From 218ac640790343be51be3f990ee3865d2da2ec5d Mon Sep 17 00:00:00 2001
From: flykhan <liubo666666@outlook.com>
Date: Fri, 21 Jul 2023 11:16:42 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AD=A6=E7=94=9F=E7=AE=A1=E7=90=86=E7=B3=BB?=
 =?UTF-8?q?=E7=BB=9F=20makefile,=20=E5=86=85=E5=AE=B9=E6=8B=86=E5=88=86?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 day15/d1-stuMangerSystem/Makefile           |  37 ++
 day15/d1-stuMangerSystem/data/stu.date      |  10 +
 day15/d1-stuMangerSystem/data/stu.date.bak  |  10 +
 day15/d1-stuMangerSystem/includes/color_e.h |  38 ++
 day15/d1-stuMangerSystem/includes/link.h    |  22 ++
 day15/d1-stuMangerSystem/includes/stu_s.h   |  15 +
 day15/d1-stuMangerSystem/link.c             | 372 ++++++++++++++++++++
 day15/d1-stuMangerSystem/main               | Bin 0 -> 17736 bytes
 day15/d1-stuMangerSystem/main.c             | 105 ++++++
 day15/d1-stuMangerSystem/objs/link.o        | Bin 0 -> 7984 bytes
 day15/d1-stuMangerSystem/objs/main.o        | Bin 0 -> 4936 bytes
 day15/d1-stuMangerSystem/stuMangerSystem    | Bin 0 -> 17736 bytes
 12 files changed, 609 insertions(+)
 create mode 100644 day15/d1-stuMangerSystem/Makefile
 create mode 100644 day15/d1-stuMangerSystem/data/stu.date
 create mode 100644 day15/d1-stuMangerSystem/data/stu.date.bak
 create mode 100644 day15/d1-stuMangerSystem/includes/color_e.h
 create mode 100644 day15/d1-stuMangerSystem/includes/link.h
 create mode 100644 day15/d1-stuMangerSystem/includes/stu_s.h
 create mode 100644 day15/d1-stuMangerSystem/link.c
 create mode 100755 day15/d1-stuMangerSystem/main
 create mode 100644 day15/d1-stuMangerSystem/main.c
 create mode 100644 day15/d1-stuMangerSystem/objs/link.o
 create mode 100644 day15/d1-stuMangerSystem/objs/main.o
 create mode 100755 day15/d1-stuMangerSystem/stuMangerSystem

diff --git a/day15/d1-stuMangerSystem/Makefile b/day15/d1-stuMangerSystem/Makefile
new file mode 100644
index 0000000..fa45198
--- /dev/null
+++ b/day15/d1-stuMangerSystem/Makefile
@@ -0,0 +1,37 @@
+# 定义变量，用于存放目标文件和依赖文件的目录
+OBJ_DIR := ./objs
+
+# $@ 表示目标文件,
+# $^ 表示依赖文件列表去重之后的所有依赖文件, 
+# $< 表示第一个依赖文件, 
+# $* 表示匹配目标文件名的部分,
+# $% 表示静态模式中的百分号匹配
+
+# CC 是编译器
+# CC = gcc
+# TARGET 是目标文件
+TARGET = main
+# OBJ 是目标文件依赖的文件
+# OBJ = link.o main.o
+OBJ = $(OBJ_DIR)/link.o $(OBJ_DIR)/main.o
+
+# 所有的 .o 文件都依赖于 .c 文件
+$(OBJ_DIR)/%.o: %.c
+	$(CC) -c $< -o $@
+
+# 意思是: 目标文件依赖于 OBJ, 执行命令是 $(CC) $(OBJ) -o $(TARGET)	
+$(TARGET): $(OBJ)
+	$(CC) $(OBJ) -o $(TARGET)
+
+# # link.o 依赖于 link.c, 执行命令是 $(CC) -c link.c -o link.o	
+# # 用于生成目标文件 link.o
+# link.o: link.c
+# 	$(CC) -c link.c -o $(OBJ_DIR)/link.o
+
+# # 用于生成目标文件 main.o
+# main.o: main.c
+# 	$(CC) -c main.c -o $(OBJ_DIR)/main.o
+
+# 用于清理目标文件和可执行文件
+clean:
+	rm -rf $(OBJ) $(TARGET)
\ No newline at end of file
diff --git a/day15/d1-stuMangerSystem/data/stu.date b/day15/d1-stuMangerSystem/data/stu.date
