From 8e2ffd371a44c42716fb9fb66c0c408f9c7528b5 Mon Sep 17 00:00:00 2001
From: xiao dong <1844263540@qq.com>
Date: Sun, 21 May 2023 09:57:57 +0800
Subject: [PATCH 1/2] app.c

---
 app.c | 357 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 357 insertions(+)
 create mode 100644 app.c

diff --git a/app.c b/app.c
new file mode 100644
index 0000000..3f5f843
--- /dev/null
+++ b/app.c
@@ -0,0 +1,357 @@
+#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;
+}
+
+// 函数定义
+void init(void)
+{
+    puts("程序启动");
+}
+void quit(void)
+{
+    puts("程序退出");
+    exit(EXIT_SUCCESS);
+}
+void display_menu(void)
+{
+    printf("\n%d 读取 | %d 保存 | %d 打印 | %d 查询 | %d 添加\n%d 修改 | %d 删除 | %d 排序 | %d 图表 | %d 退出\n\n", CMD_READ, CMD_SAVE, CMD_PRINT, CMD_QUERY, CMD_INSERT, CMD_UPDATE, CMD_DELETE, CMD_SORT, CMD_CHART, CMD_QUIT);
+}
+int make_choice(void)
+{
+    int c;     // 用户输入
+    int n = 0; // 正确读入的数据项个数
+    while (n == 0)
+    {
+        printf("请选择：");
+        n = scanf("%d", &c); // 尝试读入整数 c
+        scanf("%*[^\n]");    // 跳过一行中剩余的字符
+    }
+    return c;
+}
+
+//查询
+void query_data(void)
+{
+    int num;
+    printf("输入学生学号： ");
+    scanf("%d", &num);
+    int f = -1;
+    for (int i = 0; i < num_parts; i++)
+    {
+        if (num == stu[i].number)
+        {
+            f = i;
+            break;
+        }
+    }
+    if (f == -1)
+    {
+        printf("学生不存在");
+    }
+    else
+    {
+        printf("学生学号：%d\n", stu[f].number);
+        printf("学生姓名：%s\n", stu[f].name);
+        printf("学生成绩：%d\n", stu[f].score);
+    }
+}
+
+//打印
+void print_data(void)
+{
+    printf("NUMBER  |  NAME                score\n");
+    for (int i = 0; i < num_parts; i++)
+    {
+        printf("%d  |  %s                    %d\n", stu[i].number, stu[i].name, stu[i].score);
+    }
+}
+
+//添加
+void add_data(void)
+{
+    int num;
+    printf("输入学生学号：");
+    scanf("%d", &num);
+    int f = 0;
+    for (int i = 0; i < num_parts; i++)
+    {
+        if (num == stu[i].number)
+        {
+            f = 1;
+            break;
+        }
+    }
+    if (f == 0)
+    {
+        stu[num_parts].number = num;
+        printf("输入学生姓名：");
+        scanf("%s", &stu[num_parts].name);
+        printf("输入学生成绩：");
+        scanf("%d", &stu[num_parts].score);
+        num_parts++;
+        printf("学生 %d 添加成功\n", num);
+    }
+    else
+    {
+        printf("学生已存在");
+    }
+}
+
+//修改
+void update_data(void)
+{
+    int num;
+    printf("输入学生学号：");
+    scanf("%d", &num);
+    int f = 0;
+    for (int i = 0; i < num_parts; i++)
+    {
+        if (num == stu[i].number)
+        {
+            f = 1;
+            break;
+        }
+    }
+    if (f == 0)
+    {
+        printf("学生不存在");
+    }
+    else
+    {
+        printf("输入学生学号：");
+        scanf("%d", &stu[num].number);
+        printf("输入学生姓名：");
+        scanf("%s", stu[num].name);
+        printf("输入学生成绩：");
+        scanf("%d", &stu[num].score);
+        printf("学生 %d 已更新", num);
+    }
+}
+
+//删除
+void delete_data(void)
+{
+    int num;
+    printf("输入学生学号：");
+    scanf("%d", &num);
+    int f = 0, i, j;
+    for (i = 0; i < num_parts; i++)
+    {
+        if (num == stu[i].number)
+        {
+            f = 1;
+            break;
+        }
+    }
+    if (f == 0)
+    {
+        printf("学生不存在");
+    }
+    else
+    {
+        for (j = i; j < num_parts - 1; j++)
+        {
+            stu[j] = stu[j + 1];
+        }
+        num_parts--;
+        printf("删除成功");
+    }
+}
+
+//读取
+void read_data(void)
+{
+    puts("读取数据");
+    printf("请输入文件名");
+    char filename[256];
+    scanf("%s", filename);
+
+    FILE *fp = fopen(filename, "r");
+    if (fp == NULL)
+    {
+        perror(filename);
+        return;
+    }
+    int i = 0;
+    while (fscanf(fp, "%d,%[^,],%d", &stu[i].number, stu[i].name, &stu[i].score) == 3)
+    {
+        i++;
+    }
+    fclose(fp);
+    num_parts = i;
+    printf("读取 %d 记录\n", num_parts);
+}
+
+//保存
+void save_data(void)
+{
+    puts("保存数据");
+    printf(" 请输入文件名");
+    char filename[256];
+    scanf("%s", filename);
+    FILE *fp = fopen(filename, "r");
+    if (fp == NULL)
+    {
+        perror(filename);
+        return;
+    }
+    for (int i = 0; i < num_parts; i++)
+    {
+        fprintf(fp, "%d,%s,%d\n", stu[i].number, stu[i].name, stu[i].score);
+    }
+    fclose(fp);
+    printf("保存%d 成功", num_parts);
+}
+
+//排序
+void sort_data(void)
+{
+    printf("排序\n");
+    for (int i = 0; i < num_parts; i++)
+    {
+        int change = 0;
+        static struct students t;
+        for (int j = 0; j < num_parts - i - 1; j++)
+        {
+            if (stu[j].number > stu[j + 1].number)
+            {
+                t = stu[j + 1];
+                stu[j + 1] = stu[j];
+                stu[j] = t;
+                change = 1;
+            }
+        }
+        if (!change)
+            break;
+    }
+    for (int i = 0; i < num_parts; i++)
+    {
+        int change = 0;
+        static struct students t;
+        for (int j = 0; j < num_parts - i - 1; j++)
+        {
+            if (stu[j].score > stu[j + 1].score)
+            {
+                t = stu[j + 1];
+                stu[j + 1] = stu[j];
+                stu[j] = t;
+                change = 1;
+            }
+        }
+        if (!change)
+            break;
+    }
+    printf("排序已完成");
+}
+
+//图表
+void make_chart(void)
+{
+    printf("NUMBER  |  NAME                score\n");
+    for (int i = 0; i < num_parts; i++)
+    {
+        printf("%d  |  %s ", stu[i].number, stu[i].name);
+        for (int j = 0; j < stu[i].score; j++)
+        {
+            printf("*");
+        }
+        printf("\n");
+    }
+    printf("图表\n");
+}
+
+int confirm(const char *msg)
+{
+    char c = 'n';                // 默认选择是 no
+    printf("%s(Y/N): ", msg);    // 提示输入 yes/no 进行确认
+    scanf(" %c%*[^\n]", &c);     // 读取第一个字符，忽略剩余字符
+    return c == 'y' || c == 'Y'; // 返回确认结果
+}

