bitmap图片读取程序以及导出bitmap图片调色板数据-bitmap images to read the program and export bitmap picture palette data

导出DBGridEh表格数据到excel的空间，支持多表头，其中用到了xlsreadwrite控件-Export data to excel spreadsheet DBGridEh space, support multi-table first, which uses a control xlsreadwrite

读取8位深度的bmp文件,可以导出颜色表及数据-Read the 8 depth of the BMP file, you can export the color table and data