new file mode 100644
index 0000000..e0c573f
--- /dev/null
+++ b/day15/d1-stuMangerSystem/data/stu.date
@@ -0,0 +1,10 @@
+1,张三,25
+2,李四,30
+3,王五,28
+4,赵六,32
+5,刘七,27
+6,陈八,29
+7,周九,31
+8,吴十,26
+9,郑十一,33
+10,孙十二,24
diff --git a/day15/d1-stuMangerSystem/data/stu.date.bak b/day15/d1-stuMangerSystem/data/stu.date.bak
new file mode 100644
index 0000000..e0c573f
--- /dev/null
+++ b/day15/d1-stuMangerSystem/data/stu.date.bak
@@ -0,0 +1,10 @@
+1,张三,25
+2,李四,30
+3,王五,28
+4,赵六,32
+5,刘七,27
+6,陈八,29
+7,周九,31
+8,吴十,26
+9,郑十一,33
+10,孙十二,24
diff --git a/day15/d1-stuMangerSystem/includes/color_e.h b/day15/d1-stuMangerSystem/includes/color_e.h
new file mode 100644
index 0000000..74f2e5c
--- /dev/null
+++ b/day15/d1-stuMangerSystem/includes/color_e.h
@@ -0,0 +1,38 @@
+#ifndef __COLOR_E_H__
+#define __COLOR_E_H__
+
+// 属性定义枚举头文件
+typedef enum front_color_e
+{
+    BLACK = 30, // 黑色
+    RED,        // 红色
+    GREEN,      // 绿色
+    YELLOW,     // 黄色
+    BLUE,       // 蓝色
+    PURPLE,     // 紫色
+    CYAN,       // 青色
+    WHITE,      // 白色
+} Front_Color;  // 前景色
+
+typedef enum back_color_e
+{
+    BLACK_B = 40, // 黑色
+    RED_B,        // 红色
+    GREEN_B,      // 绿色
+    YELLOW_B,     // 黄色
+    BLUE_B,       // 蓝色
+    PURPLE_B,     // 紫色
+    CYAN_B,       // 青色
+    WHITE_B,      // 白色
+} Back_Color;     // 背景色
+
+typedef enum attr_e
+{
+    BOLD = 1,      // 加粗
+    UNDERLINE = 4, // 下划线
+    BLINK,         // 闪烁
+    REVERSE = 7,   // 反显
+    HIDE,          // 隐藏
+} Attr;            // 文本属性
+
+#endif
\ No newline at end of file
diff --git a/day15/d1-stuMangerSystem/includes/link.h b/day15/d1-stuMangerSystem/includes/link.h
new file mode 100644
index 0000000..f596be1
--- /dev/null
+++ b/day15/d1-stuMangerSystem/includes/link.h
@@ -0,0 +1,22 @@
+#ifndef __LINK_H__
+#define __LINK_H__
+#include <stdio.h>
+#include <stdlib.h> // malloc
+#include <string.h> // strcpy
+#include "stu_s.h"
+#include "color_e.h"
+
+// 函数声明头文件
+// 不需要添加 extern，因为在头文件中定义的函数默认是 extern
+void swap(STU *a, STU *b);
+STU *insert_stu(STU *head, STU *item);
+STU *delete_stu(STU *head, char sid);
+void shows(STU *head);
+STU *find_stu(STU *head, char sid);
+STU *update_stu(STU *head, char sid);
+STU *sort_stu(STU *head);
+STU *reverse_stu(STU *head);
+void saveToFile(STU *head, const char *filename);
+STU *readFromFile(const char *filename);
+
+#endif
\ No newline at end of file
diff --git a/day15/d1-stuMangerSystem/includes/stu_s.h b/day15/d1-stuMangerSystem/includes/stu_s.h
new file mode 100644
index 0000000..ca9267a
--- /dev/null
+++ b/day15/d1-stuMangerSystem/includes/stu_s.h
@@ -0,0 +1,15 @@
+#ifndef __STU_S_H__
+#define __STU_S_H__
+
+// 学生信息结构体头文件
+// 定义学生信息结构体,链表的节点
+typedef struct stu_s
+{
+    int sid;
+    char name[32];
+    int age;
+
+    struct stu_s *next;
+} STU;
+
+#endif
\ No newline at end of file
