DAL/AchieveDAL/NewsDAL.cs

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using AchieveCommon;
using AchieveEntity;
using AchieveInterfaceDAL;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Text;

namespace AchieveDAL
{
    public class NewsDAL : INewsDAL
    {
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(NewsEntity model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into tbNews(");
            strSql.Append("ftypeid,ftitle,fcontent,CreateBy,CreateTime,UpdateBy,UpdateTime");
            strSql.Append(") values (");
            strSql.Append("@ftypeid,@ftitle,@fcontent,@CreateBy,@CreateTime,@UpdateBy,@UpdateTime");
            strSql.Append(") ");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
                        new SqlParameter("@ftypeid", SqlDbType.Int,4) ,
                        new SqlParameter("@ftitle", SqlDbType.NVarChar,50) ,
                        new SqlParameter("@fcontent", SqlDbType.Text) ,
                        new SqlParameter("@CreateBy", SqlDbType.NVarChar,50) ,
                        new SqlParameter("@CreateTime", SqlDbType.DateTime) ,
                        new SqlParameter("@UpdateBy", SqlDbType.NVarChar,50) ,
                        new SqlParameter("@UpdateTime", SqlDbType.DateTime)
            };

            parameters[0].Value = model.ftypeid;
            parameters[1].Value = model.ftitle;
            parameters[2].Value = model.fcontent;
            parameters[3].Value = model.CreateBy;
            parameters[4].Value = model.CreateTime;
            parameters[5].Value = model.UpdateBy;
            parameters[6].Value = model.UpdateTime;
            object obj = Convert.ToInt32(SqlHelper.ExecuteScalar(SqlHelper.connStr, CommandType.Text, strSql.ToString(), parameters));
            return Convert.ToInt32(obj);
        }

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

            strSql.Append(" ftypeid = @ftypeid , ");
            strSql.Append(" ftitle = @ftitle , ");
            strSql.Append(" fcontent = @fcontent , ");
            strSql.Append(" CreateBy = @CreateBy , ");
            strSql.Append(" CreateTime = @CreateTime , ");
            strSql.Append(" UpdateBy = @UpdateBy , ");