根据是否为会员及购物金额来打折
package com.itheima.fiest;
import java.util.Scanner;
public class bu {
public static void main(String[] args) {
Scanner input=new Scanner(System.in);
System.out.print("请输入是否是会员:是/否");
String a=input.next();
System.out.print("请输入购物金额:");
int b=input.nextInt();
double c=b*0.75;
double d=b*0.8;
double e=b*0.9;
if(a.equals("是")) {
if(b>=200) {
System.out.print("实际支付:"+c);
}
else if(b<200) {
System.out. println("实际支付:"+d);
} //注意大括号的包含范围,包错了则否之后的内容输出不了
}else if(a.equals("否")&&(b>=100)) {
System.out.print("实际支付:"+e);
} else {
System.out.print("实际支付:"+b);
}
}
}
根据会员积分来打折
package com.itheima.fiest;
import java.util.Scanner;
public class zuoye3 {
public static void main(String[] args) {
Scanner input=new Scanner(System.in);
System.out.print("请输入会员积分:");
int x=input.nextInt(); //积分
if (x>=8000) {
System.out.println("该会员享受的折扣是:0.6");
}else if(x>=4000){
System.out.println("该会员享受的折扣是:0.7");
}else if(x>=2000) {
System.out.println("该会员享受的折扣是:0.8");
}else if(x<200) {
System.out.println("该会员享受的折扣是:0.9");
}
}
}