自动分组界面系统

模拟学员自动分组系统界面设计

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.FileWriter;

import java.io.IOException;

import java.util.Map.Entry;

import java.util.Properties;

import java.util.Random;

import java.util.Set;

import java.util.logging.Level;

import java.util.logging.Logger;

import javax.swing.DefaultListModel;

import javax.swing.Icon;

import javax.swing.ImageIcon;

import javax.swing.JOptionPane;

//import javax.swing.RowFilter.Entry;

import javax.swing.Timer;

public class MainFrame extends javax.swing.JFrame {

static String stuFile = “/students.properties”;

boolean isRead = false; //是否已经读取过学生信息

Properties stus = new Properties();

DefaultListModel dlm = new DefaultListModel();

Random random = new Random();

int stuNumber = 0; //总学生数

int stuInGroup = 5; //每组学生数

int groupNumber = 1; //分组数

private Timer timer; //创建定时器对象

int selectedNumber = 0; //已经分配了多少学生

public MainFrame() {

initComponents();

this.setLocationRelativeTo(null);

jList1.setModel(dlm);

loading.setVisible(false);

//创建定时器，并注册监听器

timer = new Timer(1000,new ActionListener(){

@Override

public void actionPerformed(ActionEvent e) {

stuNumber = dlm.size();

if(stuNumber == 0){

timer.stop();

groupButton.setEnabled(false);

loading.setVisible(false);

exportButton.setEnabled(true);

JOptionPane.showMessageDialog(MainFrame.this, “分组结束”);

return;

}

/*

//Swing中支持HTML格式文本

String timeText = “<html><font size=\”6\” color=\”blue\”>” + df.format(now.getTime()) + “</font></html>”;

*/

int index = random.nextInt(stuNumber); //生成随机数

Student selectedStu = (Student)dlm.remove(index);

if(selectedNumber++ % stuInGroup == 0){

if(selectedNumber != 1){

jTextArea1.append(“\n”);

}

jTextArea1.append(“第” + (selectedNumber/stuInGroup + 1) + “开发小组：”);

}

jTextArea1.append(selectedStu.getName() + ” “);

}

});

}

@SuppressWarnings(“unchecked”)

// <editor-fold defaultstate=”collapsed” desc=”Generated Code”>

private void initComponents() {

jLabel1 = new javax.swing.JLabel();

jLabel2 = new javax.swing.JLabel();

jScrollPane1 = new javax.swing.JScrollPane();

jList1 = new javax.swing.JList();

jScrollPane2 = new javax.swing.JScrollPane();

jTextArea1 = new javax.swing.JTextArea();

jLabel3 = new javax.swing.JLabel();

readStuInfoButton = new javax.swing.JButton();

groupButton = new javax.swing.JButton();

jLabel4 = new javax.swing.JLabel();

numberPerGroup = new javax.swing.JComboBox();

loading = new javax.swing.JLabel();

exportButton = new javax.swing.JButton();

jTextField1 = new javax.swing.JTextField();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

setTitle(“北京德润启航科技发展有限公司”);

jLabel1.setFont(new java.awt.Font(“楷体”, 1, 24)); // NOI18N

jLabel1.setText(” 北京德润科技Java极致班”);

jLabel2.setFont(new java.awt.Font(“楷体”, 1, 36)); // NOI18N

jLabel2.setForeground(new java.awt.Color(0, 51, 102));

jLabel2.setText(“自动分组系统”);

jList1.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_INTERVAL_SELECTION);

jList1.setCellRenderer(new MyCellRender());

jScrollPane1.setViewportView(jList1);

jTextArea1.setColumns(20);

jTextArea1.setFont(new java.awt.Font(“楷体”, 0, 18)); // NOI18N

jTextArea1.setRows(5);

jScrollPane2.setViewportView(jTextArea1);

jLabel3.setIcon(new javax.swing.ImageIcon(getClass().getResource(“/images/derun.png”))); // NOI18N

readStuInfoButton.setText(“读取学生信息”);

readStuInfoButton.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

readStuInfoButtonActionPerformed(evt);

}

});

groupButton.setText(“开始分组”);

groupButton.setEnabled(false);

groupButton.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

groupButtonActionPerformed(evt);

}

});

jLabel4.setText(“人数限制（人/组）：”);

numberPerGroup.setModel(new javax.swing.DefaultComboBoxModel(new String[] { “3”, “4”, “5”, “6”, “7”, “8” }));

numberPerGroup.setSelectedIndex(1);

numberPerGroup.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

numberPerGroupActionPerformed(evt);

}

});

loading.setIcon(new javax.swing.ImageIcon(getClass().getResource(“/images/23.gif”))); // NOI18N

exportButton.setText(“导出到文本文件到桌面”);

exportButton.setEnabled(false);

exportButton.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

exportButtonActionPerformed(evt);

}

});

jTextField1.setBackground(new java.awt.Color(240, 240, 240));

jTextField1.setText(“学员总数：0人”);

jTextField1.setEnabled(false);

jTextField1.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jTextField1ActionPerformed(evt);

}

});

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());

getContentPane().setLayout(layout);

layout.setHorizontalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 274, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 378, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(90, 90, 90))

.addGroup(layout.createSequentialGroup()

.addGap(8, 8, 8)

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 221, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)

.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 555, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGroup(layout.createSequentialGroup()

.addComponent(readStuInfoButton)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)

