課程信息管理系統(tǒng)C語言程序

#include<stdio.h>#include<stdlib.h>#include<string.h>typedefstruct { charnum[15];charname[20];charcredit[10];charclas[20];charteacher[20]; }student;studentpe[80];intmenu_select() { charc; do{ system("cls");printf("+---------------------------+\n");printf("||\n");printf("|歡迎使用課程信息管理系統(tǒng)|\n");printf("||\n");printf("+---------------------------+\n"); printf("\t\t*****課程信息管理系統(tǒng)*****\n"); printf("\t\t┌───────┐\n"); printf("\t\t│1.增長記錄│\n"); printf("\t\t│2.顯示記錄│\n"); printf("\t\t│3.查詢記錄│\n"); printf("\t\t│4.修改記錄│\n"); printf("\t\t│5.刪除記錄│\n"); printf("\t\t│6.存儲記錄│\n"); printf("\t\t│0.退出程序│\n"); printf("\t\t└───────┘\n"); printf("\t\t請您選擇(0-6):"); c=getchar(); }while(c<'0'||c>'6'); return(c-'0'); }intInput(studentper[],intn){ inti=0; charsign,x[10]; while(sign!='n'&&sign!='N') { printf("\t課程編號:"); scanf("\t%s",per[n+i].num); printf("\t課程名稱:"); scanf("\t%s",per[n+i].name); printf("\t學(xué)分:"); scanf("\t%s",per[n+i].credit); printf("\t選修課號:"); scanf("\t%s",per[n+i].clas); printf("\t任課教師:"); scanf("\t%s",per[n+i].teacher); gets(x); printf("\n\t與否繼續(xù)添加?(Y/N)"); scanf("\t%c",&sign); i++; } return(n+i);}voidDisplay(studentper[],intn){ inti; printf("-------------------------------------------------------------------------------\n");/*格式*/ printf("課程編號課程名稱學(xué)分選修課號任課教師\n"); printf("-------------------------------------------------------------------------------\n"); for(i=1;i<n+1;i++) { printf("%-12s%-12s%-15s%-18s%s\n",per[i-1].num,per[i-1].name,per[i-1].credit,per[i-1].clas,per[i-1].teacher); if(i>1&&i%10==0) { printf("\t-----------------------------------------\n"); printf("\t"); system("pause"); printf("\t-----------------------------------------\n"); } } printf("------------------------------------------------------------------------------\n"); system("pause");}intDelete_a_record(studentper[],intn)//刪除學(xué)生記錄函數(shù){ chars[20]; inti=0,j; printf("\t請輸入想刪除記錄中旳課程編號:"); scanf("%s",s); while(strcmp(per[i].num,s)!=0&&i<n)i++; if(i==n) { printf("\t系統(tǒng)中沒有此科目!\n"); return(n); } for(j=i;j<n-1;j++) { strcpy(per[j].num,per[j+1].num); strcpy(per[j].name,per[j+1].name); strcpy(per[j].credit,per[j+1].credit); strcpy(per[j].clas,per[j+1].clas); strcpy(per[j].teacher,per[j+1].teacher); } printf("\t\t\t已經(jīng)成功刪除!\n"); return(n-1);}voidQuery_a_record(studentper[],intn)//查詢學(xué)生記錄{ intm; printf("\t\n請選擇查詢方式:\n");printf("\t┌─────----─┐\n");printf("\t│1------課程編號│\n");printf("\t│2------課程名稱│\n");printf("\t│3------返回│\n");printf("\t└───--─--──┘\n");printf("請選擇:");scanf("%d",&m);while(m!=1&&m!=2&&m!=3){ printf("輸入錯誤，請重新選擇:"); scanf("%d",&m); } if(m==1)//按課程編號查詢 { chars[20]; inti=0; printf("\t請輸入想查詢旳課程編號:"); scanf("\t%s",s); while(strcmp(per[i].num,s)!=0&&i<n)i++; if(i==n) { printf("\t系統(tǒng)中沒有這個科目!\n"); return; } printf("\t課程名稱:%s\n",per[i].name); printf("\t學(xué)分:%s\n",per[i].credit); printf("\t選修課號:%s\n",per[i].clas);printf("\t任課教師:%s\n",per[i].teacher); }; if(m==2)//按課程名稱查詢 { chars[20]; inti=0; printf("\t請輸入想查詢旳課程名稱:"); scanf("\t%s",s); while(strcmp(per[i].name,s)!