Java实现航空航班管理系统

本文实例为大家分享了Java实现航空航班管理系统的具体代码,供大家参考,具体内容如下

Plane对象:

在Plane对象里定义了飞机的编号id、航班号、目的地、起飞日期。生成了构造方法和toString()方法;以及getting()和setting()方法,但在程序里没用到。

package com.hangkong;public class Plane {  private int id;//编号 private String planeNum;//航班号 private String address;//目的地 private String date;//日期    public Plane(int id, String planeNum, String address, String date) {  super();  this.id = id;  this.planeNum = planeNum;  this.address = address;  this.date = date; }  public Plane(){  super(); } //Alt+Shift+s public int getId() {  return id; } public void setId(int id) {  this.id = id; } public String getPlaneNum() {  return planeNum; } public void setPlaneNum(String planeNum) {  this.planeNum = planeNum; } public String getAddress() {  return address; } public void setAddress(String address) {  this.address = address; } public String getDate() {  return date; } public void setDate(String date) {  this.date = date; }  @Override public String toString() {  return "Plane" + id + "\t\t" + planeNum + "\t\t" + address + "\t\t" + date;  //return "Plane ID:" + id + "\t航班编号:" + planeNum + "\t目的地:" + address + "\t起飞时间:" + date; }}

MySQL数据库:

数据库名字是Fly,数据表是plane;在getcon()函数中注册驱动、获取连接

SET FOREIGN_KEY_CHECKS=0;-- ------------------------------ Table structure for `plane`-- ----------------------------DROP TABLE IF EXISTS `plane`;CREATE TABLE `plane` (  `id` int(20) NOT NULL AUTO_INCREMENT,  `planeNum` varchar(20) DEFAULT NULL,  `address` varchar(20) DEFAULT NULL,  `date` varchar(20) DEFAULT NULL,  PRIMARY KEY (`id`)) ENGINE=InnoDB AUTO_INCREMENT=16 DEFAULT CHARSET=utf8;-- ------------------------------ Records of plane-- ----------------------------INSERT INTO `plane` VALUES ('1', 'DZ001', '东京', '2019-9-1');INSERT INTO `plane` VALUES ('2', 'DZ002', '上海', '2019-8-28');INSERT INTO `plane` VALUES ('3', 'DZ003', '广州', '2019-8-29');INSERT INTO `plane` VALUES ('4', 'DZ004', '深圳', '2019-8-29');INSERT INTO `plane` VALUES ('5', 'DZ005', '厦门', '2019-8-30');INSERT INTO `plane` VALUES ('6', 'DZ006', '杭州', '2019-8-30');INSERT INTO `plane` VALUES ('7', 'DZ007', '武汉', '2019-8-30');INSERT INTO `plane` VALUES ('8', 'DZ008', '成都', '2019-8-30');INSERT INTO `plane` VALUES ('9', 'DZ009', '西安', '2019-8-30');INSERT INTO `plane` VALUES ('10', 'DZ0010', '郑州', '2019-8-30');INSERT INTO `plane` VALUES ('11', 'DZ0011', '长沙', '2019-8-30');INSERT INTO `plane` VALUES ('12', 'DZ0012', '民权', '2019-8-31');INSERT INTO `plane` VALUES ('13', 'DZ0013', '莫斯科', '2019-9-1');INSERT INTO `plane` VALUES ('14', 'DZ0014', '曼谷', '2019-9-2');INSERT INTO `plane` VALUES ('15', 'DZ0015', '阿布扎比', '2019-9-2');

主程序TestFly:

