import java.io.File
import java.io.FileReader
import java.util.ArrayList
import java.util.List
import java.util.Scanner
public class BookWork {
static List<Book> data
private static Scanner input
public static void main(String[] args) {
if (!initBook("d:/book.txt")) {
System.out.println("初始图书列表失败 ..")
return
}
input = new Scanner(System.in)
while (true) {
try {
System.out.println("请输入操作：")
System.out.println("1.找书 2.删除图书 3.退出")
int number = Integer.parseInt(input.next())
if (number == 1) {
findBook()
} else if (number == 2) {
delBook()
} else if (number == 3) {
System.out.println("退出")
break
} else {
System.out.println("这个不是我要的...重来...")
System.out.println()
}
} catch (Exception e) {
e.printStackTrace()
System.out.println("这个不是我要的...重来...")
System.out.println()
}
}
}
private static void delBook() {
System.out.println("请输入要删除的书名或编号：")
String key = input.next()
if (key != null && !key.equals("")) {
for (Book book : data) {
if (book.number.equals(key) || book.name.contains(key)) {
data.remove(book)
System.out.println(" 图书 " + book.toString() + " 已删除")
return
}
}
}
System.out.println("没有您要删除的")
}
private static void findBook() {
System.out.println("请输入要查找的书名或编号：")
String key = input.next()
if (key != null && !key.equals("")) {
for (Book book : data) {
if (book.number.equals(key) || book.name.contains(key)) {
System.out.println("找到了 图书 " + book.toString())
return
}
}
}
System.out.println("没有您要找的")
}
private static boolean initBook(String string) {
try {
System.out.println("图书导入中...")
System.out.println("列表文件 -- " + string)
File file = new File(string)
if (!file.exists()) {
return false
}
data = new ArrayList<Book>()
BufferedReader bufferedReader = new BufferedReader(new FileReader(file))
String line = ""
while ((line = bufferedReader.readLine()) != null) {
String[] strings = line.split(",")
Book b = new Book(strings[0], strings[1])
data.add(b)
System.out.println("导入" + b.toString())
}
} catch (Exception e) {
e.printStackTrace()
return false
}
return true
}
public static class Book {
String number
String name
public Book(String number, String name) {
super()
this.number = number
this.name = name
}
@Override
public String toString() {
return "Book [编码：" + number + ", 名称：" + name + "]"
}
}
}
001,金瓶梅
002,杂事秘辛
003,飞燕外传
004,控鹤监秘记
005,汉宫春色
java swing 登陆界面code/*
* Login.java
*
* Created on __DATE__, __TIME__
*/
package com.agen.library.window
import java.awt.Image
import java.awt.Toolkit
import javax.swing.JOptionPane
import javax.swing.UIManager
import javax.swing.UnsupportedLookAndFeelException
import com.agen.library.factory.DAOFactory
import com.agen.library.util.GlobalUser
import com.agen.library.vo.User
/**
*
* @author __USER__
*/
public class Login extends javax.swing.JFrame {
/**
*
*/
private static final long serialVersionUID = -2176093732040600809L
/** Creates new form Login */
public Login() {
super("易云图书管理软件V1.0")
Image ime = Toolkit.getDefaultToolkit().getImage(
getClass().getResource("/images/ico.png"))
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName())
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace()
} catch (InstantiationException e) {
// TODO Auto-generated catch block
e.printStackTrace()
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace()
} catch (UnsupportedLookAndFeelException e) {
// TODO Auto-generated catch block
e.printStackTrace()
}
setIconImage(ime)
initComponents()
setLocationRelativeTo(null)
this.setResizable(false)
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
// GEN-BEGIN:initComponents
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jLabel2 = new javax.swing.JLabel()
jLabel3 = new javax.swing.JLabel()
jTextField1 = new javax.swing.JTextField()
