功能描述:一个很不错的日志文件写入模块，不同于

open/print/close写文件方法,这个模块使用API

存取文件，这样保证文件能正确的存取，及时被

存取的文件正被其他用户打开。这个模块是最安全

有效的文件写入方法,用于日志文件的创建，当然

也可以用于其他文件存取。-' Function Descr iption: A very nice log file is written module, different from the'　open/print/close write file method, the module uses the API ' access to documents, thus ensuring access to the file correctly and timely to be'　accessible file is opened by other users. This module is the safest ' way to write a valid file for the log files are created, and of course'　can also be used for other file access.