DAL/TopNewsService.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;

namespace DAL
{
	/// <summary>
	/// 数据访问类:TopNewsService
	/// </summary>
	public partial class TopNewsService
	{
		public TopNewsService()
		{}
		#region  BasicMethod
		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from TopNews");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
			};
			parameters[0].Value = id;

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


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public static int Add(Model.TopNews model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into TopNews(");
			strSql.Append("newsId,newsType,imgURL,baseInfo,orderNum,status,remark,addTime,addUser,infoType)");
			strSql.Append(" values (");
			strSql.Append("@newsId,@newsType,@imgURL,@baseInfo,@orderNum,@status,@remark,@addTime,@addUser,@infoType)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@newsId", SqlDbType.Int,4),
					new SqlParameter("@newsType", SqlDbType.Int,4),
					new SqlParameter("@imgURL", SqlDbType.VarChar,50),
					new SqlParameter("@baseInfo", SqlDbType.VarChar,1500),
					new SqlParameter("@orderNum", SqlDbType.Int,4),
					new SqlParameter("@status", SqlDbType.Int,4),
					new SqlParameter("@remark", SqlDbType.VarChar,150),
                    new SqlParameter("@addTime",SqlDbType.DateTime),
                    new SqlParameter("@addUser",SqlDbType.Int,4),
					new SqlParameter("@infoType", SqlDbType.Int,4)};
			parameters[0].Value = model.newsId;
			parameters[1].Value = model.newsType;
			parameters[2].Value = model.imgURL;
			parameters[3].Value = model.baseInfo;
			parameters[4].Value = model.orderNum;
			parameters[5].Value = model.status;