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如何写入和读取与他们内的std :: vector的二进制文件?
//============ WRITING A VECTOR INTO A FILE ================
const int DIM = 6;
int array[DIM] = {1,2,3,4,5,6};
std::vector<int> myVector(array, array + DIM);
ofstream FILE(Path, ios::out | ofstream::binary);
FILE.write(reinterpret_cast<const char *>(&myVector), sizeof(vector) * 6);
//===========================================================
但我不知道如何阅读这个向量:
ifstream FILE(Path, ios::in | ifstream::binary);
FILE.read(reinterpret_cast<const char *>(&myVector), sizeof(vector) * 6);
使用boost::serialization
。
size_t sz = myVector.size(); FILE.write(reinterpret_cast<const char*>(&sz), sizeof(sz)); FILE.write(reinterpret_cast<const char*>(&myVector[0]), sz * sizeof(myVector[0]));