.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 101, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(53, 53, 53)

.addComponent(groupButton)

.addGap(18, 18, 18)

.addComponent(loading)

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addGap(18, 18, 18)

.addComponent(exportButton)

.addGap(41, 41, 41)

.addComponent(jLabel4)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(numberPerGroup, javax.swing.GroupLayout.PREFERRED_SIZE, 47, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(26, 26, 26))

.addGroup(layout.createSequentialGroup()

.addGap(0, 0, Short.MAX_VALUE)

.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 238, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(132, 132, 132))))))

);

layout.setVerticalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addGap(19, 19, 19)

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)

.addGroup(layout.createSequentialGroup()

.addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))

.addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 96, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(loading, javax.swing.GroupLayout.PREFERRED_SIZE, 29, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(numberPerGroup, javax.swing.GroupLayout.PREFERRED_SIZE, 29, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 29, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(exportButton))

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(readStuInfoButton)

.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(groupButton, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)))

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(jScrollPane2)

.addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 362, Short.MAX_VALUE)))

);

pack();

}// </editor-fold>

//读取学生信息

private void readStuInfoButtonActionPerformed(java.awt.event.ActionEvent evt) {

if(isRead){

dlm.clear();

selectedNumber = 0; //已分配的学生数归零

groupButton.setEnabled(true);

exportButton.setEnabled(false);

}

//开始读取学生信息

try {

stus.load(MainFrame.class.getResourceAsStream(stuFile));

} catch (IOException ex) {

JOptionPane.showMessageDialog(this, “没有找到学员信息”,”警告”,JOptionPane.WARNING_MESSAGE);

return;

}

// Set<Entry<Object, Object>> stusinfo = stus.entrySet();

Set<Entry<Object, Object>> stusinfo = stus.entrySet();

this.showStuInfo(stusinfo);

}

public void showStuInfo(Set<Entry<Object, Object>> stusinfo){

for (Entry<Object, Object> stu : stusinfo){

String name = (String) stu.getKey();

String gender = (String) stu.getValue();

Icon icon;

if(“男”.equals(gender)){

// icon = new ImageIcon(getClass().getResource(“/images/m.png”));

icon = new ImageIcon(getClass().getResource(“/images/m.png”));

}else{

icon = new ImageIcon(getClass().getResource(“/images/f.png”));

}

Student student = new Student(icon,name,gender);

dlm.addElement(student);

}

jTextField1.setText(“学员总数：” + stusinfo.size() + “人”);

groupButton.setEnabled(true);

readStuInfoButton.setText(“重新读取信息”);

isRead = true;

//获得分组

stuNumber = dlm.size(); //总学生数

}

private void numberPerGroupActionPerformed(java.awt.event.ActionEvent evt) {

}

private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {

// TODO add your handling code here:

}

//开始分组

private void groupButtonActionPerformed(java.awt.event.ActionEvent evt) {

if(stuNumber == 0){

JOptionPane.showMessageDialog(this, “目前还没有学生可供分组”);

return;

}

stuInGroup = numberPerGroup.getSelectedIndex() + 3; //每组学生数

groupNumber = stuNumber /stuInGroup + 1;

//开始分组

jTextArea1.setText(“”); //先清空

timer.start(); //启动定时器

loading.setVisible(true);

}

private void exportButtonActionPerformed(java.awt.event.ActionEvent evt) {

//导出文本到桌面

String filePath = “C:\\Users\\dell\\Desktop\\文件接收柜\\group.txt”;

String content = jTextArea1.getText();

exportContent(content,filePath);

}

private void exportContent(String content,String filePath){

try {

FileWriter fw = new FileWriter(filePath);

fw.write(content);

fw.flush();

JOptionPane.showMessageDialog(this, “分组文件已导出!”);

} catch (IOException ex) {

JOptionPane.showMessageDialog(this, “分组文件导出时出现错误，请稍后重试!”);

}

}

/**

* @param args the command line arguments

*/

public static void main(String args[]) {

/* Set the Nimbus look and feel */

//<editor-fold defaultstate=”collapsed” desc=” Look and feel setting code (optional) “>

/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.

* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html

*/

try {

for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {

if (“Nimbus”.equals(info.getName())) {

javax.swing.UIManager.setLookAndFeel(info.getClassName());

break;

}

}

} catch (ClassNotFoundException ex) {

java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

} catch (InstantiationException ex) {

java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

} catch (IllegalAccessException ex) {

java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

} catch (javax.swing.UnsupportedLookAndFeelException ex) {

java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

}

//</editor-fold>

/* Create and display the form */

java.awt.EventQueue.invokeLater(new Runnable() {

public void run() {

new MainFrame().setVisible(true);

}

});

}

// Variables declaration – do not modify

private javax.swing.JButton exportButton;

private javax.swing.JButton groupButton;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel2;

private javax.swing.JLabel jLabel3;

private javax.swing.JLabel jLabel4;

private javax.swing.JList jList1;

private javax.swing.JScrollPane jScrollPane1;

private javax.swing.JScrollPane jScrollPane2;

private javax.swing.JTextArea jTextArea1;

private javax.swing.JTextField jTextField1;

private javax.swing.JLabel loading;

private javax.swing.JComboBox numberPerGroup;

private javax.swing.JButton readStuInfoButton;

// End of variables declaration

}

自动分组界面：

原文链接：https://blog.csdn.net/u013395339/article/details/20238469

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