#include<stdio.h>

#include<windows.h>

#define N 70000  //定义行数！！用空间换取时间

struct student

{

char name[];

int num;

}a[N];

int main()

{

    void GetOpenFileLine(char *szFile);

    void otherFile(char *buffer);

    char buffer[];

    ZeroMemory(buffer,sizeof(buffer)/sizeof(char));

    printf("请输入需要读取文件的【绝对路径】\n");

    fflush(stdin);

    gets(buffer);//因为输入的文件中可能有空格等，所以用fgets

    otherFile(buffer);

    system("pause");

}

void otherFile(char *buffer)

{

    FILE *fp;

    char ch='\\';

    int i,j=;

    for(i=;buffer[i]!='\0';i++)

    {

        if(buffer[i]==ch)

        {

            buffer[j++]='\/';

        }

        else

        {

            buffer[j++]=buffer[i];

        }

    }

    buffer[j]='\0';

    fp=fopen(buffer,"r");

    if(NULL==fp)

    {

        system("cls");

        printf("can not open the file");

        Sleep();

        return;

    }

    else

    {

        GetOpenFileLine(buffer);

    }

}

void GetOpenFileLine(char *szFile)

{

    int iCounter=;

    int i=;

    float persent=;

    char buffer[];

    FILE *fp=fopen(szFile,"r");

    while(!feof(fp))

    {

        fgets(buffer,,fp);

        iCounter++;

    }

    printf("文件一共有%d行\n",iCounter);

    fclose(fp);

     fp=fopen(szFile,"r");

    while (!feof(fp))

    {

        fscanf(fp,"%s %d ",a[i].name,&a[i].num);

        i++;

        persent=(float)i/iCounter;

        printf("\r");

        printf("正在读取第%d行!\t已完成%0.2f%%",i,persent*);

        Sleep();

    }

}