学生选修课程系统设计.doc

#include #includestruct courseint num;char name15;char xingzhi10;int time;int ttime;int etime;int mark;int term;struct studentint snum;int cnum;/*insert*/void insert() void menu(); FILE *fp; struct course c;if(fp=fopen(course.txt,a+)=NULL) printf(cannot open filen); printf(nt请输入课程信息 :n); printf(t输入课程编号，课程名称，课程性质，总学时，授课时间，实验或上机学时，开课学期:n);scanf(%d %s %s %d %d %d %d %d,&c.num,&,&c.xingzhi,&c.time,&c.ttime,&c. etime,&c.mark,&c.term); fprintf(fp,%d %s %s %d %d %d %d %d,c.num,,c.xingzhi,c.time,c.ttime,c.etime,c.mark,c.term);fclose(fp);menu();/*browse liu_lan*/void browser()void menu();FILE *fp;struct course c;if(fp=fopen(course.txt,r)=NULL)printf(nCannot open course!n);for(;!feof(fp);)fscanf(fp,%d%s%s%d%d%d%d%d,&c.num,&,&c.xingzhi,&c.time,&c.ttime,&c.etime,&c.mark,&c.term); printf(%d %s %s %d %d %d %d %d,c.num,,c.xingzhi,c.time,c.ttime,c.etime,c.mark,c.term);fclose(fp);menu();/*search*/void search()void menu();FILE *fp;struct course c;int score;printf(ninput mark your wantto search:);scanf(%d,&score);if(fp=fopen(course.txt,r)=NULL)printf(nCannot open course!n);for(;!feof(fp);)fscanf(fp,%d %s %s %d %d %d %d %d,&c.num,&,&c.xingzhi,&c.time,&c.ttime,&c.etime,&c.mark,&c.term); if(c.mark=score)printf(%d %s %s %d %d %d %d %d,c.num,,c.xingzhi,c.time,c.ttime,c.etime,c.mark,c.term);fclose(fp);menu();/*tong ji xuan ke ren shu*/void xuanke_information()void menu();int total=0;FILE *fp;struct student c;int num;printf(ninput course -number your wantto search:); scanf(%d,&num);if(fp=fopen(student.txt,r)=NULL) printf(nCannot open student!n);for(;!feof(fp);)fscanf(fp,%d%d,&c.snum,&um); if(um=num) total+;printf(student_num=%d,course_num=%d,c.snum,um);fclose(fp);printf(n The number choose course_num %d is %d!,num,total);menu();/*xuanke*/void xuan_ke()void menu();int snum,cnum;FILE *fp;printf(nPlease input your student_number and course number you want to choose:);scanf(%d%d,&snum,&cnum);if(fp=fopen(student.txt,a+)=NULL)printf(nCannot open student!n);fprintf(fp,%d %d,snum,cnum);fclose(fp);menu();void menu() int n,w=0;printf(ntt 请输入一个数字 0 TO 5!); printf(nnnt*MENU*);printf(ntt 1 - 插入课程信息); printf(ntt 2 - 浏览课程信息); printf(ntt 3 - 查找选课信息); printf(ntt 4 - 统计选课情况);printf(ntt 5 - 进行选课 ); printf(ntt 0 - 退出系统); printf(nnnt*); printf(nnnnnntt请选择数字:); scanf(%d,&n);doif(n5|n0)printf(n错误! 请重新输入!);scanf(%d,&n);else w=1;while(w=0);switch(n)case 1:insert();break;case