教 师 工 作 量 管 理 系 统

#include <stdio.h> #include <stdlib.h> #include <conio.h> #include <string.h> #include <malloc.h> #define MAX_NAME 20 #define NULL 0 struct course { char course_name[MAX_NAME]; int class_num; int ch_per; int ex_per; struct course *next; }; struct teacher { char teacher_num[MAX_NAME]; char teacher_name[MAX_NAME]; struct teacher *next; struct course *chead; struct course *ctail; }; struct teacher *thead,*ttail,*found; //*********************************************************************** //主菜单 void menu() { system("cls"); printf("*************************************\n"); printf("* 1.输入教师信息 *\n"); printf("* 2.插入授课信息 *\n"); printf("* 3.工作量计算与显示 *\n"); printf("* 4.退出 *\n"); printf("*************************************\n"); printf("请输入要操作的序号:"); } int isExist(char number[]) //判断输入的教师号是否已经存在 { struct teacher *p; p=thead; while(p!=NULL && (strcmp(p->teacher_num,number)!=0)) p=p->next; found=p; if(p==NULL) return 0; else return 1; } //************************************************************************ //增加教师教学信息模块 void addIn() { struct teacher *p; struct course *pcourse; char teacher_num[MAX_NAME]; char teacher_name[MAX_NAME]; char course_name[MAX_NAME]; int class_num; int ch_per; int ex_per; while(1) { system("cls"); printf("****************************************************\n"); printf("* 输入教师的信息，以输入教师号为#结束输入 *\n"); printf("****************************************************\n"); printf("输入教师号:"); fflush(stdin); scanf("%s",teacher_num); if(isExist(teacher_num)) { printf("!!!该教师号已经存在，请重新输入。\n按任意键重新输入...\n"); getch(); } else { if(strcmp(teacher_num,"#")==0) { printf("**************************************************\n"); printf("输入结束。按任意键返回主菜单...\n"); getch(); return; } printf("输入教师姓名:");fflush(stdin);scanf("%s",teacher_name); printf("****************************************************\n"); printf("* 输入教师授课信息 *\n"); printf("****************************************************\n"); printf("输入课程名称:");fflush(stdin);scanf("%s",course_name); printf("输入班级数目:");fflush(stdin);scanf("%d",&class_num); printf("输入理论课时:");fflush(stdin);scanf("%d",&ch_per); printf("输入实验课时:");fflush(stdin);scanf("%d",&ex_per); pcourse=(struct course *)malloc(sizeof(struct course)); strcpy(pcourse->course_name,course_name); pcourse->class_num=class_num; pcourse->ch_per=ch_per; pcourse->ex_per=ex_per; pcourse->next=NULL; p=(struct teacher *)malloc(sizeof(struct teacher)); strcpy(p->teacher_num,teacher_num); strcpy(p->teacher_name,teacher_name); p->chead=pcourse; p->ctail=pcourse; if(thead==NULL) { thead=p; ttail=p; } else { ttail->next=p; ttail=p; } ttail->next=NULL; } } } //************************************************************************ //插入教师授课信息模块 void addCourseInfo() { struct course *pcourse; char teacher_num[MAX_NAME]; char course_name[MAX_NAME]; int class_num; int ch_per; int ex_per; system("cls"); if(thead==NULL) { printf("****************************************************\n"); printf("* 当前没有可用的教师信息,按任意键返回主菜单... *\n"); printf("****************************************************\n"); getch(); return; } while(1) { system("cls"); printf("输入教师号:");fflush(stdin);scanf("%s",teacher_num); if(isExist(teacher_num)) break; else { printf("!!!该教师号不存在,请重新输入.\n按任意键重新输入...\n"); getch(); } } printf("****************************************************\n"); printf("* 输入教师授课信息 *\n"); printf("****************************************************\n"); printf("输入课程名称:");fflush(stdin);scanf("%s",course_name); printf("输入班级数目:");fflush(stdin);scanf("%d",&class_num); printf("输入理论课时:");fflush(stdin);scanf("%d",&ch_per); printf("输入实验课时:");fflush(stdin);scanf("%d",&ex_per); pcourse=(struct course *)malloc(sizeof(struct course)); strcpy(pcourse->course_name,course_name); pcourse->class_num=class_num; pcourse->ch_per=ch_per; pcourse->ex_per=ex_per; pcourse->next=NULL; found->ctail->next=pcourse; found->ctail=pcourse; } //************************************************************************ //计算并显示 void calcu() { struct teacher *p; struct course *pcourse; float single_per=0.0; float total_per=0.0; system("cls"); if(thead==NULL) { printf("****************************************************\n"); printf("* 当前没有可用的教师信息,按任意键返回主菜单... *\n"); printf("****************************************************\n"); getch(); return; } p=thead; while(p!=NULL) { total_per=0.0; printf("----------------------------------------------------------------------\n"); printf("教师号:%s\n",p->teacher_num); printf("教师姓名:%s\n",p->teacher_name); printf("----------------------------------------------------------------------\n"); printf("课程名称 班级数目 理论课时 实验课时 单教学任务总课时\n"); printf("----------------------------------------------------------------------\n"); pcourse=p->chead; while(pcourse!=NULL) { single_per=0.0; if(pcourse->class_num==1) single_per=pcourse->ch_per+pcourse->ex_per; if(pcourse->class_num==2) single_per=1.5*(pcourse->ch_per+pcourse->ex_per); if(pcourse->class_num==3) single_per=2.0*(pcourse->ch_per+pcourse->ex_per); if(pcourse->class_num>=4) single_per=2.5*(pcourse->ch_per+pcourse->ex_per); printf("%-10s%-10d%-10d%-10d%-7.3f\n",pcourse->course_name,pcourse->class_num,pcourse->ch_per,pcourse->ex_per,single_per); total_per+=single_per; pcourse=pcourse->next; } printf("----------------------------------------------------------------------\n"); printf("一个学期总的教学工作量:%7.3f\n",total_per); printf("----------------------------------------------------------------------\n\n\n\n"); p=p->next; } printf("\t****************************************************\n"); printf("\t* 已经显示完毕,按任意键返回主菜单... *\n"); printf("\t****************************************************\n"); getch(); } //************************************************************************ //主函数 void main() { int order; while(1) { menu(); fflush(stdin); scanf("%d",&order); switch (order) { case 1:addIn();break; case 2:addCourseInfo();break; case 3:calcu();break; case 4:exit(0);break; default: printf("输入的序号有误，请检查后重新输入...\n"); getch(); break; } } }