diff --git a/day15/d1-stuMangerSystem/link.c b/day15/d1-stuMangerSystem/link.c
new file mode 100644
index 0000000..a7224fc
--- /dev/null
+++ b/day15/d1-stuMangerSystem/link.c
@@ -0,0 +1,372 @@
+#include "./includes/link.h"
+
+// 节点交换
+void swap(STU *a, STU *b)
+{
+    // 方法一: 直接通过临时指针交换数据
+    // STU *tp = (STU *)malloc(sizeof(STU));
+    // tp->sid = a->sid;
+    // strcpy(tp->name, a->name);
+    // tp->age = a->age;
+
+    // a->sid = b->sid;
+    // strcpy(a->name, b->name);
+    // a->age = b->age;
+
+    // b->sid = tp->sid;
+    // strcpy(b->name, tp->name);
+    // b->age = tp->age;
+    // free(tp); // 释放临时指针
+
+    // 方法二: 通过结构体指针交换数据
+    // 先换数据
+    STU *tp = (STU *)malloc(sizeof(STU));
+    *tp = *a;
+    *a = *b;
+    *b = *tp;
+
+    // 再换指针的下一个节点指向
+    tp->next = a->next;
+    a->next = b->next;
+    b->next = tp->next;
+
+    free(tp); // 释放临时指针
+}
+
+// 添加学生
+STU *insert_stu(STU *head, STU *item)
+{
+    // 如果头指针为空,说明链表为空,直接将新建的节点作为头指针
+    if (head == NULL)
+    {
+        head = item;
+    }
+    else
+    {
+        // 如果头指针不为空,说明链表不为空,需要找到链表的尾部,将新建的节点插入到尾部
+        STU *p = head;          // 创建一个临时指针,用来保存头指针,防止头指针丢失
+        while (p->next != NULL) // 当 p 的下一个节点不为空时,说明 p 不是尾部
+        {
+            p = p->next; // p 一直向后移动,直到找到尾部
+        }
+        p->next = item; // 将 item 插入到尾部
+    }
+    return head; // 返回头指针
+}
+
+// 删除学生
+STU *delete_stu(STU *head, char sid)
+{
+    if (NULL == head)
+    {
+        printf("\033[%dm无数据,无法删除\033[0m\n", RED);
+        return NULL;
+    }
+    if (head->sid == sid)
+    {
+        // *tp 为临时指针,用来保存头指针
+        STU *tp = head;    // 保存头指针
+        head = head->next; // 头指针指向下一个节点
+        free(tp);          // 释放头指针
+    }
+    else
+    {
+        STU *tp = head;                                  // 保存头指针
+        while (NULL != tp->next && sid != tp->next->sid) // 当 tp 的下一个节点不为空时,且下一个节点的学号不等于要删除的学号时,继续向后移动指针 tp
+        {
+            tp = tp->next; // tp 一直向后移动,直到找到尾部
+        }
+        if (NULL == tp->next) // 到达了链表尾部还是没有找到要删除的内容
+        {
+            printf("\033[%dm未找到 sid = %d 的学生,删除失败\033[0m\n", RED, sid);
+        }
+        else
+        {
+            STU *tpx = tp->next;  // 保存要删除的节点
+            tp->next = tpx->next; // 将链表位置指向要删除的节点的下一个节点
+            free(tpx);            // 释放要删除的节点
+            printf("\033[%dm删除 sid = %d 的学生成功\033[0m\n", BLUE, sid);
+        }
+    }
+    return head; // 返回头指针
+}
+
+// 打印学生
+void shows(STU *head)
+{
+    // 如果头指针为空,说明链表为空,直接返回
+    if (head == NULL)
+    {
+        printf("\033[%dm无数据,无法打印\033[0m\n", RED);
+        return;
+    }
+    else
+    {
+        // 如果头指针不为空,说明链表不为空,需要遍历链表,打印每一个节点的信息
+        STU *p = head; // 创建一个临时指针,用来保存头指针,防止头指针丢失
+        // 清屏
+        // printf("\033[2J");
+        printf("--------------------\n");
+        printf("\033[%dm学号\t姓名\t年龄\033[0m\n", BLUE_B);
