java 读取某个文件夹下的所有文件夹和文件, 返回所有文件名

女爷i 2022-08-27 03:51 253阅读 0赞

import java.io.File;  
import java.io.FileNotFoundException;  
import java.io.IOException;  
import java.util.HashMap;  
import java.util.Map;

import org.apache.commons.logging.Log;  
import org.apache.commons.logging.LogFactory;

public class FileUtil \{

private static final Log logger = LogFactory.getLog(FileUtil.class);

/\*\*  
\* 删除某个文件夹下的所有文件夹和文件  
\* @param delpath String  
\* @throws FileNotFoundException  
\* @throws IOException  
\* @return boolean  
\*/  
public static boolean deletefile(String delpath) throws FileNotFoundException,  
IOException \{  
try \{

File file = new File(delpath);  
if (!file.isDirectory()) \{  
System.out.println("1");  
file.delete();  
\}  
else if (file.isDirectory()) \{  
System.out.println("2");  
String\[\] filelist = file.list();  
for (int i = 0; i < filelist.length; i++) \{  
File delfile = new File(delpath + "" + filelist\[i\]);  
if (!delfile.isDirectory()) \{  
System.out.println("path=" + delfile.getPath());  
System.out.println("absolutepath=" + delfile.getAbsolutePath());  
System.out.println("name=" + delfile.getName());  
delfile.delete();  
System.out.println("删除文件成功");  
\}  
else if (delfile.isDirectory()) \{  
deletefile(delpath + "" + filelist\[i\]);  
\}  
\}  
file.delete();

\}  
catch (FileNotFoundException e) \{  
System.out.println("deletefile() Exception:" + e.getMessage());  
\}  
return true;  
\}

/\*\*  
  \*  
  \* 读取某个文件夹下的所有文件夹和文件, 返回所有文件名  
 \* @param filepath String  
  \* @throws FileNotFoundException  
  \* @throws IOException  
  \* @return Map<Integer, String> pathMap  
  \*  
  \*/  
  public static Map<Integer, String> readfile(String filepath, Map<Integer, String> pathMap) throws Exception \{  
   if (pathMap == null) \{  
    pathMap = new HashMap<Integer, String>();  
   \}  
   File file = new File(filepath);  
   if(file.isDirectory()==true)\{  
    String\[\] filelist = file.list();  
    for(int i=0;i<filelist.length;i++)\{  
     File readfile = new File(filepath + "/" + filelist\[i\]);  
     if (readfile.isDirectory()==true)\{  
      pathMap.put(i, readfile.getName());  
     \}  
    \}  
   \}

public static void main(String\[\] args) \{  
try \{  
Map<Integer, String> map = readfile("E:/temp/0813", null);  
for(int i=0 ; i < map.size(); i++) \{  
System.out.println(map.get(i));  
\}  
// deletefile("D:/file");  
\}  
catch (Exception ex) \{  
\}  
System.out.println("ok");  
\}