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#include<stdio.h>
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#include<stdlib.h>
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#include <string.h>
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void caidan(); //主菜单界面函数
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void xuanze(); //选择功能函数
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void luru(); //录入功能函数：新增信息
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void save(int t); //信息录入文本函数：将新增信息保存到文件中
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void liulan(); //浏览功能函数：输出所有信息
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void chaxun(); //查询功能函数
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void chazhao1(); //按名字查找
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void chazhao2(); //按电话号码查找
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void chazhao3(); //按邮件地址查找
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void change();
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void xiugai(int n); //修改功能函数
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void fanhui(); //返回函数：选择继续操作还是返回主菜单
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struct student //定义结构体
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{
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char name[20]; //姓名
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char area[20]; //籍贯
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char tel[20]; //电话号码
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char email[20]; //邮箱地址
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};
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struct student a[100]; //定义结构体类型变量
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FILE *fp; //文件指针
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int i; //全局变量
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/*主函数*/
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int main(void)
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{
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xuanze();
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return 0;
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}
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/*选择功能函数*/
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void xuanze()
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{
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int i;
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do
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{
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system("cls"); //清屏
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caidan();
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printf(" 请选择对应功能选项：");
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scanf("%d",&i);
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switch(i)
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{
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case 1: luru(); break;
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case 2: liulan(); break;
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case 3: chaxun(); break;
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case 4: change(); break;
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case 0: printf(" 请按回车键退出\n");exit(0);
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default: printf(" 输入错误，请输入正确的选项数字！\n");
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}
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}while(1);
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}
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/*主菜单*/
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void caidan()
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{
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printf(" \n");
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printf(" 欢迎使用通讯录管理系统\n");
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printf(" --------------------------------------\n");
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printf(" ***录入信息请按 1***\n");
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printf(" ***浏览信息请按 2***\n");
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printf(" ***查询信息请按 3***\n");
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printf(" ***修改信息请按 4***\n");
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printf(" ***退出系统请按 0***\n");
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printf(" --------------------------------------\n");
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}
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/*信息录入*/
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void luru()
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{
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int i=0,n,t;
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do
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{
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printf(" *----------------------------------*\n");
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printf(" *----------------------------------*\n");
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printf(" 请输入学生姓名：");
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fflush(stdin); //清除缓存区
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scanf("%s",a[i].name);
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printf(" 请输入学生籍贯：");
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scanf("%s",a[i].area);
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printf(" 请输入学生电话号码：");
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scanf("%s",a[i].tel);
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printf(" 请输入学生邮箱地址：");
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scanf("%s",a[i].email);
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i++;
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t=i;
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printf(" 继续输入请按1，返回菜单请按2:");
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scanf("%d",&n);
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}while(n==1);
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save(t); //将录入信息保存至文本
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printf(" 信息录入完毕！\n");
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xuanze(); //返回菜单
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}
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/*将录入的信息保存至文本*/
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void save(int t)
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{
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int i;
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if((fp=fopen("shuju.txt","a"))==NULL) //打开文本文件并判断是否正确打开
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{
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printf("File open error!\n");
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exit(0);
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}
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for(i=0;i<t;i++)
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{
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fprintf(fp,"%s\t%s\t%s\t%s\t",a[i].name,a[i].area,a[i].tel,a[i].email); //输出列表
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}
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if(fclose(fp)) //关闭文件
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{
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printf("关闭失败\n");
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exit(0);
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}
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}
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void liulan()
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{
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int n,j;
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fp=fopen("shuju.txt","r"); //打开文件
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for(i=0;feof(fp)==0;i++)
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fscanf(fp,"%s %s %s %s\n",a[i].name,a[i].area,a[i].tel,a[i].email);
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fclose(fp); //关闭文件
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printf(" 姓名\t籍贯\t电话号码\t邮箱地址\t\t\n");
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for(j=0;j<i;j++)
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printf(" %s\t%s\t%s\t%s\t\t\n",a[j].name,a[j].area,a[j].tel,a[j].email); //输出所有信息以浏览
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printf(" -----------------------------------------\n");
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printf(" 若浏览完毕按任意键返回主菜单\n");
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system("pause"); //暂停，由自己按任意键继续运行程序
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xuanze();
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}
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void chaxun()
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{
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int n;
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printf(" 1、按姓名查找 2、按电话号码查找 3、按邮箱地址查找\n");
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do
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{
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printf(" 请选择选项：");
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scanf("%d",&n);
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switch(n)
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{
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case 1:chazhao1(); break;
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case 2:chazhao2(); break;
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case 3:chazhao3(); break;
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default:printf(" 输入错误,请重新输入!\n");
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}
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}while(1);
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}
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void chazhao1()
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{
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int flag=1,i; //flag状态量用来判断查找结果
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char name[20];
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printf(" 请输入要查找联系人的姓名：");
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scanf("%s",name);
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if((fp=fopen("shuju.txt","r"))==NULL) //打开文本
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{
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printf("File open error!\n");
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exit(0);
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}
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for(i=0;feof(fp)==0;i++)
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{
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fscanf(fp,"%s %s %s %s\n",a[i].name,a[i].area,a[i].tel,a[i].email);
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if(strcmp(name,a[i].name)==0) //strcmp函数比较两个字符串，若相等则返回0
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{
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printf(" 姓名\t籍贯\t电话号码\t邮箱地址\t\t\n");
