C 数据库编号输出不起作用



好吧,我在这里有一段代码,它完美地生成了一个用户名、密码和分数的数据库,只是分数彼此不一致。这显然是由于字符串长度函数的问题,我试图创建临时变量来存储值,而其他一些垃圾移动似乎只会让情况变得更糟。

#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
void addscores(void);
void intmount(void);
FILE *faa; 
FILE *fab;
FILE *fac;
FILE *fu;
FILE *fp;
FILE *fs;
int temp;
int i3=0;
int DataCount=1;
int total=0;
struct store3
{
int def3;
}stock3[128];
int main()
{
    faa=fopen("Test 01 Scores.txt","r");
    fab=fopen("Test 02 Scores.txt","r");
    fac=fopen("Test 03 Scores.txt","r");

          struct store
          {
          char def[128];
          }stock[128];
          struct store2
          {
          char def2[128];
          }stock2[128];

         //int DataCount=1;
         int i=0;
         int i2=0;
         int tick;
         fu=fopen("Student Usernames.txt","r");
         fscanf(fu,"%127[^n]%*c", stock[DataCount].def);
         for(i=0; stock[DataCount].def[i]!=''; ++i);
         fp=fopen("Student Passwords.txt","r");
         fscanf(fp,"%127[^n]%*c", stock2[DataCount].def2);
         for(i2=0; stock2[DataCount].def2[i2]!=''; ++i2);
         addscores();
         //intmount();
         printf("|Username");
         printf("        |");
         printf("Password");
         printf("        |");
         printf("Total Score     |");
         printf("n+----------------+----------------+----------------+n");

         do
         {
                    printf("|%s", stock[DataCount].def);
                    i=16-i;
                    for(tick=0; tick<i;tick++)
                    {
                                printf(" ");
                    } 

                    printf("|%s", stock2[DataCount].def2);
                    i2=16-i2;
                    for(tick=0; tick<i2;tick++)
                    {
                                printf(" ");
                    } 

                    printf("|");
                    i3=16-i3;
                    for(tick=0; tick<i3;tick++)
                    {
                                printf(" ");
                    }
                    printf("%d|n",total);
                    DataCount=DataCount+1;
                    fscanf(fu,"%127[^n]%*c", stock[DataCount].def);
                    for(i=0; stock[DataCount].def[i]!=''; ++i);
                    fscanf(fp,"%127[^n]%*c", stock2[DataCount].def2);
                    for(i2=0; stock2[DataCount].def2[i2]!=''; ++i2);
                    addscores(); //fscanf for scores
                    //intmount(); //char count for scores                  
    }
    while(!feof(fu));
    printf("|%s", stock[DataCount].def);
    i=16-i;
    for(tick=0; tick<i;tick++)
    {
                printf(" ");
    } 

    printf("|%s", stock2[DataCount].def2);
    i2=16-i2;
    for(tick=0; tick<i2;tick++)
    {
                printf(" ");
    } 
   // intmount();
    printf("|");
    i3=16-i3;
    for(tick=0; tick<i3;tick++)
    {
                printf(" ");
    }
    printf("%d|n",total);

    DataCount=DataCount+1;
    fscanf(fu,"%127[^n]%*c", stock[DataCount].def);
    for(i=0; stock[DataCount].def[i]!=''; ++i);

    fscanf(fp,"%127[^n]%*c", stock2[DataCount].def2);
    for(i2=0; stock2[DataCount].def2[i2]!=''; ++i2);

    addscores();
    //intmount();

    fclose(faa);
    fclose(fab);
    fclose(fac);
    fclose(fu); 
    fclose(fp);
    fclose(fs);
    getch();
}
void addscores(void)
{
total=0;
fscanf(faa,"%d", &stock3[DataCount].def3);
total=total+stock3[DataCount].def3;
fscanf(fab,"%d", &stock3[DataCount].def3);
total=total+stock3[DataCount].def3;
fscanf(fac,"%d", &stock3[DataCount].def3);
total=total+stock3[DataCount].def3;
}


void intmount(void)
{
for (i3 = 0; total!=0; i3++, total/=10){}
printf(" Number of digits: %dn",i3);
}

文件包括:

Pig
Sheep
Beef
Cat
Wolf
Pork
Wool
Beef
Fish
Bone
1
2
3
4
5
(for all 3 scores)

在人们开始写我的文件、格式或布局之前,我知道可能有一些错误,但我现在还不担心,我只需要修复空间,然后我会编辑我完善的程序,使其看起来好看。

您的循环结构一团糟,您在循环之前从循环内部复制了一整堆代码。在循环中只做一次,不要使用while(!feof),这几乎总是一个错误。相反,检查fscanf调用是否成功,如果失败则中断。

如果将for(i2行替换为对strlen的调用,并且在需要时才执行,那么代码的可读性会大大提高。我不明白i3的意思。

关于您的空间,您应该使用printf对齐选项,例如

printf("%16s", foo);          // right-justified, print at least 16 chars
printf("%-16s", foo);         // left-justified, print at least 16 chars 
printf("%16.16s", foo);       // right-justified, print exactly 16 chars
printf("%-16.16s", foo);      // you can guess this one

您也可以在这些调用中使用""而不是变量名。

如果你仍然有问题,那么发布你得到的实际输出,并解释它与你想要看到的不同。

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