java获取文件夹下所有文件 java获取指定文件夹路径

import java.io.File; 

 import java.util.ArrayList; 

 import java.util.HashMap; 

 import java.util.List; 

 import java.util.Map; 


 public class FindFiles { 


      public static void main(String[] args) { 

           String path="e:/service_all"; 

          FindFilesMethod1(path); 

      } 

      

      public static void FindFilesMethod1(String path){ 


          List<Map<String, Object>> files=new ArrayList<Map<String,Object>>(); 

          List<Map<String, Object>> folders=new ArrayList<Map<String,Object>>(); 


           File file=new File(path); 

           File[] tempList = file.listFiles(); 

           System.out.println("该目录下对象个数："+tempList.length); 

           for (int i = 0; i < tempList.length; i++) { 

                if (tempList[i].isFile()) { 

                    Map<String,Object> filesMap=new HashMap<String, Object>(); 

                    filesMap.put("fileUrl", tempList[i].toString().replaceAll("\\\\", "/")); 

                    filesMap.put("fileName", tempList[i].getName().toString().replaceAll("\\\\", "/")); 

                    files.add(filesMap); 

                } 

                if (tempList[i].isDirectory()) { 

                    Map<String,Object> foldersMap=new HashMap<String, Object>(); 

                    foldersMap.put("folderUrl", tempList[i].toString().replaceAll("\\\\", "/")); 

                    foldersMap.put("folderName", tempList[i].getName().toString().replaceAll("\\\\", "/")); 

                    folders.add(foldersMap);            

                } 

           } 

          for(Map<String, Object> realfile:files){ 

                System.out.println("文件   路径："+realfile.get("fileUrl")+"&文件名:"+realfile.get("fileName")); 

          } 

          for(Map<String, Object> realfolder:folders){ 

                System.out.println("文件夹路径："+realfolder.get("folderUrl")+"&文件夹名:"+realfolder.get("folderName")); 

          }       

            

      } 

      

      

 }