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# 建议先去看文档
[快速开始](https://easyexcel.opensource.alibaba.com/docs/current/) 、[常见问题](https://easyexcel.opensource.alibaba.com/qa/)
# 异常代码
```java
// 单元格坐标属性源码
public class CoordinateData {
priva…
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版本2.2.20
我在导出一个5万行的excel时,有20个列,用时在7秒左右。
通过火焰图分析,发现有大量时间(1.6秒左右)卡在了
addJavaObjectToExcel方法的beanMap.containsKey(name)上
![image](https://github.com/alibaba/easyexcel/assets/76103126/5fe8084b-b24…
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Hi, I'm unable to get the bytes of the xlsx file from the MemoryStream. the code in approach 1 generates the file but in approach 2 I get always an empty byte[]. What I'm missing here? thanks!
```…
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2023-06-30 10:04:07.817|1402|ERROR|[nio-8080-exec-1]|[TID: N/A]| c.a.p.f.i.ResponseExceptionHandler |系统异常
java.lang.IllegalArgumentException: Attempting to write a row[0] in the range [0,1901] t…
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ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream()). withTemplate(templateFileName).build())
excelWriter 和writeSheet似乎无法修改excel内的数据,如何获取excel的sheet修改模板
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ExcelWriter excelWriter = EasyExcel
.write(outputStream)
.withTemplate(getClass().getClassLoader().getResourceAsStream(fileTemplate))
.registerConver…
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# 触发场景描述
多sheet模板导出,ExcelWriter build的时候,直接oom, 模板大小900K+,是因为模板太大的缘故吗?只是加载模板,还未添加数据
# 触发Bug的代码
```java
ExcelWriter excelWriter = EasyExcel.write(path).withTemplate(templatePath).build();
```…
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**建议先去看文档**
[快速开始](https://easyexcel.opensource.alibaba.com/docs/current/) 、[常见问题](https://easyexcel.opensource.alibaba.com/qa/)
**触发场景描述**
我是在安卓中使用的,通过Debug查看后发现3.1.0和3.1.1版本的BeanMap都是使用org.spri…
gzxn updated
2 months ago
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# 问题描述,使用Web导出文件是,大对象无法被回收,导致OOM
[快速开始](https://easyexcel.opensource.alibaba.com/docs/current/) 、[常见问题](https://easyexcel.opensource.alibaba.com/qa/)
# 异常代码
```java
public void downloadDebugInfo(…