耶~終於寫完了^^~滿爽的

[lluck (愛亂跑的follow燈)]

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define NAME_LEN 80
#define MAX_UNITS 10
#define FILESRC "./stdScore.data"

typedef struct
{
        int id;
        char name[NAME_LEN];
        int calculus;
        int computer;
        int total;
        int rank;
} student_t;


int fun_1(student_t*);
int fun_2(const student_t*);
int fun_3(const student_t*);
int bsort(student_t*);
int saveFile(const student_t*,char *);
int loadFile(student_t*,char *);
int sByName(const student_t*);
int delFile(student_t*,char *);

int main()
{
        student_t students[MAX_UNITS];
        int choies = 1;
                int nMaxUnits = MAX_UNITS;

                while(--nMaxUnits + 1)                                          //清空學生資料
                        students[nMaxUnits].name[0] = '\0';

                loadFile(students,FILESRC);                                     //讀入學生資料

        while(choies)
        {
        printf("\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
                                "Input what you want?",
                                "1)Enter score",
                                "2)Seek student by ID",
                                "3)Seek student by NAME",
                                "4)Student Table",
                                "5)Save the Data",
                                "6)Delete the Data",
                                "0)Exit the program");
        scanf("%d",&choies);
                switch(choies)
                {
                        case 1:fun_1(students);break;
                        case 2:fun_2(students);break;
                                                case 3:sByName(students);break;
                        case 4:fun_3(students);break;
                                                case 5:saveFile(students,FILESRC);break;
                                                case 6:delFile(students,FILESRC);break;
                }
        }

        return 0;
}

int cmp(const void *student1,const void *student2)
{
        return (*(const student_t **)student2) -> total
                        - (*(const student_t **)student1) -> total;
}

int bsort(student_t *students)
{
        student_t **tmp;
        int num = 0;
        int total = 0;

        while(students[num].name[0] != '\0')
        {
                students[num].total = students[num].calculus
                                    + students[num].computer;
                tmp[num] = &students[num];
                num++;
        }
        total = num;

        qsort(tmp,total,sizeof(student_t *),cmp);

        for(num=0;num<total;num++)
                tmp[num] -> rank = num + 1;
        return 0;
}


int fun_1(student_t *students)
{
        int num=0;

        while(1)
        {
                while(students[num].name[0] != '\0')
                        num++;
                printf("\nPlease input student NAME: or 0 to MENU");
                scanf("%s",students[num].name);
                if(students[num].name[0] == '0')
                {
                        students[num].name[0] = '\0';
                        break;
                }
                students[num].id = num + 1;
                printf("\nPlease input %s\'s CACULUS SCORE:",students[num].name);

                scanf("%d",&students[num].calculus);
                printf("\nPlease input %s\'s COMPUTER SCORE:",students[num].name);
                scanf("%d",&students[num].computer);
        }
                bsort(students);
        return 0;
}

int fun_2(const student_t *students)
{
        int num = 0;

        while(1)
        {
                printf("\nPlease enter student ID: or 0 to MENU");
                scanf("%d",&num);
                if(!num)break;

                num--;
                printf("ID\tNAME\tCACU\tCOMP\tTOTAL\tRANK\n");
                printf("%d\t%s\t%d\t%d\t%d\t%d\n",
                        students[num].id,
                        students[num].name,
                        students[num].calculus,
                        students[num].computer,
                        students[num].total,
                        students[num].rank);
        }

        return 0;
}

int fun_3(const student_t *students)
{
        int num = 0;

        printf("ID\tNAME\tCACU\tCOMP\tTOTAL\tRANK\n");
        while(students[num].name[0] != '\0')
        {
                printf("%d\t%s\t%d\t%d\t%d\t%d\n",
                        students[num].id,
                        students[num].name,
                        students[num].calculus,
                        students[num].computer,
                        students[num].total,
                        students[num].rank);
                num++;
        }
        return 0;
}

int saveFile(const student_t *students,char *src)
{
        FILE *ptrFile;
        int count = 0;

        if(!(ptrFile = fopen(src,"wb")))
        {
                printf("cannot open this file (wb):%s",src);
                return 0;
        }

        while(students[count].name[0] != '\0')
                fwrite(&students[count++],sizeof(student_t),1,ptrFile); //寫入學生資料


        fclose(ptrFile);

        return 0;
}

int loadFile(student_t *students,char *src)
{
        FILE *ptrFile;
        int count = 0;

        if(!(ptrFile = fopen(src,"rb")))
        {
                printf("cannot open this file (rb):%s",src);
                return 0;
        }

        while(!feof(ptrFile))   //讀入原有學生資料
        {
                fread(&students[count],sizeof(student_t),1,ptrFile);
                count++;
        }

        fclose(ptrFile);
        return 0;
}

int sByName(const student_t *students)
{
        int count;
        char name[NAME_LEN];
        int flag = 1;

        printf("\nPlaese input the NAME:");
        scanf("%s",name);
        while(name[0] != '0')
        {
                count = 0;
                while(students[count].name[0] != '\0')
                {
                        if(!strcmp(students[count].name,name))
                        {
                                printf("ID\tNAME\tCACU\tCOMP\tTOTAL\tRANK\n");
                                printf("%d\t%s\t%d\t%d\t%d\t%d\n",
                                                students[count].id,
                        students[count].name,
                        students[count].calculus,
                        students[count].computer,
                        students[count].total,
                        students[count].rank);
                                flag = 0;
                        }
                        count++;
                }

                if(flag)
                        printf("\ncannot find student %s",name);
                flag = 1;

                printf("\nPlaese input the NAME or 0 to EXIT:");
                scanf("%s",name);

        }

        return 0;
}
int delFile(student_t *students,char *src)
{
        FILE *ptrFile;
        int nMaxUnits = MAX_UNITS;

        if(!(ptrFile = fopen(src,"wb")))
        {
                printf("cannot open this file (wb):%s",src);
                return 0;
        }

        fclose(ptrFile);

        while(--nMaxUnits + 1)                                          //清空學生資料
                students[nMaxUnits].name[0] = '\0';
        return 0;
}

--
真的有人想看嗎@@?
應該我自己都不想~><~...
大叔~~~教教我妳的格調程式法啦~~~

--
這個世界的成分
不是原子
而是故事
因為原子的本身
也是故事

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