C++便利文件夹下文件

void DataProvider::searchFile(){struct dirent *ptr;DIR *dir;const  char *path=filePath.c_str();dir=opendir(path);while((ptr=readdir(dir))!=NULL){//filePrefix=IC|IF|IHif(filePrefix.size()==2){if(ptr->d_name[0]=='I'&&ptr->d_name[1]==filePrefix[1]){string docName=ptr->d_name;readDocs.push_back(docName.substr(0,6));}}//filePrefix=*,means allelse{if((ptr->d_name[0]='I')&&(ptr->d_name[1]=='C'|ptr->d_name[1]=='F'|ptr->d_name[1]=='H')){string docName=ptr->d_name;readDocs.push_back(docName.substr(0,6));}}}}