c语言课程设计学生学籍管理系统.doc

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1、#include#include#include#definestu30intmenu(void);voidreadchengji(longxuehao[],floatchengji[],intn);voidaversumofchengji(floatxuehao[],intn);voiddesortbychengji(longxuehao[],floatchengji[],intn);voidassortbyxuehao(longxuehao[],floatcheng

2、ji[],intn);voidsearchbyxuehao(longxuehao[],floatchengji[],intn);voidstatisticanalysis(floatchengji[],intn);voidprintchengji(longxuehao[],floatchengji[],intn);intmain(){charitemSelected;charmima[10];intn,j=0;floatchengji[stu];longxuehao[stu];charyaosi[]="6251";charc;

3、printf("ttt学生成绩管理系统");printf("请输入密码：");ago:j=0;while((c=getch())!=13){putchar('*');mima[j]=c;j++;}mima[j]='';getchar();if(strcmp(mima,yaosi)==0){gotoloop;}else{printf("密码错误，请重新输入：");printf("a");printf("a");printf("a");gotoago;}loop:{printf("输入学生人数n<%d：",st

4、u);shuru:{scanf("%d",&n);if(n>stu){printf("输入错误，请重新输入：");printf("a");printf("a");printf("a");gotoshuru;}}while(1)//当非零的时候//{itemSelected=menu();//显示菜单，并读取用户输入//switch(itemSelected){case1:readchengji(xuehao,chengji,n);break;case2:aversumofchengji(chengji,n);break;

5、case3:desortbychengji(xuehao,chengji,n);printf("成绩降序排列：学号t成绩");printchengji(xuehao,chengji,n);break;case4:assortbyxuehao(xuehao,chengji,n);printf("学号升序排列：学号t成绩");printchengji(xuehao,chengji,n);break;case5:searchbyxuehao(xuehao,chengji,n);break;case6:st

6、atisticanalysis(chengji,n);break;case7:printchengji(xuehao,chengji,n);break;case0:exit(0);printf("程序结束！");break;default:printf("输入错误！");break;}}}return0;}//函数功能：显示菜单并获得用户键盘输入的选项//intmenu(void){intitemSelected;printf("学生成绩的管理");printf("t1.学号成绩录入");printf("t2.

7、计算总分和平均分");printf("t3.根据成绩降序排列");printf("t4.按照学号升序排列");printf("t5.按学号查询");printf("t6.统计分析");printf("t7.列表记录");printf("t0.退出");printf("请输入你的选择：");scanf("%d",&itemSelected);returnitemSelected;}//输入n个学生的某门课成绩//voidreadchengji(longxuehao[],floatcheng

8、ji[],intn){inti;printf("输入学生学号，成绩：");for(i=0;i