document-processing-xlsx

使用如xlsx、exceljs或SheetJS等库处理、解析、创建和操作Excel电子表格（.xlsx, .xls），用于数据的导入/导出和电子表格自动化。当需要读取Excel文件进行数据导入、生成Excel报告、将数据导出到电子表格、解析批量上传、创建财务报告、操作工作簿和工作表，或是构建数据导出功能时使用。

Document Processing - Excel Files

When to use this skill

Reading Excel files for data import and processing
Generating Excel reports and spreadsheets
Exporting application data to Excel format
Parsing bulk data uploads from spreadsheets
Creating financial reports and statements
Manipulating workbooks, worksheets, and cells
Building CSV to Excel converters
Creating templates for data entry
Extracting data from uploaded spreadsheets
Generating dynamic Excel reports with formulas
Handling large dataset imports from Excel
Building data export and reporting features

When to use this skill

Creating, parsing Excel spreadsheets.
When working on related tasks or features
During development that requires this expertise

Use when: Creating, parsing Excel spreadsheets.

Example

```typescript import * as XLSX from 'xlsx';

const ws = XLSX.utils.aoa_to_sheet([[1, 2], [3, 4]]); const wb = XLSX.utils.book_new(); XLSX.utils.book_append_sheet(wb, ws, "Sheet1"); ```

Resources

SheetJS