jPasswordField1 = new javax.swing.JPasswordField()
jButton1 = new javax.swing.JButton()
jButton2 = new javax.swing.JButton()
jLabel1 = new javax.swing.JLabel()
jMenuBar1 = new javax.swing.JMenuBar()
jMenu1 = new javax.swing.JMenu()
jMenuItem1 = new javax.swing.JMenuItem()
jMenu2 = new javax.swing.JMenu()
jMenuItem2 = new javax.swing.JMenuItem()
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE)
addKeyListener(new java.awt.event.KeyAdapter() {
public void keyPressed(java.awt.event.KeyEvent evt) {
formKeyPressed(evt)
}
public void keyTyped(java.awt.event.KeyEvent evt) {
formKeyTyped(evt)
}
})
jLabel2.setFont(new java.awt.Font("微软雅黑", 0, 14))
jLabel2.setText("\u7528\u6237\u540d\uff1a")
jLabel3.setFont(new java.awt.Font("微软雅黑", 0, 14))
jLabel3.setText("\u5bc6 \u7801\uff1a")
jTextField1.setFont(new java.awt.Font("微软雅黑", 0, 14))
jTextField1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jTextField1ActionPerformed(evt)
}
})
jPasswordField1.setFont(new java.awt.Font("微软雅黑", 0, 12))
jPasswordField1.addKeyListener(new java.awt.event.KeyAdapter() {
public void keyTyped(java.awt.event.KeyEvent evt) {
jPasswordField1KeyTyped(evt)
}
})
jButton1.setBackground(new java.awt.Color(223, 216, 216))
jButton1.setFont(new java.awt.Font("微软雅黑", 0, 14))
jButton1.setText("\u767b\u9646")
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt)
}
})
jButton2.setBackground(new java.awt.Color(223, 216, 216))
jButton2.setFont(new java.awt.Font("微软雅黑", 0, 14))
jButton2.setText("\u53d6\u6d88")
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt)
}
})
jLabel1.setIcon(new javax.swing.ImageIcon(
getClass().getResource("/images/login_main.jpg")))// NOI18N
jMenu1.setText("File")
jMenu1.setFont(new java.awt.Font("微软雅黑", 0, 14))
jMenuItem1.setAccelerator(javax.swing.KeyStroke.getKeyStroke(
java.awt.event.KeyEvent.VK_Q,
java.awt.event.InputEvent.CTRL_MASK))
jMenuItem1.setText("Exit")
jMenuItem1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jMenuItem1MouseClicked(evt)
}
})
jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem1ActionPerformed(evt)
}
})
jMenu1.add(jMenuItem1)
jMenuBar1.add(jMenu1)
jMenu2.setText("Help")
jMenu2.setFont(new java.awt.Font("微软雅黑", 0, 14))
jMenuItem2.setText("About")
jMenuItem2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem2ActionPerformed(evt)
}
})
jMenu2.add(jMenuItem2)
jMenuBar1.add(jMenu2)
setJMenuBar(jMenuBar1)
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(
getContentPane())
getContentPane().setLayout(layout)
layout.setHorizontalGroup(layout
.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel1)
.addGroup(
layout.createSequentialGroup()
.addContainerGap()
.addGroup(
layout.createParallelGroup(
javax.swing.GroupLayout.Alignment.TRAILING,
false)
.addComponent(
jLabel2,
javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(
javax.swing.GroupLayout.Alignment.LEADING,
layout.createSequentialGroup()
.addComponent(
jLabel3)
.addPreferredGap(
javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(
layout.createParallelGroup(
javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(
layout.createSequentialGroup()
.addGap(10,
10,
10)
.addComponent(
jButton1)
.addGap(47,
47,
47)
.addComponent(
jButton2))
.addComponent(
jPasswordField1)
.addComponent(
jTextField1,
javax.swing.GroupLayout.DEFAULT_SIZE,
197,
Short.MAX_VALUE))
.addContainerGap()))))
layout.setVerticalGroup(layout
.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(
layout.createSequentialGroup()
.addComponent(jLabel1)
.addPreferredGap(
javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(
layout.createParallelGroup(
javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(
jTextField1,
javax.swing.GroupLayout.PREFERRED_SIZE,
