Java实现航空航班管理系统,久久派带你了解更多相关信息。
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趣讯吧。
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