From 43d87b23be915c49517a2976e0be0fe76432f103 Mon Sep 17 00:00:00 2001
From: deyuanw <@ bzu.edu.cn>
Date: Wed, 26 Apr 2023 19:22:19 +0800
Subject: [PATCH] 3

---
 daima | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)

diff --git a/daima b/daima
index e69de29..ed72c0e 100644
--- a/daima
+++ b/daima
@@ -0,0 +1,90 @@
+#define NAME_LEN 31
+#define MAX_PARTS 100
+//保存学生成绩信息的结构
+struct students
+{
+    int number;
+    char name[NAME_LEN + 1];
+    int score;
+};
+static struct students stu[MAX_PARTS];
+static int num_parts = 0;
+#include <stdio.h>
+#include <stdlib.h>
+
+//定义常量
+#define CMD_QUIT 0
+#define CMD_QUERY 4
+#define CMD_INSERT 5
+#define CMD_UPDATE 6
+#define CMD_DELETE 7
+#define CMD_READ 1
+#define CMD_SAVE 2
+#define CMD_PRINT 3
+#define CMD_SORT 8
+#define CMD_CHART 9
+// 菜单命令的编号
+
+// 函数声明
+void init(void);
+void quit(void);
+void display_menu(void);
+int make_choice(void);
+void read_data(void);   // 读取
+void save_data(void);   // 保存
+void print_data(void);  // 打印
+void query_data(void);  // 查询
+void add_data(void);    // 添加
+void update_data(void); // 修改
+void delete_data(void); // 删除
+void sort_data(void);   // 排序
+void make_chart(void);  // 图表
+int confirm(const char *msg);
+
+// 主程序
+int main(void)
+{
+    init(); // 程序启动
+    while (1)
+    {
+        display_menu();
+        int c = make_choice();
+        switch (c)
+        {
+        case CMD_QUERY:
+            query_data();
+            break;
+        case CMD_INSERT:
+            add_data();
+            break;
+        case CMD_UPDATE:
+            update_data();
+            break;
+        case CMD_DELETE:
+            delete_data();
+            break;
+        case CMD_READ:
+            read_data();
+            break;
+        case CMD_SAVE:
+            save_data();
+            break;
+        case CMD_PRINT:
+            print_data();
+            break;
+        case CMD_SORT:
+            sort_data();
+            break;
+        case CMD_CHART:
+            make_chart();
+            break;
+        default:
+            puts("命令错误，请重新选择");
+            break;
+        case CMD_QUIT:
+            if (confirm("确定要退出吗？"))
+                quit(); // 仅在确认后退出
+            break;
+        }
+    }
+    return 0;
\ No newline at end of file