public ActionResult ShowImage(int type, string picid)
{
try
{
if (type > MongoDbNameArray.Length)
{
return(Json(new JsonBaseEntity {
ErrorCode = "10000", ErrorMessage = "上传参数错误！"
}));
}
string mongodbName = MongoDbNameArray[type];
if (string.IsNullOrEmpty(mongodbName))
{
return(Json(new JsonBaseEntity {
ErrorCode = "10000", ErrorMessage = "上传参数错误！"
}));
}
if (!string.IsNullOrWhiteSpace(picid) && Regex.IsMatch(picid, @"[\w\W]+.[jpeg|gif|jpg|png|bmp|pic]", RegexOptions.IgnoreCase) && picid.Length > 32 && MongoDBHelper.ExistsFile(mongodbName, picid))
{
try
{
byte[] filebytearray = MongoDBHelper.GetFileByteArrayByName(mongodbName, picid);
//return File(filebytearray, ContentTypeHelper.GetValue(Path.GetExtension(picid)), picid);//下载图片
return(File(filebytearray, ContentTypeHelper.GetValue(Path.GetExtension(picid))));
}
catch (Exception ex)
{
logger.ErrorFormat("function:{0}，location:{1},params:id={2},Message={3},StackTrace={4},Source={5}", "GET", "MongoDBLegacyHelper.GetFileByteArrayByName", picid, ex.Message, ex.StackTrace, ex.Source);
return(new EmptyResult());
}
}
else
{
string filename = string.IsNullOrEmpty(picid) ? "beijing1.jpg" : picid;
if (filename.Length > 32)
{
filename = "beijing1.jpg";
}
return(JavaScript("windows.loaction.href='" + string.Format("{0}/images/personalhomepage/big/{1}", CommonHelper.GetConfigValue("SourceAction"), filename) + "'"));
}
}
catch (Exception ex)
{
logger.ErrorFormat("function:{0}，location:{1},params:id={2},Message={3},StackTrace={4},Source={5}", "ShowImage", "MongoDBLegacyHelper.ExistsFile", picid, ex.Message, ex.StackTrace, ex.Source);
return(new EmptyResult());
}
finally
{
}
}
/// <summary>
/// 根据文件名，获取一个ContentType
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public static string GetContentType(string fileName)
{
string contentType = "";
string extensionName = Path.GetExtension(fileName);
if (string.IsNullOrEmpty(extensionName))
{
contentType = "";
}
else
{
contentType = ContentTypeHelper.GetValue(extensionName);
}
return(contentType);
}