userbll.cs

CRM管理系统 CRM管理系统

//------------------------------------*/
//版权所有：杭州商易信息技术有限公司
//功能描述：用户管理类
//    作者：沈伟
//    日期：2008/08/26
//------------------------------------*/
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using Itsv.Model;

namespace Itsv.BLL.SystemManage
{
   public class UserBLL
    {
        private static readonly Itsv.DAL.SystemManage.UserDAL dal = new Itsv.DAL.SystemManage.UserDAL();
        public UserBLL()
        { }
        #region  成员方法
       ///<summary>
        ///是否存在记录
        ///</summary>
        public bool Exists(string account)
        {
            return dal.Exists(account);
        }
        ///<summary>
        ///用户登陆
        ///</summary>
        /// <param name="account">帐号</param>
        /// <param name="password">密码</param>
        /// <param name="info">返回消息</param>
        /// <returns></returns>
        public bool UserLogin(string account, string password, ref string info, ref User user)
        {
            try
            {
                user = dal.GetModelByAccount(account);
                if (user == null)
                {
                    info = "用户名不存在";
                    return false;
                }
                if (user.password != password)
                {
                    info = "密码错误";
                    return false;
                }
                if (!user.inuse)
                {
                    info = "用户已经失效,请与管理员联系";
                    return false;
                }
                return true;
            }
            catch (Exception ex)
            {
                info = ex.Message.Replace("'", "");
                return false;
            }
        }
       ///<summary>
       /// 增加一条数据
       /// </summary>
        public bool Add(Itsv.Model.User model, ref string msg)
        {
            try
            {
                if (dal.Exists(model.account))
                {
                    msg = "帐号已经存在!" + model.account;
                    return false;
                }
                dal.Add(model);
                msg = "新增用户成功!";
                return true;
            }
            catch (Exception ex)
            {
                msg = "创建用户失败:\\r\\n" + ex.Message.Replace("'", "");
                return false;
            }
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(Itsv.Model.User model, ref string msg)
        {
            try
            {
                dal.Update(model);
                msg = "编辑用户成功";
                return true;
            }
            catch (Exception ex)
            {
                msg = "编辑用户失败:\\r\\n" + ex.Message.Replace("'", "");
                return false;

            }
        }

        /// <summary>
        /// 用户修改密码
        /// </summary>
        public bool UpdatePassword(string account, string oldpassword, string newpassword, ref string msg)
        {
            try
            {
                //验证原始密码
                Itsv.Model.User u = dal.GetModelByAccount(account);
                if (u == null)
                {
                    msg = "用户不匹配";
                    return false;
                }
                if (oldpassword != u.password)
                {
                    msg = "原始密码错误";
                    return false;
                }

                //修改密码
                u.password = newpassword;
                dal.UpdatePassword(u);

                return true;
            }
            catch (Exception ex)
            {
                msg = ex.Message;
                return false;
            }
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public void Delete(int user_id)
        {
            dal.Delete(user_id);
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Itsv.Model.User GetModel(int user_id)
        {
            return dal.GetModel(user_id);
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere)
        {
            try
            {
                return dal.GetList(strWhere);
            }
            catch
            {
                return null;
            }
        }

        /// <summary>
        /// 批量更新部门
        /// </summary>
        /// <param name="dept_id">部门id</param>
        /// <param name="deptCode">部门code</param>
        /// <param name="deptName">部门名称</param>
        /// <returns></returns>
        public bool UpdateDept(int dept_id, string deptCode, string deptName, ref string msg)
        {
            try
            {
                return dal.UpdateDept(dept_id, deptCode, deptName);
            }
            catch (Exception ex)
            {
                msg = ex.Message;
                return false;
            }
        }

        /// <summary>
        /// 读取用户id
        /// </summary>
        /// <param name="account">用户名</param>
        public string GetIdByAccount(string account, ref string msg)
        {
            try
            {
                return dal.GetIdByAccount(account);
            }
            catch (Exception ex)
            {
                msg = ex.Message;
                return null;
            }
        }

        #endregion  成员方法
    }
}