c语言程序设计之学生成绩管理系统精华版

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1、//111.cpp:定义控制台应用程序的入口点。//#include"stdafx.h"#include#include#include#defineALs->s[i].kaoshi*0.7+Ls->s[i].pingshi*0.3#defineBLs->s[i].kaoshi1*0.7+Ls->s[i].pingshi1*0.3#defineMAX1000#includeBOOLSetConsoleColor(WORDwAttributes){HANDLEhConsole=GetStdHandle

2、(STD_OUTPUT_HANDLE);if(hConsole==INVALID_HANDLE_VALUE)returnFALSE;returnSetConsoleTextAttribute(hConsole,wAttributes);}//使用色彩typedefstruct{charname[20];intnum;intclasses;intage;charsex[10];intbianhao;charmingcheng[20];intxuefen;intkaoshi;intpingshi;intbianhao1;charmingcheng1[20];intxuefen1;i

3、ntkaoshi1;intpingshi1;}student;typedefstruct{students[MAX];intlength;}Lstudent;voidwelcome()/*界面函数*/{SetConsoleColor(FOREGROUND_RED);printf("◢▇▇▇▇▇▇▇▇▇▇▇▇◣");printf("▇欢迎进入成绩管理系统▇");printf("◥▇▇▇▇▇▇▇▇▇▇▇▇◤");printf("");SetConsoleColor(FOREGROUND_RED

4、FOREGROUND_GREEN

5、FOREGROUND_BLUE);pr

6、intf("◢▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇◣");printf("◢▇▇▇0.读取信息▇▇▇◣");printf("◢▇▇▇▇1.输入成绩▇▇▇▇◣");printf("◢▇▇▇▇▇2.输出成绩▇▇▇▇▇◣");printf("◢▇▇3.插入成绩▇▇◣");printf("◢▇▇▇4.删除成绩▇▇▇◣");printf("▇▇▇▇5.查找成绩▇▇▇▇");printf("▇▇▇▇6.修改成绩▇▇▇▇");printf("◥▇▇▇7.不及格名单▇▇▇◤");printf("◥▇▇8.平均成绩及排名▇▇◤");printf("◥▇▇▇▇9

7、.存储信息▇▇▇▇◤");printf("◥▇▇▇10.退出成绩管理系统▇▇▇◤");printf("◥▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇◤");}voidread(Lstudent*Ls,FILE*fp){system("cls");if((fp=fopen("scoresystem.txt","rt+"))==NULL){printf("无法打开此文件");printf("请按回车键返回主界面");getchar();}else{while(!feof(fp))putchar(getc(fp));printf("按回车键返回主界面");getchar();

8、getchar();}fclose(fp);}voidinput(Lstudent*Ls)/*输入学生的成绩*/{intn;inti;system("cls");printf("请输入学生数:");scanf("%d",&n);Ls->length=n;for(i=0;is[i].name);printf("学号:");scanf("%d",&Ls->s[i].num);printf("班级:");scanf("%d",&Ls->s[i].cla

9、sses);printf("年龄:");scanf("%d",&Ls->s[i].age);printf("性别:");scanf("%s",&Ls->s[i].sex);printf("课程编号:");scanf("%d",&Ls->s[i].bianhao);printf("课程名称:");scanf("%s",&Ls->s[i].mingcheng);printf("学分:");scanf("%d",&Ls->s[i].xuefen);printf("考试成绩:");scanf("%d