function.c

Node *Locate(Head list,char findstr[],char name_uname[])//定位符合要求的用户
{
    Node *p;
    if(fuzzymark==0)//fuzzymark=0正常查询
    {
        if(strcmp(name_uname,"name")==0)
        {
            p=list->next;
            while(p)
            {
                if(strcmp(p->data.realname,findstr)==0)
                    return p;//返回指针值
                p=p->next;
            }
        }
        else if(strcmp(name_uname,"uname")==0)
        {
            p=list->next;
            while(p)
            {
                if(strcmp(p->data.username,findstr)==0)
                    return p;//返回指针的值
                p=p->next;
            }
        }
    }
    else if(fuzzymark==1)//fuzzymark=1模糊查询
    {
        Searchls(list);
    }

}

void Searchls(Head list)
{
    int count=0;
    Node *p;
    char u_name[12];
    p=list->next;
    system("cls");
    char ls[16];
    printf("模糊查找姓名,请输入：\n");
    scanf("%s",ls);
    printf("\n带%s用户的信息如下：\n",ls);
    PrintDataTitle();
    while(p)
    {
        p->data.realname;
        if (strstr(p,ls))
        {
            count++;
            printf("%-10s %-10s %-10lld %-10.2lf %-10.2lf %d年\n",p->data.realname,p->data.username,p->data.account,p->data.normal_balance,p->data.regular_balance,p->data.regular_year);
        }
        p=p->next;
    }
    if(!count)  printf("未找到相关用户！");
    system("pause >nul");
    return;
}

void FindUser(Head list)//查找用户函数
{
    int select;
    char search[16];
    Node *p;
    if(!list->next)
    {
        printf("\n没有发现用户信息！\n");
        system("pause >nul");
        return;
    }
    system("cls");
    printf("\n1:按用户名查询\n2:按姓名查询\n3:模糊查找姓名\n\n");//\n4:模糊查找用户名\n
    printf("请选择查询方式:\n");
    scanf("%d",&select);
    if(select==1)
    {
        Inputdata(search,12,"输入已存在的用户名：\n");
        p=Locate(list,search,"uname");
    }
    else if(select==2)
    {
        Inputdata(search,12,"输入已存在的姓名：\n");
        p=Locate(list,search,"name");
    }
    else if(select==3)
    {
        fuzzymark=1;
        Searchls(list);
        printf("\n\n按任意键返回...");
        system("pause >nul");
        return;
    }
    if(p)
    {
        printf("\n用户 %s 的信息如下：\n",p->data.username);
        PrintDataTitle();
        PrintUserData(p);
        printf("\n\n按任意键返回...");
        system("pause >nul");
    }
    else
    {
        printf("用户信息不存在!");
        system("pause >nul");
    }
}

void ListAllUser(Head list)//输出所有用户信息函数
{
    Node *p;
    p=list->next;
    if(p==NULL)
    {
        printf("\n没有发现用户信息!\n");
        return;
    }
    system("cls");
    printf("\n");
    PrintDataTitle();
    while(p)
    {
        PrintUserData(p);
        p=p->next;
    }
    system("pause >nul");
    return;
}

