bll.txt

算法程序设计与分析 最大团问题 绝对好用c++编译过

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using DataSetNetShopTableAdapters;


/// <summary>
/// Summary description for Employees
/// </summary>
[System.ComponentModel.DataObject]
public class UserBLL
{
    private UserInfoTableAdapter _userAdapter = null;

    protected UserInfoTableAdapter Adapter
    {
        get
        {
            if (_userAdapter == null)
                _userAdapter = new UserInfoTableAdapter();

            return _userAdapter;
        }
    }


    [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Select, true)]
    public DataSetNetShop.UserInfoDataTable GetUsers()
    {
        return Adapter.GetUsers();
    }

    [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Select, true)]
    public DataSetNetShop.UserInfoRow GetUserByID(int ID)
    {
        DataSetNetShop.UserInfoDataTable users = Adapter.GetUserByID(ID);
        return users[0];
    }
    public DataSetNetShop.UserInfoRow GetUserByname(string name)
    {
        DataSetNetShop.UserInfoDataTable users = Adapter.GetUserByname(name);
        return users[0];
    }

    public bool Add(string name, string password, string email)
    {
        DataSetNetShop.UserInfoDataTable users = Adapter.GetUserByname(name);
        if (users.Count > 0)
        {
            return false;
        }
        decimal Money = 0;
        int affectedRow = Adapter.Insert(name,password,email,Convert.ToDouble(Money));
        return (affectedRow == 1);
    }

    public bool AddMoney(int id, string password, decimal money)
    {
        //UserBLL user = new UserBLL();
        if (CheckPwd(id, password) == true)
        {
            DataSetNetShop.UserInfoRow user = GetUserByID(id);
            user.Money += Convert.ToDouble(money);
            int affectedRow = Adapter.Update(user);
            return (affectedRow == 1);
        }
        else
        {
            return false;
        }
    }

    public bool AddMoney(string name, string password, decimal money)
    {
        DataSetNetShop.UserInfoDataTable users = Adapter.GetUserByname(name);
        if (users.Count== 0)
        {
            return false;
        }
        DataSetNetShop.UserInfoRow user = users[0];
        return AddMoney(Convert.ToInt32(user.ID), password, Convert.ToDecimal(money));
    }

    public decimal ShowMoney(string name)
    {
        DataSetNetShop.UserInfoDataTable users = Adapter.GetUserByname(name);
        DataSetNetShop.UserInfoRow user = users[0];
        return Convert.ToDecimal(user.Money);
    }


    public bool CheckPwd(int id, string password)
    {

        DataSetNetShop.UserInfoRow user = GetUserByID(id);

        if (user.ID == id && user.password == password)
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    public bool Checkname(string name)
    {

        DataSetNetShop.UserInfoDataTable users = Adapter.GetUserByname(name);
        if (users.Count==0)// 等于0表示没有注册过
        {
            return true;
        }
        else
        {
            return false;
        }
    }

    public bool CheckPwd(string name, string password)
    {

        DataSetNetShop.UserInfoDataTable users = Adapter.GetUserByname(name);
        if (users.Count == 0)
        {
            return false;
        }
        DataSetNetShop.UserInfoRow user = users[0];

        if (user.name == name && user.password == password)
        {
            return true;
        }
        else
        {
            return false;
        }
    }

}