From 64bbd79ece7a1211b6f141cc1252748015dd4d54 Mon Sep 17 00:00:00 2001 From: kouhe <563554545@qq.com> Date: Sun, 5 Dec 2021 04:38:45 +0000 Subject: [PATCH] keshe --- keshe.cpp | 304 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 304 insertions(+) create mode 100644 keshe.cpp diff --git a/keshe.cpp b/keshe.cpp new file mode 100644 index 0000000..2fc1c73 --- /dev/null +++ b/keshe.cpp @@ -0,0 +1,304 @@ +#include +#include +#include +#include + +typedef struct student { + char name[20]; //姓名 + char age[10]; //年龄 + char sex[10]; //性别 + char num[20]; //学号 + char add[40]; //住址 + int score; //成绩 + struct student* next; +} stu; + +void welcome() +{ + printf("****************【Student Manager】*************\n"); + printf("* \n"); + printf("* \n"); + printf("* 1.New \n"); + printf("* 2.Del \n"); + printf("* 3.Edit \n"); + printf("* 4.Show All \n"); + printf("* 5.Search \n"); + printf("* 6.Save \n"); + printf("* 7.Sort \n"); + printf("* 8.Read \n"); + printf("* 9.Exit \n"); + printf("* \n"); + printf("* \n"); + printf("***********************************************\n"); +} + +void tuichu() +{ + printf("\nSee you next time!\n"); + exit(0); +} + +void creat(stu* head) +{ + stu* p = head; + stu* p1 = (student*)malloc(sizeof(student)); + printf("\nAdding info\n"); + printf("Name:\n"); + scanf("%s", p1->name); + printf("Sex:\n"); + scanf("%s", p1->sex); + printf("Age:\n"); + scanf("%s", p1->age); + printf("Id:\n"); + scanf("%s", p1->num); + printf("Score\n"); + scanf("%d", &p1->score); + printf("Address\n"); + scanf("%s", p1->add); + while (p->next != NULL) { + p = p->next; + if (strcmp(p1->num, p->num) == 0) { + printf("Student already exist\n"); + system("pause"); + free(p1); + return; + } + } + + p1->next = NULL; + p->next = p1; + + printf("\nDone\n"); + system("pause"); +} + +void del(student* head) +{ + stu *p, *p1; + p = head; + p1 = p->next; + char arr[20]; + printf("input name:\n"); + scanf("%s", arr); + while (p1 != NULL) { + while (strcmp(arr, p1->name) == 0) { + p->next = p1->next; + free(p1); + printf("Done\n"); + return; + } + } + if (p1 == 0 || strcmp(arr, p1->name) != 0) { + printf("Can not find\n"); + } +} + +void look(stu* head) +{ + stu* p; + p = head; + p = head->next; + if (p != NULL) { + while (p != NULL) { + printf(""); + printf("Name：%s\t\t", p->name); + printf("Age：%s\t\t", p->age); + printf("Sex：%s\t\t", p->sex); + printf("Id：%s\t\t", p->num); + printf("Score：%d\t\t", p->score); + printf("Address：%s\t\t\n", p->add); + p = p->next; + //printf("That's All\n"); + } + } else { + printf("No info\n"); + } +} + +void search(student* head) +{ + stu* p = head; + char i[20]; + printf("Input Name:\n"); + scanf("%s", i); + while (p->next != NULL) { + while (strcmp(p->next->name, i) == 0) { + printf("Info:\n"); + printf("Name:%s\n", p->next->name); + printf("Age:%s\n", p->next->age); + printf("Sex:%s\n", p->next->sex); + printf("Id:%s\n", p->next->num); + printf("Score:%d\n", p->next->score); + printf("Address:%s\n\n", p->next->add); + printf("\n"); + return; + } + p = p->next; + if (p->next == NULL) { + printf("Can not find\n"); + } + } +} + +void save(student* head) +{ + FILE* fp; + fp = fopen("D:\\student.txt", "a+"); + stu* p = head; + p = p->next; + if (fp != NULL) { + while (p != NULL) { + fprintf(fp, "Name: %s ", p->name); + fprintf(fp, "Age: %s ", p->age); + fprintf(fp, "Sex: %s ", p->sex); + fprintf(fp, "Id: %s ", p->num); + fprintf(fp, "Address: %s ", p->add); + fprintf(fp, "Score: %d\n", p->score); + p = p->next; + } + fclose(fp); + printf("Saved to D\n"); + } + system("pause"); +} + +void change(stu* head) +{ + stu* p = head->next; + char i[10]; + printf("input name:\n"); + scanf("%s", &i); + while (p != NULL) { + while (strcmp(p->name, i) == 0) { + printf("New Name:\n"); + scanf("%s", &p->name); + printf("New Age:\n"); + scanf("%s", &p->age); + printf("New Sex:\n"); + scanf("%s", &p->sex); + printf("New Id:\n"); + scanf("%s", &p->num); + printf("New Address:\n"); + scanf("%s", &p->add); + printf("New Score\n"); + scanf("%d", &p->score); + return; + } + p = NULL; + } + printf("Can not find\n"); +} + +void paixu(student* head) +{ + struct student *p, *p1, *t; + p = head; + p1 = head->next; + system("cls"); + while (p->next != NULL) { + while (p1->next != NULL) { + if (p->next->score < p1->next->score) { + t = p->next; + p->next = p1->next; + p1->next = p1->next->next; + p->next->next = t; + } else { + p1 = p1->next; + } + } + p = p->next; + p1 = p->next; + } + p = head->next; + printf("Sorted:\n"); + while (p) { + printf("Name: %s ", p->name); + printf("Age: %s ", p->age); + printf("Sex: %s ", p->sex); + printf("Id: %s ", p->num); + printf("Address: %s ", p->add); + printf("Score: %d\n", p->score); + p = p->next; + } +} + +void duqu(stu* head) +{ + FILE* fp; + char ch; + fp = fopen("D:\\student.txt", "r"); + if (fp == NULL) { + printf("blank!\n"); + } else { + ch = fgetc(fp); + while (!feof(fp)) { + printf("%c", ch); + ch = fgetc(fp); + } + + printf("\n"); + } + system("pause"); + fclose(fp); +} + +void ps(char* pStr, int Len) +{ + int lSpaceNum = (Len - strlen(pStr)) / 2; + + printf("%*s\n", lSpaceNum + strlen(pStr), pStr); +} + +int main() +{ + + + + + struct student stu[100]; + student* head = (student*)malloc(sizeof(student)); + head->next = NULL; + while (1) { + + system("cls"); + welcome(); + printf("Your choice:\n"); + int a; + scanf("%d", &a); + switch (a) { + case 1: + creat(head); + break; + case 2: + del(head); + system("pause"); + break; + case 3: + change(head); + system("pause"); + break; + case 4: + look(head); + system("pause"); + break; + case 5: + search(head); + system("pause"); + break; + case 6: + save(head); + break; + case 7: + paixu(head); + system("pause"); + break; + case 8: + duqu(head); + break; + case 9: + tuichu(); + break; + } + } + return 0; +}