icustomer.cs

某个公司需要维持良好的客户关系

using System;
using CRM.Model;
using System.Data;


namespace CRM.IDAL
{
	/// <summary>
	/// ICustomer 的摘要说明。
	/// </summary>
	public interface ICustomer
	{
		/// <summary>
		/// 返回指定客户信息
		/// </summary>
		/// <param name="customerId">客户ID</param>
		/// <returns></returns>
		CustomerInfo GetCustomerById(string customerId);
		
		/// <summary>
		/// 根据客户类型ID返回所有相关客户
		/// </summary>
		/// <param name="typeId">客户类型ID</param>
		/// <returns></returns>
		DataTable GetCustomerByTypeId(string typeId);

		/// <summary>
		/// 返回所有客户信息
		/// </summary>
		/// <returns></returns>
		DataTable GetAllCustomer();

		/// <summary>
		/// 添加一条新的客户记录
		/// </summary>
		/// <param name="customer">客户信息</param>
		void Insert(SysUserInfo user,CustomerInfo customer);
		
		/// <summary>
		/// 修改指定客户信息
		/// </summary>
		/// <param name="customer">客户信息</param>
		void Update(CustomerInfo customer);

		/// <summary>
		/// 删除指定客户信息
		/// </summary>
		/// <param name="customerId"></param>
		void Delete(string customerId);

		SysUserInfo GetSysUserByCustomerId(string customerId);
	}
}