From db289ca2f5cf3b26045af64c8b0f6e2e7c9bed40 Mon Sep 17 00:00:00 2001
From: CD <1103614279@qq.com>
Date: Thu, 20 Oct 2022 10:23:14 +0800
Subject: [PATCH] =?UTF-8?q?=E5=9B=BE=E7=89=87=E5=8F=98=E8=89=B2=E6=8A=A5?=
 =?UTF-8?q?=E9=94=99?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../SarFileCompareItemCommentServiceImpl.java    | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/compare/service/impl/SarFileCompareItemCommentServiceImpl.java b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/compare/service/impl/SarFileCompareItemCommentServiceImpl.java
index 98d61b826..c3c39bd8a 100644
--- a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/compare/service/impl/SarFileCompareItemCommentServiceImpl.java
+++ b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/compare/service/impl/SarFileCompareItemCommentServiceImpl.java
@@ -30,6 +30,7 @@ import javax.imageio.ImageIO;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
+import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.*;
 import java.nio.file.Files;
@@ -37,6 +38,7 @@ import java.nio.file.Paths;
 import java.nio.file.StandardOpenOption;
 import java.text.SimpleDateFormat;
 import java.util.*;
+import java.util.List;
 
 /**
  * @Description: 文档对比信息条款评论表
@@ -485,7 +487,19 @@ public class SarFileCompareItemCommentServiceImpl extends ServiceImpl<SarFileCom
             if (file.exists()) {
                 log.info("-------------------------将图片插入excel指定单元格中----------------------------");
                 BufferedImage bufferImg = ImageIO.read(file);
-                ImageIO.write(bufferImg, "jpg", byteArrayOut);
+                //获取文件后缀
+                String fileName = file.getName();
+                String formatName = fileName.substring(fileName.lastIndexOf(".") + 1);
+                //如果是jpg或者是jpeg，需要重画一下，否则会变色
+                if (formatName.equalsIgnoreCase("jpg") || formatName.equalsIgnoreCase("jpeg")) { //重画一下，要么会变色
+                    BufferedImage tag;
+                    tag = new BufferedImage(bufferImg.getWidth(), bufferImg.getHeight(), BufferedImage.TYPE_INT_BGR);
+                    Graphics g = tag.getGraphics();
+                    g.drawImage(bufferImg, 0, 0, null); // 绘制缩小后的图
+                    g.dispose();
+                    bufferImg = tag;
+                }
+                ImageIO.write(bufferImg, formatName, byteArrayOut);
                 //anchor主要用于设置图片的属性
                 HSSFClientAnchor anchor = new HSSFClientAnchor(0, 0, 600, 200, (short) cellNum, j + i, (short) cellNum, j + i);
                 patriarch.createPicture(anchor, workbook.addPicture(byteArrayOut.toByteArray(), HSSFWorkbook.PICTURE_TYPE_JPEG));