DTcms.DAL/article_comment.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using DTcms.DBUtility;
using DTcms.Common;

namespace DTcms.DAL
{
    /// <summary>
    /// 数据访问类:文章评论
    /// </summary>
    public partial class article_comment
    {
        private string databaseprefix; //数据库表名前缀
        public article_comment(string _databaseprefix)
        {
            databaseprefix = _databaseprefix;
        }

        #region  Method
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from " + databaseprefix + "article_comment");
            strSql.Append(" where id=@id ");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = id;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }

        /// <summary>
        /// 返回数据总数(AJAX分页用到)
        /// </summary>
        public int GetCount(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(*) as H ");
            strSql.Append(" from " + databaseprefix + "article_comment ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return Convert.ToInt32(DbHelperSQL.GetSingle(strSql.ToString()));
        }

        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(Model.article_comment model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into " + databaseprefix + "article_comment(");
            strSql.Append("channel_id,article_id,parent_id,user_id,user_name,user_ip,content,is_lock,add_time,is_reply,reply_content,reply_time)");
            strSql.Append(" values (");