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学生综合测评系统

C 语言课程设计报告

学院电子与信息学院

年级班别 08 通信本

学生姓名 XXX XXX

指导教师成绩

二 0 一一年六月

1 概述..................................................................................................................................................1

2 需求分析..........................................................................................................................................2

3 总体设计..........................................................................................................................................2

 1) 程序主界面设计............................................................................................................................2
4 程序设计..........................................................................................................................................5
 1）主界面程序设计..........................................................................................................................5
 （1）函数描述..................................................................................................................................5
输入参数：无.....................................................................................................................................5
输出参数：无.....................................................................................................................................5
 功 能：本系统可以存储学生的基本信息和各科成绩，并能计算考试成绩，综合测评成绩和
排名。.................................................................................................................................................5
 （2）函数程序..................................................................................................................................5
.............................................................................................................................................................5
int main().............................................................................................................................................5
{...........................................................................................................................................................5
 system("color 2e");.............................................................................................................................5
 printf("\n\n\n\t\t............欢迎使用学生综合管理系统............\n\n");...............................................5
 printf("\n\n\t\t");.................................................................................................................................5
 system("pause");.................................................................................................................................5
 menu(); //主菜单入口函数................................................................................................................5
 return 0 ;..............................................................................................................................................5
}...........................................................................................................................................................5
 2）学生信息处理子菜单..................................................................................................................5
 （1） 函数描述.................................................................................................................................5
函 数 名 ： info_menu()....................................................................................................................5
输入参数 ：无....................................................................................................................................5
输出参数 ：无....................................................................................................................................5
功 能 ：显示学生信息处理系统菜单..............................................................................................5
（2） 函数程序..................................................................................................................................5
 void info_menu() //学生信息菜单....................................................................................................6
{...........................................................................................................................................................6
 int choice;...........................................................................................................................................6
 while(1){.............................................................................................................................................6
 system("cls"); //清屏..........................................................................................................................6
 printf("\n\n\n\n\t\t☆☆☆☆☆学生信息处理系统☆☆☆☆☆\n\n");............................................6
 printf("\t\t\t● 1.输入学生信息\n");....................................................................................................6
 printf("\t\t\t● 2.修改学生信息\n");....................................................................................................6
 printf("\t\t\t● 3.删除学生信息\n");....................................................................................................6
 printf("\t\t\t● 4.浏览学生信息\n");....................................................................................................6
 printf("\t\t\t● 0.返回主菜单\n\n");.....................................................................................................6
 printf("\t\t 请输入序号选择操作：");...............................................................................................6
 scanf("%d",&choice);.........................................................................................................................6
 if(choice==0) break;...........................................................................................................................6
 switch(choice){...................................................................................................................................6
 case 1: system("cls");info_input(); info_xieru(); break;....................................................................6
 case 2: system("cls");info_xiugai(); break;........................................................................................6
 case 3: system("cls");info_del(); break;.............................................................................................6

 case 4: system("cls");info_output(); break;........................................................................................6
 default:system("cls"); printf("\n\t 输入有误!请重新输入!\n\n"); break;.........................................6
 }..........................................................................................................................................................6
 }..........................................................................................................................................................6
}...........................................................................................................................................................6
 3）学生数据处理子菜单..................................................................................................................7
 （1） 函数描述.................................................................................................................................7
 函 数 名： data_menu()....................................................................................................................7
输入参数 ：无....................................................................................................................................7
输出参数：无.....................................................................................................................................7
功 能 ：显示学生数据处理系统菜单..............................................................................................7
 （2） 函数程序.................................................................................................................................7
 Void data_menu() //数据处理菜单....................................................................................................7
{...........................................................................................................................................................7
 int choice;...........................................................................................................................................7
 //printf("\n\t 在进入学生数据管理前，请确认学生信息已全部完成！\n");................................7
 printf("\n\t 输入数字选择(0：返回；其它数字继续。)\n");..........................................................7
 scanf("%d",&choice);.........................................................................................................................7
 if(choice==0) return;..........................................................................................................................7
 while(1){.............................................................................................................................................7
 system("cls"); //清屏..........................................................................................................................7
 printf("\n\n\n\n\t\t☆☆☆☆☆学生数据处理系统☆☆☆☆☆\n\n");............................................7
 printf("\t\t\t● 1.录入成绩数据\n");....................................................................................................7
 printf("\t\t\t● 2.修改学生数据\n");....................................................................................................7
 printf("\t\t\t● 3.学生数据查询\n");....................................................................................................7
 printf("\t\t\t● 0.返回主菜单\n\n");.....................................................................................................7
 printf("\t\t 请输入序号选择操作：");...............................................................................................7
 scanf("%d",&choice);.........................................................................................................................7
 if(choice==0) break;...........................................................................................................................7
 switch(choice){...................................................................................................................................7
 case 1: system("cls");data_input(); break;.........................................................................................7
 case 2: system("cls");data_xiugai(); break;........................................................................................8
 case 3: system("cls");data_chaxun(); break;......................................................................................8
 default: system("cls");printf("\n\t 输入有误!请重新输入!\n\n"); break;.........................................8
 }..........................................................................................................................................................8
 }..........................................................................................................................................................8
}...........................................................................................................................................................8
4）学生综合信息输出.......................................................................................................................8
 （1） 函数描述.................................................................................................................................8
 函 数 名 ： shuchu().........................................................................................................................8
输入参数 ：无....................................................................................................................................8
输出参数 ：无....................................................................................................................................8
功 能 ：学生信息的综合输出..........................................................................................................8
 （2）函数程序..................................................................................................................................8

