火车票售票系统源代码（train ticket booking system source code）

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1、火车票售票系统源代码（Trainticketbookingsystemsourcecode）importjava.awt.*;importjava.awt.event.actionevent;importjava.awt.event.actionlistener;importjava.io.*;importjavax.swing.*;importjavax.swing.border.titledborder;importjava.io.bufferedwriter;importjava.io.file;importjava.io

2、.filenotfoundexception;importjava.io.filereader;importjava.io.filewriter;importjava.io.ioexception;importjava.sql.drivermanager;importjava.sql.resultset;importjava.sql.statement;publicclasstraininformationqueryextendsjframe{privatecontainerfile.privatecomponentopen;p

3、ublictraininformationquery(){jpanelp1=newjpanel(newflowlayout(flowlayout.center));jpanelp2=newjpanel(newflowlayout(flowlayout.center));jpanelp3=newjpanel(newflowlayout(flowlayout.center));jpanelp4=newjpanel();jlabeljlb1=newjlabel("火车站列车时刻表");jlabeljlb2=newjlabel("车次"

4、);thefinaljtextfieldjtf=newjtextfield(8).jbuttonjbt1=newjbutton("查询");jbuttonjbt2=newjbutton("全部火车信息");thefinaljtextareajta=newjtextarea(10.30);p1.add(jlb1);p2.add(jta);p2.setborder(newtitledborder(""));p3.add(jlb2);p3.add(jtf);p3.add(jbt1);p3.add(jbt2);p4.add(p1,bor

5、derlayout.north);p4.add(p2,borderlayout.center);p4.add(p3,borderlayout.south);p4.setborder(newtitledborder(""));add(p4).//查询按钮thefinaljpanelpanel=newjpanel();jbt1.addactionlistener(newactionlistener(){publicvoidactionperformed(actionevent){jfilechooseropenfile=newjfi

6、lechooser();openfile.setdialogtitle("打开文件");openfile.setapprovebuttontext("打开");openfile.showopendialog(panel).filefilename=openfile.getselectedfile();stringbufferstrbf=newstringbuffer();stringerror_message="error".fileinputstreaminputfile=null;try{charbuffer[]=newch

7、ar[1024];inputfile=newfileinputstream(filename);inti=0;//如下为依次读取文件中的每一行内容,将其加入stringbuffer数据类型便利strbf中filereader=newfilereader(filename.getabsolutefile());while((len=in.read(buffer).=-1){strbf.append(buffer,0,len);}inputfile.close();//文本框对象text使用函数settext将stringbuffe

8、r的string写入文本框中jta.settext(strbf.tostring());stringopenfilename=filename.getname();settitle（openfilename）；}catch（IOExceptionioex）{sh