QS我也没用过，是一个外国人做的哦。对FLEX学习有很大帮助。-QS I have not used a foreigner to do Oh. Of the FLEX study of much help.

Flex的英文帮助文档，很实用，里面有很多实例程序直接可以运行-Flex help documentation in English, it is useful, there are many examples of programs can be run directly