图书管理系统代码 9 EditpassW （…

import java.awt.BorderLayout;

import java.awt.FlowLayout;

import java.awt.GridBagLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.KeyEvent;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;

import java.util.ArrayList;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JPasswordField;

import javax.swing.JTabbedPane;

import javax.swing.JTextField;

public class EditpassW extends InitFrame 

{

public EditpassW()

{

super("图书管理系统—修改密码","Library.png",480,300);

//设置布局

this.setLayout(new BorderLayout());

this.setResizable(false);

centerPanel1 = new JPanel();//放置暗文密码的面板

centerPanel2 = new JPanel();//放置明文密码的面板

southPanel = new JPanel();//放置确定和重置按钮

this.setDefaultCloseOperation (JFrame.DISPOSE_ON_CLOSE);

// 为各个面板设置布局管理器

centerPanel1.setLayout(new GridBagLayout());

centerPanel2.setLayout(new GridBagLayout());

southPanel.setLayout(new FlowLayout());

this.add(southPanel,BorderLayout.SOUTH);

tabbedPane =new JTabbedPane();

this.add(tabbedPane,BorderLayout.CENTER);

ImageIcon image1 = new ImageIcon("edit_pass1.png");

ImageIcon image2 = new ImageIcon("edit_pass2.png");

tabbedPane.addTab("暗文密码(H)", image1, centerPanel1);

// 为选项卡面板添加快捷键

int index = tabbedPane.indexOfTab("暗文密码(H)");

tabbedPane.setMnemonicAt(index, KeyEvent.VK_H);

// ALT+H即可选中

tabbedPane.addTab("明文密码(L)", image2, centerPanel2);

// 为选项卡面板添加快捷键

int index2 = tabbedPane.indexOfTab("明文密码(L)");

tabbedPane.setMnemonicAt(index2, KeyEvent.VK_L);

// ALT+L即可选中

tabbedPane.setSelectedIndex(0);

//设置中间边框

label_super_user = new JLabel(" 请输入原用户名：");

label_pass = new JLabel("请输入原密码：");

label_pass_new = new JLabel("请输入新密码：");

label_pass_again = new JLabel("请重新输入新密码：");

field_super_user =new JTextField(20);

field_pass = new JPasswordField(20);

field_pass_new = new JPasswordField(20);

field_pass_again = new JPasswordField(20);

centerPanel1.add(label_super_user,new GBC(0,0));

centerPanel1.add(field_super_user,new GBC(1,0));

centerPanel1.add(label_pass,new GBC(0,1));

centerPanel1.add(field_pass,new GBC(1,1));

centerPanel1.add(label_pass_new,new GBC(0,2));

centerPanel1.add(field_pass_new,new GBC(1,2));

centerPanel1.add(label_pass_again,new GBC(0,3));

centerPanel1.add(field_pass_again,new GBC(1,3));

label_super_user2 = new JLabel(" 请输入原用户名：");

label_pass2 = new JLabel("请输入原密码：");

label_pass_new2 = new JLabel("请输入新密码：");

label_pass_again2 = new JLabel("请重新输入新密码：");

field_super_user2 = new JTextField(20);

field_pass2 = new JTextField(20);

field_pass_new2 = new JTextField(20);

field_pass_again2 = new JTextField(20);

centerPanel2.add(label_super_user2,new GBC(0,0));

centerPanel2.add(field_super_user2,new GBC(1,0));

centerPanel2.add(label_pass2,new GBC(0,1));

centerPanel2.add(field_pass2,new GBC(1,1));

centerPanel2.add(label_pass_new2,new GBC(0,2));

centerPanel2.add(field_pass_new2,new GBC(1,2));

centerPanel2.add(label_pass_again2,new GBC(0,3));

centerPanel2.add(field_pass_again2,new GBC(1,3));

// 设置下部边框

JButton button_ok = new JButton("确定",new ImageIcon("ok.png"));

button_ok.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e)

{

// 1

//2   如果选择的是"暗文密码"执行如下操作

if(tabbedPane.getSelectedIndex()==0)

{

ArrayList password1=new ArrayList(10);

initArray(password1);

password_old =field_super_user.getText()+","+ new String(field_pass.getPassword());//存放输入的原密码

password_new1 =new String(field_pass_new.getPassword());//存放新密码

passWord_new2 = new String(field_pass_again.getPassword());//存放重新输入的新密码

user_new= field_super_user.getText();

// 遍历存放密码的数组

int index =password1.indexOf(password_old);

if(index>0)// 如果输入的原密码和原始密码相等

{

//将原先位置密码换成新密码

password1.set(index, new String(user_new+","+password_new1));

Object [] password_array1=password1.toArray();

if(password_new1.equals(passWord_new2))//如果两次输入的新密码相同

{

try {

FileWriter fr_new = new FileWriter(file_pass_org ,false);//不附加写入的数据（覆盖原密码）

for(int m=0;m

fr_new.write((String)password_array1[m]+"\r\n");//将新密码写入存放密码的文件

fr_new.flush();

}

fr_new.close();

System.out.println("新用户名是"+user_new);

System.out.println("新密码是"+password_new1);

} catch (IOException e1) {

JLabel label_result = new JLabel("对不起，密码写入失败！！");

JOptionPane.showConfirmDialog(tabbedPane, label_result,"图书管理系统-密码修改", JOptionPane.INFORMATION_MESSAGE,JOptionPane.OK_OPTION, new ImageIcon("null.png"));

e1.printStackTrace();

