From 647fffb4918418f9d96ccf9619c39c859ae74b58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=A7=9C=E4=BC=9F=E5=B1=B1?= <2609838563@qq.com>
Date: Wed, 21 Dec 2022 21:20:56 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BD=9C=E4=B8=9A?=
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Content-Type: text/plain; charset=UTF-8
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---
 .../20221221 \344\275\234\344\270\232.md"     | 76 +++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 "39 \345\247\234\344\274\237\345\261\261/20221221 \344\275\234\344\270\232.md"

diff --git "a/39 \345\247\234\344\274\237\345\261\261/20221221 \344\275\234\344\270\232.md" "b/39 \345\247\234\344\274\237\345\261\261/20221221 \344\275\234\344\270\232.md"
new file mode 100644
index 0000000..45c8b6e
--- /dev/null
+++ "b/39 \345\247\234\344\274\237\345\261\261/20221221 \344\275\234\344\270\232.md"	
@@ -0,0 +1,76 @@
+```java
+import java.util.Scanner;
+
+public class D7 {
+    //    把扫描器放在最外层，让所有方法都可以用
+    static Scanner sc = new Scanner(System.in);
+
+    public static void main(String[] args) {
+        String[] students = new String[10];
+        students[0] = "小强";
+        students[1] = "大强";
+        while (true) {
+            start();
+            choicMenu(sc.nextInt(), students, sc);
+        }
+    }
+
+    public static void start() {
+        System.out.println("-----------------------------" +
+                "\n- 欢迎使用三班的学生管理系统-" +
+                "\n- \t\t1.浏览所有学生信息\t\t-" +
+                "\n- \t\t2.添加学生信息\t\t-" +
+                "\n- \t\t3.修改学生信息\t\t-" +
+                "\n- \t\t4.删除学生信息\t\t-" +
+                "\n- \t\t5.查询学生信息\t\t-" +
+                "\n- \t\t6.退出管理系统\t\t-" +
+                "\n------------------------------");
+    }
+
+    public static void choicMenu(int num, String[] stu, Scanner sc) {
+        switch (num) {
+            case 1:
+//                System.out.println("你选择了浏览学生信息");
+                viewAllStuendt(stu);
+                break;
+            case 2:
+                addStudent(stu);
+//                System.out.println("你选择了添加学生信息");
+                break;
+            case 3:
+                System.out.println("你选择了修改学生信息");
+                break;
+            case 4:
+                System.out.println("你选择了删除学生信息");
+                break;
+            case 5:
+                System.out.println("你选择了查询学生信息");
+
+                break;
+            case 6:
+                System.out.println("你选择了退出管理系统");
+                break;
+            default:
+                System.out.println("选项错误");
+        }
+    }
+
+    public static void viewAllStuendt(String[] stu) {
+        System.out.println("三班现有以下学生:");
+        for (String name : stu) {
+            if (name == null) {
+                continue;
+            }
+            System.out.print(name + "\t");
+        }
+    }
+
+    public static void addStudent(String[] stu) {
+        System.out.println("请输入你要添加的学生：");
+        String name = sc.next();
+        
+    }
+}
+
+```
+
-- 
Gitee