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void xiugai() /*修改模块*/
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{
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system ("color 5F");
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int lgl=1;
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int x,i=0,k;
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long int xuehao;
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char name[10];
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struct stu *p;
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FILE *tp;
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int lgl1=1;
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while(lgl1==1)
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{
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system("cls"); /*清屏*/
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printf(" |==========================================|\n");
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printf(" | 请选择修改的人 |\n");
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printf(" |==========================================|\n");
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printf(" | 1.学号 2.姓名 |\n");
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printf(" |==========================================|\n");
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printf(" | 3.取消 |\n");
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printf(" |==========================================|\n");
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printf(" 请选择：");
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scanf("%d",&x);
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switch(x)
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{case 1:
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printf("请输入要修改的学生学号：");
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scanf("%ld",&xuehao);
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for(p=s;p<s+N;p++)
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{if(p->xuehao==xuehao)
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{
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i=1;
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int j; //菜单选择项//
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while(lgl==1)
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{
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system("cls"); /*清屏*/
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printf("\n\n");
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printf(" |=======================================|\n");
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printf(" | 请选择要修改的项目： |\n");
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printf(" |=======================================|\n");
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printf(" | 1.性别 2.年龄 |\n");
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printf(" |=======================================|\n");
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printf(" | 3.出生日期 4.地址 |\n");
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printf(" |=======================================|\n");
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printf(" | 5.电话号码 6.mail |\n");
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printf(" |=======================================|\n");
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printf(" | 7.取消 |\n");
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printf(" |=======================================|\n");
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printf("请选择想要修改的项目1-7：");
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scanf("%d",&j);
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switch(j)
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{ case 1: printf("新性别："); scanf("%s",p->sex); break;
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case 2: printf("新年龄："); scanf("%d",&p->age); break;
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case 3: printf("新出生日期："); scanf("%s",p->birth); break;
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case 4: printf("新地址："); scanf("%s",p->address); break;
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case 5: printf("新电话号码："); scanf("%s",p->phone); break;
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case 6: printf("新mail："); scanf("%s",p->mail); break;
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case 7: break;
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}
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printf("修改后数据如下：\n");
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printf("% 6ld% 8s% 6s% 6d% 10s% 10s% 15s% 20s\n",p->xuehao,p->name,p->sex,p->age,p->birth,p->address,p->phone,p->mail);
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tp=fopen("xsxxk.txt","w");
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for(k=0;k<N;k++)
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fprintf(tp,"%ld\n%s\n%s\n%d\n%s\n%s\n%s\n%s\n",s[k].xuehao,s[k].name,s[k].sex,s[k].age,s[k].birth,s[k].address,s[k].phone,s[k].mail);
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fclose(tp);
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printf("修改已成功！是否继续修改此项目的其他数据：(Y/N)");
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char a; scanf("%s",&a);
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if(a=='y'||a=='Y') lgl=1;
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if(a=='n'||a=='N') lgl=0;
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}
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printf("是否返回修改其他数据：(Y/N)");
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char b;
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scanf("%s",&b);
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if(b=='y'||b=='Y') lgl1=1;lgl=1;
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if(b=='n'||b=='N') lgl1=0;
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}}
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if(i==0)
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{
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printf("\n\n对不起！您查询的数据不存在！\n是否返回菜单继续选择修改：(Y/N)");
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char c;
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scanf("%s",&c);
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if(c=='y'||c=='Y') lgl1=1;
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if(c=='n'||c=='N') lgl1=0;}
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break;
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case 2:
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printf("请输入要修改的学生姓名：");
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scanf("%s",name);
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for(p=s;p<s+N;p++)
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{
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if(strcmp(p->name,name)==0)
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{i=1;
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int j; //菜单选择项
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while(lgl==1)
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{system("cls"); /*清屏*/
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printf("\n\n");
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printf(" |============================|\n");
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printf(" |============================|\n");
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printf(" | 请选择要修改的项目： |\n");
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printf(" |============================|\n");
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printf(" | 1.性别 2.年龄 |\n");
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printf(" |============================|\n");
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printf(" | 3.出生日期 4.地址 |\n");
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printf(" |============================|\n");
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printf(" | 5.电话号码 6.mail |\n");
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printf(" |============================|\n");
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printf(" | 7.取消 |\n");
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printf(" |============================\n");
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printf(" |===========================|\n");
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printf("请选择想要修改的项目1-7：");
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scanf("%d",&j);
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switch(j)
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{ case 1: printf("新性别："); scanf("%s",p->sex); break;
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case 2: printf("新年龄："); scanf("%d",&p->age); break;
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case 3: printf("新出生日期："); scanf("%s",p->birth); break;
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case 4: printf("新地址："); scanf("%s",p->address); break;
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case 5: printf("新电话号码："); scanf("%s",p->phone); break;
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case 6: printf("新mail："); scanf("%s",p->mail); break;
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case 7: break;
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}
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printf("修改后如下：\n");
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printf("% 6ld% 8s% 6s% 6d% 10s% 10s% 15s% 20s\n",p->xuehao,p->name,p->sex,p->age,p->birth,p->address,p->phone,p->mail);
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tp=fopen("xsxxk.txt","w");
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for(k=0;k<N;k++)
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fprintf(tp,"%ld\n%s\n%s\n%d\n%s\n%s\n%s\n%s\n",s[k].xuehao,s[k].name,s[k].sex,s[k].age,s[k].birth,s[k].address,s[k].phone,s[k].mail);
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fclose(tp);
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printf("修改已成功！是否继续修改此项目的其他数据：(Y/N)");
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char d; scanf("%s",&d);
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if(d=='y'||d=='Y') lgl=1;
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if(d=='n'||d=='N') lgl=0;}
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printf("是否返回修改其他数据：(Y/N)");
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char e; scanf("%s",&e);
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if(e=='y'||e=='Y') lgl1=1; lgl=1;
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if(e=='n'||e=='N') lgl1=0;
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}}
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if(i==0)
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{printf("\n\t对不起！您查询的数据不存在！\n是否返回菜单继续选择修改：(Y/N)");
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char m; scanf("%s",&m);
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if(m=='y'||m=='Y') lgl1=1;
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if(m=='n'||m=='N') lgl1=0;}
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break;
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case 3:
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system("cls");
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lgl1=0; break;
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}}
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}
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