C++读写文件

追加写文件

std::ofstream FileName;

FileName.open("E:\xx.txt", ofstream::app); 
for (int i=0;i<num;i++)
{
FileName<<data[i]<<std::endl;
}

正常读写文件

#pragma warning(push)

#pragma warning(disable:4996)
FILE *fp;
fp=fopen(strpath,"rb");
fread(Image,sizeof(short),ImageSize[0]*ImageSize[1],fp);
fclose(fp);

#pragma warning(pop)

#pragma warning(push)

#pragma warning(disable:4996)
FILE *fp;
fp=fopen(strpath,"wb");
fwrite(Image,sizeof(short),ImageSize[0]*ImageSize[1],fp);
fclose(fp);

#pragma warning(pop)