announcementdao.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 DLOA.DALFactory;
using System.Data.SqlClient;
using System.Text;
using DLOA.Model;
using System.Collections;

namespace DLOA.DAO
{

    /// <summary>
    /// AnnouncementDAO 的摘要说明
    /// </summary>
    public class AnnouncementDAO
    {
        public AnnouncementDAO()
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public void Add(DLOA.Model.Announcement model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into Announcement(");
            strSql.Append("issuesPerson,issuesTime,content)");
            strSql.Append(" values (");
            strSql.Append("@issuesPerson,@issuesTime,@content)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
					new SqlParameter("@issuesPerson", SqlDbType.Int,4),
					new SqlParameter("@issuesTime", SqlDbType.DateTime),
					new SqlParameter("@content", SqlDbType.VarChar,8000)};
            parameters[0].Value = model.issuesPerson;
            parameters[1].Value = model.issuesTime;
            parameters[2].Value = model.content;

            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 Announcement ");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
				};
            parameters[0].Value = id;
            DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public DLOA.Model.Announcement GetModel(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select id,issuesPerson,issuesTime,content from Announcement ");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = id;
            DLOA.Model.Announcement model = new DLOA.Model.Announcement();
            DataTable dt = DbHelperSQL.QueryByParameter(strSql.ToString(), parameters);
            if (dt.Rows.Count > 0)
            {
                if (dt.Rows[0]["id"].ToString() != "")
                {
                    model.id = int.Parse(dt.Rows[0]["id"].ToString());
                }
                if (dt.Rows[0]["issuesPerson"].ToString() != "")
                {
                    model.issuesPerson = int.Parse(dt.Rows[0]["issuesPerson"].ToString());
                }
                if (dt.Rows[0]["issuesTime"].ToString() != "")
                {
                    model.issuesTime = DateTime.Parse(dt.Rows[0]["issuesTime"].ToString());
                }
                model.content = dt.Rows[0]["content"].ToString();
                return model;
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataTable GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append(" SELECT Announcement.id, Announcement.issuesTime, Announcement.content,  ");
            strSql.Append(" Personnel.name As PersonnelName ");
            strSql.Append(" FROM Announcement INNER JOIN ");
            strSql.Append(" Personnel ON Announcement.issuesPerson = Personnel.id ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            strSql.Append(" order by issuesTime Desc");
            return DbHelperSQL.QueryBySql(strSql.ToString());
        }
    }
}