QiFeng.ZWY.Dal/WebMail.cs

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using System; 
using System.Collections.Generic;
using System.Text;
using System.Data.SqlClient;
using System.Data;
using QiFeng.LMSD.DBUtility;
using QiFeng.LMSD.Model;

namespace QiFeng.LMSD.Dal
{
	public partial class WebMailDal : BaseDal<WebMailDal>
    {
        #region 默认方法
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(WebMail model)
        {
            var strSql = new StringBuilder();
            strSql.Append("insert into WebMail(");
            strSql.Append("AuthorType,AuthorId,AddresseeType,AddresseeId,Date,Title,MailContent,IsRead,AddDate,IsDelete");
            strSql.Append(") values (");
            strSql.Append("@AuthorType,@AuthorId,@AddresseeType,@AddresseeId,@Date,@Title,@MailContent,@IsRead,@AddDate,@IsDelete");
            strSql.Append(") ");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
                        new SqlParameter("@AuthorType", SqlDbType.Int,4) ,
                        new SqlParameter("@AuthorId", SqlDbType.Int,4) ,
                        new SqlParameter("@AddresseeType", SqlDbType.Int,4) ,
                        new SqlParameter("@AddresseeId", SqlDbType.Int,4) ,
                        new SqlParameter("@Date", SqlDbType.DateTime) ,
                        new SqlParameter("@Title", SqlDbType.NVarChar,50) ,
                        new SqlParameter("@MailContent", SqlDbType.NVarChar,-1) ,
                        new SqlParameter("@IsRead", SqlDbType.Bit,1) ,
                        new SqlParameter("@AddDate", SqlDbType.DateTime) ,
                        new SqlParameter("@IsDelete", SqlDbType.Bit,1)

            };

            parameters[0].Value = model.AuthorType;
            parameters[1].Value = model.AuthorId;
            parameters[2].Value = model.AddresseeType;
            parameters[3].Value = model.AddresseeId;
            parameters[4].Value = model.Date;
            parameters[5].Value = model.Title;
            parameters[6].Value = model.MailContent;
            parameters[7].Value = model.IsRead;
            parameters[8].Value = model.AddDate;
            parameters[9].Value = model.IsDelete;
            var obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            return obj == null ? 0 : Convert.ToInt32(obj);
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(WebMail model)
        {
            var strSql = new StringBuilder();
            strSql.Append("update WebMail set ");