#include <iostream>
#include <stdio.h>
using namespace std;
class IOException{};
class FileException{};
class UndefineError{};
void my_copy(const char* src_file, const char* dest_file)
{
FILE *in_file, *out_file;
in_file = fopen(src_file, "rb");
if (in_file == NULL)
{
throw IOException();
}
out_file = fopen(dest_file, "wb");
if (out_file == NULL)
{
throw FileException();
}
char rec[1024];
size_t bytes_in, bytes_out;
while ((bytes_in = fread(rec, 1, 1024, in_file))>0)
{
bytes_out = fwrite(rec, 1, bytes_in, out_file);
if (bytes_in != bytes_out)
{
throw UndefineError();
}
}
fflush(out_file);
fclose(out_file);
fclose(in_file);
}
int main()
{
try
{
my_copy("D:\\File\\1.txt", "D:\\File\\20190608\\1.txt");
}
catch (IOException e)
{
printf("异常一\n");
}
catch (FileException e)
{
printf("异常二\n");
}
catch (UndefineError e)
{
printf("异常三\n");
}
system("pause");
return 0;
}
