打印单据时需要手工修改部分资料再按打印机打印，工具提供自动修改某部分资料，自动打印。-When printing documents and then manually modify the printer to print some of the information, tools, automatically modify a part of the information provided, automatic printing.

采用VBA编程，批量打印Excel文件，读取文件夹内所有的Excel文件，打印Excel内所有的工作表-Batch print Excel file, read all the Excel file folders, print Excel in all the work table