bbsreplydao.cs

小型ERP系统源码,修改版本

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 System.Text;
using System.Data.SqlClient;
using DLOA.DALFactory;

namespace DLOA.DAO
{
    /// <summary>
    /// BBSReplyDAO 的摘要说明
    /// </summary>
    public class BBSReplyDAO
    {
        public BBSReplyDAO()
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(DLOA.Model.BBSReply model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into BBSReply(");
            strSql.Append("topicId,replyUser,replyTitle,replyContent,replyDate)");
            strSql.Append(" values (");
            strSql.Append("@topicId,@replyUser,@replyTitle,@replyContent,@replyDate)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
					new SqlParameter("@topicId", SqlDbType.Int,4),
					new SqlParameter("@replyUser", SqlDbType.Int,4),
					new SqlParameter("@replyTitle", SqlDbType.VarChar,500),
					new SqlParameter("@replyContent", SqlDbType.VarChar,8000),
					new SqlParameter("@replyDate", SqlDbType.DateTime)};
            parameters[0].Value = model.topicId;
            parameters[1].Value = model.replyUser;
            parameters[2].Value = model.replyTitle;
            parameters[3].Value = model.replyContent;
            parameters[4].Value = model.replyDate;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 1;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public void Update(DLOA.Model.BBSReply model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update BBSReply set ");
            strSql.Append("topicId=@topicId,");
            strSql.Append("replyUser=@replyUser,");
            strSql.Append("replyTitle=@replyTitle,");
            strSql.Append("replyContent=@replyContent,");
            strSql.Append("replyDate=@replyDate");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4),
					new SqlParameter("@topicId", SqlDbType.Int,4),
					new SqlParameter("@replyUser", SqlDbType.Int,4),
					new SqlParameter("@replyTitle", SqlDbType.VarChar,500),
					new SqlParameter("@replyContent", SqlDbType.VarChar,8000),
					new SqlParameter("@replyDate", SqlDbType.DateTime)};
            parameters[0].Value = model.id;
            parameters[1].Value = model.topicId;
            parameters[2].Value = model.replyUser;
            parameters[3].Value = model.replyTitle;
            parameters[4].Value = model.replyContent;
            parameters[5].Value = model.replyDate;

            DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public void Delete(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete BBSReply ");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
				};
            parameters[0].Value = id;
            DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataTable GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append(" SELECT Personnel.name as ReplyUserName, BBSReply.replyUser, BBSReply.replyTitle,  ");
            strSql.Append(" BBSReply.replyContent, BBSReply.replyDate, BBSReply.id ");
            strSql.Append(" FROM Personnel INNER JOIN ");
            strSql.Append(" BBSReply ON Personnel.id = BBSReply.replyUser ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperSQL.QueryBySql(strSql.ToString());
        }

    }
}