c語言學(xué)生成績管理系統(tǒng)(鏈表版).docx

#include #include #include #include #include #include #define YES 1#define NO 0typedef structint num;float math_score;float engl_score;float chin_score;float phy_score;float chem_score;double aver_score;double sum_score;char sex;StudentDate;/學(xué)生基本信息typedef struct studentchar name20;/學(xué)生姓名StudentDate one;/學(xué)生其他信息int rank;/成績排名struct student *next;Student, *List;Student *startCheck(void);/開始檢查Student *createListHead(void);/創(chuàng)建鏈表的頭void menu(void);/主菜單void sortList(Student *pHead);/排序鏈表void readListWithFile(Student *pHead, char *file_name);/從文件中讀取數(shù)據(jù)，并保存在鏈表中void sorttList(Student *pHead);/排序鏈表int userChioce(Student *pHead);/用戶選擇int sortMenu(void);/打印選擇菜單void passwordCheck(void);/密碼檢測void correctWord(void);/修改密碼void addStudentInfo(Student *pHead);/向鏈表的末尾添加數(shù)據(jù)int scanMenu(void);/瀏覽菜單void findStudentInfo(Student *pHead);/查找學(xué)生信息void delStudentInfo(Student *pHead);/刪除某一個學(xué)生信息void alterStudentInfo(Student *pHead);/修改學(xué)生信息void saveList(Student *pHead);/將鏈表保存在文件里void printList(Student *pHead);/打印鏈表void statisStudentInfo(Student *pHead);/查看學(xué)生信息int statisMenu(void);/查看菜單void gotoxy(int x, int y);/改變光標位置函數(shù)void inputData(Student *pHead, Student *node);/輸入信息，并檢測是否合法int main(void)Student *pHead;HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);/得到窗口句柄SMALL_RECT rc = 0, 0, 94 - 1, 30 - 1 ; /Y位置,X位置,寬,高SetConsoleWindowInfo(hOut, true, &rc);/ 重置窗口位置和大小system(color 5B);/設(shè)置控制臺顏色pHead = startCheck();/讀取信息while (1)if (9 = userChioce(pHead) /按9時退出系統(tǒng)break;return 0;void menu(void)system(CLS);/清屏printf(nnnttttn);printf(tttt 學(xué)生成績統(tǒng)計系統(tǒng) n);printf(ttttn);printf(tttt 1 增加學(xué)生記錄 n);printf(ttttn);printf(tttt 2 刪除學(xué)生記錄 n);printf(ttttn);printf(tttt 3 修改學(xué)生記錄 n);printf(ttttn);printf(tttt 4 查找學(xué)生信息 n);printf(ttttn);printf(tttt 5 統(tǒng)計學(xué)生成績 n);printf(ttttn);printf(tttt 6 查看學(xué)生成績 n);printf(ttttn);printf(tttt 7 修改登陸密碼 n);printf(ttttn);printf(tttt 8 關(guān)于 n);printf(ttttn);printf(tttt 9 退出系統(tǒng) n);printf(ttttn);void gotoxy(int x, int y)/x為列坐標,y為行坐標COORD pos = x, y ;HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);SetConsoleCursorPosition(hOut, pos);Student *startCheck(void)Student *pHead;FILE *fp1;char password20 = 123456;int i;if (fp1 = fopen(password.dat, rb) = NULL)/若密碼文件不存在，新建密碼文件fp1 = fopen(password.dat, wb);fwrite(password, 20, 1, fp1);fclose(fp1);printf(密碼初始化完成?。J密碼為：123456）);passwordCheck();elsepasswordCheck();/讀條system(CLS);system(title 學(xué)生成績統(tǒng)計系統(tǒng)-載入中);/將標題欄命名為“學(xué)生成績統(tǒng)計系統(tǒng)”printf(nnttt歡迎進入本系統(tǒng)！