public
void readfile(string fromfilename, string tofilename)
os.close();
is.close();
} catch (ioexception e)
} catch (filenotfoundexception e) finally catch (ioexception e) }}
public
void readfile2(string fromfilename, string tofilename)
bw.close();
fw.close();
br.close();
fr.close();
} catch (filenotfoundexception e) catch (ioexception e) finally catch (ioexception e) }}
public
int getnumberoffile(string filename)
}return num;
} else
} else
return num;
}public
void deletefile(string filename)
files[i].delete();}}
deletefile(filename);
}} catch (exception e)
}public
static
void main(string args) throws ioexception
基本的I O操作
功能 開啟指定的檔案,以指定的許可權開啟 你使用一下函式需要包含的標頭檔案 include include include int open const char pathname,int flags int open const char pathname,int flags,mode t mod...
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1 io 可以分為 位元組流 字元流 例子 位元組流 讀乙個寫乙個 得到檔案 file file new file d test.txt try out.flush in.close out.close catch filenotfoundexception e catch ioexception ...
檔案的基本IO操作
檔案的io操作之讀寫.cpp 此檔案包含 main 函式。程式執行將在此處開始並結束。include include include using namespace std int main filewrite.close 怎麼輸入的,就怎麼讀出來,不然會出錯 ifstream fileread c...