清除这个资料流的缓冲区,让所有缓冲资料全部写入档案。
Clears buffers for this stream and causes any buffered data to be written to the file.
当所有数据全部写入之后,就需要设置eof(文件结束参数)。
When all the data have been written, set the eof (end-of-file) argument.
注意:要确定您可以找到指定术语的所有匹配项,并且由于这些术语对于底层字典是未知的,需要全部使用小写字母写入术语。
Note: To make sure, that you can find all occurrences of the specified terms, and because these terms are not known by the underlying dictionary, write the terms in all lower-case letters.
应用推荐