17070047 / 17070047/CodeStructureCourse
张艳文
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- C++
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Mô tả
```c
#include
#include
#include
#define MAXSIZE 100 //借书证信息记录个数的最大值
typedef struct { //建立关于借书证信息结点的结构体
int cardNum; //卡号
char name[8]; //姓名
char major[12]; //系名
int classNum; //班号
}libCardInfo;
typedef struct{ //定义借书证信息的记录
libCardInfo cardInfo;
}recordInfo; //记录类型定义
typedef struct{
recordInfo r[MAXSIZE + 1]; //r[0]一般不用于存放排序码
int length; //待排序文件中记录的个数
}table; //待排序文件类型
void input(table *tab){ //录入基本信息
char s = 'Y';
tab->length = 1;
while (s == 'Y' || s == 'y'&&tab->length <= MAXSIZE){
printf("\n请输入借书证卡号:");
scanf("%d", &tab->r[tab->length].cardInfo.cardNum);
printf("请输入持卡人姓名:");
scanf("%s", tab->r[tab->length].cardInfo.name);
printf("请输入持卡人系别:");
scanf("%s", tab->r[tab->length].cardInfo.major);
printf("请输入持卡人班号:");
scanf("%d", &tab->r[tab->length].cardInfo.classNum);
printf("请问是否继续录入?(Y/N):");
getchar();
scanf("%c", &s);
tab->length++;
}
}
void output(libCardInfo *info){ //输出卡基本信息
printf("\t╔ ╗\n");
printf("\t 借书证卡号:%d\n", info->cardNum);
printf("\t 持卡人姓名:%s\n", info->name);
printf("\t 持卡人系别:%s\n", info->major);
printf("\t 持卡人班号:%d\n", info->classNum);
printf("\t╚ ╝\n");
}
void shellinsertsort(table *tab){ //希尔插入排序并输出
int i, j, d;
d = tab->length / 2;
while (d >= 1){
for (i = d + 1; ilength; i++){ //从第d+1个元素开始,将所有的元素有序的插入相应分组中
tab->r[0] = tab->r[i]; //保存第i个元素
j = i - d; //向前找插入位置
while (j>0 && tab->r[0].cardInfo.cardNumr[j].cardInfo.cardNum){ //排序码比较找插入位置并后移
tab->r[j + d] = tab->r[j]; //记录后移
j = j - d; //继续向前查找
}
tab->r[j + d] = tab->r[0]; //插入第i个元素的副本
}
d = d / 2;
}
for (i = 1; ilength; i++){
output(&tab->r[i].cardInfo);
}
}
void seqSearch(table *tab){
int i = 1, j = 1;
char major[10];
printf("\n请输入你要查找的系名:");
scanf_s("%s", major,10);
while (ilength){
if (!strcmp(tab->r[i].cardInfo.major, major)){
output(&(tab->r[i].cardInfo));
j = 0;
}
i++;
}
if (j) printf("\t\t 『没有该系别的记录!』\n");
}
int main() {
int x, set = 1;
table tab;
while (set){
printf("\t\t╔═════════════╗\n");
printf("\t\t║ ║\n");
printf("\t\t╠ 欢迎使用借书证管理系统 ╣\n");
printf("\t\t║ ║\n");
printf("\t\t╠═════════════╣\n");
printf("\t\t║ 1.录入借书证基本信息 ║\n");
printf("\t\t║ ║\n");
printf("\t\t║ 2.输出已有借书证信息 ║\n");
printf("\t\t║ ║\n");
printf("\t\t║ 3.系名查找借书证信息 ║\n");
printf("\t\t║ ║\n");
printf("\t\t║ 4.退出借书证管理系统 ║\n");
printf("\t\t╚═════════════╝\n\n");
printf("请按你的需求选择操作:");
scanf_s("%d", &x);
switch (x){
case 1:input(&tab); break;
case 2:shellinsertsort(&tab); break;
case 3:seqSearch(&tab); break;
case 4:set = 0; printf("\t\t\t『系统退出成功!』\n"); break;
default: printf("没有该选项对应的操作!");
}
system("pause");
system("cls");
}
return 0;
```


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