+        while (p != NULL) // 当 p 不为空时,说明 p 不是尾部,则打印 p 的信息
+        {
+            printf("\033[%dm%d\t%s\t%d\033[0m\n", BLUE, p->sid, p->name, p->age); // 打印 p 的信息
+            p = p->next;                                                          // p 一直向后移动,直到找到尾部
+        }
+    }
+}
+
+// 查询学生
+STU *find_stu(STU *head, char sid)
+{
+    if (NULL == head)
+    {
+        printf("\033[%dm无数据,无法查询\033[0m\n", RED);
+        return NULL; // 返回空指针,说明没有找到要查询的节点
+    }
+
+    STU *tp = head;                            // 保存头指针
+    while (NULL != tp->next && sid != tp->sid) // 当 tp 的下一个节点不为空时,且下一个节点的学号不等于要查询的学号时,继续向后移动指针 tp
+    {
+        tp = tp->next; // tp 一直向后移动,直到找到尾部
+    }
+    if (sid == tp->sid)
+        return tp; // 返回当前节点的指针,即为要查询的节点
+    return NULL;   // 返回空指针,说明没有找到要查询的节点
+}
+
+// 修改学生
+STU *update_stu(STU *head, char sid)
+{
+    if (NULL == head)
+    {
+        printf("\033[%dm无数据,无法修改\033[0m\n", RED);
+        return NULL;
+    }
+
+    STU *tp = find_stu(head, sid); // 查找要修改的节点
+    if (tp == NULL)
+    {
+        printf("\033[%dm未找到 sid = %d 的学生\033[0m\n", RED, sid);
+    }
+    else
+    {
+        // 临时变量,用来保存要修改的学生信息
+        char msid;
+        char mname[32];
+        int mage;
+
+        // 输入要修改的内容
+        printf("输入要修改的学生的 学号 姓名 年龄: ");
+        scanf("%hhd %s %d", &msid, mname, &mage);
+        tp->sid = msid;
+        strcpy(tp->name, mname);
+        tp->age = mage;
+        // 修改成功
+        printf("\033[%dm修改 sid = %d 的学生成功\033[0m\n", BLUE, sid);
+    }
+    return head; // 返回头指针
+}
+
+// 排序学生（选择排序，也可以使用归并排序）
+STU *sort_stu(STU *head)
+{
+    if (NULL == head)
+    {
+        printf("\033[%dm无数据,无法排序\033[0m\n", RED);
+        return NULL;
+    }
+    // 选择排序方式: 1) 按照sid 2)按照age
+    int choose; // 选择排序方式
+    printf("选择排序方式: 1) 按照sid 2)按照age: ");
+    scanf("%d", &choose);
+    if (1 == choose) // 按照sid排序
+    {
+        // 选择排序方式: 1) 升序 2)降序
+        int choose2; // 选择排序方式
+        printf("选择排序方式: 1) 升序 2)降序: ");
+        scanf("%d", &choose2);
+        if (1 == choose2) // 升序
+        {
+            // 按照sid升序排序
+            STU *p = head;    // 创建一个临时指针,用来保存头指针,防止头指针丢失
+            while (p != NULL) // 相当于 for (int i = 0; i < len; i++)
+            {
+                STU *q = p->next; // 创建一个临时指针,用来保存头指针,防止头指针丢失
+                while (q != NULL) // 相当于 for (int j = i + 1; j < len; j++)
+                {
+                    if (p->sid > q->sid) // 相当于 if (arr[i] > arr[j])
+                    {
+                        swap(p, q); // 相当于 swap(arr[i], arr[j]
+                    }
+                    q = q->next;
+                }
+                p = p->next;
+            }
+        }
+        else if (2 == choose2) // 降序
+        {
+            STU *p = head; // 创建一个临时指针,用来保存头指针,防止头指针丢失
+            while (p != NULL)
+            {
+                STU *q = p->next; // 创建一个临时指针,用来保存头指针,防止头指针丢失
