string *data;
string Metakeys[] = { "FileCreationTime"};
data = Metakeys;
status = H5Dwrite(dataset_id, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, H5P_DEFAULT, data);
这个是方法定义
H5_DLL herr_t H5Dwrite(hid_t dset_id, hid_t mem_type_id, hid_t mem_space_id,
hid_t file_space_id, hid_t plist_id, const void *buf);