正在載入.);printf(nnnntttn);printf(ttt n);printf(tttn);gotoxy(26, 7);for ( i = 0; i next = NULL;return pHead;void readListWithFile(Student *pHead, char *file_name)FILE *fp;Student *p1, *p2;int count, rank = 0;StudentDate dat;char stu_name20;fp = fopen(file_name, r);if (fp = NULL)fp = fopen(file_name, w);fclose(fp);return;fseek(fp, 0L, 2);count = ftell(fp);p1 = pHead;fp = fopen(file_name, r);while (!feof(fp)p2 = (List)malloc(sizeof(Student);fscanf(fp, %d%s %c%f%f%f%f%fn, &p2-one.num, p2-name, &p2-one.sex, &p2-one.chin_score,&p2-one.math_score, &p2-one.engl_score, &p2-one.chem_score, &p2-one.phy_score);p2-one.sum_score = (double)(p2-one.chin_score + p2-one.chin_score + p2-one.engl_score +p2-one.chem_score + p2-one.phy_score);p2-one.aver_score = p2-one.sum_score / 5;p2-next = NULL;p1-next = p2;p1 = p2;if (ftell(fp) = count)break;/將鏈表排序，并初始化排名for (p1 = pHead-next; p1 != NULL; p1 = p1-next)for (p2 = p1-next; p2 != NULL; p2 = p2-next)if (p2-one.aver_score p1-one.aver_score)dat = p2-one;strcpy(stu_name, p2-name);p2-one = p1-one;strcpy(p2-name, p1-name);p1-one = dat;strcpy(p1-name, stu_name);p1-rank = +rank;fclose(fp);void sortList(Student *pHead)Student *p1, *p2;StudentDate dat;char stu_name20;int bum, count = 0, rank;system(title 學(xué)生成績統(tǒng)計系統(tǒng)-查看);/將標題欄命名為“學(xué)生成績統(tǒng)計系統(tǒng)”bum = sortMenu();if (bum = 1)/按平均分高低排序for (p1 = pHead-next; p1 != NULL; p1 = p1-next)for (p2 = p1-next; p2 != NULL; p2 = p2-next)if (p2-one.aver_score p1-one.aver_score)dat = p2-one;rank = p2-rank;strcpy(stu_name, p2-name);p2-one = p1-one;p2-rank = p1-rank;strcpy(p2-name, p1-name);p1-one = dat;p1-rank = rank;strcpy(p1-name, stu_name);elseif (bum = 2)/按學(xué)號高低排序for (p1 = pHead-next; p1 != NULL; p1 = p1-next)for (p2 = p1-next; p2 != NULL; p2 = p2-next)if (p2-one.num one.num)dat = p2-one;rank = p2-rank;strcpy(stu_name, p2-name);p2-one = p1-one;p2-rank = p1-rank;strcpy(p2-name, p1-name);p1-one = dat;p1-rank = rank;strcpy(p1-name, stu_name);elseif (bum = 3)return;elsesortList(pHead);printList(pHead);void printList(Student *pHead)int count = 0;pHead = pHead-next;system(CLS);printf(tttt計科6班成績！);printf(nn );printf(n 學(xué)號 姓 名 性別語 文數(shù) 學(xué)英 語化 學(xué)物 理平均分總 分名次n);while (pHead) printf( n);printf( %-5d %-6s %c %5.1f %5.1f %5.1f %5.1f %5.1f %5.1f %5.1f %-3dn, pHead-one.num,pHead-name, pHead-one.sex, pHead-one.chin_score, pHead-one.math_score,pHead-one.engl_score, pHead-one.chem_score, pHead-one.phy_score, pHead-one.aver_score, pHead-one.sum_score, pHead-rank);pHead = pHead-next;count+;printf( n);printf(ttt該班一共%d個人!, count);getch();int userChioce(Student *pHead)int bum;system(title 學(xué)生成績統(tǒng)計系統(tǒng)-主菜單);/將標題欄命名為“學(xué)生成績統(tǒng)計系統(tǒng)”menu();printf(請按鍵選擇: );bum = (int)(getch() - 0);switch (bum)case 1:addStudentInfo(pHead);break;case 2:delStudentInfo(pHead);break;case 3:alterStudentInfo(pHead);break;case 4:findStudentInfo(pHead);break;case 5:statisStudentInfo(pHead);break;case 9:break;case 6:sortList(pHead);break;case 7:correctWord();break;case 8:MessageBox(NULL, TEXT(特性：進入系統(tǒng)需輸入密碼，可以修改密碼；展示學(xué)生信息時，以表格的方式呈現(xiàn)；輸入學(xué)生信息時，不能輸入已存在的學(xué)號；以鏈表、文件為基礎(chǔ)；作者:HappyBeers), TEXT(關(guān)于), MB_OK);break; default:break;return bum;int sortMenu(void)int bum;system(CLS);printf(nnn);printf(ttn);printf(tt 以什么方式查詢 ？ n);printf(ttn);printf(tt 1 按成績的高低 n);printf(ttn);printf(tt 2 按學(xué)號的升次 n);printf(ttn);printf(tt 3 返回主菜單 n);printf(ttn);printf(請按鍵選擇：);bum = (int)(getch() - 0);system(CLS);return bum;void passwordCheck(void)char password20, inputword20;int i = 0, j = 0;char c = 0;FILE *fp = fopen(password.dat, rb);system(title 學(xué)生成績統(tǒng)計系統(tǒng)-密碼輸入);/將標題欄命名為“學(xué)生成績統(tǒng)計系統(tǒng)”fread(password, 20, 1, fp);for (i = 0; i 5; i+)j = 0;printf(nnntt你還有%d次機會輸入正確密碼: , 3-i);printf(nnnntttn);printf(ttt n);printf(tttn);gotoxy(26, 8);while (c = getch() != 13 & j 0)putchar(b);putchar( );putchar(b);j-;elseif (isprint(c)/isprint為檢測C是否為可打印的函數(shù) putchar(*);inputwordj = c;j+;inputwordj = 0;if (strcmp(inputword, password) = 0)return;elsesystem(CLS);printf(ttt密碼輸入錯誤);if (5 = i)system(CLS);printf(nnntt你已浪費所有機會！程序即將退出！);Sleep(2000);exit(0);fclose(fp);system(CLS);return;void correctWord(void)char password20;FILE *fp;int i = 0;char c;system(title 學(xué)生成績統(tǒng)計系統(tǒng)-修改密碼);/將標題欄命名為“學(xué)生成績統(tǒng)計系統(tǒng)”system(CLS);printf(nnnnttt請輸入新的密碼：);while (c = getch() != 13 & i 0)putchar(b);putchar( );putchar(b);i-;elseif (isprint(c)/isprint為檢測C是否為可打印的函數(shù) putchar(*);passwordi = c;i+;passwordi = 0;printf(nttt是否將密碼修改為? Y or N:, password);c = getch();if (c = Y | c = y)fp = fopen(password.dat, wb);fwrite(password, 20, 1, fp);fclose(fp);printf(nttt修改成功！n);elsereturn;getch();void addStudentInfo(Student *pHead)FILE *fp;Student *p1, *p2, *p3 = pHead;StudentDate dat;int judge = YES, rank = 0;char bum, stu_name20;system(title 學(xué)生成績統(tǒng)計系統(tǒng)-添加);/將標題欄命名為“學(xué)生成績統(tǒng)計系統(tǒng)”fp = fopen(stud.dat, a);while (pHead-next)pHead = pHead-next;while (judge)p1 = (List)malloc(sizeof(Student);inputData(p3, p1);p1-next = NULL;pHead-next = p1;pHead = p1;fprintf(fp, %d %s %c %.1f %.1f %.1f %.1f %.1fn, p1-one.num, p1-name, p1-one.sex, p1-one.chin_score,p1-one.math_score, p1-one.engl_score, p1-one.chem_score, p1-one.phy_score);printf(是否繼續(xù)添加？(Y/N);bum = getch();if (bum = n | bum = N)break;/并交換排名for (p1 = p3-next; p1 != NULL; p1 = p1-next)for (p2 = p1-next; p2 != NULL; p2 = p2-next)if (p2-one.aver_score p1-one.aver_score)dat = p2-one;strcpy(stu_name, p2-name);p2-one = p1-one;strcpy(p2-name, p1-name);p1-one = dat;strcpy(p1-name, stu_name);p1-rank = +rank;fclose(fp);int scanMenu(void)int bum;system(CLS);printf(nnn);printf(ttn);printf(tt 以什么方式查詢 ？ n);printf(ttn);printf(tt 1 按學(xué)生的學(xué)號 n);printf(ttn);printf(tt 2 按學(xué)生的姓名 n);printf(ttn);printf(tt 3 返回主菜單 n);printf(ttn);printf(請按鍵選擇：);bum = (int)(getch() - 0);system(CLS);return bum;void findStudentInfo(Student *pHead)int bum, count = 0;int num;char student_name20;pHead = pHead-next;system(title 學(xué)生成績統(tǒng)計系統(tǒng)-查找);/將標題欄命名為“學(xué)生成績統(tǒng)計系統(tǒng)”bum = scanMenu();if (bum = 1)printf(請輸入學(xué)生的學(xué)號：);scanf(%d, &num);while (pHead)if (pHead-one.num = num)if (count = 0)printf(nttt已經(jīng)查到！n);printf(nnnn );printf(n 學(xué)號 姓 名 性別語 文數(shù) 學(xué)英 語化 學(xué)物 理平均分總 分名次n);count = 1;printf( n);printf( %-5d %-6s %c %5.1f %5.1f %5.1f %5.1f %5.1f %5.1f %5.1f %-3dn, pHead-one.num,pHead-name, pHead-one.sex, pHead-one.chin_score, pHead-one.math_score,pHead-one.engl_score, pHead-one.chem_score, pHead-one.phy_score, pHead-one.aver_score, pHead-one.sum_score, pHead-rank);break;pHead = pHead-next;if (pHead = NULL)printf(nttt沒有該學(xué)生記錄！