航班訂票系統(tǒng)java實(shí)現(xiàn)

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發(fā)布日期: 2023-11-13
語(yǔ)言: Java
標(biāo)簽: 航班??訂票??java??

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java實(shí)現(xiàn)的航班訂票系統(tǒng)，帶界面，連網(wǎng)絡(luò)的。

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代碼片段和文件信息

package?flight.assist;

import?javax.swing.*;
import?java.io.*;
import?java.sql.*;

public?class?SeatInfo?
{
	private?SqlBean?sqlBean?=?new?SqlBean（）;
	private?RandomAccessFile?raf;
	private?final?int?FLIGHT_PER_DAY?=?10;

	public?SeatInfo（）
	{
????????????File?file=new?File（“.““data“）;
????????	file.mkdir（）;
????????	File?f?=?new?File（file“SeatInfo.txt“）;???????????
		
		try
		{
			raf?=?new?RandomAccessFile（f“rw“）;
			
			if?（raf.length（）?==?0）
			{
				raf.setLength（31?*?4?*?FLIGHT_PER_DAY）;	
				for?（int?i?=?0?;?i?			???????raf.writeInt（0）;
			}		
		}
		catch（Exception?e）
		{
			e.printStackTrace（）;
		}		
		
	}
	
	public?boolean?isFull（String?flightNumString?day）
	{
	????try
	????{
	?????	long?index?=?cacuIndex（day）;
		????long?address?=?cacuAddr（flightNum）;
		????long?absoluteAddress?=?index?+?address;
	????
		????raf.seek（absoluteAddress）;
		????int?bookedSeats?=?raf.readInt（）;
	???????	String?sqlString?=?“select?seat?from?flight?where?flight=‘“?+?flightNum?+?“‘“;
			ResultSet?rs?=?sqlBean.executeQuery（sqlString）;
			
			int?totalSeats?=?0;	
				
			while?（rs.next（））
				totalSeats?=?rs.getInt（1）;	
			if?（totalSeats?==?bookedSeats）
			???return?true;
			else
			???return?false;
	????
	????}
	????catch（Exception?e）
	????{
	???????	return?false;
	????}		
	}
	
	public?int?dingPiao（String?flightNumString?dayint?seats）
	{
		int?leftSeats?=?0;
		try
	????{
	????	long?index?=?cacuIndex（day）;
		????long?address?=?cacuAddr（flightNum）;
		????long?absoluteAddress?=?index?+?address;
		????
		????raf.seek（absoluteAddress）;
		????int?bookedSeats?=?raf.readInt（）;
	????
	????	String?sqlString?=?“select?seatweek?from?flight?where?flight=‘“?+?flightNum?+?“‘?“;
			ResultSet?rs?=?sqlBean.executeQuery（sqlString）;
			
			int?totalSeats?=?0;	
			String?week=““;	
			while?（rs.next（））			???
		???	{
		???		totalSeats?=?rs.getInt（1）;
		???		week=rs.getString（2）;
		???	}			???	
			????
			String?c=isAbsence（day）;
		????int?flag=0;
			for（int?i=0;i			{
				String?w=week.substring（ii+1）;
				if（c.equals（w））?
				{
					flag=1;
					break;?
				}
			}
			
			if（flag==1）
			{
				leftSeats?=?totalSeats?-?bookedSeats;
			
				if?（leftSeats?>=?seats）
				{
					raf.seek（absoluteAddress）;
					raf.writeInt（bookedSeats?+?seats）;
					return?-1;
				}
				else
				????return?leftSeats;
			}
			else
			?????return?-2;
						???
			
	????}
	????catch（Exception?e）
	????{
	???????e.printStackTrace（）;
	????}
	????
	????return?leftSeats;
	}
	
	public?void?tuiPiao（String?flightNumString?dayint?seats）
	{
?????????try
?????????{
?????????	long?index?=?cacuIndex（day）;
		????long?address?=?cacuAddr（flightNum）;
		????long?absoluteAddress?=?index?+?address;
		????
		????raf.seek（absoluteAddress）;
		????int?bookedSeats?=?raf.readInt（）;
		???
		????if?（bookedSeats?		???????JOptionPane.showMe

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-04-23?09:51??航班系統(tǒng)（java）\
?????目錄???????????0??2014-04-23?08:47??航班系統(tǒng)（java）\.metadata\
?????文件???????????0??2014-04-23?08:47??航班系統(tǒng)（java）\.metadata\.lock
?????目錄???????????0??2014-04-24?02:05??航班系統(tǒng)（java）\.metadata\.plugins\
?????目錄???????????0??2014-04-24?02:05??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\
?????目錄???????????0??2014-04-23?23:33??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\
?????目錄???????????0??2014-04-23?09:03??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\10\
?????文件????????9459??2014-04-23?09:02??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\10\0000341683ca0013141c84e633bfb104
?????目錄???????????0??2014-04-23?09:03??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\15\
?????文件????????4155??2014-04-23?09:02??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\15\801a3a1683ca0013141c84e633bfb104
?????目錄???????????0??2014-04-23?09:03??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\17\
?????文件????????4388??2014-04-23?09:02??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\17\c0983f1683ca0013141c84e633bfb104
?????目錄???????????0??2014-04-23?09:05??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\18\
?????文件????????1900??2014-04-23?09:04??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\18\f0dfb55083ca0013141c84e633bfb104
?????目錄???????????0??2014-04-23?09:03??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\19\
?????文件????????6051??2014-04-23?09:02??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\19\e0043b1683ca0013141c84e633bfb104
?????目錄???????????0??2014-04-23?09:12??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\1f\
?????文件????????7280??2014-04-23?09:12??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\1f\e0f5134b84ca0013141c84e633bfb104
?????目錄???????????0??2014-04-23?09:48??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\26\
?????文件????????4490??2014-04-23?09:27??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\26\60f94d6089ca0013141c84e633bfb104
?????目錄???????????0??2014-04-23?09:03??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\27\
?????文件????????4252??2014-04-23?09:02??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\27\b01e381683ca0013141c84e633bfb104
?????目錄???????????0??2014-04-23?09:48??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\2a\
?????文件????????1881??2014-04-23?09:34??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\2a\80b8506089ca0013141c84e633bfb104
?????目錄???????????0??2014-04-23?09:03??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\37\
?????文件????????6253??2014-04-23?09:01??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\37\900c2e1683ca0013141c84e633bfb104
?????目錄???????????0??2014-04-23?09:27??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\3c\
?????文件????????4497??2014-04-23?09:23??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\3c\205ed96c86ca0013141c84e633bfb104
?????目錄???????????0??2014-04-23?09:05??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\6c\
?????文件????????4388??2014-04-23?09:04??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\6c\e06ab65283ca0013141c84e633bfb104
?????目錄???????????0??2014-04-23?09:03??航班系統(tǒng)（java）\.metadata\.plugins\org.eclipse.core.resources\.history\77\
............此處省略531個(gè)文件信息

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航班訂票系統(tǒng)java實(shí)現(xiàn)

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