《学生成绩管理系统》c++源程序

C++程序设计源程序: 《学生成绩管理系统》#iiiclude<iostreain.h>#iiiclude<stnng.h>#iiiclude<process.h>#iiiclude<cstruig>//数组比较头文件#iiiclude<fstieam.h>//文件的输入输出#iiiclude<stdio.h>mttime=O;charname_[20];classCPerson//CPerson基类成员:IDNoNameAddrTel(public:charIDNo[30];charNaine[30];charAddr[30];charTel[30];);classCStudent:publicCPerson//——CStudent类―继承自CPerson成员:SmdNoMathEnglishAverage(public:charStudNo[30];doubleMath;doubleEnglish;doubleAverage;｝；classCClass//CClass类成员:CClassNameCStudent(private:charCClassName[30];CStudent*stu[50];public:CClassQ;〜CClass。；voidCreateClassQ;//voidOutClassNaine();//输出班级名字voidNewAStuQ;//1.创建学生信息voidchangeQ;//3.修改学生信息voiddel();〃4.删除学生信息voidwriteinQ;//文件写入voidwnteoutQ;〃文件读出voidwriteino();//文件另存为voidwiiteouto();〃打开其他文件voidfindO；〃6.查询学生信息)；cout«\t\t\t执行成功!«endl;HMsystem(pause);〃任意键继续HMsystem(cls);〃清除屏幕HHvoidback_no()HM);〃任意键继续system(pauseHH);system(cls〃清除屏幕voidtitle。//voidCClass::writemoQ//文件另存为system(cls);Hncout«---------学生信息管理程序HvoidCClass::writeiiiQ//---------------保存文件(ofstieamSaveFile(HmyH);SaveFile«CClassName«M\tM«time«endl;{SaveFile«stu[i]->IDNo«n\tM«stu[i]->Naine«H\tH«stu[i]->Addr«H\tH«stu[i].>Tel«,,\tH«stu[i]->StudNo«,^\t,^«stu[i]->Math«H\tH«stu[i]->English«,,\t"«stu[i]・>AveragevVendl;}Save();ofstieamSave(name_);Save«CClassName«,,\tH«tiine«endl;fbr(mtj=0J<time;j++){Savevvstu[J]・>IDNovv”\t"«stu|j]->Naiiie«H\tH«stu|j]->Addr«H\tM«stuU]->Tel«M\tH«stuU]->StudNo«,,\tH«stu|j]->Math«H\tnwstu[j]・>Englishvv”\t”«stu[j]->Average«endl;}Save.close();charchoice[30];

\n您现在的位置:\t主菜单ofstieamfop;ifstreainfip;cout«H文件己默认保存了!\t现在需要另存为?(Y/N),,«endl;ciii»choice;while(sticmp(choice「'Y”)==0||sticmp(choice「'y”)=0){cout«H请输入文件名称:\tn«endl;ciii»name_;sticat(name_,".txtH)；fop.open(naine_);fop«CClassNaine«,,\t,,«tmie«endl;fbr(inti=0;i<time;i++){fbpv<stu[i]・>n)No<v”\t”«stu[i]->Naine«H\tH«stu[i]->Addr«H\tM«stu[i]->Tel«M\tH«stu[i]->StudNo«M\tn«stu[i]->Math«H\tH«stu[i]->English«n\tH«stu[i]->Average«endl;}fip.close();cout«H另存为H«name_«n成功!H«endl;back_noQ;return;}wlule(sticmp(choice/,nn)==0||strcmp(choice/,Nn)==0){back_noQ;return;}wlule(sticmp(choice/,YH)!=0||sticnip(choice/y*)!=0){cout«H输入错误!n«endl;back_noQ;return;}voidCClass::writeout()//inti=0;charc[30];FILE*fp;if((fp=fbpen(Hmy，7，rH))==NULL)coutvv”cann'topentheexit(O);}fscaiif(fpj,%s%d,\c,&time);sticpy(CClassName,c);wlule(i<time){fscaiif(fpJ,%s%s%s%s%s%lf%lf%lf\stu[i]->IDNo,stu[i]->Name,stu[i]->Addi;&sni[i]->Tel,stu[i]->StudNo,&stu[i]->Math,&stu[i]->English,&stu[i]->Average);1++;}fclose(fp);/*关闭文件*7cout«H恭喜你!成功读取班级信息!\n”；}voidCClass::writeouto()//打开其他文件(int1=0;charc[30];FILE*fp;fstream_file;ofstieamfop;ifstreainfip;coutvv”请输入文件名称:\tH«endl;ciii»name_;sticat(naine_,”.txt”)；〃创建文件名ifstreainfin(name_);_(naine_jos::m);wliile(!_file){cout«name_vv”没有被创建4”；cout«M请输入文件名称:\t"«endl;ciii»name_;}if((fp=fbpen(name_/rH))=NULL){cout«Hcaiurtopenthefile\iiH;exit(0);}fscaiif(fpj,%s%d,\c,&time);sticpy(CClassName,c);fscaiif(fpj,%s%s%s%s%s%lf%lf%lf\stu国AEDNo’stuE.'Nam&stuUJ-AAddi.&sniUJoTeLstupl.AStudNo,&stu[i]->Math,&stu[i]->English,&stu[i]->Average);i++;}fclose(fp);/*关闭文件*7cout«H恭喜你!成功读取班级信息!\n”；}CClass::CClass()//(i=0;i<50;i++){stu[i]=newCStudentQ;}}CClass:>CClass()//(i=0;i<50;i++){deletestu[i];}}voidCClass::CreateClass()//创建班级(charchoice[30];char*c;charcname[30];cout«H学生信息管理程序"«endl;cout«Mlx创建班级H«endl«”2、读取班级信息“vvendlvv”3、退出程序"«endl;COUtVV,请选择:”;ciii»choice;O=0;O<1;O-H-){while(strcmp(choice,”1”)==0){system(HclsM);cout«"学生信息管理程序,'«endl;cout«"请输入班级名称二c=newchar[];cin»c;strcpy(CClassName,c);retuni;)while(sticmp(choice,n2H)==0)system(HclsM);title。；cout«H\nl.打开上次的文件,f«endl«M2.打开其他文件n«endl«M\n请选择二cin»cname;fbr(intk=0;k<1;k++){while(strcmp(cname/r1”)==0)(writeout();return;)while(strcmp(cname/2M)=0)(writeouto();return;)cout«M请在1〜2中选择二cin»cname;}}wlule(sticmp(choice/,0H)==0)exit(O);cout«H请在1〜2中选择:”;ciii»choice;}voidCClass::NewAStuQ//0.创建学生(cout«-'->输入学生信息\n”；coutvv“请输入身份证号码(18位):\t\t”；ciii»stu[time]->IDNo;//检验身份证位数wlule(stu[time]->IDNo[18]!='\0){cout«HDataEnor!\n请输入18位身份证号码:\t\t";ciii»stu[time]->IDNo;}cout«HiW输入姓名：\t\t”；cm»stu[time]->Name;COUtVV"请输入住址:cm»stu[tune]->Addi;COUtVV”请输入电话号码:\t\t”；cm»stu[tune]->Tel;coutvv”请输入学号(12位ciii»stu[tune]->StudNo;fbr(mto=0;o<10:o-H-)wliile(stu[time]->StudNo[12]!=,\0,)//检验学号位数{cout«MDataError!\n请输入12位学号:\t\t\t”;cin»sm[tmie]->StudNo;}for(inti=O;i<time;i-H-)//检验是否重复{if(strcmp(stu[i]->StudNo,stu[time]->StudNo)=0){cout«nDataEiror!\n学号重复:请重新输入An”;cin»stu[tHiie]->StudNo;}}}cout«H请输入数学成绩:cm»stu[tune]->Math;wlule(stu[time]->Math<0|stu[time]->Math>1){cout«nDataEnor?\ii请重新输入一个分数(0〜1):\t”；ciii»stu[time]->Math;}cout«H请输入英语成绩:\t\t”；ciii»stu[tune]->English;wlule(stu[time]->English<0|stu[time]->English>1){cout«nDataEnor?\ii请重新输入一个分数(0〜1):\t”；ciii»stu[time]->English;}stu[time]->Av-eiage=(stu[time]->Math+stu[time]->English)/2;back();voidCClass::OutClassNameQ//2.打印班级名称(intfenshu;chartemp[30];doubletemp_;change=O;change<tmie;change-H-){fenshu=chaiige;fbr(intj=changej<timeJ++)if(strcmp(stu[j]->StudNo,stu[fenshu]->StudNo)<0)fenshu=j;strcpy(temp,stu[fenshu]->Addr);strcpy(stu[fenshu]->Addr,stu[change]->Addr);strcpy(stu[change]->Addi;temp);/*地址*/strcpy(temp,stu[fenshu]->StudNo);strcpy(stu[fenshu]->StudNo,stu[chaiige]->StudNo);strcpy(stu[change]->StudNo,temp);/*身份证*/strcpy(temp,stu[fenshu]->Name);strcpy(stu[fenshu]->Name,stu[chaiige]->Name);strcpy(stu[change]->Naine,temp);/*姓名*/strcpy(temp,stu[fenshu]->Tel);strcpy(stu[fenshu]->TeLstu[chaiige]->Tel);strcpy(stu[change]->Tel,temp);/*电话*/strcpy(temp,stu[fenshu]->IDNo);strcpy(stu[fenshu]->IDNo,stu[change]^：-IDNo);strcpy(stu[change]->IDNo,temp);/*学号*/temp_=stu[fenshu]->Math;stu[fenshu]->Math=stu[change]->Matli;stu[change]->Math=temp_;/*数学*/temp_=stu[fenshu]->English;stu[fenshu]->English=stu[change]->English;stu[change]->English=temp_;/*英语*/temp_=stu[fenshu]->A\rerage;stu[fenshu]->Average=stu[change]->Average;stu[change]->Average=temp_;/*平均分*/}//cout«\n班级名称:,«CClassName«\t«人数:«tmie«endl«endl;H,,,nHHcout«"学号身份证号码姓名住址电话数学英语平均分«endl;H{cout«stu[i]->StudNo«Hn«stu[i]->IDNo«Mn«stu[i]->Naine«Hn«stu[i]->Addr«Mn«stu[i]->Tel«-\tM«stu[i]->Math«-\tM«stu[i]->English«-\tM«stu[i]->Average«endl;}back_iio。；voidCClass::change()//3.修改学生的信息(charstr[3O];inti.had=0;char*a;charx[30];cout«^请输入您要修改学生的学号/名字二ciii»str;foi(i=0;i<50;i++)if(strcmp(stu[i]->StudNo.str)=0|strcmp(stu[i]->Naine,sti)=O)had=l;cout«,,\tH«M身份证号码:,,«,,\t,,«stu[i]->IDNo«eiidlvv”\t”vv”姓名HHH«\t«stu[i]->Name«endlvv”\t”vv”住址HH,«stu[i]->Addr«endl«\fvv”\t”vv”电话HHH«\t«stu[i]->Tel«endlnM«"学号H«H\tH«stu[i]->StudNo«endl«\tVV"\t”VV”数学成绩H«H\tH«stu[i]->MathHHH«stu[i]->Enghsh,,«\t«\t"«"英语成绩H,H<<sni[i]->Average<<endl<<endl;VV”\t”VV”平均分<<^tMl>修改地址M«endl;cout«M2、修改电话号码H«endl;cout«cout«"3、修改数学成绩,,«endl;Hcout«4>修改英语成绩”vvendl;M0>返回”vvendl;cout«M请选择操作二cin»x;cout«fbr(intk=0;k<1;k++){while(strcmp(x,M1H)==0){COUtVV”请输入新的地址:”;a=newchar[];ciii»a;strcpy(stu[i]->Addr,a);back。;xeturn;)while(strcmp(x,M2H)==0){coutvv”请输入新的电话号码:”;cin»stu[i]->Tel;backQ;return;)while(strcmp(x,M3H)==0)coutvv，，请输入新的数学成绩二cin»stu[i]->Matli;while(stu[i]->Math>1|stu[i]-^-Math<0)cout«"请重新输入OTOO:”;cin»stu[i]・>Math;}stu[i]->Average=(stu[i]->Math+stu[i]->English)/2;backQ;return:)while(strcmp(x/,4H)==0)(cout«H请输入新的英语成绩:"；cin»stu[i]->English;while(stu[i]->English>1|stu[i]->English<0)(cout«"请重新输入0〜1:";cin»stu[i]・>English;}；stu[i]->Average=(stu[i]->Math+stu[i]->English)/2;backQ;return:)cout«M请在1〜4中选择二cin»x;}if(had==0)(cout«n对不起!没有查询到H«str«n的信息!H«endl;back_no();}voidCClass::delQ//4.删除学生的信息(charstr[30];inti,had=0;if(tiine!=0){coutvv”请输入您要删除的学号二cm»sti;for(i=0;i<50;i++)if(strcmp(stu[i]->StudNo,str)=0){had=l;cout«M第”vvi+i«”位学生:H«endl;cout«,,\f«M身份证号码:H«n\tH«stu[i]->IDNo«eiidlvv，，\t“vv”姓名：”vv*yvstu[i].>Namev<endlvv，，\t“vv”住址«"\r«stu[i]->Addr«endlvv，，\t”vv”电话：”vv*yvstu[i].>Telv<endlvv，，\t”vv”学号：”vv*”vvstu[i].>StudNov<endlw，，\t“vv”数学成绩：H«"\tH«stu[i]->Math«endlvv，，\t“vv”英语成绩：H«"\tH«stu[i]->English«endlvv，，\t”vv”平均分：”vv*yvstu[i].>Averagev<endl«endl;for(intj=ij<=tiine-lJ++){strcpy(stu[j]->IDNo,sni[j-rl]->IDNo);strcpy(stuIj]->Name,stu[j+l]->Name);strcpy(stuIj]->Addi;sniIj+l]->Adclr);strcpy(stu[j]->Tel,stu[j+l]->Tel);strcpy(stu[j]->StudNo,stu[j+l]->StudNo);stuU]->Math=stu|j+1]->Math;stu[j]->English=stu[j+1]->English;stuU]->Average=stu°+1]・>Average;}back();}iRhad==O)(cout«H对不起!没有查询到n«str«n的信息!”VVendl;back_no();}}}voidCClass::fiiid()//6.查询学生的信息(charstr[3O];coutvv”请输入您要查询学生的姓名/学号/身份证号码/电话号码:\t”;ciii»str;i=0;i<time;i++)if(sticnip(stu[i]->Name,sti)==0||sticmp(sni[i]->IDNo,str)==0||sticmp(sni[i]->StudNo,str)==0||strcmp(stu[i]->TeLstr)=O)cout«\n\t«身份证号码:«\t«stu[i]->IDNo«eiidlMHHnnHvv，，\t，，vv”姓HHH«\t«stu[i]->Name«endl名住址VV”\t”VV”电话学号VV”\t”VV”数学成绩«,,\t"«"英语成绩back_no();return;

H«H\tH«stu[i]->Addi«endlH«H\tH«stu[i]->Tel«endlH«H\tH«stu[i]->SmdNo«endlH«H\tH«stu[i]->MathH«H\tH«stu[i]->EnglishH<<,^tH<<sni[i]->Aveiage<<endl<<e