30//write to outfile 31std::fstream wfile("new.txt",std::fstream::out|std::fstream::binary); 32wfile.write(buffer,length); 33 34//delete buffer 35delete[] buffer; 36 37//close rfile wfile 38rfile.close(); 39wfile.close(); 40 41return0; 42} 43...
rfile.close(); //write to outfile std::fstream wfile("new.txt",std::fstream::out|std::fstream::binary); wfile.write(buffer,length); //delete buffer delete[] buffer; //close rfile wfile rfile.close(); wfile.close(); return0; }...
问使用fstream将数据写入二进制文件EN版权声明：本文内容由互联网用户自发贡献，该文观点仅代表作者本人。
write()函数需要两个参数.第一个参数是char*类型用来指定需要写入的数据, 第二个参数是int类型指定写入多少个字节. 最后记得要用close()结束. // Sample for C++ File I/O binary file write 1:voidwrite_to_binary_file(WebSites p_Data) 2:{ 3:fstream binary_file("c:\\test.dat",ios::out|ios::...
\n';else{// writedoubled{3.14};s.write(reinterpret_cast<char*>(&d),sizeofd);// binary ...
要写的文件需要用到输出模式标志 ios::out和二进制操作模式标志ios::binary。 write()函数需要两个参数.第一个参数是char*类型用来指定需要写入的数据, 第二个参数是int类型指定写入多少个字节. 最后记得要用close()结束. // Sample for C++ File I/O binary file write ...
ofstreamofs2(strFilePath.c_str(),fstream::out|fstream::binary);if(ofs2.is_open()){ofs2.write((constchar*)&pt,sizeof(pt));ofs2.close();}ifstreamifs2(strFilePath.c_str(),fstream::in|fstream::binary);if(ifs2.is_open()){CPoint pt2;ifs2.read((char*)&pt2,sizeof(pt2));...
open("./FileName_P.raw", ios::out | ios::binary); // 设置缓存 constexpr int size = 1536 * 1536; unsigned short* Rtemp = new unsigned short[size] {}; float* Wtemp = new float[size] {}; long long int count{}; while (!infile.eof()) { // 计数 cout << (count++) << ...
ofs.write((char*)&x,sizeof(x)); ofs.write((char*)&x,sizeof(x)); ofs.close(); ofs.open("cece.txt",ios::out|ios::in|ios::binary); x=200; ofs.seekp(sizeof(int)); ofs.write((char*)&x,sizeof(x)); } 1. 2. 3. ...
std::ofstream outfile(strFile.c_str(), std::ifstream::binary);if (!outfile.is_open()){ printf("Write File:%s Error ... \n", strFile.c_str());return false;} outfile.write(&buffer[0], buffer.size());outfile.close();return true;} void test1126_222(){ std::string oldFile = ...