新建Excel文件，并写入默认数据

读取Excel文件数据

对已存在Excel表格数据进行添加、插入、替换操作

对已存在Excel表格数据进行行、列、单元格查询

将存在的Excel转换另存为指定分隔的文本文件

删除Excel中表格

获取Excel中总行数、总列数、当前行

获取行头数据-New Excel file, and writes the default data read Excel file data on existing Excel spreadsheet data to add, insert, replace operation on an existing Excel spreadsheet data rows, columns, cells convert Excel query will exist save as specified separator deleted text file in Excel spreadsheet get total number of rows in Excel, the total number of columns, the first line of the current row of data access