=0&&i<n)i++; if(i==n) { printf("\t系統(tǒng)中沒有該科目!\n"); return; } printf("\t課程編號%s\n",per[i].num); printf("\t學(xué)分:%s\n",per[i].credit); printf("\t選修課號:%s\n",per[i].clas);printf("\t任課教師:%s\n",per[i].teacher); }; }voidChange(studentper[],intn)//修改課程記錄{ chars[20]; inti=0; printf("\t請輸入想修改旳課程信息管理系統(tǒng)中旳課程編號:"); scanf("%s",s); while(strcmp(per[i].num,s)!=0&&i<n)i++; if(i==n) { printf("\t系統(tǒng)中沒有該科目!\n"); return; } printf("\t課程編號:"); scanf("\t%s",per[i].num); printf("\t課程名稱:"); scanf("\t%s",per[i].name); printf("\t學(xué)分:"); scanf("\t%s",per[i].credit); printf("\t選修課號:"); scanf("\t%s",per[i].clas); printf("\t任課教師:"); scanf("\t%s",per[i].teacher); printf("\t修改成功！");}voidWritetoText(studentper[],intn){ inti=0; FILE*fp;//定義文獻(xiàn)指針 charfilenum[20];//定義文獻(xiàn)名 printf("\t保留到文獻(xiàn)\n");//輸入文獻(xiàn)名 printf("\t請輸入所保留旳文獻(xiàn)名:"); scanf("\t%s",filenum); if((fp=fopen(filenum,"w"))==NULL) { printf("\t無法打開文獻(xiàn)\n"); system("pause"); return; } fprintf(fp,"******************************************課程信息管理系統(tǒng)**********************************\n"); fprintf(fp,"課程編號課程名稱學(xué)分選修課號任課教師\n"); fprintf(fp,"------------------------------------------------------------------------------------------\n"); while(i<=n) { fprintf(fp,"%-10s%-10s%-15s%-18s%%s\n",per[i-1].num,per[i-1].name,per[i-1].credit,per[i-1].clas,per[i-1].teacher); i++; } fprintf(fp,"------------------------------------------------------------------------------------------\n"); fprintf(fp,"***************************************共有%d條記錄****************************************\n",n); fclose(fp);/*關(guān)閉文獻(xiàn)*/ printf("成功保留!!!\n");}intmain(){ intn=0; for(;;) { switch(menu_select()) { case1: printf("\n\t請增長記錄到系統(tǒng)\n"); n=Input(pe,n); break; case2: printf("\n\t\t\t課程信息管理系統(tǒng)登記表\n"); Display(pe,n); break; case5: printf("\n\t從系統(tǒng)中刪除記錄\n"); n=Delete_a_record(pe,n); printf("\t"); system("pause"); break; case3: printf("\n\t在系統(tǒng)中查找記錄\n"); Query_a_record(pe,n); printf("\t"); system("pause"); break; case4: printf("\n\t修改系統(tǒng)中旳記錄\n"); Change(pe,n); printf("\t"); system("pause"); break; case6: printf("\n\t保留功能\n"); WritetoText(pe,n); printf("\t"); system("pause"); break; case0: printf("\n\t\t謝謝您旳使用，歡迎下次再來!!再會!!\n"); printf("\n\t\t"); system("pause"); exit(0); } }return0;}#include<stdio.h>#include<string.h>structlink{ charcno[10],cname[10],cforecourse[10],cunitno[10],cunitname[10]; intia; structlink*next;};structlink*head;intmenu(){ intii; printf("pleasechooseanumber:\n"); printf("******************************************:\n"); printf("1:create:\n"); printf("2:search:\n"); printf("3:delete:\n"); printf("4:view:\n"); printf("5:quit:\n"); printf("******************************************:\n"); printf("\n"); printf("\n"); printf("\n"); printf("\n"); scanf("%d",&ii); returnii;}structlinkcreate(){ inticount,ij=1; structlink*p,*new; while(1) { if(icount) {printf("輸入頭結(jié)點"); } new=(structlink*)malloc(sizeof(structlink)); printf("inputthecourseno:\n"); scanf("%s",new->cno); printf("inputthecourse:\n"); scanf("%s",new->cname); printf("inputtheforecourse:\n"); scanf("%s",new->cforecourse); printf("inputthecoursegrade:\n"); scanf("%d",&new->ia); printf("inputtheunitno.grade:\n"); scanf("%s",new->cunitno); printf("inputtheunitname:\n"); scanf("%s",new->cunitname); new->next=NULL; if(icount) { head=new; p=new; printf("thefistaddsuccess:\n"); getchar(); getchar(); icount=0; } else { p->next=new; printf("\n"); p=p->next; printf("addsuccess:\n"); printf("\n"); getchar(); } printf("input0toendinput:\n"); scanf("%d",&ij); if(ij==0) { break; } } }structlinksearch(){ structlink*p;charckeyname[10]; p=head; printf("pleaseinputthenameyouwanttoview:\n"); scanf("%s",ckeyname); while(strcmp(ckeyname,p->cname)!=0&&p->next!=NULL) { p=p->next; } if(p->next==NULL) { printf("nothisposition:\n"); } else { printf("foundit:\n"); printf("%s,%s,%s,%d,%s,%s",p->cno,p->cname,p->cforecourse,p->ia,p->cunitno,p->cunitname); }}structlinkdelete(){ structlink*p,*q,*r;charckeyname[10]; r=head; p=r->next; q=p->next; printf("pleaseinputthenameyouwanttodel:\n"); scanf("%s",ckeyname); while(strcmp(ckeyname,p->cname)!=0&&r->next!=NULL) { r=r->next; p=p->next; q=q->next; } if(r->next==NULL) { printf("nothisposition:\n"); } else { printf("foundit:\n"); printf("%s,%s,%s,%d,%s,%s",p->cno,p->cname,p->cforecourse,p->ia,p->cunitno,p->cunitname); r->next=p->next; printf("deletesuccess:\n"); getchar(); getchar(); } }voidoutput(){ structlink*p,*q; p=head; p=p->next; q=head; if(q->next==NULL) { printf("norecord:\n"); } else { while(p->next) { printf("%s,%s,%s,%d,%s,%s",p->cno,p->cname,p->cforecourse,p->ia,p->cunitno,p->cunitname); printf("\n"); p=p->next; } printf("%s,%s,%s,%d,%s,%s",p->cno,p->cname,p->cforecourse,p->ia,p->cunitno,p->cunitname); }}voidquit(){ exit(0);}voidmain(){ intia=1; head=NULL; while(ia!=5) { ia=menu(); switch(ia) { case1:create();break; case2:search();break; case3:delete();break; case4:output();break; case5:quit();break; default:printf("inputwrong:\n"); } }}#include<stdio.h>#include<stdlib.h>#include<string.h>typedefstruct { charnum[15];charname[20];charcredit[10];charclas[20];charteacher[20]; }student;studentpe[80];intmenu_select() { charc; do{ system("cls");printf("\n");printf("\n");printf("歡迎使用課程信息管理系統(tǒng)\n");printf("\n");printf("\n"); printf("課程信息管理系統(tǒng)\n"); printf("\n"); printf("1.增長記錄\n"); printf("2.顯示記錄\n"); printf("3.查詢記錄\n"); printf("4.修改記錄\n"); printf("5.刪除記錄\n"); printf("6.存儲記錄\n"); printf("0.退出程序\n"); printf("\n"); printf("\t\t請您選擇(0-6):"); c=getchar(); }while(c<'0'||c>'6'); return(c-'0'); }intInput(studentper[],intn){ inti=0; charsign,x[10]; while(sign!='n'&&sign!='N') { printf("\t課程編號:"); scanf("\t%s",per[n+i].num); printf("\t課程名稱:"); scanf("\t%s",per[n+i].name); printf("\t學(xué)分:"); scanf("\t%s",per[n+i].credit); printf("\t選修課號:"); scanf("\t%s",per[n+i].clas); printf("\t任課教師:"); scanf("\t%s",per[n+i].teacher); gets(x); printf("\n\t與否繼續(xù)添加?