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LuckyNum.java
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108 lines (89 loc) · 3.25 KB
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import java.util.Scanner;
public class LuckyNum {
public static void main(String[] args) {
/*
抽奖游戏
1注册 2登录 3抽奖
注册时，系统会自动生成一个4位随机数作为卡号。
登录成功后，才能抽奖。
抽奖时，系统生成6个4位随机数作为幸运数字，
如果会员卡号是其中之一，则成为本日幸运会员；
否则不是幸运会员
*/
System.out.println("注册");
String registName = "";
String registPwd = "";
Scanner input = new Scanner(System.in);
System.out.println("请输入用户名");
registName = input.next();
System.out.println("请输入密码");
registPwd = input.next();
System.out.println("注册完毕...");
int vipNum = (int) (Math.random() * 9000) + 1000;
System.out.println("\n\n登录");
String loginName = "";
String loginPwd = "";
System.out.println("登录用户名");
loginName = input.next();
System.out.println("登录入密码");
loginPwd = input.next();
if (loginName.equals(registName) && loginPwd.equals(registPwd)) {
System.out.println("登录成功");
System.out.println("抽奖");
int[] luckyNums = new int[6];
//产生6个幸运号码
for (int i = 0; i < 6; i++) {
luckyNums[i] = (int) (Math.random() * 9000) + 1000;
System.out.print(luckyNums[i] + "\t");
}
System.out.println("你的vipNum:" + vipNum);
boolean flag = false;
//判断vipNum 是否存在于luckyNums之中
for (int i = 0; i < 6; i++) {
if (vipNum == luckyNums[i]) {
// System.out.println("中奖");
flag = true;//中奖
}
}
if (flag) {
System.out.println("中奖");
} else {
System.out.println("没中奖");
}
} else {
System.out.println("用户名或密码输入有误！");
}
}
public static class OOPScore {
//属性（1静态行为 ，全局变量 ）
int javaScore;
int cScore;
int sqlScore;
public static void main(String[] args) {
OOPScore score = new OOPScore();
score.inputScore();
double avg = score.calcAvg();
int sum = score.calcSum();
System.out.println(avg + "--" + sum);
}
public void inputScore() {
Scanner input = new Scanner(System.in);
System.out.println("请输入java成绩:");
javaScore = input.nextInt();
System.out.println("请输入C成绩:");
cScore = input.nextInt();
System.out.println("请输入SQL成绩:");
sqlScore = input.nextInt();
}
//计算平均分并返回
public double calcAvg() {
double av = (javaScore + cScore + sqlScore) / 3.0;
return av;
}
//计算总分并返回
public int calcSum() {
int sum = javaScore + cScore + sqlScore;
return sum;
}
}
}