C语言-学生信息管理系统(代码)

1、X X 师 范 大 学 实 验 报 告课 程 C语言课程设计 任课老师 学 号 姓 名 院 系 _年_月至_年_月 注意事项1. 使用C语言，代码已在vs中运行过，可以运行（主要功能都能实现）2. 需求分析，前期设计都没写，请同学们自己完成3. 附带有 student.txt 文件，将其移动至 F:stu 文件夹中，运行程序时可直接选 6号指令，从中读取学生信息。如果没有该txt文件（可能会在上传过程中丢失），仍需在F盘下新建stu文件夹，各文件将保存于该文件夹中4. 按word格式输出尚未设计好，有兴趣可自己完成5. 按excel格式输出，完成后需自行调整相应列宽（拉宽），使内容美观6. 从

2、下一页开始，复制余下全文，粘贴即可运行#include<stdio.h>#define M 30 /班级总人数，暂定30，可修改#define N 3 /课程成绩门数，暂定3，可修改 int inputstu(struct student stu, int m, int n);void prinstu(struct student stu, int m, int n);int sortsno(struct student stu, int m);int sortage(struct student stu, int m);int sortmark(struct student st

3、u,int sm, int m, int n);void prinsort(struct student stu, int m, int n);int writefile(struct student stu, FILE *fp, int m, int n);int readfile(struct student stu, FILE *fp, int m, int n);int fprinword(struct student stu, FILE *fp, int m, int n);int fprinexcel(struct student stu, FILE *fp, int m, int

4、 n);int seachsno(struct student stu,long sno, int m,int n);int seachsname(struct student stu,char sname, int m, int n);int desno(struct student stu, long sno, int m);int desname(struct student stu, char sname, int m);int cutin(struct student stu, int m, int n); struct student int turn; long sno; cha

5、r sname20; char sgrade10; char sbirth10; int smarkN; void main() int i = 0; int con1 = 0; int con2 = 0; long sno; char sname20; FILE *fp = NULL; struct student stuM; for (i = 0; i < M; i+) stui.turn = -1; do printf("nn*n"); printf(" n * 学生信息管理系统 *nn"); printf(" * 请按提示输入相应

6、命令： *nn"); printf(" 1 键盘输入所有学生的基本信息n"); printf(" 2 屏幕输出所有学生的基本信息n"); printf(" 3 子菜单：按一定顺序对学生进行排序n"); printf(" 4 按顺序屏幕输出学生信息n"); printf(" 5 保存学生信息（二进制文件）n"); printf(" 6 从上次保存的二进制文件中读取学生信息n"); printf(" 7 子菜单：将学生信息保存为文本文档（人工阅读）n"

7、;); printf(" 8 子菜单：对单个学生的插入删除查询修改n"); printf(" -1 退出系统n"); scanf("%d", &con1); switch (con1) case 1: printf("n* 注意！ *n"); printf(" 继续进行输入会覆盖原数据！n"); printf(" 第一次使用本软件或需重新写信息请继续：n "); printf(" 1 继续n"); printf(" -1 返回n"

8、;); scanf("%d", &con2); if (con2 = 1) inputstu(stu, M, N); break; case 2:prinstu(stu, M, N); break; case 3: do printf("n*n"); printf(" 1 按学号顺序进行排序n"); printf(" 2 按年龄从小到大排序n"); printf(" 3 按总成绩由高到低排序n"); printf(" -1 返回上一级菜单n"); scanf(&quo

9、t;%d", &con2); switch (con2) case 1: sortsno(stu, M); con2 = 0; break; case 2: /sortage(stu, M); break; case 3: int smM; sortmark(stu, sm, M, N); break; case -1:break; default: printf("二级命令输入错误，请重试！n"); fflush(stdin); while (con2 != -1); break; case 4:prinsort(stu, M, N); break; c

10、ase 5:writefile(stu, fp, M, N); break; case 6:readfile(stu, fp, M, N); break; case 7: printf("n*n"); printf(" 1 将学生信息输出为txt文档，路径：F:stustudent.txtn"); printf(" 2 将学生信息输出为word文档， 路径：F:stustudent.doc n"); printf(" 3 将学生信息输出为excel文档， 路径：F:stustudent.xls n"); print

11、f(" -1 返回上一级菜单n"); scanf("%d", &con2); switch (con2) case 1: break; case 2: fprinword(stu, fp, M, N); break; case 3: fprinexcel(stu, fp, M, N); break; break; case 8: do printf("n*nn"); printf(" 1 按学号查询单个学生n"); printf(" 2 按姓名查询单个学生n"); printf(&quo

12、t; 3 按学号删除单个学生n"); printf(" 4 按姓名删除单个学生n"); printf(" 5 插入单个学生信息n"); printf("-1 返回主菜单n"); scanf("%d", &con2); switch (con2) case 1: printf("请输入单个学号：n"); scanf("%10ld", &sno); seachsno(stu, sno, M, N); break; case 2: printf("

13、;请输入单个学生姓名：n"); scanf("%20s",sname); seachsname(stu, sname, M, N); break; case 3: printf("请输入单个学号：n"); scanf("%10ld",&sno); desno(stu, sno, M); break; case 4: printf("请输入单个学生姓名：n"); scanf("%s", sname); desname(stu, sname, M); break; case 5:

14、cutin(stu, M, N); break; default: printf("二级指令错误，请重新输入！n"); break; while (con2 != -1); case -1:printf("感谢使用本系统！n"); break; default: printf("一级命令输入错误，请重试"); fflush(stdin); break; while (con1 != -1); /输入学生的基本信息int inputstu(struct student stu,int m,int n)int i = 0;int j =

