linux C++获取目录下文件列表
好像经常用到,那就记下来吧#include <stdio.h>#include <stdlib.h>#include <string.h>#include <dirent.h>#include <unistd.h>std::vector<std::string> readFileList(char *basePath){std::vector<std::string> resu
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好像经常用到,那就记下来吧(递归遍历子文件夹)
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include <unistd.h>
std::vector<std::string> readFileList(char *basePath)
{
std::vector<std::string> result;
DIR *dir;
struct dirent *ptr;
char base[1000];
if ((dir=opendir(basePath)) == NULL)
{
perror("Open dir error...");
exit(1);
}
while ((ptr=readdir(dir)) != NULL)
{
if(strcmp(ptr->d_name,".")==0 || strcmp(ptr->d_name,"..")==0) ///current dir OR parrent dir
continue;
else if(ptr->d_type == 8) ///file
{printf("d_name:%s/%s\n",basePath,ptr->d_name);
result.push_back(std::string(ptr->d_name));}
else if(ptr->d_type == 10) ///link file
{printf("d_name:%s/%s\n",basePath,ptr->d_name);
result.push_back(std::string(ptr->d_name));}
else if(ptr->d_type == 4) ///dir
{
memset(base,'\0',sizeof(base));
strcpy(base,basePath);
strcat(base,"/");
strcat(base,ptr->d_name);
result.push_back(std::string(ptr->d_name));
readFileList(base);
}
}
closedir(dir);
return result;
}
若使用Qt的话,可以更easy(非递归)
#include <QDir>
QDir dir(rootPath_);
//ir.setFilter(QDir::Hidden | QDir::NoSymLinks);
//dir.setSorting(QDir::Size | QDir::Reversed);
QFileInfoList list = dir.entryInfoList();
for (int i = 2; i < list.size(); ++i)
{
//do something...for example..
QFileInfo fileInfo = list.at(i);
QString str=fileInfo.baseName();
QStringList subfolderpathlist;
QDir subdir(fileInfo.filePath());
QFileInfoList sublist = subdir.entryInfoList();
for(int j = 2;j<sublist.size();j++)
{
QFileInfo subfileInfo = sublist.at(j);
subfolderpathlist.push_back(subfileInfo.filePath());
}
}
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