java实现鲜花销售系统

public class Flower {
 private int number;
 private String name;
 private int count;
 private double price;
 private String date;
 private String saler;
 
 public Flower(int number, String name, int count, double price, String date, String saler) {
  super();
  this.number = number;
  this.name = name;
  this.count = count;
  this.price = price;
  this.date = date;
  this.saler = saler;
 }
 
 public Flower() {
  super();
  // TODO Auto-generated constructor stub
 }

 public int getNumber() {
  return number;
 }
 public void setNumber(int number) {
  this.number = number;
 }
 public String getName() {
  return name;
 }
 public void setName(String name) {
  this.name = name;
 }
 public int getCount() {
  return count;
 }
 public void setCount(int count) {
  this.count = count;
 }
 public double getPrice() {
  return price;
 }
 public void setPrice(double price) {
  this.price = price;
 }
 public String getDate() {
  return date;
 }
 public void setDate(String date) {
  this.date = date;
 }
 public String getSaler() {
  return saler;
 }
 public void setSaler(String saler) {
  this.saler = saler;
 }
 
}

import java.util.*;

import java.util.Scanner;

public class FlowerMgr {
 Scanner input1=new Scanner(System.in);
 static Flower[] flower=new Flower[5];
 //public void inital(){
 //初始化，花的数组
 
 static{
  flower[0]=new Flower(1001,"香槟玫瑰",10,318.0,"2018-12-12","王二");
  flower[1]=new Flower(1002,"白玫瑰",99,538.0,"2018-2-2","张星宇");
  flower[2]=new Flower(1003,"紫色桔梗",40,123.0,"2018-12-16","王二");
  flower[3]=new Flower(1004,"粉色百合",120,188.0,"2016-12-11","王二");
  flower[4]=new Flower(1005,"无声的爱",1000,219.0,"2016-12-15","张星宇");
 }
 
 //完成功能面板的展示功能
 public void mainMenu(){
  System.out.println("~~~~~~~~~~欢迎光临鲜花管理系统~~~~~~~~~~~");
  System.out.println("\t1.查询销售订单");
  System.out.println("\t2.修改销售订单");
  System.out.println("\t3.删除销售订单");
  System.out.println("\t4.系统退出");
  System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
 }
 //查询订单功能
 public void searchAll(){
  System.out.println("这里是全部的订单");
  
  System.out.println("编号\t鲜花名称\t销售数量\t价格\t销售日期\t\t销售员");
  for(int i=0;i<flower.length;i++){
   **if(flower[i]!=null)**{
    Flower f=flower[i];
    System.out.println(f.getNumber()+"\t"+f.getName()+"\t"+f.getCount()+"\t"
      +f.getPrice()+"\t"
      +f.getDate()+"\t"+f.getSaler());
    
   }
  }
 }
 //修改订单功能
 public void updateSale(){
   System.out.println("这里是修改订单功能");
  searchAll();
  System.out.println("请输入要修改编号");
  
  int  index=-1;
  int  num1=input1.nextInt();
  for(int i=0;i<flower.length;i++){
   Flower f=flower[i];
      int  number=f.getNumber();
   
  if(num1==number)
   index=i;
   }
  if(index==-1)System.out.println("输入的编号有误");
  else{System.out.println("请输入改变后的鲜花名称");
      String name=input1.next();
      System.out.println("请输入改变后的销售数量");
      int number=input1.nextInt();
      System.out.println("请输入改变后的价格");
      double price =input1.nextDouble();
      System.out.println("请输入改变后的销售日期");
      String date =input1.next();
      System.out.println("请输入改变后的销售员");
      String saler=input1.next();
      System.out.println("你确定要修改吗?(y/n)");
      String choice=input1.next();
      if("y".equals(choice)){
       flower[index].setName(name);
       flower[index].setCount(number);;
       flower[index].setPrice(price);
       flower[index].setDate(date);
       flower[index].setSaler(saler);
      }
      System.out.println("修改后的全部订单");
      searchAll();
   
  }
 }
 //删除订单功能
 public void deleteSale(){
  System.out.println("这里是删除订单功能");
  searchAll();
  System.out.println("请输入要删除的编号");
  int  number=input1.nextInt();
  int index=-1;
  for(int i=0;i<flower.length;i++){
   Flower f=flower[i];
   if(number==f.getNumber())
    index=i;
  }
  if(index==-1)System.out.println("你输入的编号有误");
  else{System.out.println("你要修改的订单如下");
  Flower f=flower[index];
  System.out.println("编号\t鲜花名称\t销售数量\t价格\t销售日期\t\t销售员");
  System.out.println(f.getNumber()+"\t"+f.getName()+"\t"+f.getCount()+"\t"
    +f.getPrice()+"\t"
    +f.getDate()+"\t"+f.getSaler());
  System.out.println("你确定要删除吗(y/n)");
  System.out.println("请选择");
  String choice=input1.next();
  if("y".equals(choice)){
   **for(int i=index;i<flower.length-1;i++){
    flower[i]=flower[i+1];**
   }
   **flower[flower.length-1]=null;**
   System.out.println("删除成功");
   searchAll();
   
  }
  else
  {System.out.println("已取消删除");}
  
  }
  
 }
 
}

import java.util.Scanner;

public class test {
 public static void main(String[] args) {
  do{Scanner input=new Scanner(System.in);//打印对象
  
  FlowerMgr f=new FlowerMgr();
  f.mainMenu();
  System.out.println("请选择");
  int num=input.nextInt();
  //方法的选用
  switch(num){
  case 1: f.searchAll();break;//查询销售订单
  case 2:f.updateSale();break;//修改订单功能
  case 3:f.deleteSale();break;//删除功能
  case 4: return;
  }}while(true);
 }
}