public IList <PictureServiceLinkInfo> GetList()
{
StringBuilder sb = new StringBuilder(250);
sb.Append(@"select Id,FileName,FileSize,FileExtension,FileDirectory,RandomFolder,LastUpdatedDate
from Picture_ServiceLink
order by LastUpdatedDate desc " );
IList <PictureServiceLinkInfo> list = new List <PictureServiceLinkInfo>();
using (SqlDataReader reader = SqlHelper.ExecuteReader(SqlHelper.SqlProviderConnString, CommandType.Text, sb.ToString()))
{
if (reader != null && reader.HasRows)
{
while (reader.Read())
{
PictureServiceLinkInfo model = new PictureServiceLinkInfo();
model.Id = reader.GetGuid(0);
model.FileName = reader.GetString(1);
model.FileSize = reader.GetInt32(2);
model.FileExtension = reader.GetString(3);
model.FileDirectory = reader.GetString(4);
model.RandomFolder = reader.GetString(5);
model.LastUpdatedDate = reader.GetDateTime(6);
list.Add(model);
}
}
}
return(list);
}
public int Update(PictureServiceLinkInfo model)
{
StringBuilder sb = new StringBuilder(250);
sb.Append(@"update Picture_ServiceLink set FileName = @FileName,FileSize = @FileSize,FileExtension = @FileExtension,FileDirectory = @FileDirectory,RandomFolder = @RandomFolder,LastUpdatedDate = @LastUpdatedDate
where Id = @Id
" );
SqlParameter[] parms =
{
new SqlParameter("@Id", SqlDbType.UniqueIdentifier),
new SqlParameter("@FileName", SqlDbType.NVarChar, 100),
new SqlParameter("@FileSize", SqlDbType.Int),
new SqlParameter("@FileExtension", SqlDbType.VarChar, 10),
new SqlParameter("@FileDirectory", SqlDbType.NVarChar, 100),
new SqlParameter("@RandomFolder", SqlDbType.VarChar, 20),
new SqlParameter("@LastUpdatedDate", SqlDbType.DateTime)
};
parms[0].Value = model.Id;
parms[1].Value = model.FileName;
parms[2].Value = model.FileSize;
parms[3].Value = model.FileExtension;
parms[4].Value = model.FileDirectory;
parms[5].Value = model.RandomFolder;
parms[6].Value = model.LastUpdatedDate;
return(SqlHelper.ExecuteNonQuery(SqlHelper.SqlProviderConnString, CommandType.Text, sb.ToString(), parms));
}
public int Insert(PictureServiceLinkInfo model)
{
StringBuilder sb = new StringBuilder(250);
sb.Append(@"insert into Picture_ServiceLink (FileName,FileSize,FileExtension,FileDirectory,RandomFolder,LastUpdatedDate)
values
(@FileName,@FileSize,@FileExtension,@FileDirectory,@RandomFolder,@LastUpdatedDate)
" );
SqlParameter[] parms =
{
new SqlParameter("@FileName", SqlDbType.NVarChar, 100),
new SqlParameter("@FileSize", SqlDbType.Int),
new SqlParameter("@FileExtension", SqlDbType.VarChar, 10),
new SqlParameter("@FileDirectory", SqlDbType.NVarChar, 100),
new SqlParameter("@RandomFolder", SqlDbType.VarChar, 20),
new SqlParameter("@LastUpdatedDate", SqlDbType.DateTime)
};
parms[0].Value = model.FileName;
parms[1].Value = model.FileSize;
parms[2].Value = model.FileExtension;
parms[3].Value = model.FileDirectory;
parms[4].Value = model.RandomFolder;
parms[5].Value = model.LastUpdatedDate;
return(SqlHelper.ExecuteNonQuery(SqlHelper.SqlProviderConnString, CommandType.Text, sb.ToString(), parms));
}
public IList <PictureServiceLinkInfo> GetList(string sqlWhere, params SqlParameter[] cmdParms)
{
StringBuilder sb = new StringBuilder(250);
sb.Append(@"select Id,FileName,FileSize,FileExtension,FileDirectory,RandomFolder,LastUpdatedDate
from Picture_ServiceLink ");
if (!string.IsNullOrEmpty(sqlWhere))
{
sb.AppendFormat(" where 1=1 {0} ", sqlWhere);
}
IList <PictureServiceLinkInfo> list = new List <PictureServiceLinkInfo>();
using (SqlDataReader reader = SqlHelper.ExecuteReader(SqlHelper.SqlProviderConnString, CommandType.Text, sb.ToString(), cmdParms))
{
if (reader != null && reader.HasRows)
{
while (reader.Read())
{
PictureServiceLinkInfo model = new PictureServiceLinkInfo();
model.Id = reader.GetGuid(0);
model.FileName = reader.GetString(1);
model.FileSize = reader.GetInt32(2);
model.FileExtension = reader.GetString(3);
model.FileDirectory = reader.GetString(4);
model.RandomFolder = reader.GetString(5);
model.LastUpdatedDate = reader.GetDateTime(6);
list.Add(model);
}
}
}
return(list);
}
public PictureServiceLinkInfo GetModel(object Id)
{
PictureServiceLinkInfo model = null;
StringBuilder sb = new StringBuilder(300);
sb.Append(@"select top 1 Id,FileName,FileSize,FileExtension,FileDirectory,RandomFolder,LastUpdatedDate
from Picture_ServiceLink
where Id = @Id " );
SqlParameter parm = new SqlParameter("@Id", SqlDbType.UniqueIdentifier);
parm.Value = Guid.Parse(Id.ToString());
using (SqlDataReader reader = SqlHelper.ExecuteReader(SqlHelper.SqlProviderConnString, CommandType.Text, sb.ToString(), parm))
{
if (reader != null)
{
while (reader.Read())
{
model = new PictureServiceLinkInfo();
