c大作业学生信息管理系统源代码

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1、学半信息管理系统源代码:#include#includertmcludeWmclude#includeffmcludestructstudent{charnum[30];charname[30];charcias(30];inttotal;student^next;intmaths;intChinese;intenglish;floataverage;//♦1(1)voidcreatelistfstudente&head)〃学

2、T成缩Zfl导入功能(川fd/(f)

3、8OI,numO(3OLnameO(3OLclasO[3O);intchineseOfmathsOrenglishO;student^s/p;ifstreaminstuf(,,student-$core.txt',llos::ln);if(!insluf){cerrvWfilecouldnotbeopen.M«endl;abort,;}instufgetline(t,80);while(instuf»numO»nameO»clasO»chineseO»mathsO»englishO){s=newst

4、udent;strcpy(s->num#numO);strcpy(s->namefnameO);strcpy(s->clasfclasO);s->chinese=chlneseO;s->maths=mathsO;s->english=englishO;s->total=s->chinese4-s->maths4-s->english;s->average=float(s->total)/3;if(head==NULL)head=s;elsep->next=s;P=s;p->next=NULL;instuf.closeO;//♦K2)voidshow

5、llstfstudent*head)intn=l;cout«M7-^姓名班级诰文数学英讲总分均分序号”；while(head){u«n«endl;cout«head->num«MM«head->name«,t,«head->clas«,t,«MM«head->chinese«,t,vvhead・>maths«、F«hE3d・>english«、t'vvhead・>total«、r«setprMision(3)vvhead・>a/erage«、tyn=n-rl；head=head->next;//♦2voidcharu(student*hea

6、d)〃吓：生成绩信恩插入功能(担衣兀部插入学牛成詁信息){studentes/p/q;intnJ;couV讥输入需婪【插入】的学住成绒信息的故应"；cin»n;cout«-m输入需插入的学生成绩侑息(旬人h)：M«endl；cout«M7-号姓名班级语文数学英语”《endl;p=head;while(p){q二P；p=p->next;}for(i=l;i<=n;i*-F){s=newstudent;cin»s->num»s->name»s->clas»s->chinese»s->maths»s->engllsh;s->total=s->chines

7、e>s->maths*s->english;s->average=float(s->total)/3;q->next=s;Q=s；Iq->next=NULL;//♦3〃学僅成绩f息删除功能voidshanchu(student*&head)student*p/q;chara{301;intnj,b=l;cout«-i?r输入需【删除】的学他成縊值息的数斥：”；cin»n;coui«”佶输入需耍删除的学朱的学号或姓名:M«endl;for(i=l;i<=n;k4){cin»a;if((strcmpfhead^num.aJssO)11(strcmp(h

8、ead->name/a)==O)){b=0;p=head;head=head->next;deletep;p=NULL;}else(p=head;while((p->next!=NULL)&&(strcmp(p->next->num,a)l=O)&&(strcmp(p・>next・>name,a)!=O)){p=p->next;}if(p->next!=NULL){b=0;q=p->next;p->next=q->next;deleteq;q二NULL;}}}if(b==l)cout«HAj此T；或『I丝的成-zviid；AlH«endl;//♦

9、4〃学生成绩借息的修改功能«修改：X生信息）voidchange(student*head)chara[30);intb=