mybatis分页插件pageHelper详解及简单实例

<!-- 分页助手 --><dependency><groupId>com.github.pagehelper</groupId><artifactId>pagehelper</artifactId><version>3.7.5</version></dependency>

<?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> <!-- 分页助手 --> <plugins>  <!-- com.github.pagehelper为PageHelper类所在包名 -->  <plugin interceptor="com.github.pagehelper.PageHelper">  <!-- 数据库方言 -->    <property name="dialect" value="MySQL"/>    <!-- 设置为true时，使用RowBounds分页会进行count查询 会去查询出总数 -->    <property name="rowBoundsWithCount" value="true"/>  </plugin></plugins> </configuration>

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="dataSource" />

<property name="configLocation" value="classpath:mybatis-config.xml"></property>

<property name="mapperLocations" value="classpath:com/lyitong/mapping/*.xml"></property>

<typeAliases>    <!-- javabean 的首字母小写的非限定类名来作为它的别名（其实别名是不去分大小写的）。也可在javabean 加上注解@Alias 来自定义别名， 例如： @Alias(student) -->    <package name="com.lyt.usermanage.mapper"/>  </typeAliases>

 <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">    <property name="dataSource" ref="dataSource" />    <!-- 加载全局的配置文件 -->    <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"></property>    <!-- 配置mapper的扫描，找到所有的mapper.xml映射文件。 -->    <property name="mapperLocations" value="classpath:com/lyt/usermanage/mapper/*.xml"></property>    <!-- 配置类型别名 -->    <property name="typeAliasesPackage" value="classpath:com/lyt/usermanage/pojo/*"></property>  </bean>

    <property name="typeAliasesPackage" value="classpath:com/lyt/usermanage/pojo/*"></property>

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="dataSource" /><property name="mapperLocations" value="classpath:com/lyitong/mapping/*.xml"></property><!-- pageHelper 分页插件 --><property name="plugins">  <array>   <bean class="com.github.pagehelper.PageHelper">    <property name="properties">     <value>      dialect=mysql      rowBoundsWithCount=true     </value>    </property>   </bean>  </array></property></bean>

PageHelper.startPage(Integer.parseInt(currentPage), Integer.parseInt(pageSize));  List<LytBbsTz> publishTz = bbsTzDao.getPublishTz(userId);  PageInfo<LytBbsTz> info = new PageInfo<LytBbsTz>(publishTz);  map.put("status", 1);  map.put("tzList", info.getList());  return map;

@RequestParam(defaultValue="1",value="currentPage")String currentPage, @RequestParam(defaultValue="10",value="pageSize")String pageSize