(Y/N)"); scanf("\t%c",&sign); i++; } return(n+i);}voidDisplay(studentper[],intn){ inti; printf("-------------------------------------------------------------------------------\n");/*格式*/ printf("課程編號課程名稱學(xué)分選修課號任課教師\n"); printf("-------------------------------------------------------------------------------\n"); for(i=1;i<n+1;i++) { printf("%-12s%-12s%-15s%-18s%s\n",per[i-1].num,per[i-1].name,per[i-1].credit,per[i-1].clas,per[i-1].teacher); if(i>1&&i%10==0) { printf("\t-----------------------------------------\n"); printf("\t"); system("pause"); printf("\t-----------------------------------------\n"); } } printf("------------------------------------------------------------------------------\n"); system("pause");}intDelete_a_record(studentper[],intn)//刪除學(xué)生記錄函數(shù){ chars[20]; inti=0,j; printf("\t請輸入想刪除記錄中旳課程編號:"); scanf("%s",s); while(strcmp(per[i].num,s)!=0&&i<n)i++; if(i==n) { printf("\t系統(tǒng)中沒有此科目!\n"); return(n); } for(j=i;j<n-1;j++) { strcpy(per[j].num,per[j+1].num); strcpy(per[j].name,per[j+1].name); strcpy(per[j].credit,per[j+1].credit); strcpy(per[j].clas,per[j+1].clas); strcpy(per[j].teacher,per[j+1].teacher); } printf("\t\t\t已經(jīng)成功刪除!\n"); return(n-1);}voidQuery_a_record(studentper[],intn)//查詢學(xué)生記錄{ intm; printf("\t\n請選擇查詢方式:\n");printf("\\n");printf("1------課程編號\n");printf("2------課程名稱\n");printf("3------返回\n");printf("\n");printf("請選擇:");scanf("%d",&m);while(m!=1&&m!=2&&m!=3){ printf("輸入錯誤，請重新選擇:"); scanf("%d",&m); } if(m==1)//按課程編號查詢 { chars[20]; inti=0; printf("\t請輸入想查詢旳課程編號:"); scanf("\t%s",s); while(strcmp(per[i].num,s)!=0&&i<n)i++; if(i==n) { printf("\t系統(tǒng)中沒有這個科目!\n"); return; } printf("\t課程名稱:%s\n",per[i].name); printf("\t學(xué)分:%s\n",per[i].credit); printf("\t選修課號:%s\n",per[i].clas);printf("\t任課教師:%s\n",per[i].teacher); }; if(m==2)//按課程名稱查詢 { chars[20]; inti=0; printf("\t請輸入想查詢旳課程名稱:"); scanf("\t%s",s); while(strcmp(per[i].name,s)!=0&&i<n)i++; if(i==n) { printf("\t系統(tǒng)中沒有該科目!\n"); return; } printf("\t課程編號%s\n",per[i].num); printf("\t學(xué)分:%s\n",per[i].credit); printf("\t選修課號:%s\n",per[i].clas);printf("\t任課教師:%s\n",per[i].teacher); }; }voidChange(studentper[],intn)//修改課程記錄{ chars[20]; inti=0; printf("\t請輸入想修改旳課程信息管理系統(tǒng)中旳課程編號:"); scanf("%s",s); while(strcmp(per[i].num,s)!=0&&i<n)i++; if(i==n) { printf("\t系統(tǒng)中沒有該科目!\n"); return; } printf("\t課程編號:"); scanf("\t%s",per[i].num); printf("\t課程名稱:"); scanf("\t%s",per[i].name); printf("\t學(xué)分:"); scanf("\t%s",per[i].credit); printf("\t選修課號:"); scanf("\t%s",per[i].clas); printf("\t任課教師:"); scanf("\t%s",per[i].teacher); printf("\t修改成功！");}voidWritetoText(studentper[],intn){ inti=0; FILE*fp;//定義文獻(xiàn)指針 charfilenum[20];//定義文獻(xiàn)名 printf("\t保留到文獻(xiàn)\n");//輸入文獻(xiàn)名 printf("\t請輸入所保留旳文獻(xiàn)名:"); scanf("\t%s",filenum); if((fp=fopen(filenum,"w"))==NULL) { printf("\t無法打開文獻(xiàn)\n"); system("pause