From 50ba70493c4d23e2be8b10063752df3ef9a7c937 Mon Sep 17 00:00:00 2001
From: chanxindiaolong <chanxindiaolong@gmail.com>
Date: Tue, 13 Oct 2020 17:05:31 +0800
Subject: [PATCH] =?UTF-8?q?update:=E5=AF=BC=E5=87=BAexcel=E6=97=B6?=
 =?UTF-8?q?=E8=AE=BE=E7=BD=AE=E5=88=97=E5=AE=BD=E8=87=AA=E9=80=82=E5=BA=94?=
 =?UTF-8?q?=E3=80=82=20(#506)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../src/main/java/me/zhengjie/utils/FileUtil.java           | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/eladmin-common/src/main/java/me/zhengjie/utils/FileUtil.java b/eladmin-common/src/main/java/me/zhengjie/utils/FileUtil.java
index 5edd7041..bd770eb2 100644
--- a/eladmin-common/src/main/java/me/zhengjie/utils/FileUtil.java
+++ b/eladmin-common/src/main/java/me/zhengjie/utils/FileUtil.java
@@ -21,6 +21,7 @@ import cn.hutool.poi.excel.BigExcelWriter;
 import cn.hutool.poi.excel.ExcelUtil;
 import me.zhengjie.exception.BadRequestException;
 import org.apache.poi.util.IOUtils;
+import org.apache.poi.xssf.streaming.SXSSFSheet;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.web.multipart.MultipartFile;
@@ -208,6 +209,11 @@ public class FileUtil extends cn.hutool.core.io.FileUtil {
         BigExcelWriter writer = ExcelUtil.getBigWriter(file);
         // 一次性写出内容，使用默认样式，强制输出标题
         writer.write(list, true);
+        SXSSFSheet sheet = (SXSSFSheet)writer.getSheet();
+        //上面需要强转SXSSFSheet  不然没有trackAllColumnsForAutoSizing方法
+        sheet.trackAllColumnsForAutoSizing();
+        //列宽自适应
+        writer.autoSizeColumnAll();
         //response为HttpServletResponse对象
         response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8");
         //test.xls是弹出下载对话框的文件名，不能为中文，中文请自行编码