Flex从DataGrid里取出数据，并把这些数据整理然后导出到EXCEL。代码完整，可以直接运行。-Flex remove the data from the DataGrid and collate the data and then be exported to EXCEL. Code integrity, and can be run directly.

网页版录音代码，包含开始，停止，导出.wav文件等。-Web version recording code, including start, stop, export wav file.