
                        return bookMapper.aaaa(map);
                    }

                BookServiceImplTest.java

                    @Test
                    public void listpager() {
                        Map map=new HashMap();
                        map.put("bname", StringUtils.toLikeStr("天"));
                //        pageBean.setPage(1);
                        List<Map> lll = this.bookService.listPager(map, pageBean);
                        for (Map map1 : lll) {
                            System.out.println(map1);
                        }
                    }
                

                  

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