15、0;printf("请按说明输入学生信息：n");while (i < m)printf("请输入第%d个学生的学号，姓名，班级，出生日期：n", i + 1);scanf("%10ld%20s%10s%10s", &stui.sno, &stui.sname, &stui.sgrade, &stui.sbirth);for (j = 0; j < n; j+)printf("请输入第%d个学生的第%d门成绩n",i+1,j+1);scanf("%d"

16、, &stui.smarkj);i+;return i;/屏幕输出学生信息void prinstu(struct student stu, int m, int n)int i = 0;int j = 0;printf("*n");printf("学生基本信息如下：n");printf(" 学号 姓名 班级 出生年月 成绩1 成绩2 成绩3n");while (i < m) if (stui.sno = 0)i+;continue;printf("%10ld %20s%10s %10s ", stui

17、.sno, stui.sname, stui.sgrade, stui.sbirth);for (j = 0; j < n; j+)printf(" %d ", stui.smarkj);printf("n");i+;/按学号顺序进行排序int sortsno(struct student stu,int m)int i = 0;int j = 0;int s;long snoM;for (i = 0; i < M; i+)snoi = stui.sno;for (i = 0; i < m; i+)for (j = i+1; j <

18、; m; j+)s = snoi;if (s >snoj)s = snoj;snoj = snoi;snoi = s;for (i = 0; i < m; i+)for (j = 0; j < m; j+)if (stuj.sno = snoi)stuj.turn = i;return i;/按年龄对学生进行排序；int sortage(struct student stu, int m)/按总成绩由高到低排序int sortmark(struct student stu,int sm, int m,int n)int i = 0;int j = 0;int s = 0;fo

19、r (i = 0; i < m; i+)smi = 0;for (i = 0; i < m; i+)for (j = 0; j < n; j+)smi = smi + stui.smarkj;for (i = 0; i < m; i+)for (j = i + 1; j < m; j+)s = smi;if (s <smj)s =j;sms = 0;stus.turn = i;return i;/按顺序屏幕输出void prinsort(struct student stu,int m,int n)int i = 0;int j = 0;int k = 0;

20、printf("n*n");printf("按排序，学生基本信息如下：n");printf(" 学号 姓名 班级 出生年月 成绩1 成绩2 成绩3n");while (k < m)if (stui.sno = 0)continue;for (i = 0; i < m; i+)if (stui.turn = k)printf("%10ld %20s%10s %10s ", stui.sno, stui.sname, stui.sgrade, stui.sbirth);for (j = 0; j <

21、n; j+)printf(" %d ", stui.smarkj);printf("n");k+;/写数据进二进制文件 int writefile(struct student stu,FILE *fp,int m,int n)int i = 1;fp = fopen("f:stustudent.txt", "wb");if (fp = NULL)printf("打开文件失败！n");exit(0);fwrite(&stu0,sizeof(struct student),m,fp);i

22、= fclose(fp);return i;/从二进制中读取学生信息int readfile(struct student stu, FILE *fp, int m, int n)int i = 1;fp = fopen("f:stustudent.txt", "rb");if (fp = NULL)printf("打开文件失败！n");exit(0);fread(&stu0, sizeof(struct student), m, fp);i = fclose(fp);return i;/将学生信息写入word文档，保存于 F

23、:stustudent.doc int fprinword(struct student stu, FILE *fp, int m, int n)int i = 0;int j = 0;fp = fopen("F:stustudent.doc","w");if (fp = NULL)printf("文件打开失败！");exit(0);while (i < m)if (stui.sno = 0);continue;fprintf(fp,"%10ld %20s%10s%10s", stui.sno, stui.s

24、name, stui.sgrade, stui.sbirth);for (j = 0; j < n; j+)fprintf(fp," %d ", stui.smarkj);printf("n");i+;fclose(fp);return i;/将学生信息写入excel文档，保存于 F:stustudent.xls int fprinexcel(struct student stu, FILE *fp, int m, int n)int i = 0;int j = 0;char t = 't'char lin20="成绩&q

25、uot;char str420;strcpy(str0, " 学号");strcpy(str1, " 姓名");strcpy(str2, " 班级");strcpy(str3, " 生日");fp = fopen("F:stustudent.xls", "w");if (fp = NULL)printf("文件打开失败！");exit(0);fprintf(fp, "%s%c%s%c%s%c%s", str0, t, str1, t,

26、str2, t, str3);for (i = 0; i < n; i+)fprintf(fp, "%c %s%d", t, lin, i+1);fprintf(fp, "n");i = 0;while (i < m)if (stui.sno = -1)continue;fprintf(fp, "%10ld%c%20s%c%10s%c%10s", stui.sno,t, stui.sname,t, stui.sgrade,t, stui.sbirth);for (j = 0; j < n; j+)fprintf(fp

27、, "%c%d", t,stui.smarkj);fprintf(fp,"n");i+;fclose(fp);return i;/按学号查询单个学生int seachsno(struct student stu,long sno,int m,int n)int i = 0;int j = 0;for (i = 0; i < m; i+)if (stui.sno = sno)printf("按学号查询到的学生基本信息如下：n");printf(" 学号 姓名 班级 出生年月 成绩1 成绩2 成绩3n");pri

28、ntf("%10ld %20s%10s %10s ", stui.sno, stui.sname, stui.sgrade, stui.sbirth);for (j = 0; j < n; j+)printf(" %d ", stui.smarkj);printf("n");break;return i;/按姓名查询单个学生int seachsname(struct student stu,char sname, int m, int n)int i = 0;int j = 0;int s = -1;for (i = 0; i < m; i+)s = strcmp(stui.sname, sname);if (s = 0)printf("按姓名查询到的学生基本信息如下：n");printf(" 学号 姓名 班级 出生年月 成绩1 成绩2 成绩3n")