简单学生信息管理系统C++范文.docx

简单学生信息管理系统C++范文

第一篇：简单学生信息管理系统C++范文#include#includeusingnamespacestd;inti=0;voidlayout(){coutcoutcoutcoutcoutcoutcoutcoutcout}classstudent{private:intnum;stringname;doublescore1,score2;public:doublec;intbanji;stringsex;student(){}voidset_student(intbj,intn,stringnam,strings,doubleles1,doubleles2){banji=bj;num=n;name=nam;sex=s;score1=les1;score2=les2;}intget_score1(){returnscore1;}intget_score2(){returnscore2;}intget_num(){returnnum;}voidshow(){c=(score1+score2)/2;cout}}stu[20];voidshow_1(){cout}//学生信息输入//voidINPUT(){intj=0;intx;do{intbanji;intnum;stringname;stringsex;doublescore1,score2;coutcoutcin>>banji>>num>>name>>sex>>score1>>score2;stu[i].set_student(banji,num,name,sex,score1,score2);i++;coutcin>>x;}while(x==0);show_1();for(j=0;j{stu[j].show();}}//计算平均分并排序//voidPaixu(){studentstu1;for(p=0;p{k=p;for(j=p+1;jif(stu[j].c{k=j;stu1=stu[k];stu[k]=stu[p];stu[p]=stu1;}}show_1();for(j=0;j{stu[j].show();}}//统计学科平均分//voidxueke(){doubleq1;doublesum1;intp1;for(p1=0;p1{sum1=sum1+stu[p1].get_score1();}q1=sum1/i;coutdoubleq2;doublesum2;intp2;for(p2=0;p2{sum2=sum2+stu[p2].get_score2();}q2=sum2/i;cout}//统计班级平均分//voidbanji()doubleq1,q2;doublesum1,sum2;intp,m;m=0;sum1=0;sum2=0;for(p=0;p{a[p]=stu[p].banji;}for(m=0;m{intt=1;sum1=stu[m].get_score1();sum2=stu[m].get_score2();for(p=m+1;p{if((a[m]==a[p])&&a[p]!=0){sum1=sum1+stu[p].get_score1();sum2=sum2+stu[p].get_score2();a[p]=0;t++;}}if(a[m]!=0){q1=sum1/t;q2=sum2/t;coutcout}}}//按学号查询学生信息//voidchaxun(){intx;coutcin>>x;intp;for(p=0;p{if(x==stu[p].get_num()){show_1();stu[p].show();}}}//按学号修改学生信息//voidxiugai(){intj;intx;coutcin>>x;intp;for(p=0;p{if(x==stu[p].get_num()){intbanji;intnum;stringname;stringsex;doublescore1,score2;coutcoutcin>>banji>>num>>name>>sex>>score1>>score2;stu[p].set_student(banji,num,name,sex,score1,score2);show_1();for(j=0;j{stu[j].show();}}}}intmain(){layout();intflag;intn;for(n=0;n{cin>>flag;switch(flag){case0:coutcoutcoutcoutINPUT();break;case1:Paixu();break;case2:xueke();break;case3:banji();break;case4:chaxun();br