java校园导航_校园导航 – java代码库 – 云代码

[java]代码库package xiaoyuandaohang;

import java.awt.Color;

import java.awt.Graphics;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.KeyAdapter;

import java.awt.event.KeyEvent;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import javax.swing.AbstractButton;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

public class jiemian {

static int selectstart=-1;

static int selectend=-1;

public static void main(String[] args) {

// TODO Auto-generated method stub

point SimpleGraph=new point();

//窗口界面大小

int FrameWidth = 1120;

int FrameHight = 700;

//图形用户界面大小

int pictureWitch=1100;

int pictureHight=550;

//图形用户界面离窗口界面的边界宽度

int picturePanelLeftMargin = 10;

int picturePanelTopMargin = 140;

//新建一个窗口界面

JFrame mainFrame = new JFrame(“广州商学院导航系统”);

mainFrame.setSize(FrameWidth,FrameHight);

mainFrame.setVisible(true);

mainFrame.setLayout(null);

mainFrame.setResizable(false);

//新建一个图形用户界面

JPanel picturePanel = new JPanel();

picturePanel.setBounds(picturePanelLeftMargin,picturePanelTopMargin,pictureWitch,pictureHight);

picturePanel.setBackground(Color.white);

//在图形用户界面里添加图片

ImageIcon picture = new ImageIcon(“D:\\广州商学院导航图.png”);

JLabel pictureLabel=new JLabel(picture);

picturePanel.add(pictureLabel);

//在窗口界面添加图形用户界面

mainFrame.add(picturePanel);

//新建起点标签

JLabel startlabel = new JLabel();

startlabel.setText(“起点：”);

startlabel.setBounds(100,50,100,50);

mainFrame.add(startlabel);

//新建终点标签

JLabel endLabel=new JLabel();

endLabel.setText(“终点：”);

endLabel.setBounds(300,50,100,50);

mainFrame.add(endLabel);

//新建查询最短路径的按钮

JButton inquiryButton = new JButton();

inquiryButton.setText(“查询”);

inquiryButton.setBounds(600,50,100,50);

mainFrame.add(inquiryButton);

//新建下拉菜单选择起点

JComboBox start=new JComboBox();

for(int i=0;i

start.addItem(SimpleGraph.placename[i]);

}

start.setBounds(150,60,100,30);

mainFrame.add(start);

//新建下拉菜单选择终点

JComboBox end=new JComboBox();

for(int i=0;i

end.addItem(SimpleGraph.placename[i]);

}

end.setBounds(350,60,100,30);

mainFrame.add(end);

mainFrame.setVisible(true);

Graphics g=picturePanel.getGraphics();

//获取在起点和终点的菜单中的选择

start.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent evevt){

selectstart=start.getSelectedIndex();

}

});

end.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent evevt){

selectend=end.getSelectedIndex();

}

});

//调用另一个类的draw画出简易图。

SimpleGraph.draw(g);

//错误提示标签

JLabel errorLabel=new JLabel();

errorLabel.setBounds(800,50,300,50);

mainFrame.add(errorLabel);

//监听鼠标的点击

inquiryButton.addMouseListener(new MouseAdapter(){

public void mouseClicked(MouseEvent event){

//点击[查询]按钮要做的事情的代码

if(selectstart==-1||selectend==-1)

{

errorLabel.setText(“未选择起点和终点!”);

}

else if(selectstart==selectend)

{

errorLabel.setText(“选择的起点和终点相同,请重新选择!”);

}

else

{

SimpleGraph.draw(g);

//找到场所是第几个节点在传进去

SimpleGraph.drawShortestPath(SimpleGraph.place[selectstart], SimpleGraph.place[selectend],g);

}

}

});

}

}

[代码运行效果截图]

[源代码打包下载]

校园导航.zip(50积分)[35 次下载]