Java编写一个图形界面_CMS教程

我觉得还是我的好些。。。

import javaawtBorderLayout;

import javaawtColor;

import javaawtFlowLayout;

import javaawtGridLayout;

import javaawtToolkit;

import javaawteventMouseAdapter;

import javaawteventMouseEvent;

import javaioFileOutputStream;

import javaxswingJButton;

import javaxswingJFrame;

import javaxswingJLabel;

import javaxswingJOptionPane;

import javaxswingJPanel;

import javaxswingJTextField;

import javaxswingSwingConstants;

public class TestSwing extends JFrame{

private JLabel label1, label2, label3, label4,label5,label6,label7;

private JPanel panel,panel1,panel2;

private JTextField tField1,tField2,tField3,tField4,tField5,tField6,tField7,tField8,tField9;

private JButton button;

private String filepath="c:\\infodat";

public TestSwing(){

init();

thissetSize(300, 280);

thissetLocation(

(ToolkitgetDefaultToolkit()getScreenSize()width - this

getSize()width) / 2,

(ToolkitgetDefaultToolkit()getScreenSize()height - this

getSize()height) / 2);

thissetResizable(false);

thissetVisible(true);

thissetTitle("info");

thissetDefaultCloseOperation(JFrameEXIT_ON_CLOSE);

}

public void init(){

initPanel();

initLabel();

initTextField();

initButton();

initContent();

}

private void initContent(){

panel1add(label1);

panel1add(tField1);

panel1add(label2);

panel1add(tField2);

panel1add(label3);

panel1add(tField3);

panel1add(label4);

panel1add(tField4);

panel1add(label5);

panel1add(tField5);

panel1add(label6);

panel1add(tField6);

panel1add(label7);

panel1add(tField7);

panel1add(tField8);

panel1add(tField9);

panel2add(button);

paneladd(panel1,BorderLayoutCENTER);

paneladd(panel2,BorderLayoutSOUTH);

getContentPane()add(panel);

}

private void initPanel(){

panel = new JPanel();

panelsetLayout(new FlowLayout());

panelsetBackground(ColorWHITE);

panel1 = new JPanel();

GridLayout upLayout = new GridLayout(8, 2);

panel1setLayout(upLayout);

panel2 = new JPanel();

panel2setLayout(new FlowLayout());

}

private void initLabel(){

label1 = new JLabel("IP地址", SwingConstantsLEFT);

label2 = new JLabel("端口", SwingConstantsLEFT);

label3 = new JLabel("访问地址", SwingConstantsLEFT);

label4 = new JLabel("XXXXX", SwingConstantsLEFT);

label5 = new JLabel("XXXXX", SwingConstantsLEFT);

label6 = new JLabel("XXXXX", SwingConstantsLEFT);

label7 = new JLabel("XXXXX", SwingConstantsLEFT);

}

private void initTextField(){

tField1 = new JTextField(10);

tField2 = new JTextField(10);

tField3 = new JTextField(10);

tField4 = new JTextField(10);

tField5 = new JTextField(10);

tField6 = new JTextField(10);

tField7 = new JTextField(10);

tField8 = new JTextField(10);

tField9 = new JTextField(10);

}

private void initButton(){

button = new JButton("完成");

buttonaddMouseListener(new MouseAdapter(){

//左键点击

public void mouseClicked(MouseEvent e) {

String ipv = tField1getText()trim();

String portv = tField2getText()trim();

String addrv = tField3getText()trim();

String xx1v = tField4getText()trim();

String xx2v = tField5getText()trim();

String xx3v = tField6getText()trim();

String xx4v = tField7getText()trim();

String inputx = tField8getText()trim();

String inputxv = tField9getText()trim();

createFile(ipv, portv, addrv, xx1v, xx2v, xx3v, xx4v, inputx, inputxv);

JOptionPaneshowMessageDialog(null, "保存成功");

tField1setText("");

tField2setText("");

tField3setText("");

tField4setText("");

tField5setText("");

tField6setText("");

tField7setText("");

tField8setText("");

tField9setText("");

}

});

}

public static void main(String[]args){

new TestSwing();

}

private void createFile(String ipv,String portv ,String addrv,String xx1v,String xx2v,String xx3v,String xx4v,String inputx,String inputxv){

StringBuffer context = new StringBuffer();

contextappend("ip=")append(ipv)append("\n");

contextappend("port=")append(portv)append("\n");

contextappend("addr=")append(addrv)append("\n");

contextappend("xx1=")append(xx1v)append("\n");

contextappend("xx2=")append(xx2v)append("\n");

contextappend("xx3=")append(xx3v)append("\n");

contextappend("xx4=")append(xx4v)append("\n");

contextappend(inputx)append("=")append(inputxv)append("");

FileOutputStream fos = null;

try {

fos = new FileOutputStream(filepath);

foswrite(contexttoString()getBytes());

} catch (Exception e) {

} finally {

if (fos != null)

try {

fosclose();

} catch (Exception e) {

}

import javaawt;

import javaawtevent;

import javautil;

import javaxswing;

import javaxswingborderBorder;

class MainFrame extends JFrame {

private static final long serialVersionUID = 1L;

private Map<String, Integer> sizes = new HashMap<String, Integer>();

private Map<String, Integer> styles = new HashMap<String, Integer>();

private Map<String, Integer> toppings = new HashMap<String, Integer>();

public MainFrame() {

sizesput("Extra Large", 10);

sizesput("Large", 8);

sizesput("Medium", 5);

sizesput("Small", 3);

stylesput("Deep Dish", 20);

stylesput("Regular", 10);

stylesput("Thin Crust", 5);

stylesput("Chicago", 3);

toppingsput("Cheese", 8);

toppingsput("Tomato", 7);

toppingsput("Peppers", 6);

toppingsput("Peperoni", 5);

thissetTitle("布局及事件处理");

thissetSize(450, 350);

thissetLayout(new BorderLayout());

thissetDefaultCloseOperation(JFrameEXIT_ON_CLOSE);

