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1、//BusSystem.java//秦皇島公交信息查詢系統(tǒng)單機(jī)測試平臺//用于以窗口形式輸入查詢站點(diǎn)，輸出乘車方案importjava.awt.*;importjava.awt.event.*;importjavax.swing.*;importjavax.swing.border.TitledBorder;publicclassBusSystemextendsJFrameimplementsActionListener{privateJTextFieldjtfBeginSta=newJTextField(10);privateJTextFieldjtfEndSta

2、=newJTextField(10);privateJTextAreajtaResult;privateJButtonjbtQuery=newJButton("查詢");publicBusSystem(){//jtfBeginSta.setHorizontalAlignment(JTextField.RIGHT);//jtfEndSta.setHorizontalAlignment(JTextField.RIGHT);JScrollPanescrollPane=newJScrollPane(jtaResult=newJTextArea());jtaResult.se

3、tEditable(false);JPanelp1=newJPanel();p1.setLayout(newGridLayout(2,3));p1.add(newLabel("起點(diǎn)車站"));p1.add(jtfBeginSta);p1.add(newLabel("終點(diǎn)車站"));p1.add(jtfEndSta);JPanelp3=newJPanel();p3.setLayout(newBorderLayout(2,1));p3.add(newLabel("查詢結(jié)果"),BorderLayout.NORTH);p3.add(scrollPane,BorderLay

4、out.CENTER);p1.setBorder(newTitledBorder(""));JPanelp2=newJPanel();p2.setLayout(newFlowLayout(FlowLayout.RIGHT));p2.add(jbtQuery);getContentPane().add(p1,BorderLayout.NORTH);getContentPane().add(p2,BorderLayout.SOUTH);getContentPane().add(p3,BorderLayout.CENTER);jbtQuery.addActionListe

5、ner(this);}publicstaticvoidmain(String[]args){BusSystemframe=newBusSystem();frame.setTitle("秦皇島公交信息查詢系統(tǒng)");frame.setSize(300,500);frame.setVisible(true);}publicvoidactionPerformed(ActionEvente){if(e.getSource()==jbtQuery){StringbeginSta=jtfBeginSta.getText();StringendSta=jtfEndSta.getTe

6、xt();StringresultQuery;booleanisFinded;Finding_waymyFind=newFinding_way();myFind.createFindWay(beginSta,endSta);isFinded=myFind.find_bestway();if(isFinded){resultQuery=myFind.output();//System.out.println(myFind.output());}else{resultQuery="對不起，未找到可行方案！";}jtaResult.setText(resultQuer

7、y);}}}//Finding_way.java//該類用來計(jì)算乘車方案。importjava.net.URL;importjava.sql.*;publicclassFinding_way{privateBeg_end_stainputstation;//起始站點(diǎn)privatePath[]bestpath;//20個乘車方案privatebooleanisfinding;//是否找到可行的乘車方案privateintpathTotal;privateinterrState=0;//1表示沒有直達(dá)方案2表示起點(diǎn)站與終點(diǎn)站為同一站點(diǎn)//3表示間接查詢中，起點(diǎn)站不存