Java DirTool
Java 实验课要求写一个GUI的dirTool 结果别人就一个查看文件的功能，我就二了，写了代码貌似有点长······
这是GUI界面
命令行的使用和cmd中命令行差不多
dir D:\ //这里用绝对路径和相对路径都可以
.. //用于返回父目录
del Xiao //用于删除文件或者文件夹
open qq.lnk //用系统方式打开文件 相当于双击
mkdir dong //新建文件夹
命令就这些 如果感兴趣的话 还可以继续增加
下面贴代码吧····
package One; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.File; import java.text.SimpleDateFormat; import java.util.Date; import javax.security.auth.Subject; /** * ClassName: DirTool * ClassDescription:A class for Dir * @author VipXD * @version 1.0 */ public class DirTool { /** * FuntionName: main * FuntionDescription:Test DirTool * @param * @return */ public static void main(String[] args) { new DirFrame(); } } /** * ClassName: DirFrame * ClassDescription:Main Frame of DirTool * @author VipXD * @version 1.0 */ class DirFrame extends Frame implements ActionListener{ TextArea info; TextField path; TextField commend; Button choose; GridBagLayout GB; FileDialog fd; String currentPath; String currentInfo; /** * FuntionName:DirFrame * FuntionDescription:construct DirFrame * @param * @return */ public DirFrame() { super("DirTool"); currentInfo = new String("No File"); commend = new TextField("命令行："); commend.addActionListener(this); currentPath = new String("C:\\"); choose = new Button("浏览"); choose.addActionListener(this); info = new TextArea("文件信息"); info.setEditable(false); path = new TextField("C:\\"); path.addActionListener(this); path.setEditable(false); GB = new GridBagLayout(); this.setLayout(GB); GridBagConstraints GBC = new GridBagConstraints(); GBC.gridx = 0; GBC.gridy = 0; GBC.gridheight = 1; GBC.gridwidth = 4; GBC.fill = GridBagConstraints.BOTH; GBC.insets = new Insets(10,10,10,10); GBC.weightx = 1; GBC.weighty = 0; this.add(path,GBC); GBC.gridx = 5; GBC.gridwidth = 1; GBC.weightx = 0; this.add(choose,GBC); GBC.gridx = 0; GBC.gridy = 2; GBC.gridwidth = 6; this.add(commend,GBC); GBC.gridx = 0; GBC.gridy = 3; GBC.gridwidth = 6; GBC.gridheight = 8; GBC.weightx = 1; GBC.weighty = 1; this.add(info,GBC); this.setSize(500,450); //this.setResizable(false); addWindowListener(new HandleWin()); fd = new FileDialog(this); show(); } /** * FuntionName: actionperformed * FuntionDescription:respond for commend * @param Action Event * @return */ @Override public void actionPerformed(ActionEvent e){ try { if(e.getSource()==choose){ fd.show(); if(fd.getDirectory()!=null && fd.getFile()!=null){ currentPath = fd.getDirectory() + fd.getFile(); path.setText(currentPath); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); File file = new File(currentPath); currentInfo = "Last Modified\t\t\tType\t\tSize(Bit)\t\tName\n"; currentInfo += sdf.format(new Date(file.lastModified())); currentInfo += "\t\t" + "File\t\t" + file.length() + "\t\t" + file.getName(); currentInfo += "\n"; info.setText(currentInfo); } } if(e.getSource()==commend){ if(commend.getText().equals("dir")){ info.setText(Info(new File(currentPath))); commend.setText(""); } if(commend.getText().equals("..")){ File file = new File(currentPath); currentPath = file.getParent(); if(currentPath==null) currentPath = file.getAbsolutePath(); currentInfo = Info(new File(currentPath)); info.setText(currentInfo); path.setText(currentPath); commend.setText(""); } if(commend.getText().substring(0, 3).equals("cd ")){ File file1 = new File(currentPath+commend.getText().substring(3)); File file2 = new File(commend.getText().substring(3)); if(!file1.exists() && !file2.exists()){ currentInfo = "Dir is Not exisits!!"; } if(file1.exists()){ currentPath = file1.getAbsolutePath(); currentInfo = Info(new File(currentPath)); } if(file2.exists()){ currentPath = file2.getAbsolutePath(); currentInfo = Info(new File(currentPath)); } path.setText(currentPath); info.setText(currentInfo); commend.setText(""); } if(commend.getText().substring(0, 6).equals("mkdir ")){ String D = commend.getText().substring(6); File file = new File(currentPath+"\\"+D); if(file.mkdir()){ currentInfo = "Create Dir Successfully!"; } else{ currentInfo = "Create Dir Failure!"; } info.setText(currentInfo); commend.setText(""); } if(commend.getText().substring(0, 4).equals("del ")){ String D = commend.getText().substring(4); File file = new File(currentPath+"\\"+D); if(file.delete()){ currentInfo = "Delete Dir or File Successfully!"; } else{ currentInfo = "Delete Dir or File Failure!"; } info.setText(currentInfo); commend.setText(""); } if(commend.getText().substring(0,5).equals("open ")){ String path1 = currentPath+commend.getText().substring(5); String path2 = commend.getText().substring(5); Runtime.getRuntime().exec("cmd /c "+path1); Runtime.getRuntime().exec("cmd /c "+path2); commend.setText(""); } } }catch (Exception e2) { } } /** * FuntionName: Info * FuntionDescription:caculate currentInfo * @param File file * @return String currentInfo */ public String Info(File file){ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); currentInfo = "Last Modified\t\t\tType\t\tSize(Bit)\t\tName\n"; if(file.isFile()){ currentInfo += sdf.format(new Date(file.lastModified())); currentInfo += "\t\t" + "File\t\t" + file.length() + "\t\t" + file.getName(); currentInfo += "\n"; } else{ String fs[] = file.list(); for(int i=0; i<fs.length; i++){ File Temp = new File(file.getAbsoluteFile()+"\\"+fs[i]); String TT = new String("File"); if(Temp.isDirectory()) TT = "Dir"; currentInfo += sdf.format(new Date(Temp.lastModified())); currentInfo += "\t\t" + TT+ "\t\t" + Temp.length() + "\t\t" + Temp.getName(); currentInfo += "\n"; } } return currentInfo; } } /** * ClassName: HandleWin * ClassDescription:Handle Windows mesg; * @author VipXD * @version 1.0 */ class HandleWin extends WindowAdapter{ /** * FuntionName: windowClosing * FuntionDescription:close window * @param WindowEvent e * @return */ public void windowClosing(WindowEvent e){ e.getWindow().dispose(); System.exit(0); } }