model.Id = reader.GetGuid(0);
model.FileName = reader.GetString(1);
model.FileSize = reader.GetInt32(2);
model.FileExtension = reader.GetString(3);
model.FileDirectory = reader.GetString(4);
model.RandomFolder = reader.GetString(5);
model.LastUpdatedDate = reader.GetDateTime(6);
}
}
}
return(model);
}
public IList <PictureServiceLinkInfo> GetList(int pageIndex, int pageSize, out int totalRecords, string sqlWhere, params SqlParameter[] cmdParms)
{
StringBuilder sb = new StringBuilder(250);
sb.Append(@"select count(*) from Picture_ServiceLink ");
if (!string.IsNullOrEmpty(sqlWhere))
{
sb.AppendFormat(" where 1=1 {0} ", sqlWhere);
}
totalRecords = (int)SqlHelper.ExecuteScalar(SqlHelper.SqlProviderConnString, CommandType.Text, sb.ToString(), cmdParms);
if (totalRecords == 0)
{
return(new List <PictureServiceLinkInfo>());
}
sb.Clear();
int startIndex = (pageIndex - 1) * pageSize + 1;
int endIndex = pageIndex * pageSize;
sb.Append(@"select * from(select row_number() over(order by LastUpdatedDate desc) as RowNumber,
Id,FileName,FileSize,FileExtension,FileDirectory,RandomFolder,LastUpdatedDate
from Picture_ServiceLink " );
if (!string.IsNullOrEmpty(sqlWhere))
{
sb.AppendFormat(" where 1=1 {0} ", sqlWhere);
}
sb.AppendFormat(@")as objTable where RowNumber between {0} and {1} ", startIndex, endIndex);
IList <PictureServiceLinkInfo> list = new List <PictureServiceLinkInfo>();
using (SqlDataReader reader = SqlHelper.ExecuteReader(SqlHelper.SqlProviderConnString, CommandType.Text, sb.ToString(), cmdParms))
{
if (reader != null && reader.HasRows)
{
while (reader.Read())
{
PictureServiceLinkInfo model = new PictureServiceLinkInfo();
model.Id = reader.GetGuid(1);
model.FileName = reader.GetString(2);
model.FileSize = reader.GetInt32(3);
model.FileExtension = reader.GetString(4);
model.FileDirectory = reader.GetString(5);
model.RandomFolder = reader.GetString(6);
model.LastUpdatedDate = reader.GetDateTime(7);
list.Add(model);
}
}
}
return(list);
}
private void OnUploadPictureServiceLink(HttpContext context)
{
context.Response.ContentType = "text/plain";
string errorMsg = "";
try
{
HttpFileCollection files = context.Request.Files;
if (files.Count == 0)
{
context.Response.Write("{\"success\": false,\"message\": \"未找到任何可上传的文件，请检查！\"}");
return;
}
int effect = 0;
UploadFilesHelper ufh = new UploadFilesHelper();
ImagesHelper ih = new ImagesHelper();
using (TransactionScope scope = new TransactionScope())
{
foreach (string item in files.AllKeys)
{
HttpPostedFile file = files[item];
if (file == null || file.ContentLength == 0)
{
continue;
}
int fileSize = file.ContentLength;
int uploadFileSize = int.Parse(WebConfigurationManager.AppSettings["UploadFileSize"]);
if (fileSize > uploadFileSize)
{
throw new ArgumentException("文件【" + file.FileName + "】大小超出字节" + uploadFileSize + "，无法上传，请正确操作！");
}
if (!UploadFilesHelper.IsFileValidated(file.InputStream, fileSize))
{
throw new ArgumentException("文件【" + file.FileName + "】为受限制的文件，请正确操作！");
}
string fileName = file.FileName;
PictureServiceLink bll = new PictureServiceLink();
if (bll.IsExist(file.FileName, fileSize))
{
throw new ArgumentException("文件【" + file.FileName + "】已存在，请勿重复上传！");
}
string originalUrl = UploadFilesHelper.UploadOriginalFile(file, "PictureServiceLink");
//获取随机生成的文件名代码
string randomFolder = string.Format("{0}_{1}", DateTime.Now.ToString("MMdd"), UploadFilesHelper.GetRandomFolder("slp"));
PictureServiceLinkInfo model = new PictureServiceLinkInfo();
model.FileName = VirtualPathUtility.GetFileName(originalUrl);
model.FileSize = fileSize;
model.FileExtension = VirtualPathUtility.GetExtension(originalUrl).ToLower();
model.FileDirectory = VirtualPathUtility.GetDirectory(originalUrl.Replace("~", ""));
model.RandomFolder = randomFolder;
model.LastUpdatedDate = DateTime.Now;
bll.Insert(model);
CreateThumbnailImage(context, ih, originalUrl, model.FileDirectory, model.RandomFolder, model.FileExtension);
effect++;
}
scope.Complete();
}
if (effect == 0)
{
context.Response.Write("{\"success\": false,\"message\": \"未找到任何可上传的文件，请检查！\"}");
return;
}
context.Response.Write("{\"success\": true,\"message\": \"已成功上传文件数：" + effect + "个\"}");
return;
}
catch (Exception ex)
{
errorMsg = ex.Message;
}
context.Response.Write("{\"success\": false,\"message\": \"" + errorMsg + "\"}");
}
/// <summary>
/// 修改数据
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public int Update(PictureServiceLinkInfo model)
{
return(dal.Update(model));
}
/// <summary>
/// 添加数据到数据库
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public int Insert(PictureServiceLinkInfo model)
{
return(dal.Insert(model));
}