From 19a00d2baafb8fa017764fe183451d8efb785b1a Mon Sep 17 00:00:00 2001
From: plebkff6w <1844263540@qq.com>
Date: Sun, 21 May 2023 09:59:01 +0800
Subject: [PATCH 2/2] Delete 'src'

---
 src | 357 ------------------------------------------------------------
 1 file changed, 357 deletions(-)
 delete mode 100644 src

diff --git a/src b/src
deleted file mode 100644
index 3f5f843..0000000
--- a/src
+++ /dev/null
@@ -1,357 +0,0 @@
-#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;
-}
-
-// 函数定义
-void init(void)
-{
-    puts("程序启动");
-}
-void quit(void)
-{
-    puts("程序退出");
-    exit(EXIT_SUCCESS);
-}
-void display_menu(void)
-{
-    printf("\n%d 读取 | %d 保存 | %d 打印 | %d 查询 | %d 添加\n%d 修改 | %d 删除 | %d 排序 | %d 图表 | %d 退出\n\n", CMD_READ, CMD_SAVE, CMD_PRINT, CMD_QUERY, CMD_INSERT, CMD_UPDATE, CMD_DELETE, CMD_SORT, CMD_CHART, CMD_QUIT);
-}
-int make_choice(void)
-{
-    int c;     // 用户输入
-    int n = 0; // 正确读入的数据项个数
-    while (n == 0)
-    {
-        printf("请选择：");
-        n = scanf("%d", &c); // 尝试读入整数 c
-        scanf("%*[^\n]");    // 跳过一行中剩余的字符
-    }
-    return c;
-}
-
-//查询
-void query_data(void)
-{
-    int num;
-    printf("输入学生学号： ");
-    scanf("%d", &num);
-    int f = -1;
-    for (int i = 0; i < num_parts; i++)
-    {
-        if (num == stu[i].number)
-        {
-            f = i;
-            break;
-        }
-    }
-    if (f == -1)
-    {
-        printf("学生不存在");
-    }
-    else
-    {
-        printf("学生学号：%d\n", stu[f].number);
-        printf("学生姓名：%s\n", stu[f].name);
-        printf("学生成绩：%d\n", stu[f].score);
-    }
-}
-
-//打印
-void print_data(void)
-{
-    printf("NUMBER  |  NAME                score\n");
-    for (int i = 0; i < num_parts; i++)
-    {
-        printf("%d  |  %s                    %d\n", stu[i].number, stu[i].name, stu[i].score);
-    }
-}
-
-//添加
-void add_data(void)
-{
-    int num;
-    printf("输入学生学号：");
-    scanf("%d", &num);
-    int f = 0;
-    for (int i = 0; i < num_parts; i++)
-    {
-        if (num == stu[i].number)
-        {
-            f = 1;
-            break;
-        }
-    }
-    if (f == 0)
-    {
-        stu[num_parts].number = num;
-        printf("输入学生姓名：");
-        scanf("%s", &stu[num_parts].name);
-        printf("输入学生成绩：");
-        scanf("%d", &stu[num_parts].score);
-        num_parts++;
-        printf("学生 %d 添加成功\n", num);
-    }
-    else
-    {
-        printf("学生已存在");
-    }
-}
-
-//修改
-void update_data(void)
-{
-    int num;
-    printf("输入学生学号：");
-    scanf("%d", &num);
-    int f = 0;
-    for (int i = 0; i < num_parts; i++)
-    {
-        if (num == stu[i].number)
-        {
-            f = 1;
-            break;
-        }
-    }
-    if (f == 0)
-    {
-        printf("学生不存在");
-    }
-    else
-    {
-        printf("输入学生学号：");
-        scanf("%d", &stu[num].number);
-        printf("输入学生姓名：");
-        scanf("%s", stu[num].name);
-        printf("输入学生成绩：");
-        scanf("%d", &stu[num].score);
