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Fast, Low-Memory, Easy Excel .NET helper to import/export/template spreadsheet (support Linux, Mac)

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![image](https://github.com/mini-software/MiniExcel/assets/12729184/eada8c7d-b65b-42b3-b065-e2bfe0480abf) ``` fail: Microsoft.AspNetCore.Server.Kestrel[13] Connection id "0HN0IL3TK5Q12", Request id "0HN0IL3TK5Q12:00000001": An unhandled exception was thrown by the application. System.InvalidOperationException: Todo un-ignore properties count can't be 0 at MiniExcelLibs.Utils.CustomPropertyHelper.GetSaveAsProperties(Type, Configuration) +...

help wanted

1.使用自定义转换器读写Excel (我们有时候需要从excel读取数据处理成一个复杂类型,写入时再转换为简单数据) ``` public class ExcelColumnAttribute : Attribute { /// /// Excel列值转换器 /// public IValueConverter Converter { get; set; } = IValueConverter.Defualt; } /// /// Excel列值转换器 /// public interface IValueConverter...

IDictionary的顺序应该是乱序的吧? 但 MiniExcel的每个row,遍历打印时,却顺序是固定的。 能解释一下,这是为什么嘛?

### MiniExcel Version 1.31.2 ### Description 1. 文件导出,数据量较大,达到10万级。 2. 采用分页查询,每次向文件流写入数据。 3. 是用csv导出会有科学记数法问题(csv没有类型判断,excel程序默认纯数字文本为数字类型,但是有精度限制会导致精度丢失),所以只能采用xlsx文件格式导出

help wanted

我在字段中试过用byte 图片绝对路径 都是只能显示文字,文档中也没找到如何导出图片,可能是我没找到。所有在这里问一下我要通过什么样的方式才能把图片通过模板导出的方式放入excel中呢?

help wanted

Hello, I need to load data in the following example, including the first row public class UserAccount { [ExcelColumnIndex(0)] public Guid ID { get; set; } [ExcelColumnIndex(1)] public string Name...

help wanted

### Excel Type - [v ] XLSX - [ ] XLSM - [ ] CSV - [ ] OTHER ### Upload Excel File [CustomsModel.xlsx](https://github.com/mini-software/MiniExcel/files/13361134/CustomsModel.xlsx) Please attach your issue file by...

help wanted

### Excel Type - [x] XLSX - [ ] XLSM - [ ] CSV - [ ] OTHER ### MiniExcel Version 1.31.2 ### Description When filling data using a template...

help wanted

可以支持XLS格式,目前很多Excel 文档还在用此格式

help wanted

能否添加支持xls文件格式的导入,工作中很多时候都要处理xls的文件,但是发现miniexcel并不支持