excel文件转换成文本文件，包括了阴影按钮，和excel文件格式的提取 -excel convert documents into text documents, including a shadow on the button, and excel file format extraction

微软水晶报表应用程序实例,水晶报表可以导出来PDF或EXCEL格式的文件,(Microsoft crystal statements application instance, crystal reports can be exported to PDF or EXCEL format file,)