 void shuchu() //学生综合信息输出..................................................................................................8
{...........................................................................................................................................................8
 int i;.....................................................................................................................................................8
 data_daoru();.......................................................................................................................................8
 printf("\n");.........................................................................................................................................8
.............................................................................................................................................................8
  printf("   ____________   ____________   ________________   ___________   ___________
__________ \n");.................................................................................................................................8
 printf(" 学号 姓名 电话 平均分 名次 测评总分\n");.....................................................................8
  printf("   ____________   ____________   ________________   ___________   ___________
__________ \n");.................................................................................................................................8
 for(i=0;i<count;i++){.........................................................................................................................8
.............................................................................................................................................................8
  printf("|%10d   %10s   %14s   %10.1f   %10d   %10.1f   \
n",info[i].number,info[i].name,info[i].phone,data[i].avg,data[i].ksmc,data[i].ceping);.....................8
  printf("|____________|____________|________________|___________|___________|
__________|\n");.................................................................................................................................9
.............................................................................................................................................................9
 }..........................................................................................................................................................9
 printf("\n\n\t\t");.................................................................................................................................9
 system("pause");.................................................................................................................................9
 printf("\n");.........................................................................................................................................9
}...........................................................................................................................................................9
5）帮助函数.......................................................................................................................................9
 /**************************************************......................................................9
.............................................................................................................................................................9
函数名 ： help().................................................................................................................................9
输入参数：无.....................................................................................................................................9
输出参数：无.....................................................................................................................................9
 功能 ：显示本系统的信息...............................................................................................................9
****************************************************/...................................................9
void help() //帮助信息........................................................................................................................9
{...........................................................................................................................................................9
 system("cls"); //清屏..........................................................................................................................9
 printf("\n");.........................................................................................................................................9
 printf("\t\t\t 学生综合测评系统！\n\n");..........................................................................................9
 printf(" 本系统可以存储学生的基本信息和各科成绩，并能计算考试成绩，综合测评成绩和
排名。\n\n");.......................................................................................................................................9
 printf(" 基本信息包括：学号、姓名、性别、家庭住址、联系电话；\n\n 各科成绩包括：语
文、数学、英语成绩；\n\n");...........................................................................................................9
 printf(" 其它包括：考试名次、同学互评分、品德成绩、任课教师评分等。\n\n");..............10
 printf(" 说明：考试成绩排名是按照考试成绩计算的(考试成绩=(语+数+外)/3);\n\n");.........10
 printf(" 综合测评总分=((考试成绩)*0.6+（同学互评分）*0.1+(品德成绩)*0.1\n +(任课教师
评分)*0.2)\n\n");...............................................................................................................................10

 printf(" 其它请按照提示操作即可。\n\n");..................................................................................10
 printf("\n\n\t\t");...............................................................................................................................10
 system("pause");...............................................................................................................................10
}.........................................................................................................................................................10
6）学生信息导入函数.....................................................................................................................10
 /**************************************************....................................................10
...........................................................................................................................................................10
函数名 : info_daoru().......................................................................................................................10
输入参数：无...................................................................................................................................10
输出参数：无...................................................................................................................................10
 功能 ：打开存放的学生信息.........................................................................................................10
****************************************************/.................................................10
void info_daoru() //学生信息导出文件函数...................................................................................10
{.........................................................................................................................................................10
 FILE *f_info;....................................................................................................................................10
...........................................................................................................................................................10
 printf("\n\n\t 正在导入...\n\n");.......................................................................................................10
 if((f_info=fopen("info.txt","r"))==NULL){....................................................................................10
 printf("\n\t 打开文件失败!\n\n");....................................................................................................10
 return;................................................................................................................................................10
 }........................................................................................................................................................10
 count=0;............................................................................................................................................11
 while(!feof(f_info)){........................................................................................................................11
 fscanf(f_info,"%d %s %s %s %s ",&p.number,&p.name,&p.sex,&p.addr ,&p.phone);................11
 info[count]=p;...................................................................................................................................11
 count++;............................................................................................................................................11
 }.........................................................................................................................................................11
 printf("\n\t 导入已完成!共导入 %d 条记录!\n\n\n",count);..........................................................11
 fclose(f_info);...................................................................................................................................11
 system("cls");....................................................................................................................................11
}..........................................................................................................................................................11
7）学生信息输入函数.....................................................................................................................11
/**************************************************.....................................................11
...........................................................................................................................................................11
函数名 ： info_input().....................................................................................................................11
输入参数：无...................................................................................................................................11
输出参数：无...................................................................................................................................11
 功能 ：录入学生个人信息.............................................................................................................11
****************************************************/.................................................11
void info_input() //学生信息输入函数............................................................................................11
{..........................................................................................................................................................11
 int i,j;.................................................................................................................................................11
 info_daoru();.....................................................................................................................................11
 for( ; ; ){............................................................................................................................................11