From 923d3cae54bb80886276c362c1fc89abbca1ddfc Mon Sep 17 00:00:00 2001
From: bryan <690158801@qq.com>
Date: Fri, 14 Mar 2025 10:55:40 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E4=BD=BF=E7=94=A8=E4=B8=B4?=
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---
 .../main/java/com/alibaba/excel/EasyExcelFactory.java  | 10 ++++++++++
 .../alibaba/easyexcel/test/demo/write/WriteTest.java   |  6 ++++++
 2 files changed, 16 insertions(+)

diff --git a/easyexcel-core/src/main/java/com/alibaba/excel/EasyExcelFactory.java b/easyexcel-core/src/main/java/com/alibaba/excel/EasyExcelFactory.java
index 80c40851..42637cb8 100644
--- a/easyexcel-core/src/main/java/com/alibaba/excel/EasyExcelFactory.java
+++ b/easyexcel-core/src/main/java/com/alibaba/excel/EasyExcelFactory.java
@@ -10,6 +10,7 @@ import com.alibaba.excel.read.listener.ReadListener;
 import com.alibaba.excel.write.builder.ExcelWriterBuilder;
 import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder;
 import com.alibaba.excel.write.builder.ExcelWriterTableBuilder;
+import org.apache.poi.openxml4j.opc.ZipPackage;
 
 /**
  * Reader and writer factory class
@@ -18,6 +19,15 @@ import com.alibaba.excel.write.builder.ExcelWriterTableBuilder;
  */
 public class EasyExcelFactory {
 
+    /**
+     * @param tempFilePackageParts whether to save package part data in temp files to save memory
+     * default is false
+     * Temporary files prevent OOM, particularly during image export operations.
+     */
+    public static void useTempFilePackageParts(boolean tempFilePackageParts) {
+        ZipPackage.setUseTempFilePackageParts(tempFilePackageParts);
+    }
+
     /**
      * Build excel the write
      *
diff --git a/easyexcel-test/src/test/java/com/alibaba/easyexcel/test/demo/write/WriteTest.java b/easyexcel-test/src/test/java/com/alibaba/easyexcel/test/demo/write/WriteTest.java
index 0e7cf2db..1ee0b7ec 100644
--- a/easyexcel-test/src/test/java/com/alibaba/easyexcel/test/demo/write/WriteTest.java
+++ b/easyexcel-test/src/test/java/com/alibaba/easyexcel/test/demo/write/WriteTest.java
@@ -94,6 +94,12 @@ public class WriteTest {
             WriteSheet writeSheet = EasyExcel.writerSheet("模板").build();
             excelWriter.write(data(), writeSheet);
         }
+
+        // 写法4
+        fileName = TestFileUtil.getPath() + "simpleWrite" + System.currentTimeMillis() + ".xlsx";
+        // 启用临时文件，影响全局
+        EasyExcel.useTempFilePackageParts(true);
+        EasyExcel.write(fileName, DemoData.class).sheet("模板").doWrite(data());
     }
 
     /**