package edu.xcdq.mall;
import java.util.Arrays;
import java.util.Scanner;
/**
*商品管理类
*/
public class ArticleManage {
ArticleSet articleSet = newArticleSet();
public void initial () {
Article xiyouji = newArticle();
xiyouji.setArticle("西游记" , 10, 1,0);
Article hongloumen = newArticle();
hongloumen.setArticle("红楼梦",20 ,1, 0);
Article tutu = new Article();
tutu.setArticle("图图",10,1,0 );
articleSet.articles[0] =xiyouji;
articleSet.articles[1] =hongloumen;
articleSet.articles[2] =tutu;
}
public void startMenu () {
boolean flag = true ;
do {
System.out.println("*******************************");
System.out.println("1新增图书");
System.out.println("2查看图书");
System.out.println("3删除图书");
System.out.println("4借出图书");
System.out.println("5归还图书");
System.out.println("6退出");
System.out.println("********************************");
System.out.println("请输入你要执行的功能编号：");
Scanner scanner = newScanner(System.in);
int gongnengBianhao =scanner.nextInt();
switch ( gongnengBianhao) {
case 1:
System.out.println("新增图书");
add();
break;
case 2:
System.out.println("查看图书");
chakan();
break;
case 3:
System.out.println("删除图书");
delete();
break;
case 4:
System.out.println("借出图书");
sell();
break;
case 5:
System.out.println("归还图书");
leaderboard();
break;
case 6:
System.out.println("感谢使用，已经退出");
flag = false ;
break;
default:
System.out.println("你输入的功能编号有误");
break;
}
}while ( flag );
}
public void leaderboard(){
int count = 0 ;
for ( int i = 0 ; i
if (articleSet.articles[i] != null ) {
count ++ ;
}
}
Article[] newTemp = newArticle[count];
for ( int i =0 ; i < count; i ++ ) {
newTemp[i] =articleSet.articles[i];
}
for ( int i =0 ; i
for ( int j = 0 ; j
if ( newTemp[j+1] != null) {
if (newTemp[j].number < newTemp[j+1].number ) {
Article temp= newTemp[j];
newTemp[j] =newTemp[j+1];
newTemp[j+1]= temp;
}
}
}
}
//显示名次
System.out.println("名次： \t 销售数量 \t 商品名称");
for (int i = 0; i
System.out.println( (i+1)+"\t" + newTemp[i].number + "\t" + newTemp[i].name );
}
}
public void sell(){
System.out.println("请输入你要借出的书的名字：");
Scanner scanner = newScanner(System.in);
String name = scanner.next();
boolean flag = true;
for (int i= 0 ; i
if (articleSet.articles[i] != null &&articleSet.articles[i].name.equals(name) ) {
System.out.println("请输入要借出的数量：");
int maichu =scanner.nextInt();
if ( maichu < articleSet.articles[i].amount) {
articleSet.articles[i].amount = articleSet.articles[i].amount - maichu;
articleSet.articles[i].number = articleSet.articles[i].number + maichu;
flag = true;
}else {
flag = false;
System.out.println("库存不够了");
}
break;
} else {
flag = false;
}
}
if(flag) {
System.out.println("卖出成功");
}else{
System.out.println("卖出失败");
}
}
private void delete() {
System.out.println("输入你要删除的书编号：");
Scanner scanner = newScanner(System.in);
int delNo = scanner.nextInt();
boolean flag = true;
for ( int i = 0 ; i
if ( delNo == (i+1) && articleSet.articles[i] !=null ) {
int j = i ; //备份下标
while ( articleSet.articles[j+1] != null ){
articleSet.articles[j] = articleSet.articles[j+1] ;
j++ ;
}
articleSet.articles[j] = null;
flag = true;
break;
} else {
flag =false;
}
}
if (flag) {
System.out.println("删除成功");
}else {
System.out.println("删除失败！");
}
}
public void chakan() {
System.out.println("编号 \t 名称 \t 库存 \t 单价 \t 售出数量");
for (int i = 0; i
if (articleSet.articles[i] != null ) {
articleSet.articles[i].print(i+1);
}
}
}
public void add() {
Scanner scanner = newScanner(System.in);
System.out.println("请输入书的名字：");
String name = scanner.next();
System.out.println("价格：");
double price =scanner.nextDouble();
System.out.println("库存：");
int kucun =scanner.nextInt();
System.out.println("售出数量：");
int number = scanner.nextInt();
Article newArticle = newArticle();
newArticle.setArticle(name ,kucun ,price , number );
for ( int i =0 ; i
if (articleSet.articles[i] == null ) {
articleSet.articles[i] =newArticle;
break;
}
}
}
}
