大佬们，为啥这个程序用一次查询功能再用浏览功能就会多打印一遍啊
图片说明
代码如下：
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include <malloc.h>
#include<conio.h>
#include<Windows.h>
struct worker
{
    char ID[20];
    char name[20];
    char sex[20];
    char birth[20];
    char education[20];
    char post[20];
    char wages[20];
    char address[30];
    char phone[20];

}; 
struct Node 
{
    struct worker data;
    struct Node* next;
};
struct Node* createList()//创建链表 
{
    struct Node* listHeadNode = (struct Node*)malloc(sizeof(struct Node));
    listHeadNode->next = NULL;
    return listHeadNode;
}
struct Node* createNode(struct worker data)//创建结点 
{
    struct Node* newNode = (struct Node*)malloc(sizeof(struct Node));
    newNode->data = data;   //信息初始化 
    newNode->next = NULL;
    return newNode;
}
void insertNodeByHead(struct Node* listHeadNode, struct worker data)//插入结点 
{
    struct Node* newNode = createNode(data);
    newNode->next = listHeadNode->next;
    listHeadNode->next = newNode;
}
void readInfoFromFile(char *fileName, struct Node* listHeadNode)//读取文件 
{
    FILE *fp = fopen(fileName, "r");
    if (fp == NULL)
    {
        fp = fopen(fileName, "w");
    }
    struct worker tempData;
    while (fscanf(fp, "%s %s %s %s %s %s %s %s %s\n", tempData.ID, tempData.name, 
        tempData.sex, tempData.birth, tempData.education, tempData.post, tempData.wages, tempData.address, tempData.phone) != EOF)
    {
        insertNodeByHead(listHeadNode, tempData);
        memset(&tempData, 0, sizeof(tempData));
    }
    fclose(fp);
}
void saveInfoToFile(char *fileName, struct Node* listHeadNode)//保存到文件 
{
    FILE *fp = fopen(fileName, "w");
    struct Node* pMove = listHeadNode->next;
    while (pMove)
    {
        fprintf(fp,"%s %s %s %s %s %s %s %s %s\n", pMove->data.ID, pMove->data.name,
            pMove->data.sex, pMove->data.birth,pMove->data.education,pMove->data.post, pMove->data.wages,pMove->data.address,pMove->data.phone);
        pMove = pMove->next;
    }
    fclose(fp);
}

void printList(struct Node* listHeadNode)//打印：浏览信息
{
    struct Node* pMove = listHeadNode->next;
    while (pMove)
    {
        printf("%s %s %s %s %s %s %s %s %s\n", pMove->data.ID, pMove->data.name, pMove->data.sex,pMove->data.birth,pMove->data.education, pMove->data.post, pMove->data.wages, pMove->data.address, pMove->data.phone);
        pMove = pMove->next;
    }
    printf("\n");
}
void printNode(struct Node* curNode)
{
    printf("\t");
    printf("%s %s %s %s %s %s %s %s %s\n", curNode->data.ID, curNode->data.name, curNode->data.sex,curNode->data.birth,curNode->data.education, curNode->data.post, curNode->data.wages,curNode->data.address,curNode->data.phone);
}
void deleteNodeByAppoinNum(struct Node* listHeadNode,char *ID)//按工号删除 
{
    struct Node* posFrontNode = listHeadNode;
    struct Node* posNode = listHeadNode->next;
    if (posNode == NULL)
    {
        printf("无相关内容，无法删除!\n");
        return;
    }
    else
    {
        while (strcmp(posNode->data.ID,ID))
        {
            posFrontNode = posNode;
            posNode = posFrontNode->next;
            if (posNode == NULL)
            {
                printf("无相关内容，无法删除!\n");
                return;
            }
        }
        posFrontNode->next = posNode->next;
        free(posNode);
    }
}
struct Node* searchNodeByAppoinNum(struct Node* listHeadNode, char *ID)//查找 
{
    struct Node* pMove = listHeadNode->next;
    if (pMove == NULL)
        return pMove;
    else
    {
        while (strcmp(pMove->data.ID, ID))
        {
            pMove = pMove->next;
            if (pMove == NULL)
                break;
        }
        return pMove;
    }
}

struct Node* list = NULL;
void menu()
{
    printf("--------------[职工管理系统]--------------\n");
    printf("\t\t0.退出系统\n");
    printf("\t\t1.创建信息\n");
    printf("\t\t2.浏览信息\n");
    printf("\t\t3.删除信息\n");
    printf("\t\t4.修改信息\n");
    printf("\t\t5.查询信息\n");

    printf("------------------------------------------\n");
    printf("请输入0-5来执行操作"); 
} 
void keydown()
{
    int userkey;
    struct worker tempData;
    scanf("%d",&userkey);
    switch(userkey)
    {
        case 0:
            printf("\t\t0.退出系统\n");
            system("pause");
            exit(0);
            break;
        case 1:
            printf("\t\t1.创建信息\n");
            printf("请输入工号,姓名,性别（M&F）,出生年月,学历,职务,工资,住址,电话:\n");
            printf("\t\t(每个数据以一个空格分开)\n");
            scanf("%s %s %s %s %s %s %s %s %s\n",tempData.ID, tempData.name, 
        tempData.sex, tempData.birth, tempData.education, tempData.post, tempData.wages, tempData.address, tempData.phone);
            insertNodeByHead(list, tempData);
            saveInfoToFile("worker.txt", list);
            break;
        case 2:
            printf("\t\t2.浏览信息\n");
            printList(list);
            break;
        case 3:
            printf("\t\t3.删除信息\n");
            printf("请输入需要删除的职工的工号:");
            scanf("%s", tempData.ID);
            deleteNodeByAppoinNum(list, tempData.ID);
            saveInfoToFile("worker.txt", list);
            break;

        case 4:
            printf("\t\t4.修改信息\n");
            printf("请输入要修改的职工的工号:");
            scanf("%s", tempData.ID);
        if (searchNodeByAppoinNum(list, tempData.ID) == NULL)
        {
            printf("未找到相关信息!\n");
        }
        else
        {
            struct Node* curNode = searchNodeByAppoinNum(list, tempData.ID);
            printf("请重新输入工号,姓名,性别（M&F）,出生年月,学历,职务,工资,住址,电话:\n");
            printf("\t\t(每个数据以一个空格分开)\n"); 

                scanf("%s %s %s %s %s %s %s %s %s",curNode->data.ID, curNode->data.name, 
        curNode->data.sex, curNode->data.birth, curNode->data.education, curNode->data.post, curNode->data.wages, curNode->data.address, curNode->data.phone);
            saveInfoToFile("worker.txt", list);
        }
            break;
        case 5:
            readInfoFromFile("worker.txt", list);
            printf("\t\t5.查询信息\n");
            printf("请输入查找的工号:");
            scanf("%s", tempData.ID);
            if (searchNodeByAppoinNum(list, tempData.ID) == NULL)
        {
            printf("未找到相关信息!\n");
        }
        else
        {
            printNode(searchNodeByAppoinNum(list, tempData.ID));

        }
            break;

        default:
            printf("重新输入\n");
            break;
    }
}
 int main()
{
    list = createList();
    readInfoFromFile("worker.txt", list);
    while(1)
    {
     menu();
     keydown();
     system("pause");
     system("cls");
    }
    return 0;
}
如何用C语言实现post一个地址，并记录post数据

data

hht769089161

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