问一个关于clrsrc函数的问题 - C语言论坛

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问一个关于clrsrc函数的问题

就是打算用它清除已经输出打印的东西
加了头文件conio.h
但还是编译过运行报错

求达人指点

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第 2 楼

得分:0

clrsrc 这是清屏函数..
没头文件一样可以用..
应该是你代码写错..你发你的原码

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第 3 楼

得分:0

回复 2楼 xy4919961

问题没加这个函数的时候程序跑起来是正常的啊

第 4 楼

得分:0

#include <stdio.h>
#include <string.h>
#include <conio.h>
struct BUY
{
   char sort[10];
   char season[10];
   char brand[10];
   int  q;
   char location[20];
};
struct QUERY
{
   char sort[10];
   char season[10];
};

void purchase(struct BUY buy1);
void query(struct QUERY query1);
main()
{
int option=10;
struct BUY buy1;
struct QUERY query1;
int con=1;

while(con)
{
printf("service type as follows\n");
printf("1:add new purchasing\t 2:inquire about present storage\t 0:exit\n");
scanf("%1d",&option);
clrsrc();——————————————————————在这
switch(option)
{
    case 0:
        exit(1);

    case 1:
        printf("input things newly purchased\n");
        printf("directions:\n");
        printf("input list as follows:clothes summer nike 1 room1\n");
        printf("sorted   as: clothes\t shoesandhats \n");
        printf("seasoned as: summer\t winter\t others \n");
        printf("nike represents the brand; 1 represents quanity \n");
        printf("room1cabinet represents the location \n");
        scanf("%s %s %s %d %s",buy1.sort,buy1.season,buy1.brand,&buy1.q,buy1.location);
        purchase(buy1);
        break;
    case 2:
        printf("input the list for inquiry\n");
        printf("inquiry list formation is as follows:");
        printf("clothes summer \n");
        scanf("%s %s",&query1.sort,&query1.season);
        query(query1);
        break;

    default:
        ;
}
printf("continue:1 exit:0\n");
scanf("%d",&con);
}
}

void purchase(struct BUY buy1)
{
    FILE *fp;
    fp=fopen("d:\\purchase.txt","a+");
    fprintf(fp,"%s ",buy1.sort);
    fprintf(fp,"%s ",buy1.season);
    fprintf(fp,"%s ",buy1.brand);
    fprintf(fp,"%d ",buy1.q);
    fprintf(fp,"%s\n",buy1.location);
    fclose(fp);
}

void query(struct QUERY query1)
{
    struct QUERY query2;
    struct BUY    buy2;
    long number;
    FILE *fp;
    fp=fopen("d:\\purchase.txt","r");
    if((fp=fopen("d:\\purchase.txt","r"))==NULL)
    {
        printf("file do not exist\n");
        exit(1);
    }
    while(getc(fp)!=EOF)
    {
    fseek(fp,-1L,SEEK_CUR);
    number=ftell(fp);
    fscanf(fp,"%s %s ",query2.sort,query2.season);
    if(!strcmp(query2.sort,query1.sort)&&!strcmp(query2.season,query1.season))
    {
        fseek(fp,number,SEEK_SET);
        fscanf(fp,"%s %s %s %d %s",buy2.sort,buy2.season,buy2.brand,&buy2.q,buy2.location);
        fprintf(stdout,"%s %s %s %d %s\n",buy2.sort,buy2.season,buy2.brand,buy2.q,buy2.location);

    }
    while(getc(fp)!='\n')
    {
            fseek(fp,1L,SEEK_CUR);
    }
    }
    fclose(fp);
}

[ 本帖最后由 rainybear 于 2009-11-24 00:24 编辑 ]

第 5 楼

得分:0

#include <stdio.h>
#include <string.h>
#include <conio.h>
struct BUY
{
   char sort[10];
   char season[10];
   char brand[10];
   int  q;
   char location[20];
};
struct QUERY
{
   char sort[10];
   char season[10];
};

void purchase(struct BUY buy1);
void query(struct QUERY query1);
main()
{
int option=10;
struct BUY buy1;
struct QUERY query1;
int con=1;

while(con)
{
printf("service type as follows\n");
printf("1:add new purchasing\t 2:inquire about present storage\t 0:exit\n");
scanf("%1d",&option);
clrscr();
switch(option)
{
    case 0:
        exit(1);

    case 1:
        printf("input things newly purchased\n");
        printf("directions:\n");
        printf("input list as follows:clothes summer nike 1 room1\n");
        printf("sorted   as: clothes\t shoesandhats \n");
        printf("seasoned as: summer\t winter\t others \n");
        printf("nike represents the brand; 1 represents quanity \n");
        printf("room1cabinet represents the location \n");
        scanf("%s %s %s %d %s",buy1.sort,buy1.season,buy1.brand,&buy1.q,buy1.location);
        purchase(buy1);
        break;
    case 2:
        printf("input the list for inquiry\n");
        printf("inquiry list formation is as follows:");
        printf("clothes summer \n");
        scanf("%s %s",&query1.sort,&query1.season);
        query(query1);
        break;

    default:
        ;
}
printf("continue:1 exit:0\n");
scanf("%d",&con);
}
}

void purchase(struct BUY buy1)
{
    FILE *fp;
    fp=fopen("d:\\purchase.txt","a+");
    fprintf(fp,"%s ",buy1.sort);
    fprintf(fp,"%s ",buy1.season);
    fprintf(fp,"%s ",buy1.brand);
    fprintf(fp,"%d ",buy1.q);
    fprintf(fp,"%s\n",buy1.location);
    fclose(fp);
}

void query(struct QUERY query1)
{
    struct QUERY query2;
    struct BUY    buy2;
    long number;
    FILE *fp;
    fp=fopen("d:\\purchase.txt","r");
    if((fp=fopen("d:\\purchase.txt","r"))==NULL)
    {
        printf("file do not exist\n");
        exit(1);
    }
    while(getc(fp)!=EOF)
    {
    fseek(fp,-1L,SEEK_CUR);
    number=ftell(fp);
    fscanf(fp,"%s %s ",query2.sort,query2.season);
    if(!strcmp(query2.sort,query1.sort)&&!strcmp(query2.season,query1.season))
    {
        fseek(fp,number,SEEK_SET);
        fscanf(fp,"%s %s %s %d %s",buy2.sort,buy2.season,buy2.brand,&buy2.q,buy2.location);
        fprintf(stdout,"%s %s %s %d %s\n",buy2.sort,buy2.season,buy2.brand,buy2.q,buy2.location);

    }
    while(getc(fp)!='\n')
    {
            fseek(fp,1L,SEEK_CUR);
    }
    }
    fclose(fp);
}
            你把函数写错了。.

[ 本帖最后由 xy4919961 于 2009-11-24 00:38 编辑 ]

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