}

JLabel label_result = new JLabel("密码修改成功！！");

JOptionPane.showConfirmDialog(tabbedPane, label_result,"图书管理系统-密码修改", JOptionPane.INFORMATION_MESSAGE,JOptionPane.OK_OPTION, new ImageIcon("succes.png"));

}else

{

JLabel label_result = new JLabel("两次输入的新密码不一致，请重新输入！！");

JOptionPane.showConfirmDialog(tabbedPane, label_result,"图书管理系统-密码修改", JOptionPane.WARNING_MESSAGE,JOptionPane.OK_OPTION , new ImageIcon("result.png"));

}

}else

{

JLabel label_result = new JLabel("您输入的密码有误，请重新输入！！");

JOptionPane.showConfirmDialog(tabbedPane, label_result,"图书管理系统-密码修改", JOptionPane.INFORMATION_MESSAGE,JOptionPane.OK_OPTION, new ImageIcon("null.png"));

}

}

//3   如果选择的是"明文密码"执行如下操作

if(tabbedPane.getSelectedIndex()==1)

{

ArrayList password2=new ArrayList(10);

initArray(password2);

password_old = field_super_user2.getText()+","+field_pass2.getText();//存放输入的原密码

password_new1 =field_pass_new2.getText();//存放新密码

passWord_new2 = field_pass_again2.getText();//存放重新输入的新密码

user_new =field_super_user2.getText();

int index4 =password2.indexOf(password_old);

if(index4>0)// 如果输入的原密码和原始密码相等

{

//将原先位置密码换成新密码

password2.set(index4, new String(user_new+","+password_new1));

System.out.println("11"+password2);

Object [] password_array2 =password2.toArray();

if(password_new1.equals(passWord_new2))//如果两次输入的新密码相同

{

try {

FileWriter fr_new2 = new FileWriter(file_pass_org ,false);//不附加写入的数据（覆盖原密码）

for(int m=0;m

fr_new2.write((String)password_array2[m]+"\r\n");//将新密码写入存放密码的文件

fr_new2.flush();

}

fr_new2.close();

System.out.println("新用户名是"+user_new);

System.out.println("新密码是"+password_new1);

} catch (IOException e1) {

JLabel label_result = new JLabel("对不起，密码写入失败！！");

JOptionPane.showConfirmDialog(tabbedPane, label_result,"图书管理系统-密码修改", JOptionPane.INFORMATION_MESSAGE,JOptionPane.OK_OPTION, new ImageIcon("null.png"));

e1.printStackTrace();

}

JLabel label_result = new JLabel("密码修改成功！！");

JOptionPane.showConfirmDialog(tabbedPane, label_result,"图书管理系统-密码修改", JOptionPane.INFORMATION_MESSAGE,JOptionPane.OK_OPTION, new ImageIcon("succes.png"));

}else

{

JLabel label_result = new JLabel("两次输入的新密码不一致，请重新输入！！");

JOptionPane.showConfirmDialog(tabbedPane, label_result,"图书管理系统-密码修改", JOptionPane.WARNING_MESSAGE,JOptionPane.OK_OPTION , new ImageIcon("result.png"));

}

}else

{

JLabel label_result = new JLabel("您输入的密码有误，请重新输入！！");

JOptionPane.showConfirmDialog(tabbedPane, label_result,"图书管理系统-密码修改", JOptionPane.INFORMATION_MESSAGE,JOptionPane.OK_OPTION, new ImageIcon("null.png"));

}

}

}

});

JButton   button_cancel = new JButton("取消",new ImageIcon("cancel.png"));

button_cancel.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e)

{

EditpassW.this.setVisible(false);//隐藏窗体

EditpassW.this.dispose();//释放窗体资源

}

});

southPanel.add(button_ok);

southPanel.add(button_cancel);

}

public ArrayList initArray(ArrayList password){

// 读取原始密码

file_pass_org = new File("E:\\图书管理系统\\password.dat");

FileReader fr;

try {

fr = new FileReader(file_pass_org);

BufferedReader br = new BufferedReader(fr);

do{

password_org= br.readLine();

System.out.println(password_org);

if(password_org!=null){

// 初始化密码数组

password.add(password_org);

i++;

System.out.println("i="+i);

}

}while(password_org!=null);

password.trimToSize();

br.close();

} catch (FileNotFoundException e1) 

{

e1.printStackTrace();

}catch(IOException e2)

{

e2.printStackTrace();

}

return password;

}

private JPanel centerPanel1 ;

private JPanel centerPanel2 ;

private JPanel southPanel ;

private JTabbedPane tabbedPane;

JLabel label_super_user;

JLabel label_pass ;

JLabel label_pass_new ;

JLabel label_pass_again ;

private JTextField field_super_user;

private JPasswordField field_pass ;

private JPasswordField field_pass_new;

private JPasswordField field_pass_again;

private JLabel label_super_user2;

private JLabel label_pass2 ;

private JLabel label_pass_new2;

private JLabel label_pass_again2 ;

private JTextField field_super_user2;

private JTextField field_pass2 ;

private JTextField field_pass_new2 ;

private JTextField field_pass_again2;

private String password_org;

private String password_old;

private String password_new1;

private String passWord_new2;

private String user_new;

private File file_pass_org ;//存放原始密码的文件路径

int i=0;

}