内核链表_exactly42h_learnc_学习.zip

#include <stdio.h> #include <string.h> #include <stdlib.h> #define MAX_NAME 11 typedef union { float normal_score; float pe_score; float art_score; } Score; enum stu_type { normal, pe, art }; typedef struct student_info_manager sim; struct student_info_manager { //定义结构体 size_t sid; //学号 char name[MAX_NAME]; //姓名 size_t gender; //male==1-or-female==0 size_t age; int type; //年龄 Score score; //分数 sim *next; //指向下一个学生 sim *pre; //指向上一个学生 }; sim *create_node(); int add_node(sim *head, sim *node); void delete_node(sim *node); sim *search_node_by_id(sim *head, size_t sid); void modify(sim *head); void modify_name(sim *node); void modify_age(sim *node); void modify_gender(sim *node); void modify_score(sim *node); void modify_type(sim *node); char *get_gender(size_t gender); char *get_type(int type); float get_score(sim *node); void show(sim *head); void output_info(sim *node); void output_format(); void add_student(sim *head); void delete_student(sim *head); void delete_one(sim *head); void delete_all(sim *head); void modify(sim *head) { system("clear"); size_t sid = 0; printf("请输入要修改信息的学生学号:"); scanf("%d", &sid); while(getchar()!='\n'); sim *del = search_node_by_id(head, sid); if (del == NULL) { printf("不存在的人！\n"); printf("任意键继续\n"); getchar(); return; } system("clear"); int sel = 0; output_format(); output_info(del); printf("\t\t\t\t[1]修改姓名\n"); printf("\t\t\t\t[2]修改性别\n"); printf("\t\t\t\t[3]修改年纪\n"); printf("\t\t\t\t[4]修改类型\n"); printf("\t\t\t\t[5]修改分数\n"); printf("\t\t\t\t[0]取消操作\n"); scanf("%d", &sel); while(getchar()!='\n'); if (sel == 1) { modify_name(del); } else if (sel == 2) { modify_gender(del); } else if (sel == 3) { modify_age(del); } else if (sel == 4) { modify_type(del); } else if (sel == 5) { modify_score(del); } else if (sel == 0) { return; } else { printf("不存在的操作！\n"); printf("任意键继续\n"); getchar(); } } void modify_name(sim *node) { printf("输入新的名字"); scanf("%[^\n]", node->name); while(getchar()!='\n'); printf("修改完毕，任意键继续\n"); getchar(); } void modify_gender(sim *node) { printf("输入性别(0或1)\n[0]女\t[1]男性:"); scanf("%d", &node->gender); while(getchar()!='\n'); printf("修改完毕，任意键继续\n"); getchar(); } void modify_age(sim *node) { printf("输入新的年龄:"); scanf("%d", &node->age); while(getchar()!='\n'); printf("修改完毕，任意键继续\n"); getchar(); } void modify_type(sim *node) { printf("输入新类型([0]普通类[1]体育类[2]艺术类):"); int t = node->type; scanf("%d", &node->type); while(getchar()!='\n'); if ((node->type == normal || node->type == pe || node->type == art) && node->type != t) { printf("修改成功\n"); printf("任意键继续\n"); getchar(); return; } node->type = t; printf("修改失败，任意键继续\n"); getchar(); } void modify_score(sim *node) { printf("输入新的分数:"); if (node->type == normal) scanf("%f", &node->score.normal_score); else if (node->type == pe) scanf("%f", &node->score.pe_score); else if (node->type == art) scanf("%f", &node->score.art_score); else { printf("类型错误！\n"); printf("任意键继续\n"); getchar(); return; } while(getchar()!='\n'); printf("修改完成，任意键继续\n"); getchar(); } void delete_student(sim *head) { system("clear"); int sel = 0; printf("\t\t\t\t[1]删除单个\n"); printf("\t\t\t\t[2]删除全部\n"); printf("\t\t\t\t[0]取消操作\n"); scanf("%d", &sel); while(getchar()!='\n'); if (sel == 1) { delete_one(head); } else if (sel == 2) { delete_all(head); } else if (sel == 0) { return; } else { printf("不存在的操作！\n"); printf("任意键继续\n"); getchar(); } } void delete_one(sim *head) { system("clear"); size_t sid = 0; printf("请输入要删除的学生学号:"); scanf("%d", &sid); while(getchar()!='\n'); sim *del = search_node_by_id(head, sid); if (del == NULL) { printf("不存在的人！\n"); printf("任意键继续\n"); getchar(); return; } delete_node(del); printf("任意键继续\n"); getchar(); } void delete_all(sim *head) { system("clear"); sim *end = head; while (end->next != NULL) { end = end->next; } //移动到末 尾 while (end != head) { sim *t = end; end = end->pre; free(t); } head->next = NULL; printf("全部删除！"); printf("删除完毕，任意键继续\n"); getchar(); } void add_student(sim *head) { system("clear"); sim *node = create_node(); ; //待添加节点 if (node == NULL) //初始化待添加节点，并判断是否成功 { printf("不可添加,下次,下次一定!\no(∩_∩)o\n"); printf("任意键继续\n"); getchar(); return; } printf("输入学生学号:"); scanf("%d", &node->sid); while(getchar()!='\n'); if (search_node_by_id(head, node->sid) != NULL) { //欲添加的学生学号已经存在 printf("学号[%d]已被分配!\n", node->sid); printf("不可添加，任意键继续\n"); getchar(); free(node); return; } printf("输入学生姓名:"); scanf("%[^\n]", node->name); while(getchar()!='\n'); printf("输入学生性别(0或1)\n[0]女\t[1]男性:"); scanf("%d", &node->gender); while(getchar()!='\n'); printf("输入学生年龄:"); scanf("%d", &node->age); while(getchar()!='\n'); printf("输入学生类型\n([0]普通类[1]体育类[2]艺术类):"); scanf("%d", &node->type); while(getchar()!='\n'); printf("输入学生成绩:"); if (node->type == normal) { scanf("%f", &node->score.normal_score); } else if (node->type == pe) { scanf("%f", &node->score.pe_score); } else if (node->type == art) { scanf("%f", &node->score.art_score); } else { printf("不存在此类型！\n"); free(node); printf("任意键继续\n"); getchar(); return; } add_node(head, node); printf("添加完毕，任意键继续\n"); getchar(); } void show(sim *head) { sim *p = head; system("clear"); output_format(); while (p != NULL) { if (p != head) output_info(p); p = p->next; } printf("-------------------------------------------------\n"); printf("\n\n"); printf("显示完毕，任意键继续\n"); getchar(); } sim *search_node_by_id(sim *head, size_t sid) { sim *p = head; while (p != NULL) { if (p->sid == sid && p != head) { printf("匹配成功\n"); return p; } p = p->next; } return NULL; } char *get_gender(size_t