使用mybatis插件PageHelper实现分页效果

<dependency>
   <groupId>com.github.pagehelper</groupId>
   <artifactId>pagehelper</artifactId>
   <version>4.1.5</version>
  </dependency>

<plugins>
  <plugin interceptor="com.github.pagehelper.PageHelper">
    <property name="dialect" value="mysql"/>
    <property name="offsetAsPageNum" value="false"/>
    <property name="rowBoundsWithCount" value="false"/>
    <property name="pageSizeZero" value="true"/>
    <property name="reasonable" value="false"/>
    <property name="supportMethodsArguments" value="false"/>
    <property name="returnPageInfo" value="none"/>
  </plugin>
</plugins>

<!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
  <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    <property name="dataSource" ref="dataSource" />
    <!-- 自动扫描mapping.xml文件 -->
    <property name="mapperLocations" value="classpath:com/wang/web/mapper/*.xml"></property>
    <!-- 配置分页插件 -->
    <property name="plugins">
      <array>
        <bean class="com.github.pagehelper.PageHelper">
          <property name="properties">
            <value>
              dialect=mysql
              reasonable=true
            </value>
          </property>
        </bean>
      </array>
    </property>
  </bean>

//访问所有视频信息查询页面
  /**
   * 分页查询所有视频信息
   * @param pn 默认从第一页开始 请求参数
   * @return
   */
  @RequestMapping("/ShowMedia")
  public String Show(@RequestParam(required = false,value="pn",defaultValue="1")Integer pn, HttpServletRequest request){

    TbMediaExample example = new TbMediaExample();
    //从第一条开始 每页查询五条数据
    PageHelper.startPage(pn, 5);
    List<TbMedia> mediaList = mediaService.selectByExample(example);
    //将用户信息放入PageInfo对象里
    PageInfo pageInfo = new PageInfo(mediaList,5);
    System.out.println(pageInfo.getPages());
    request.setAttribute("pageInfo", pageInfo);
    return "/media";
  }

<div class="result-content">
   <table class="result-tab" width="100%">
   <tr>
    <th class="tc" width="5%"><input class="allChoose" name="" type="checkbox"></th>
    <th>排序</th>
    <th>ID</th>
    <th>视频标题</th>
    <th>视频资源</th>
    <th>视频图片</th>
    <th>视频描述</th>
    <th>上传时间</th>
    <th>操作</th>
   </tr>
   <c:if test="${!empty pageInfo.list }">
    <c:forEach items="${pageInfo.list}" var="media">
    <tr>
     <td class="tc"><input name="id[]" value="59" type="checkbox"></td>
     <td>
     <input name="ids[]" value="59" type="hidden">
     <input class="common-input sort-input" name="ord[]" value="0" type="text">
     </td>
     <td align="center">${media.id }</td>
     <td align="center">${media.title }</td>
     <td align="center">${media.src }</td>
     <td align="center">${media.picture }</td>
     <td align="center">${media.descript }</td>
     <td align="center">${media.uptime }</td>
     <td>
     <a class="link-update" href="<%=basePath%>user/MediaUpdate?id=${media.id }" rel="external nofollow" >修改</a>
     <a class="link-del" href="<%=basePath%>user/MediaList" rel="external nofollow" >进入视频列表</a>
                    <a class="link-del" href="javascript:del('${media.id }')" rel="external nofollow" >删除视频</a>
     </td>
    </tr>
    </c:forEach>
   </c:if>
   </table>
   <hr style="height:1px;border:none;border-top:1px solid #ccc;" />
   <!-- 分页导航栏 -->

   <!-- 分页信息 -->
   <div class="row">
   <!-- 分页文字信息，其中分页信息都封装在pageInfo中 -->
   <div class="col-md-6">
    当前第：${pageInfo.pageNum}页，总共：${pageInfo.pages}页，总共：${pageInfo.total}条记录
   </div>

   <!-- 分页条 -->
   <div class="col-md-6">
    <nav aria-label="Page navigation">
    <ul class="pagination">
     <li><a href="<%=basePath%>user/ShowMedia?pn=1" rel="external nofollow" >首页</a></li>
     <c:if test="${pageInfo.hasPreviousPage }">
     <li>
      <a href="<%=basePath%>user/ShowMedia?pn=${pageInfo.pageNum-1}" rel="external nofollow" aria-label="Previous">
      <span aria-hidden="true">«</span>
      </a>
     </li>
     </c:if>

     <c:forEach items="${pageInfo.navigatepageNums }" var="page_Num">
     <c:if test="${page_Num == pageInfo.pageNum }">
      <li class="active"><a href="#" rel="external nofollow" >${ page_Num}</a></li>
     </c:if>
     <c:if test="${page_Num != pageInfo.pageNum }">
      <li><a href="<%=basePath%>user/ShowMedia?pn=${ page_Num}" rel="external nofollow" >${ page_Num}</a></li>
     </c:if>
     </c:forEach>
     <c:if test="${pageInfo.hasNextPage }">
     <li>
      <a href="<%=basePath%>user/ShowMedia?pn=${pageInfo.pageNum+1}" rel="external nofollow" aria-label="Next">
      <span aria-hidden="true">»</span>
      </a>
     </li>
     </c:if>
     <li><a href="<%=basePath%>user/ShowMedia?pn=${pageInfo.pages}" rel="external nofollow" >末页</a></li>
    </ul>
    </nav>
  </div>
</div>