+                while (q != NULL)
+                {
+                    if (p->sid < q->sid)
+                    {
+                        swap(p, q);
+                    }
+                    q = q->next;
+                }
+                p = p->next;
+            }
+        }
+        else
+        {
+            // 选择错误
+            printf("\033[%dm选择错误\033[0m\n", RED);
+        }
+    }
+    else if (2 == choose) // 按照age排序
+    {
+        // 选择排序方式: 1) 升序 2)降序
+        int choose2; // 选择排序方式
+        printf("选择排序方式: 1) 升序 2)降序: ");
+        scanf("%d", &choose2);
+        if (1 == choose2) // 升序
+        {
+            STU *p = head; // 创建一个临时指针,用来保存头指针,防止头指针丢失
+            while (NULL != p)
+            {
+                STU *q = p->next; // 创建一个临时指针,用来保存头指针,防止头指针丢失
+                while (NULL != q)
+                {
+                    if (p->age > q->age)
+                    {
+                        swap(p, q);
+                    }
+                    q = q->next;
+                }
+                p = p->next;
+            }
+        }
+        else if (2 == choose2) // 降序
+        {
+            STU *p = head; // 创建一个临时指针,用来保存头指针,防止头指针丢失
+            while (NULL != p)
+            {
+                STU *q = p->next; // 创建一个临时指针,用来保存头指针,防止头指针丢失
+                while (NULL != q)
+                {
+                    if (p->age < q->age)
+                    {
+                        swap(p, q);
+                    }
+                    q = q->next;
+                }
+                p = p->next;
+            }
+        }
+        else
+        {
+            // 选择错误
+            printf("\033[%dm选择错误\033[0m\n", RED);
+        }
+    }
+    else
+    {
+        // 选择错误
+        printf("\033[%dm选择错误\033[0m\n", RED);
+    }
+    return head; // 返回头指针
+}
+
+// 反序学生（头变尾，尾变头）
+STU *reverse_stu(STU *head)
+{
+    if (NULL == head)
+    {
+        printf("\033[%dm无数据,无法反序\033[0m\n", RED);
+        return NULL;
+    }
+
+    STU *pi = head->next; // 当前节点的下一个节点地址
+    head->next = NULL;    // 把头节点的下一个节点置空，让头节点成为尾节点
+    STU *tp = NULL;       // 当前节点的下一个节点地址 pi 的下一个节点地址
+    while (pi != NULL)    // 当 pi 不为空时,说明 pi 不是尾部,则反序 pi 的信息
+    {
+        tp = pi->next;   // 首先 tp 保存 pi 的下一个节点地址
+        pi->next = head; // 然后把 pi 的下一个节点地址指向 head
+        head = pi;       // 然后让 hand 指向 pi
+        pi = tp;         // 最后找到新的 pi，即 tp
+    }
+
+    printf("\033[%dm反序成功\033[0m\n", BLUE);
+    return head; // 返回头指针
+}
+
+// 保存数据到文件
+void saveToFile(STU *head, const char *filename)
+{
+    FILE *file = fopen(filename, "w");
+    if (file == NULL)
+    {
+        printf("\033[%dm无法打开文件, 保存数据失败\033[0m", RED);
+        return;
+    }
+
+    STU *current = head;    // 定义临时指针,用来保存头指针,防止头指针丢失
+    while (current != NULL) // 当 p 不为空时,说明 p 不是尾部,则打印 p 的信息
+    {