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printf(" %s\t%s\t%s\t%s\t\t\n",a[i].name,a[i].area,a[i].tel,a[i].email); //输出查找内容
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flag=0;
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break;
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}
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else
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flag=1;
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}
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fclose(fp); //关闭文本
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if(flag==1)
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printf(" 查无此人\n");
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else
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printf(" 查找完毕\n");
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fanhui();
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}
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void chazhao2()
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{
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int flag=1,i; //flag状态量用来判断查找结果
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char tel[20];
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printf(" 请输入要查找联系人的电话号码：");
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scanf("%s",tel);
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if((fp=fopen("shuju.txt","r"))==NULL) //打开文本
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{
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printf("File open error!\n");
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exit(0);
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}
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for(i=0;feof(fp)==0;i++)
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{
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fscanf(fp,"%s %s %s %s\n",a[i].name,a[i].area,a[i].tel,a[i].email);
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if(strcmp(tel,a[i].tel)==0) //strcmp函数比较两个字符串，若相等则返回0
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{
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printf(" 姓名\t籍贯\t电话号码\t邮箱地址\t\t\n");
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printf(" %s\t%s\t%s\t%s\t\t\n",a[i].name,a[i].area,a[i].tel,a[i].email); //输出查找内容
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flag=0;
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break;
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}
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else
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flag=1;
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}
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fclose(fp);
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if(flag==1)
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printf(" 查无此人\n");
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else
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printf(" 查找完毕\n");
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fanhui();
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}
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void chazhao3()
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{
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int flag=1,i; //flag状态量用来判断查找结果
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char email[20];
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printf(" 请输入要查找联系人的邮箱地址：");
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scanf("%s",email);
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if((fp=fopen("shuju.txt","r"))==NULL) //打开文本
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{
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printf("File open error!\n");
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exit(0);
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}
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for(i=0;feof(fp)==0;i++)
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{
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fscanf(fp,"%s %s %s %s\n",a[i].name,a[i].area,a[i].tel,a[i].email);
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if(strcmp(email,a[i].email)==0) //strcmp函数比较两个字符串，若相等则返回0
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{
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printf(" 姓名\t籍贯\t电话号码\t邮箱地址\t\t\n");
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printf(" %s\t%s\t%s\t%s\t\t\n",a[i].name,a[i].area,a[i].tel,a[i].email); //输出查找内容
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flag=0;
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break;
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}
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else
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flag=1;
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}
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fclose(fp);
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if(flag==1)
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printf(" 查无此人\n");
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else
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printf(" 查找完毕\n");
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fanhui();
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}
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/*返回菜单函数*/
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void fanhui()
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{
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int b;
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printf(" ---------------------------------\n");
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printf(" 按任意键返回主菜单\n");
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system("pause"); //暂停
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xuanze();
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}
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/*修改信息函数*/
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void change()
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{
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int i,t,n=0,flag=1;
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char name[20];
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printf(" 请输入你需要修改信息的学生姓名:");
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scanf("%s",name);
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if((fp=fopen("shuju.txt","r+"))==NULL)
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{
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printf("File open error!\n");
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exit(0);
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}
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for(i=0;feof(fp)==0;i++)
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{
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fscanf(fp,"%s %s %s %s\n",a[i].name,a[i].area,a[i].tel,a[i].email);
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if(strcmp(name,a[i].name)==0)
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{ flag=0;
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n=i;
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}
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}
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if(flag==1)
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{
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printf(" 查无此人!\n");
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fanhui();
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}
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printf(" 请确认学生信息\n");
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printf(" 姓名\t\t籍贯\t\t电话号码\t\t邮箱地址\t\t\n");
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printf(" %s\t\t%s\t\t%s\t\t%s\t\t\n",a[n].name,a[n].area,a[n].tel,a[n].email);
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printf(" 确认修改按 1\t取消修改按 2：");
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scanf("%d",&t);
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if(t==1)
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xiugai(n);
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if(t==2)
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fanhui();
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if(fclose(fp))
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{
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printf("关闭失败\n");
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exit(0);
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}
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if((fp=fopen("shuju.txt","w"))==NULL)
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{
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printf("File open error!\n");
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exit(0);
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}
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for(n=0;n<i;n++)
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fprintf(fp,"%s %s %s %s\n",a[n].name,a[n].area,a[n].tel,a[n].email);
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if(fclose(fp))
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{
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|
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printf("关闭失败\n");
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exit(0);
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|
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}
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|
|
|
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system("pause");
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|
|
|
|
}
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|
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|
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|
|
|
void xiugai(int n)
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|
|
|
|
{
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|
|
|
int k,z;
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|
|
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printf(" ************************************\n");
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|
|
|
printf(" 1、姓名\n");
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|
|
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printf(" 2、籍贯\n");
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|
|
printf(" 3、电话号码\n");
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|
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printf(" 4、邮箱地址\n");
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|
|
|
printf(" ************************************\n");
|
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|
|
|
printf(" 请选择您要修改的信息:");
|
|
|
|
|
scanf("%d",&k);
|
|
|
|
|
switch(k)
|
|
|
|
|
{
|
|
|
|
|
case 1:printf(" 请输入修改后的内容："); scanf("%s",a[n].name); break;
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case 2:printf(" 请输入修改后的内容："); scanf("%s",a[n].area); break;
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case 3:printf(" 请输入修改后的内容："); scanf("%s",a[n].tel); break;
|
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|
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|
case 4:printf(" 请输入修改后的内容："); scanf("%s",a[n].email); break;
|
|
|
|
|
}
|
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|
|
printf(" 修改成功\n");
|
|
|
|
|
printf(" 按任意键返回主菜单\n");
|
|
|
|
|
}
|