void AddUser(Head list)//添加用户信息函数
{
    Node *p,*s,*r;
    char c,mark=0,uname[10];
    r=list;
    s= list ->next;
    system("cls");
    while(r->next!=NULL)
        r=r->next;
    while(1)
    {
        Inputdata(uname,12,"请输入用户名    :");
        mark=0;
        if(strcmp(uname,"0")==0)
        {
            return;
        }
        s=list->next;
        while(s)
        {
            if(strcmp(s->data.username,uname)==0)
            {
                mark=1;
                break;
            }
            s=s->next;
        }
        if(mark==1)
        {
            printf("用户名 %s 已存在，是否重新输入?|y or n|:\n",uname);
            scanf("%s",&c);
            if(c=='y'||c=='Y')
                continue;
            else return;
        }
        else break;
    }
    p=(Node *)malloc(sizeof(Node));//申请内存
    if(!p)
    {
        printf("\n分配内存时出错！\n");
        return;
    }
    strcpy(p->data.username,uname);
    Inputdata(p->data.realname,12, "用户姓名为      :");
    Inputdata(p->data.password,12, "用户登陆密码为  :");
    p->data.normal_balance=0.0;
    p->data.regular_balance=0.0;
    p->data.regular_year=0;
    p->data.nor_year=0;
    p->data.nor_month=0;
    p->data.nor_day=0;
    p->data.reg_year=0;
    p->data.reg_month=0;
    p->data.reg_day=0;
    p->data.interest=0;
    p->data.account=889900001+RATE.first_account++;
    printf  ("成功生成用户账号：%lld \n\n",p->data.account);
    p->data.rank=0;
    p->next=NULL;
    r->next=p;
    r=p;
    savemark=1;
    system("pause >nul");
    return;
}

void UserLogin(Head list)
{
    Node *p;
    char u_name[12];
    char pswd[12];
    p=list->next;
    if(p==NULL)
    {
        printf("\n目前没有用户注册!\n");
        system("pause >nul");
        return;
    }
    system("cls");
    printf("请输入用户名：\n");
    scanf("%s",u_name);
    printf("请输入密码：\n");
    scanf("%s",pswd);
    printf("\n");
    while(p)
    {
        if(strcmp(p->data.password,pswd)==0&&strcmp(p->data.username,u_name)==0)
            UsersOper(p,pswd,u_name,list);
        p=p->next;
    }
}

void DeleteUser(Head list)//删除用户信息
{
    int choice;
    Node *p,*r;
    char findstr[16];
    if(!list->next)
    {
        printf("\n没有发现用户信息！\n");
        system("pause >nul");
        return;
    }
    system("cls");
    printf("\n1:按用户名删除 \n2:按姓名删除\n");
    printf("请选择\n");
    scanf("%d",&choice);
    if(choice==1)
    {
        Inputdata(findstr,12,"输入一个已有的用户名：");
        p=Locate(list,findstr,"uname");
    }
    else if(choice==2)
    {
        Inputdata(findstr,12,"输入一个已有姓名：");
        p=Locate(list,findstr,"name");
    }
    if(p!=NULL)
    {
        r=list;
        while(r->next!=p)
            r=r->next;
        r->next=p->next;
        free(p);
        printf("\n删除成功！");
        system("pause >nul");
        savemark=1;
    }
    Administrator(list);
}

void SortNormal(Head list)//用活期存款排序
{
    int i=1;
    Head p1;//为原链表剩下用于直接插入排序的节点头指针
    Head p2;    //临时指针变量：插入节点
    Head p3;    //临时指针变量
    Head p4;    //临时指针变量
    if(list -> next==NULL) return;
    p1=list->next;
    list->next=NULL;
    while(p1!=NULL)
    {
        p2=p1;
        p1=p1->next;
        p2->next=NULL;
        p3=list;
        if(p3->next==NULL)
        {
            p3->next=p2;
        }
        else
        {
            p4=p3->next;
            while(p4!=NULL&&p2->data.normal_balance<p4->data.normal_balance)
            {
                p3=p3->next;
                p4=p3->next;
            }

            p2->next=p3->next;
            p3->next=p2;
        }
    }
    p3=list->next;
    while(p3!=NULL)
    {
        p3->data.rank=i++;
        p3=p3->next;
    }
    ListAllUser(list);
    savemark=1;
    return;
}
int expireDate(int date)

{
    int day,month,year;
    time_t timep;
    struct tm *p;
    time (&timep);
    p=gmtime(&timep);
    day = p->tm_mday;
    month = 1+p->tm_mon;
    year = 1900+p->tm_year;
    printf("定期存款于%d年%d月%d日到期！",year+date,month,day);
}