+        // 格式化存储数据，每个字段之间用逗号分隔
+        fprintf(file, "%d,%s,%d\n", current->sid, current->name, current->age);
+        current = current->next; // p 一直向后移动,直到找到尾部
+    }
+    printf("保存数据成功\n");
+    fclose(file);
+}
+
+// 从文件中读取数据
+STU *readFromFile(const char *filename)
+{
+    FILE *file = fopen(filename, "r");
+    if (file == NULL)
+    {
+        printf("\033[%dm无法打开文件, 加载数据失败\033[0m", RED);
+        return NULL;
+    }
+
+    STU *head = NULL; // 定义头指针
+    STU *prev = NULL; // 定义尾指针
+    char line[100];   // 100 个字符的数组,用来保存每一行的数据
+
+    while (fgets(line, sizeof(line), file) != NULL) // 逐行读取文件内容
+    {
+        STU *node = (STU *)malloc(sizeof(STU)); // 申请一个节点的内存, 用来保存学生信息
+        /*
+        %d :表示读取一个整数，并将其存储在 &(node->sid)的地址中，即学生的学号。 
+        , :表示读取一个逗号，用于分隔学号和姓名之间的字段。 
+        %[^,] :表示读取一个字符串，直到遇到逗号为止，并将其存储在 node -> name 中，即学生的姓名。[^,] 表示匹配除逗号以外的任意字符。 
+        , :表示读取一个逗号，用于分隔姓名和年龄之间的字段。 
+        %d :表示读取一个整数，并将其存储在 &(node->age)的地址中，即学生的年龄。
+        */
+        sscanf(line, "%d,%[^,],%d\n", &(node->sid), node->name, &(node->age)); // 将每一行的数据保存到节点中
+        // fscanf() 每次执行后会丢失数据，所以需要使用 sscanf() 函数，原因是 fscanf() 函数会在每次执行后将文件指针向后移动，而 sscanf() 函数不会移动文件指针。
+        // fscanf(file, "%d,%[^,],%d", &(node->sid), node->name, &(node->age)); // 将每一行的数据保存到节点中
+        node->next = NULL; // 新建的节点的下一个节点指向空,因为是尾部插入
+
+        if (head == NULL) // 当头指针为空时,说明链表为空,直接将新建的节点作为头指针
+        {
+            head = node;
+        }
+        else // 否则,说明链表不为空,需要找到链表的尾部,将新建的节点插入到尾部
+        {
+            prev->next = node; // 将新建的节点插入到尾部
+        }
+        prev = node; // 将尾指针指向新建的节点
+    }
+
+    fclose(file);
+    printf("加载数据成功\n");
+    return head;
+}
diff --git a/day15/d1-stuMangerSystem/main b/day15/d1-stuMangerSystem/main
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diff --git a/day15/d1-stuMangerSystem/main.c b/day15/d1-stuMangerSystem/main.c
new file mode 100644
index 0000000..e0ee0f1
--- /dev/null
+++ b/day15/d1-stuMangerSystem/main.c
@@ -0,0 +1,105 @@
+#include "./includes/link.h"
+
+int main(int argc, char const *argv[])
+{
+    STU *head = NULL; // 定义全局的头指针
+
+    // 声明临时变量,用来保存学生信息
+    char tsid;
+    char tname[32];
+    int tage;
+
+    // // 创建几个学生信息，用于测试
+    // STU *stu1 = (STU *)malloc(sizeof(STU));
+    // stu1->sid = 1;
+    // strcpy(stu1->name, "张三");
+    // stu1->age = 18;
+    // STU *stu2 = (STU *)malloc(sizeof(STU));
+    // stu2->sid = 2;
+    // strcpy(stu2->name, "李四");
+    // stu2->age = 21;
+    // STU *stu3 = (STU *)malloc(sizeof(STU));
+    // stu3->sid = 3;
+    // strcpy(stu3->name, "王五");
+    // stu3->age = 15;
+    // STU *stu4 = (STU *)malloc(sizeof(STU));
+    // stu4->sid = 4;
+    // strcpy(stu4->name, "赵六");
+    // stu4->age = 13;
+    // head = insert_stu(head, stu1);
+    // head = insert_stu(head, stu2);
+    // head = insert_stu(head, stu3);