n);elseprintf( n);elseif (bum = 2)printf(請輸入學(xué)生姓名：);scanf(%s, student_name);while (pHead)if (strcmp(student_name, pHead-name) = 0)if (count = 0)printf(nttt已經(jīng)查到！n);printf(nnnn );printf(n 學(xué)號 姓 名 性別語 文數(shù) 學(xué)英 語化 學(xué)物 理平均分總 分名次n);count = 1;printf( n);printf( %-5d %-6s %c %5.1f %5.1f %5.1f %5.1f %5.1f %5.1f %5.1f %-3dn, pHead-one.num,pHead-name, pHead-one.sex, pHead-one.chin_score, pHead-one.math_score,pHead-one.engl_score, pHead-one.chem_score, pHead-one.phy_score, pHead-one.aver_score, pHead-one.sum_score, pHead-rank);pHead = pHead-next;if (count = 0)printf(nttt沒有該學(xué)生記錄！);elseprintf( n);elseif (bum = 3)return;elsefindStudentInfo(pHead);getch();void delStudentInfo(Student *pHead)Student *p1, *p2 = pHead;int bum;int num, count = 0;char student_name20, c;system(title 學(xué)生成績統(tǒng)計系統(tǒng)-刪除);/將標題欄命名為“學(xué)生成績統(tǒng)計系統(tǒng)”bum = scanMenu();if (bum = 1)p1 = pHead-next;printf(nttt請輸入要刪除學(xué)生的學(xué)號：);scanf(%d, &num);while (p1)if (p1-one.num = num)count = 1;printf(nttt刪除成功，刪除的學(xué)生學(xué)號為：%d, num);if (p1-next = NULL)pHead-next = NULL;break;elsepHead-next = p1-next;free(p1);p1 = pHead-next;elsepHead = pHead-next;p1 = pHead-next;elseif (bum = 2)p1 = pHead-next;printf(nttt請輸入要刪除的學(xué)生姓名：);scanf(%s, student_name);/統(tǒng)計一共有多少個學(xué)生while (p1)if (strcmp(p1-name, student_name) = 0)count+;p1 = p1-next;if (count 0)printf(nnnttt一共有%d個人的信息 全部刪除(Y) or 逐一刪除(N)?, count);/選擇全部刪除，還是逐一刪除c = getch();/全部刪除if (c = y | c = Y)p1 = pHead-next;while (p1)if (strcmp(p1-name, student_name) = 0)printf(nttt刪除成功，姓名為: %s, student_name);if (p1-next = NULL)pHead-next = NULL;break;elsepHead-next = p1-next;free(p1);p1 = pHead-next;elsepHead = pHead-next;p1 = pHead-next;else/逐一刪除p1 = pHead-next;while (p1)if (strcmp(p1-name,student_name) = 0)printf(n姓名:%s,學(xué)號:%d,性別:%c 是否刪除(y or n)?, p1-name, p1-one.num, p1-one.sex);c = getch();if (c = y| c = Y)if (p1-next = NULL)pHead-next = NULL;break;elsepHead-next = p1-next;free(p1);p1 = pHead-next;printf(成功！);elsepHead = pHead-next;p1 = pHead-next;elsepHead = pHead-next;p1 = pHead-next;elseif (bum = 3)return;elsedelStudentInfo(pHead);if (count = 0)printf(nttt沒有該學(xué)生信息！);elsesaveList(p2);getch();void saveList(Student *pHead)FILE *fp;fp = fopen(stud.dat, w+);pHead = pHead-next;while (pHead)fprintf(fp, %d %s %c %.1f %.1f %.1f %.1f %.1fn, pHead-one.num, pHead-name, pHead-one.sex, pHead-one.chin_score,pHead-one.math_score, pHead-one.engl_score, pHead-one.chem_score, pHead-one.phy_score);pHead = pHead-next;fclose(fp);void alterStudentInfo(Student *pHead)int bum, count = 0, j = 0;int num;char student_name20;Student *p1 = pHead-next;system(title 學(xué)生成績統(tǒng)計系統(tǒng)-修改);/將標題欄命名為“學(xué)生成績統(tǒng)計系統(tǒng)”bum = scanMenu();if (bum = 1)printf(nttt請輸入要修改學(xué)生的學(xué)號：);scanf(%d, &num);while (p1)j+;if (p1-one.