int result = 0; File file = null; String path = null; JFileChooser fileChooser = new JFileChooser(); FileSystemView fsv = FileSystemView.getFileSystemView(); //注意了,这里重要的一句 System.out.println(fsv.getHomeDirectory()); //得到桌面路径 fileChooser.setCurrentDirectory(fsv.getHomeDirectory()); fileChooser.setDialogTitle("请选择要上传的文件..."); fileChooser.setApproveButtonText("确定"); fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY); result = fileChooser.showOpenDialog(chatFrame); if (JFileChooser.APPROVE_OPTION == result) { path=fileChooser.getSelectedFile().getPath(); System.out.println("path: "+path); } 这是另外一种方法得到桌面路径: File desktop = new File(System.getProperty("user.home")+System.getProperty("file.separator")+"XX"); filechooser.setCurrentDirectory(desktop); 我的文档 路径: fsv.getDefaultDirectory());