路口管理-pagehelper分页查询

signal-web-service/src/main/java/net/wanji/web/service/TBaseCrossInfoService.java

@@ -3,6 +3,8 @@ package net.wanji.web.service;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
 import net.wanji.web.common.Result;
 import net.wanji.web.entity.TBaseAreaInfo;
 import net.wanji.web.entity.TBaseCrossInfo;
@@ -48,14 +50,17 @@ public class TBaseCrossInfoService extends ServiceImpl<TBaseCrossInfoMapper, TBa
      * @return {@link Result}<{@link PageResultPO}<{@link CrossInfoPO}>>
      */
     public Result<PageResultPO<CrossInfoPO>> selectAll(CrossInfoVO crossInfoVO) {
-        PageResultPO<CrossInfoPO> pageResult = new PageResultPO<>();
-        Integer count = crossInfoMapper.countSelectAll(crossInfoVO);
+        PageResultPO<CrossInfoPO> page = new PageResultPO<>();
+        PageHelper.startPage(crossInfoVO.getPageNum(), crossInfoVO.getPageSize());
+        //Integer count = crossInfoMapper.countSelectAll(crossInfoVO);
         List<CrossInfoPO> list = crossInfoMapper.selectAll(crossInfoVO);
-        pageResult.setPageNum(crossInfoVO.getPageNum());
-        pageResult.setPageSize(crossInfoVO.getPageSize());
-        pageResult.setTotal(count);
-        pageResult.setData(list);
-        return Result.success(pageResult);
+        PageInfo<CrossInfoPO> borrowPOPageInfo = new PageInfo<>(list);
+        page.setPageNum(crossInfoVO.getPageNum());
+        page.setPageSize(crossInfoVO.getPageSize());
+
+        page.setTotal((int)borrowPOPageInfo.getTotal());
+        page.setData(list);
+        return Result.success(page);
     }
 
     /**

signal-web-service/src/main/resources/mapper/TBaseCrossInfoMapper.xml

@@ -207,9 +207,9 @@
                 and c.is_send = #{isSend}
             </if>
         </where>
-        <if test="pageNum != null and pageSize != null">
+        <!--<if test="pageNum != null and pageSize != null">
             limit #{startNum}, #{pageSize}
-        </if>
+        </if>-->
     </select>
     <select id="countSelectAll" parameterType="net.wanji.web.vo.CrossInfoVO" resultType="integer">
         select count(1)