JLabel lblTitle = new JLabel();

lblTitlesetText("Pizzeria Juno");

lblTitlesetFont(new Font("宋体", FontBOLD, 36));

lblTitlesetHorizontalAlignment(SwingConstantsCENTER);

thisadd("North", lblTitle);

JPanel bodyPanel = new JPanel();

bodyPanelsetLayout(new GridLayout(2, 1));

thisadd("Center", bodyPanel);

JPanel listPanel = new JPanel();

listPanelsetLayout(new GridLayout(1, 3));

listPanelsetSize(200, 200);

bodyPaneladd(listPanel);

Border lineBorder = BorderFactorycreateLineBorder(ColorBLACK);

JPanel sizePanel = new JPanel();

sizePanelsetLayout(new BorderLayout());

listPaneladd(sizePanel);

JLabel sizeTitle = new JLabel();

sizeTitlesetText("Sizes");

sizePaneladd("North", sizeTitle);

JList sizeList = new JList(sizeskeySet()toArray());

sizeListsetSize(100, 100);

sizeListsetBorder(lineBorder);

sizeListsetSelectionMode(ListSelectionModelSINGLE_SELECTION);

sizePaneladd(sizeList);

JPanel stylePanel = new JPanel();

stylePanelsetLayout(new BorderLayout());

listPaneladd(stylePanel);

JLabel styleTitle = new JLabel();

styleTitlesetText("Styles");

stylePaneladd("North", styleTitle);

JList styleList = new JList(styleskeySet()toArray());

styleListsetSize(100, 100);

styleListsetBorder(lineBorder);

styleListsetSelectionMode(ListSelectionModelSINGLE_SELECTION);

stylePaneladd(styleList);

JPanel toppingPanel = new JPanel();

toppingPanelsetLayout(new BorderLayout());

listPaneladd(toppingPanel);

JLabel toppingTitle = new JLabel();

toppingTitlesetText("Toppings");

toppingPaneladd("North", toppingTitle);

JList toppingList = new JList(toppingskeySet()toArray());

toppingListsetSize(100, 100);

toppingListsetBorder(lineBorder);

toppingPaneladd(toppingList);

JTextArea txtResult = new JTextArea();

txtResultsetEditable(false);

bodyPaneladd(txtResult);

JPanel bottomPanel = new JPanel();

bottomPanelsetLayout(new GridLayout(1, 3));

thisadd("South", bottomPanel);

JLabel label1 = new JLabel("Click to complete order");

bottomPaneladd(label1);

JButton btnRingUp = new JButton("Ring up");

btnRingUpaddActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

if(sizeListgetSelectedValue() == null) {

JOptionPaneshowMessageDialog(MainFramethis, "Please select size");

return;

}

if(styleListgetSelectedValue() == null) {

JOptionPaneshowMessageDialog(MainFramethis, "Please select style");

return;

}

if(toppingListgetSelectedValue() == null) {

JOptionPaneshowMessageDialog(MainFramethis, "Please select topping");

return;

}

float total = 0;

String size = sizeListgetSelectedValue()toString();

total += sizesget(size);

String style = styleListgetSelectedValue()toString();

total += stylesget(style);

String result = size + " Pizza, " + style + " Style";

Object[] toppings = toppingListgetSelectedValues();

for(Object topping : toppings) {

result += "\n +" + toppingtoString();

total += MainFramethistoppingsget(toppingtoString());

}

result += "\n Total: " + total;

txtResultsetText(result);

}

});

bottomPaneladd(btnRingUp);

JButton btnQuit = new JButton("Quit");

btnQuitaddActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

MainFramethisdispose();

}

});

bottomPaneladd(btnQuit);

}

public class App {

public static void main(String[] args) {

MainFrame mainFrame = new MainFrame();

mainFramesetVisible(true);

}

以下为两个类

//文本框,密码框,按钮,标签

import javaawtFlowLayout;

import javaawteventActionEvent;

import javaawteventActionListener;

import javasqlSQLException;

import javaxswingJButton;

import javaxswingJFrame;

import javaxswingJLabel;

import javaxswingJOptionPane;

import javaxswingJPasswordField;

import javaxswingJTextField;

import comtestkaoshiconntest;

public class CM extends JFrame {

public CM() {

thissetTitle("古少毅Java");

thissetBounds(200, 200, 200, 200);

final JTextField jf1 = new JTextField(10);

final JPasswordField jf2 = new JPasswordField(10);

JButton jb1 = new JButton("确定");

JButton jb2 = new JButton("重置");

JLabel lb1 = new JLabel(" 帐户名");

JLabel lb2 = new JLabel(" 密码");

setLayout(new FlowLayout());

add(lb1);

add(jf1);

add(lb2);

add(jf2);

add(jb1);

add(jb2);

jb1addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

}

});

jb2addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

jf1setText(null);

jf2setText(null);

}

});

thissetDefaultCloseOperation(EXIT_ON_CLOSE);

thissetVisible(true);

}

public static void main(String[] args) {

new CM();

}

//10以内的随机数

public class 随机数 {

public static void main(String[] args) {

double a = Mathrandom() 10;

a = Mathceil(a);

int randomNum = new Double(a)intValue();

switch (randomNum) {

case 1: