C++学生成绩管理系统源代码

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1、...#include#include#include#include#includeclassPerson{public:charname[8];};classstudent:publicPerson//构建学生类{public:friendvoidManage(studentstud[]);friendvoidInput(studentstud[]);friendvoidStatistic(studentstud[]);friendvoidLook

2、up(studentstud[]);friendvoidModify(studentstud[]);friendvoidOutput(studentstud[]);friendvoidInsert(studentstud[]);friendvoidWrite(studentstud[],intn);friendintRead(studentstud[]);private:intnum;charname[8];charclass_0[20];floatc_program;floatenglish;floatmath;floataverage;intorde

3、r;}stud[100];classManage:publicstudent{};voidWrite(studentstud[],intn)//向文件中写入数据{fstreammyFile;myFile.open("score.txt",ios::out

4、ios::binary);if(!myFile){cout<<"score.txtcan'topen!"<

5、tud[i].class_0<<""<

6、ios::binary);if(!myFile){cout<<"score.txtcan't

7、open!"<>count;for(inti=0;i<=count;i++){myFile>>stud[i].class_0>>stud[i].num>>stud[i].name>>stud[i].c_program>>stud[i].english>>stud[i].math>>stud[i].average;}myFile.close();returncount;}voidInput(studentstud[])//---------------输入学生成绩

8、{system("cls");/*运行前清屏*/inti=0;intflag;charsign;cout<>>>>>>>请输入学生成绩<<<<<<<<"<>stud[i].class_0;loop:cout<<"学号:";cin>>stud[i].num;intc=0;while(c

9、学号已经存在!请重新输入!"<>stud[i].name;do{flag=0;cout<<"C++成绩:";cin>>stud[i].c_program;if(stud[i].c_program>100

10、

11、stud[i].c_program<1)cout<<"请输入1-100之间的数字!";elseflag=1;}while(flag==0);do{flag=0;cout<<"英语成绩:";cin>>stud[i].english;if(stud[i].english>100

12、

13、stu

14、d[i].english<1)cout<<"请输入1-100之间的数字!";