TestFly类中有实现各种功能的函数,包括 1.列出所有航班,2.按起飞时间查询,3.按目的地查询,4.删除航班,5.更新航班,6.增加航班,7.退出系统。

package com.hangkong;import java.sql.Connection;import java.sql.DriverManager;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.util.HashSet;import java.util.Scanner;import java.util.Set;import org.omg.CosNaming.NamingContextExtPackage.StringNameHelper;import com.mysql.jdbc.ExceptionInterceptor;import com.sun.javafx.runtime.VersionInfo;import com.sun.xml.internal.ws.api.pipe.NextAction;public class TestFly { static Connection con = null;//连接 static PreparedStatement ps = null;//模板 static ResultSet rs = null;//结果集  public static void main(String[] args) throws Exception {  System.out.println("******************************************大壮航空航班信息管理系统********************************************\n");  //show();  boolean bool = Dome();  while(bool){   bool = Dome();  }  if(!bool){   System.out.println("**************************************已成功退出大壮航空航班信息管理系统**************************************\n");   System.exit(0);  } }  //流程 public static boolean Dome() throws Exception{  Scanner scan = new Scanner(System.in);  show();  int key = scan.nextInt();  switch (key) {  case 1:   showMessage(listMessage());   break;     case 2:{   System.out.println("输入起飞时间:");   String date = scan.next();   showMessage(selectDate(date));  }break;    case 3:{   System.out.println("输入目的地:");   String Address = scan.next();   showMessage(selectAddress(Address));  }break;    case 4:{   System.out.println("输入航班编号:");   String planeNum = scan.next();   deleteFly(planeNum);  }break;    case 5:{   System.out.println("输入航班编号和更改后目的地和时间:");   String planeNum = scan.next();   String Address = scan.next();   String date = scan.next();   updateFly(Address,date,planeNum);  }break;    case 6:{   System.out.println("输入航班编号、目的地、起飞时间:");   String planeNum = scan.next();   String Address = scan.next();   String date = scan.next();   creatPlane(planeNum,Address,date);  }break;    default:   //scan.close();   return false;  }  //scan.close();  return true; }  //注册驱动,获取连接 public static Connection getCon() throws Exception{  Class.forName("com.mysql.jdbc.Driver");  con = DriverManager.getConnection("jdbc:mysql://localhost:3306/fly", "root", "");  return con; }  //创建初始信息,插入信息 public static void creatPlane(String planeNum,String address, String date) throws Exception{  getCon();  String sql = "insert into plane values (null,?,?,?)";  ps = con.prepareStatement(sql);  ps.setString(1, planeNum);  ps.setString(2, address);  ps.setString(3, date);  ps.executeUpdate();  ps.close();  con.close();  selectPlaneNum(planeNum); }  //系统主菜单 public static void show(){  System.out.println("请选择操作:(1.列出所有航班,2.按起飞时间查询,3.按目的地查询,4.删除航班,5.更新航班,6.增加航班,7.退出系统)"); }  //获取结果集合输出 public static void showMessage(Set<Plane> set){  System.out.println("\n********************************大壮航空***********************************\n");  if(set.size() == 0){   System.out.println("未匹配到任何数据!");   System.out.println("\n********************************大壮航空***********************************\n");   return;  }  System.out.println("Plane\t\t航班编号\t目的地\t\t起飞时间");  for( Plane value : set){   System.out.println(value);  }  System.out.println("\n********************************大壮航空***********************************\n"); }  //列出所有航班信息 public static Set<Plane> listMessage() throws Exception{  getCon();  String sql = "select * from plane";  ps = con.prepareStatement(sql);  rs = ps.executeQuery();    Set<Plane> set = new HashSet<>();    while(rs.next()){   int id = rs.getInt("id");   String planeNum = rs.getString("planeNum");   String address = rs.getString("address");   String dateTime = rs.getString("date");   Plane plane = new Plane(id, planeNum, address, dateTime);   set.add(plane);  }  ps.close();  con.close();  return set; }  //按起飞时间查询 public static Set<Plane> selectDate(String date) throws Exception{  getCon();  String sql = "select * from plane where date = ? ";  ps = con.prepareStatement(sql);  ps.setString(1, date);  rs = ps.executeQuery();    Set<Plane> set = new HashSet<>();  //String planes = "";  while(rs.next()){   int id = rs.getInt("id");   String planeNum = rs.getString("planeNum");   String address = rs.getString("address");   String dateTime = rs.getString("date");   Plane plane = new Plane(id, planeNum, address, dateTime);   set.add(plane);   //planes += plane.toString() + "\n";  }  ps.close();  con.close();  return set; }  //按目的地查询 public static Set<Plane> selectAddress(String Address) throws Exception{  getCon();  String sql = "select * from plane where address = ? ";  ps = con.prepareStatement(sql);  ps.setString(1, Address);  rs = ps.executeQuery();    Set<Plane> set = new HashSet<>();  //String planes = "";    while(rs.next()){   int id = rs.getInt("id");   String planeNum = rs.getString("planeNum");   String address = rs.getString("address");   String dateTime = rs.getString("date");   Plane plane = new Plane(id, planeNum, address, dateTime);   set.add(plane);   //planes += plane.toString() + "\n";  }  ps.close();  con.close();  return set; }  //按航班编号 public static void selectPlaneNum(String planeNum) throws Exception{  getCon();  String sql = "select * from plane where planeNum = ? ";  ps = con.prepareStatement(sql);  ps.setString(1, planeNum);  rs = ps.executeQuery();  boolean x = true;  while(rs.next()){   if(x){    System.out.println("\n********************************大壮航空***********************************\n");    System.out.println("Plane\t\t航班编号\t目的地\t\t起飞时间");   }   int id = rs.getInt("id");   String planenum = rs.getString("planeNum");   String address = rs.getString("address");   String date = rs.getString("date");   System.out.println("Plane" + id + "\t\t" + planenum + "\t\t" + address + "\t\t" + date);   x = false;  }  System.out.println("\n********************************大壮航空***********************************\n"); } //按航班编号删除航班 public static void deleteFly(String planeNum) throws Exception{  getCon();  String sql = "delete from plane where planeNum = ? ";  ps = con.prepareStatement(sql);  ps.setString(1, planeNum);  ps.executeUpdate();  ps.close();  con.close();  System.out.println("\n********************************大壮航空***********************************\n");  System.out.println("已删除!");  System.out.println("\n********************************大壮航空***********************************\n"); }  //按航班编号更新航班目的地和时间 public static void updateFly(String Address,String date,String planeNum) throws Exception{  getCon();  String sql = "update plane set address = ?,date = ? where planeNum = ? ";  ps = con.prepareStatement(sql);  ps.setString(1, Address);  ps.setString(2, date);  ps.setString(3, planeNum);  ps.executeUpdate();  ps.close();  con.close();  selectPlaneNum(planeNum); }}

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

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Java实现航空航班管理系统

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