DAL/UserImgService.cs

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

namespace DAL
{
	/// <summary>
	/// 数据访问类:UserImgService
	/// </summary>
	public partial class UserImgService
	{
		public UserImgService()
		{}
		#region  BasicMethod
        /// <summary>
        /// 删除未保存的图片
        /// </summary>
        /// <returns></returns>
        public static int DeleteByUserStatus0(int userId)
        {
            string sql = "delete from UserImg where addUser = " + userId + " and typeId = 0 and infoType = 1";
            return DBHelperSQL.ExecuteSql(sql);
        }
        /// <summary>
        /// 更新反馈
        /// </summary>
        /// <param name="userId"></param>
        /// <param name="mess"></param>
        /// <returns></returns>
        public static int UpdateMess(int userId,string mess)
        {
            string sql = "update UserImg set typeId=1,messContent = '" + mess + "' where typeId = 0 and addUser = " + userId;
            return DBHelperSQL.ExecuteSql(sql);
        }
		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public static bool Exists(int id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from UserImg");
			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.UserImg model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into UserImg(");
			strSql.Append("typeId,typeName,messTitle,messContent,imgUrl,status,remark,addTime,addUser,infoType)");