使用easyexcel将大量数据写入excel，使用的是文件缓存还是先暂存在内存

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Description

Contributor guide

Research direction

Examine the source code of ExcelWriter to understand how data is buffered during writes. Look for temporary file usage or in memory caching. Check if there is a configuration option for cache mode. Review test cases for large data writes.

Tech stack

java

Domain

backend

Issue type

Research

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

2

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

Half day

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Active

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Clear

Prerequisites

JavaGit

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

70