24,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(
javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(
layout.createParallelGroup(
javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(
jPasswordField1,
javax.swing.GroupLayout.PREFERRED_SIZE,
23,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(
javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(
layout.createParallelGroup(
javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1)
.addComponent(jButton2))
.addContainerGap(
javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)))
pack()
}// </editor-fold>
// GEN-END:initComponents
private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
About.start()
}
private void jPasswordField1KeyTyped(java.awt.event.KeyEvent evt) {
if (evt.getKeyChar() == '\n') {
String name = jTextField1.getText()// 获取用户名
String pass = String.valueOf(jPasswordField1.getPassword())// 获取密码
User user = null
// 未输入用户名
if (name.equals("") || name == null) {
JOptionPane.showMessageDialog(this, "用户名不允许为空！", "cuowu", 0)
return
}
try {
user = DAOFactory.getIUserDAOInstance().findById(name)
if (user != null) {
if (user.getPass() != null &&user.getPass().equals(pass)) {
GlobalUser.LOGIN_USER = user// 记录当前用户
// 进入主界面
Main.start()
this.dispose()
} else {
JOptionPane.showMessageDialog(this, "用户名或密码错误!")
return
}
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace()
}
if (user == null) {
JOptionPane.showMessageDialog(this, "用户名或密码错误!", "消息", 0)
return
}
}
}
private void formKeyTyped(java.awt.event.KeyEvent evt) {
}
private void formKeyPressed(java.awt.event.KeyEvent evt) {
}
private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
jTextField1.setText("")
jPasswordField1.setText("")
jTextField1.requestFocus()
}
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
String name = jTextField1.getText()// 获取用户名
String pass = String.valueOf(jPasswordField1.getPassword())// 获取密码
User user = null
// 未输入用户名
if (name.equals("")) {
JOptionPane.showMessageDialog(this, "用户名不允许为空！")
return
}
try {
user = DAOFactory.getIUserDAOInstance().findById(name)
if (user != null) {
if (user.getPass() != null &&user.getPass().equals(pass)) {
GlobalUser.LOGIN_USER = user// 记录当前用户
// 进入主界面
Main.start()
this.dispose()
} else {
JOptionPane.showMessageDialog(this, "用户名或密码错误!", "消息", 0)
return
}
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace()
}
if (user == null) {
JOptionPane.showMessageDialog(this, "用户名或密码错误!", "消息", 0)
return
}
}
private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {
if (JOptionPane.showConfirmDialog(this, "你确定要退出吗？", "提示",
JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION) {
System.exit(0)
}
}
private void jMenuItem1MouseClicked(java.awt.event.MouseEvent evt) {
System.exit(1)
}
/**
* @param args
*the command line arguments
*/
public static void main(String args[]) {
// System.out.println(Login.class.getResource("src/images/images/login_main.jpg"))
// new javax.swing.ImageIcon(
// Login.class.getResource("../../../../images/login_main.jpg"))
// new Login().setVisible(true)
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Login().setVisible(true)
}
})
}
// GEN-BEGIN:variables
// Variables declaration - do not modify
private javax.swing.JButton jButton1
private javax.swing.JButton jButton2
private javax.swing.JLabel jLabel1
private javax.swing.JLabel jLabel2
private javax.swing.JLabel jLabel3
private javax.swing.JMenu jMenu1
private javax.swing.JMenu jMenu2
private javax.swing.JMenuBar jMenuBar1
private javax.swing.JMenuItem jMenuItem1
private javax.swing.JMenuItem jMenuItem2
private javax.swing.JPasswordField jPasswordField1
private javax.swing.JTextField jTextField1
// End of variables declaration//GEN-END:variables
}
