From cddfcdf68ff7fff6b1be82bc5edf822458de6749 Mon Sep 17 00:00:00 2001
From: pang.jiabao <pang_jiabao@163.com>
Date: 星期四, 18 四月 2024 10:35:23 +0800
Subject: [PATCH] 商品档案全量导出修改
---
src/main/java/com/zy/asrs/controller/MatController.java | 69 +++++++++++++++++++++++++++++++---
1 files changed, 62 insertions(+), 7 deletions(-)
diff --git a/src/main/java/com/zy/asrs/controller/MatController.java b/src/main/java/com/zy/asrs/controller/MatController.java
index 62f533e..1acf4fe 100644
--- a/src/main/java/com/zy/asrs/controller/MatController.java
+++ b/src/main/java/com/zy/asrs/controller/MatController.java
@@ -1,6 +1,8 @@
package com.zy.asrs.controller;
import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.ExcelWriter;
+import com.alibaba.excel.write.metadata.WriteSheet;
import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
@@ -25,6 +27,7 @@
import com.zy.common.utils.BarcodeUtils;
import com.zy.common.utils.QrCode;
import com.zy.common.web.BaseController;
+import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;
@@ -34,10 +37,12 @@
import javax.servlet.http.HttpServletResponse;
import java.awt.image.BufferedImage;
import java.io.IOException;
+import java.io.OutputStream;
import java.net.URLEncoder;
import java.util.*;
@RestController
+@Slf4j
public class MatController extends BaseController {
@Autowired
@@ -179,13 +184,63 @@
@RequestMapping(value = "/mat/export/auth")
@ManagerAuth
- public R export(@RequestBody JSONObject param){
- EntityWrapper<Mat> wrapper = new EntityWrapper<>();
- List<String> fields = JSONObject.parseArray(param.getJSONArray("fields").toJSONString(), String.class);
- Map<String, Object> map = excludeTrash(param.getJSONObject("mat"));
- convert(map, wrapper);
- List<Mat> list = matService.selectList(wrapper);
- return R.ok(exportSupport(list, fields));
+ public void export(@RequestBody JSONObject param, HttpServletResponse response) throws IOException {
+ //鏂囦欢鍚�
+ String fileName =String.valueOf(System.currentTimeMillis());
+
+ OutputStream outputStream =null;
+ try {
+ //璁板綍鎬绘暟:瀹為檯涓渶瑕佹牴鎹煡璇㈡潯浠惰繘琛岀粺璁″嵆鍙�:涓�鍏卞灏戞潯
+ int totalCount=matService.selectCount(null);
+ //姣忎竴涓猄heet瀛樻斁100w鏉℃暟鎹�
+ Integer sheetDataRows = 400000;
+ //姣忔鍐欏叆鐨勬暟鎹噺20w,姣忛〉鏌ヨ20W
+ Integer writeDataRows = 200000;
+ //璁＄畻闇�瑕佺殑Sheet鏁伴噺
+ Integer sheetNum = totalCount % sheetDataRows == 0 ? (totalCount / sheetDataRows) : (totalCount / sheetDataRows + 1);
+ //璁＄畻涓�鑸儏鍐典笅姣忎竴涓猄heet闇�瑕佸啓鍏ョ殑娆℃暟(涓�鑸儏鍐典笉鍖呭惈鏈�鍚庝竴涓猻heet,鍥犱负鏈�鍚庝竴涓猻heet涓嶇‘瀹氫細鍐欏叆澶氬皯鏉℃暟鎹�)
+ Integer oneSheetWriteCount = sheetDataRows / writeDataRows;
+ //璁＄畻鏈�鍚庝竴涓猻heet闇�瑕佸啓鍏ョ殑娆℃暟
+ Integer lastSheetWriteCount = totalCount % sheetDataRows == 0 ? oneSheetWriteCount : (totalCount % sheetDataRows % writeDataRows == 0 ? (totalCount / sheetDataRows / writeDataRows) : ((totalCount % sheetDataRows) / writeDataRows + 1));
+ outputStream = response.getOutputStream();
+ //蹇呴』鏀惧埌寰幆澶栵紝鍚﹀垯浼氬埛鏂版祦
+ ExcelWriter excelWriter = EasyExcel.write(outputStream).build();
+ //寮�濮嬪垎鎵规煡璇㈠垎娆″啓鍏�
+ for (int i = 0; i < sheetNum; i++) {
+ //鍒涘缓Sheet
+ WriteSheet sheet = new WriteSheet();
+ sheet.setSheetName("Sheet"+i);
+ sheet.setSheetNo(i);
+ //寰幆鍐欏叆娆℃暟: j鐨勮嚜澧炴潯浠舵槸褰撲笉鏄渶鍚庝竴涓猄heet鐨勬椂鍊欏啓鍏ユ鏁颁负姝ｅ父鐨勬瘡涓猄heet鍐欏叆鐨勬鏁�,濡傛灉鏄渶鍚庝竴涓氨闇�瑕佷娇鐢ㄨ绠楃殑娆℃暟lastSheetWriteCount
+ for (int j = 0; j < (i != sheetNum - 1 ? oneSheetWriteCount : lastSheetWriteCount); j++) {
+ //鍒嗛〉鏌ヨ涓�娆�20w
+ Page page1 = new Page(j + 1 + oneSheetWriteCount * i, writeDataRows);
+ //鏌ヨ鍒嗛〉鍒楄〃---鎸夌収鑷繁鐨勪笟鍔℃煡鍒楄〃锛屽垎椤佃繖涓竴瀹氳浣跨敤杩欎釜锛歱age1.getPageNum(),page1.getPageSize()锛侊紒锛�
+ List<Mat> list = matService.selectPage(new Page<>(page1.getCurrent(), page1.getLimit())).getRecords();
+// List<AltitudeMonExportExcelVO > SurfDayList = new ArrayList<>();
+ //鍐欏叆鍒癳xcel:
+ /**************z鍙渶瑕侀�夋嫨涓�绉嶆柟寮忓嵆鍙�*****************/
+ //杩欓噷鍙互閫氳繃璁剧疆includeColumnFiledNames銆乪xcludeColumnFiledNames瀵煎嚭浠�涔堝瓧娈碉紝鍙互鍔ㄦ�侀厤缃紝鍓嶇浼犺繃鏉ラ偅浜涘垪锛屽氨瀵煎嚭閭ｄ簺鍒�
+ //鏂瑰紡3銆佷笉鍋氳缃紝鍏ㄩ儴瀵煎嚭
+ WriteSheet writeSheet = EasyExcel.writerSheet(i, "Sheet" + (i + 1)).head(Mat.class)
+ .registerWriteHandler(new LongestMatchColumnWidthStyleStrategy()).build();
+ excelWriter.write(list, writeSheet);
+ }
+ }
+ // 涓嬭浇EXCEL锛岃繑鍥炵粰鍓嶆stream娴�
+ response.setContentType("application/octet-stream");
+ response.setCharacterEncoding("utf-8");
+ response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".xlsx");
+ excelWriter.finish();
+ outputStream.flush();
+ outputStream.close();
+ } catch (Exception e) {
+ e.printStackTrace();
+ }finally {
+ if (outputStream != null) {
+ outputStream.close();
+ }
+ }
}
@RequestMapping(value = "/matQuery/auth")
--
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