+    // head = insert_stu(head, stu4);
+
+    while (1)
+    {
+        // printf("\033[2J");
+        // printf("--------------------\n");
+        printf("\t\t    \033[%d;%dm学生管理系统\033[0m\n\n", BOLD, CYAN_B);
+        printf("\033[%d;%dm1) 添加学生 \t2) 删除学生 \t3) 打印  \n4) 查询  \t5) 修改 \t6) 排序  \n7) 反序  \t8) 加载数据  \t0) 退出(保存数据)\n请输入选项# \033[0m", BOLD, GREEN);
+        int cmd = 0;
+        scanf("%d", &cmd);
+        switch (cmd)
+        {
+        case 0:
+            // store_data(head); // 存储数据
+            saveToFile(head, "./data/stu.date");
+            return 1;
+        case 1:
+            printf("输入学生的 学号 姓名 年龄: ");
+            // 键盘收集数据并动态插入链表
+            scanf("%hhd %s %d", &tsid, tname, &tage); // 键盘收集数据
+            STU *item = (STU *)malloc(sizeof(STU));   // 申请一个节点的内存, 用来保存学生信息
+            item->sid = tsid;                         // 保存学生学号到新建的节点
+            strcpy(item->name, tname);                // 保存学生姓名到新建的节点
+            item->age = tage;                         // 保存学生年龄到新建的节点
+            item->next = NULL;                        // 新建的节点的下一个节点指向空,因为是尾部插入
+            head = insert_stu(head, item);            // 将新建的节点插入到链表中
+            break;
+        case 2:
+            printf("输入要删除的学生的学号: ");
+            scanf("%hhd", &tsid);
+            head = delete_stu(head, tsid);
+            break;
+        case 3:
+            shows(head);
+            break;
+        case 4:
+            printf("输入要查询的学生的学号: ");
+            scanf("%hhd", &tsid);
+            head = find_stu(head, tsid);
+            if (head == NULL)
+            {
+                printf("\033[%dm未找到 sid = %d 的学生\033[0m\n", RED, tsid);
+            }
+            else
+            {
+                printf("查询到的学生信息如下: \n");
+                printf("\033[%dm学号\t姓名\t年龄\033[0m\n", BLUE_B);
+                printf("\033[%dm%d\t%s\t%d\033[0m\n", BLUE, head->sid, head->name, head->age);
+            }
+            break;
+        case 5:
+            printf("输入要修改的学生的学号:");
+            scanf("%hhd", &tsid);
+            head = update_stu(head, tsid);
+            break;
+        case 6:
+            printf("排序学生信息:\n");
+            head = sort_stu(head);
+            break;
+        case 7:
+            printf("反序学生信息:\n");
+            head = reverse_stu(head);
+            break;
+        case 8:
+            printf("加载数据......\n");
+            head = readFromFile("./data/stu.date");
+            break;
+        default:
+            printf("\033[%dm选择错误\033[0m\n", RED);
+            break;
+        }
+    }
+    return 0;
+}
diff --git a/day15/d1-stuMangerSystem/objs/link.o b/day15/d1-stuMangerSystem/objs/link.o
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diff --git a/day15/d1-stuMangerSystem/objs/main.o b/day15/d1-stuMangerSystem/objs/main.o
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