#include <stdlib.h>
#include <string.h>
typedef struct datanode {
char name[24]
char phone[12]
// ......
struct datanode *next
}*pNode,*LinkList,Node
LinkList getEmptyList() {
LinkList head = (pNode)malloc(sizeof(Node))
head->next = NULL
return head
}
void addNode(LinkList head, pNode pnode) {
pnode->next = head->next
head->next = pnode
}
void writeFile(LinkList head) {
FILE *outf
pNode p = head->next
if((outf = fopen("data.txt","wt")) == NULL) {
printf("不能打开数据文件。\n")
exit(1)
}
while(p) {
fwrite(p,sizeof(Node),1,outf)
p = p->next
}
fclose(outf)
}
int main() {
char name[24],phone[12]
// ......
pNode p
LinkList head = getEmptyList()
while(scanf("%s%s",name,phone) == 2) {
p = (pNode)malloc(sizeof(Node))
strcpy(p->name,name)
strcpy(p->phone,phone)
addNode(head,p)
printf("姓名 联系电话(<Ctrl + Z> <ENTER> 结束)\n")
}
writeFile(head)
return 0
}
只需要将文件标示为二进制即可。\x0d\x0astruct student stu[256]\x0d\x0a//将stu赋值...\x0d\x0a\x0d\x0aFILE * fd=fopen("c:\\test.bin","wb")//打开\x0d\x0aint i\x0d\x0afor(i=0i 回答于 2022-11-16
