fstream file("book.txt",ios::in);fstream file("book.txt",ios::
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fstreamfile("book.txt",ios::in);fstreamfile("book.txt",ios::fstreamfile("book.txt",ios::in);fstreamf
fstream file("book.txt",ios::in);fstream file("book.txt",ios::
fstream file("book.txt",ios::in);fstream file("book.txt",ios::
fstream file("book.txt",ios::in);fstream file("book.txt",ios::
fstream file("book.txt",ios::in) 以输入流的方式创建文件类型变量file 输入流
fstream file("book.txt",ios::out);以输出的方式创建文件类型file 输出流
ios::app：以追加的方式打开文件
ios::ate：文件打开后定位到文件尾,ios:app就包含有此属性
ios::binary：以二进制方式打开文件,缺省的方式是文本方式.两种方式的区别见前文
ios::in：文件以输入方式打开
ios::out：文件以输出方式打开
ios::nocreate：不建立文件,所以文件不存在时打开失败
ios::noreplace：不覆盖文件,所以保存文件时如果文件存在失败
ios::trunc：如果文件存在,把文件长度设为0
可以用“或”把以上属性连接起来,如ios::out|ios::binary
fstream file(book.txt,ios::in);fstream file(book.txt,ios::
fstream file(E:
eader.txt,ios::in);什么意思
File can't be found!
file.
Sorry!Can't find the file.
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在keil3中 can't open file 'LCD_12864.c'
为会么我的KEIL中打不开 can't open file 'compiler_defs.h'显示的题是main.c(11): warning C318: can't open file 'compiler_defs.h'main.c(12): warning C318: can't open file 'C8051T600_defs.h'是怎么回事?
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i didn't ( ) ( ) that book (想起)
I can't find my English book.
Iforget my english book T l_____________at home
My book doesn't have a c_____.
编程翻译can' t upgrade file: -local data/local data mdb这是什么意思?
填动词The file wasn't very good.I __ it very much.
英语翻译Don,t know how to save to that file type