-        printf("学生 %d 已更新", num);
-    }
-}
-
-//删除
-void delete_data(void)
-{
-    int num;
-    printf("输入学生学号：");
-    scanf("%d", &num);
-    int f = 0, i, j;
-    for (i = 0; i < num_parts; i++)
-    {
-        if (num == stu[i].number)
-        {
-            f = 1;
-            break;
-        }
-    }
-    if (f == 0)
-    {
-        printf("学生不存在");
-    }
-    else
-    {
-        for (j = i; j < num_parts - 1; j++)
-        {
-            stu[j] = stu[j + 1];
-        }
-        num_parts--;
-        printf("删除成功");
-    }
-}
-
-//读取
-void read_data(void)
-{
-    puts("读取数据");
-    printf("请输入文件名");
-    char filename[256];
-    scanf("%s", filename);
-
-    FILE *fp = fopen(filename, "r");
-    if (fp == NULL)
-    {
-        perror(filename);
-        return;
-    }
-    int i = 0;
-    while (fscanf(fp, "%d,%[^,],%d", &stu[i].number, stu[i].name, &stu[i].score) == 3)
-    {
-        i++;
-    }
-    fclose(fp);
-    num_parts = i;
-    printf("读取 %d 记录\n", num_parts);
-}
-
-//保存
-void save_data(void)
-{
-    puts("保存数据");
-    printf(" 请输入文件名");
-    char filename[256];
-    scanf("%s", filename);
-    FILE *fp = fopen(filename, "r");
-    if (fp == NULL)
-    {
-        perror(filename);
-        return;
-    }
-    for (int i = 0; i < num_parts; i++)
-    {
-        fprintf(fp, "%d,%s,%d\n", stu[i].number, stu[i].name, stu[i].score);
-    }
-    fclose(fp);
-    printf("保存%d 成功", num_parts);
-}
-
-//排序
-void sort_data(void)
-{
-    printf("排序\n");
-    for (int i = 0; i < num_parts; i++)
-    {
-        int change = 0;
-        static struct students t;
-        for (int j = 0; j < num_parts - i - 1; j++)
-        {
-            if (stu[j].number > stu[j + 1].number)
-            {
-                t = stu[j + 1];
-                stu[j + 1] = stu[j];
-                stu[j] = t;
-                change = 1;
-            }
-        }
-        if (!change)
-            break;
-    }
-    for (int i = 0; i < num_parts; i++)
-    {
-        int change = 0;
-        static struct students t;
-        for (int j = 0; j < num_parts - i - 1; j++)
-        {
-            if (stu[j].score > stu[j + 1].score)
-            {
-                t = stu[j + 1];
-                stu[j + 1] = stu[j];
-                stu[j] = t;
-                change = 1;
-            }
-        }
-        if (!change)
-            break;
-    }
-    printf("排序已完成");
-}
-
-//图表
-void make_chart(void)
-{
-    printf("NUMBER  |  NAME                score\n");
-    for (int i = 0; i < num_parts; i++)
-    {
-        printf("%d  |  %s ", stu[i].number, stu[i].name);
-        for (int j = 0; j < stu[i].score; j++)
-        {
-            printf("*");
-        }
-        printf("\n");
-    }
-    printf("图表\n");
-}
-
-int confirm(const char *msg)
-{
-    char c = 'n';                // 默认选择是 no
-    printf("%s(Y/N): ", msg);    // 提示输入 yes/no 进行确认
-    scanf(" %c%*[^\n]", &c);     // 读取第一个字符，忽略剩余字符
-    return c == 'y' || c == 'Y'; // 返回确认结果
-}