From ecad870fe1896c8c3e48506d50bb5818974253bf Mon Sep 17 00:00:00 2001
From: fangyuan <527392886@qq.com>
Date: 星期一, 16 一月 2023 11:33:58 +0800
Subject: [PATCH] 机场公安前后端联调内容
---
ycl-platform/src/main/java/com/ycl/controller/NewsColumnInformationController.java | 41 +++++++++++++++++++++++++++++++++++++----
1 files changed, 37 insertions(+), 4 deletions(-)
diff --git a/ycl-platform/src/main/java/com/ycl/controller/NewsColumnInformationController.java b/ycl-platform/src/main/java/com/ycl/controller/NewsColumnInformationController.java
index 3602d24..538a5f9 100644
--- a/ycl-platform/src/main/java/com/ycl/controller/NewsColumnInformationController.java
+++ b/ycl-platform/src/main/java/com/ycl/controller/NewsColumnInformationController.java
@@ -3,13 +3,17 @@
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.api.ApiController;
import com.baomidou.mybatisplus.extension.api.R;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
import com.ycl.entity.NewsColumnInformation;
import com.ycl.entity.NewsInformation;
import com.ycl.service.NewsColumnInformationService;
import com.ycl.service.NewsInformationService;
+import com.ycl.vo.depart.UmsDepartVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
@@ -18,7 +22,10 @@
import javax.annotation.Resource;
import java.io.Serializable;
import java.util.ArrayList;
+import java.util.Collections;
import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
/**
* 鏍忕洰鍜ㄨ涓棿琛�(NewsColumnInformation)琛ㄦ帶鍒跺眰
@@ -106,13 +113,39 @@
* @return 璧勮鏌ヨ缁撴灉
*/
@GetMapping("column/{id}")
- @ApiOperation(value = "鎸�")
- public R selectInformationByColumnId(@PathVariable Serializable id) {
+ @ApiOperation(value = "鎸夋爮鐩甶d鏌ヨ璁伅")
+ public R selectInformationByColumnId(@PathVariable Serializable id ,@RequestParam(value = "pageNum", required = false,defaultValue = "1")Integer pageNum,@RequestParam(value = "pageSize", required = false,defaultValue = "10")Integer pageSize) {
List<NewsColumnInformation> newsColumnInformationList = newsColumnInformationService.list(new QueryWrapper<NewsColumnInformation>().eq("column_id", id));
List<NewsInformation> resultList=new ArrayList<>();
+ IPage<NewsInformation> page = new Page<>(pageNum, pageSize);
for (NewsColumnInformation newsColumnInformation:newsColumnInformationList){
resultList.add(newsInformationService.selectInformationById(newsColumnInformation.getInformationId()));
}
- return success(resultList);
- }}
+ page.setTotal(resultList.size());
+ if (pageSize>resultList.size()){
+ page.setRecords(resultList);
+ }
+ else {
+ List<List<NewsInformation>> lists = split8(resultList, pageSize);
+ page.setRecords(lists.get(pageNum-1));
+ }
+ return success(page);
+ }
+
+ public static <T> List<List<T>> split8(List<T> list,int splitSize){
+ // 姣忎唤涓暟 splitSize
+ if( null == list || list.isEmpty() ){ return Collections.emptyList(); }
+ // 鍒楄〃鍏冪礌鏁帮紝鎬讳唤鏁�
+ int size = list.size(), cnt = (size + splitSize - 1 ) / splitSize;
+ return Stream
+ .iterate(0,i -> i+1 )
+ .limit(cnt)
+ .parallel()
+ .map(i -> list.parallelStream().skip( i * splitSize ).limit(splitSize).collect(Collectors.toList()))
+ .filter(a -> !a.isEmpty())
+ .collect(Collectors.toList());
+ }
+
+
+}
--
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