import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
 
public class Main {
    // 模拟学生成绩数据
    private static final Map<String, String> studentData = new HashMap<>();
    private static final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 
    static {
        // 初始化数据（可自行修改/添加）
        studentData.put("张三", "85");
        studentData.put("李四", "92");
        studentData.put("赵六", "88");
    }
 
    public static void main(String[] args) {
        System.out.println("**XX第四次作业—学生成绩查询**"); // 替换XX为你的姓名
 
        Scanner scanner = new Scanner(System.in);
        // 循环查询，直到输入exit
        while (scanner.hasNextLine()) { // 关键：先判断是否有输入，避免空输入异常
            System.out.print("请输入要查询的学生姓名(输入'exit'退出)：");
            String name = scanner.nextLine().trim();
 
            if ("exit".equalsIgnoreCase(name)) {
                System.out.println("程序已退出，感谢使用！");
                break;
            }
 
            // 查询逻辑
            String result = studentData.containsKey(name) 
                ? "学生" + name + "的成绩是：" + studentData.get(name)
                : "找不到学生" + name + "的成绩";
 
            // 输出结果和日志
            System.out.println(result);
            String log = "[" + sdf.format(new Date()) + "] 查询结果：" + result;
            System.out.println("日志记录：" + log + "\n");
        }
        scanner.close();
    }
}

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5byg5LiJCuadjuWbmwrnjovkupQKZXhpdA==

张三
李四
王五
exit