/// <summary>
/// 增加一条数据
/// </summary>
public int Add(SmallImgEntity model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into sns_smallImg(");
strSql.Append("ImgUrl,addtime,Status)");
strSql.Append(" values (");
strSql.Append("@ImgUrl,@addtime,@Status)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@ImgUrl", SqlDbType.VarChar, 50),
new SqlParameter("@addtime", SqlDbType.DateTime),
new SqlParameter("@Status", SqlDbType.Int, 4)
};
parameters[0].Value = model.ImgUrl;
parameters[1].Value = model.addtime;
parameters[2].Value = model.Status;
object obj = SqlHelper.Instance.ExecSqlScalar(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
private SmallImgEntity DataRowToModel(DataRow row)
{
SmallImgEntity model = new SmallImgEntity();
if (row != null)
{
if (row["ImgId"] != null && row["ImgId"].ToString() != "")
{
model.ImgId = int.Parse(row["ImgId"].ToString());
}
if (row["ImgUrl"] != null)
{
model.ImgUrl = row["ImgUrl"].ToString();
}
if (row["addtime"] != null && row["addtime"].ToString() != "")
{
model.addtime = DateTime.Parse(row["addtime"].ToString());
}
if (row["Status"] != null && row["Status"].ToString() != "")
{
model.Status = int.Parse(row["Status"].ToString());
}
}
return(model);
}
/// <summary>
/// 获取封面地址
/// </summary>
/// <param name="cover">封面id</param>
/// <returns></returns>
protected string GetCover(string cover)
{
if (!string.IsNullOrEmpty(cover))
{
SmallImgEntity smallImgEntity = SmallImgBll.Instance.GetModel(Convert.ToInt32(cover));
return(smallImgEntity.ImgUrl);
}
return("");
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(SmallImgEntity model)
{
try
{
return(SmallImgDb.Instance.Add(model));
}
catch (Exception ex)
{
WriteLog.WriteError(ex);
throw ex;
}
}
public void ProcessRequest(HttpContext context)
{
string img = context.Request.Form["b"]; //原图base64
string img2 = context.Request.Form["b2"]; //缩略图base64
string s = "{\"status\":\"error\"}";
//获取时间戳
TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
Random ro = new Random();
string tt = Convert.ToInt64(ts.TotalSeconds).ToString() + ro.Next();
ImgEntity imgEntity = new ImgEntity();
imgEntity.ImgUrl = UploadFile.UploadImg(img, "Upload\\COS\\", tt);
imgEntity.addtime = DateTime.Now;
imgEntity.Status = 1;
if ((imgEntity.ImgId = ImgBll.Instance.Add(imgEntity)) > 0)
{
SmallImgEntity smallImgEntity = new SmallImgEntity();
smallImgEntity.ImgUrl = UploadFile.UploadImg(img2, "Upload\\COS\\", tt + "320x180");
smallImgEntity.addtime = DateTime.Now;
smallImgEntity.Status = 1;
if ((smallImgEntity.ImgId = SmallImgBll.Instance.Add(smallImgEntity)) > 0)
{
s = "{\"status\":\"success\",\"imgid\":\"" + imgEntity.ImgId + "\",\"img2id\":\"" + smallImgEntity.ImgId + "\",\"img\":\"" + imgEntity.ImgUrl.Replace("\\", "\\\\") + "\",\"img2\":\"" + smallImgEntity.ImgUrl.Replace("\\", "\\\\") + "\"}";
}
else
{
s = "{\"status\":\"error\"}";
}
}
else
{
s = "{\"status\":\"error\"}";
}
context.Response.ContentType = "text/plain";
context.Response.Write(s);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public SmallImgEntity GetModel(int imgId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 ImgId,ImgUrl,addtime,Status from sns_smallImg ");
strSql.Append(" where ImgId=@ImgId");
SqlParameter[] parameters =
{
new SqlParameter("@ImgId", SqlDbType.Int, 4)
};
parameters[0].Value = imgId;
SmallImgEntity model = new SmallImgEntity();
DataSet ds = SqlHelper.Instance.ExecSqlDataSet(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
