/// <summary>
/// 获取在线预览链接
/// </summary>
/// <param name="path">文件路径例如：20190529\6843a10a-c21c-47f8-82dd-0ed3e77a2eff.png</param>
/// <returns></returns>
public string GetLink(string path)
{
#region 非office文件类不需要在线预览链接,直接返回参数
var fileExtension = Path.GetExtension(path);
if (".png;.jpg;.jpeg;.gif;.txt".Contains(fileExtension.ToLower()))
{
return(path);
}
#endregion
#region 获取office文件在线预览链接
WOPI wopi = new WOPI(service);
//var config = service.GetDicItemsByCode("FileServer");
var fileserver = _dictionaryContext[SettingType.FileServer, SettingVariable.FileServerPath]; // config.First(f => f.Name == "FileServerPath").Value;
var account = _dictionaryContext[SettingType.FileServer, SettingVariable.Account]; // config.First(f => f.Name == "Account").Value;
var password = _dictionaryContext[SettingType.FileServer, SettingVariable.Password]; // config.First(f => f.Name == "Password").Value;
var kstarFormWebURL = _dictionaryContext[SettingType.EnvironmentVariable, SettingVariable.KStarFormWebURL]; // config.First(f => f.Name == "KstarFormWebURL").Value;
if (!ConnectFileServerHelp.ConnectFileServer(fileserver, account, password))
{
throw new Exception("连接文件服务器失败");
}
var filePath = fileserver + "\\" + path;
//"http://*****:*****@"/wopi/files";
return(wopi.GetLink(filePath, url));
#endregion
}
/// <summary>
/// 校验时效获取文件数据流
/// </summary>
/// <param name="guid">与获取文件路径中的文件名称一致</param>
/// <param name="path"></param>
/// <param name="access_token"></param>
/// <returns></returns>
public FileStreamResult GetFile(Guid guid, string path, string access_token)
{
try
{
string name = Path.GetFileName(path);
WOPI wopi = new WOPI(service);
if (!wopi.Validate(name, access_token))
{
var stream = new MemoryStream(UTF8Encoding.Default.GetBytes(""));
return(File(stream, "application/octet-stream"));
}
//var config = service.GetDicItemsByCode("FileServer");
var fileserver = _dictionaryContext[SettingType.FileServer, SettingVariable.FileServerPath]; // config.First(f => f.Name == "FileServerPath").Value;
var account = _dictionaryContext[SettingType.FileServer, SettingVariable.Account]; // config.First(f => f.Name == "Account").Value;
var password = _dictionaryContext[SettingType.FileServer, SettingVariable.Password]; // config.First(f => f.Name == "Password").Value;
if (ConnectFileServerHelp.ConnectFileServer(fileserver, account, password))
{
var stream = new FileStream(path, FileMode.Open);
var contentType = MimeMapping.GetMimeMapping(path);
return(File(stream, contentType));
}
else
{
throw new Exception("连接文件服务器失败");
}
}
catch (Exception ex)
{
throw ex;
}
}
public ActionResult PreviewOnline(string path)
{
var temp = PartialView("~/Areas/Portal/Views/PreviewOnline.cshtml");
WOPI wopi = new WOPI(service);
var fileserver = _dictionaryContext[SettingType.FileServer, SettingVariable.FileServerPath];
var account = _dictionaryContext[SettingType.FileServer, SettingVariable.Account];
var password = _dictionaryContext[SettingType.FileServer, SettingVariable.Password];
//连接不上报错
if (!ConnectFileServerHelp.ConnectFileServer(fileserver, account, password))
{
throw new Exception("连接文件服务器失败");
}
var filePath = fileserver + "\\" + path;
var fileExtension = Path.GetExtension(path);
if (".png;.jpg;.jpeg;.gif".Contains(fileExtension.ToLower()))
{
FileResponse(filePath, "image" + fileExtension.Replace(".", "/"));
return(temp);
}
if (".txt".Contains(fileExtension.ToLower()))
{
FileResponse(filePath, "text/plain");
return(temp);
}
HttpContext.Response.Write(@"<iframe src='" + path + "' frameborder='0' scrolling='no' id='external-frame' style='height:100%; width:100%; margin-top: -7px;'></iframe>");
return(temp);
}
/// <summary>
/// 获取文件信息
/// </summary>
/// <param name="guid">与获取文件路径中的文件名称一致</param>
/// <param name="path"></param>
/// <param name="access_token"></param>
/// <returns></returns>
public JsonResult GetFileInfo(Guid guid, string path, string access_token)
{
string name = Path.GetFileName(path);
WOPI wopi = new WOPI(service);
if (!wopi.Validate(name, access_token))
{
return(Json(new CheckFileInfo(), JsonRequestBehavior.AllowGet));
}
var fileInfo = wopi.GetFileInfo(path);
fileInfo.SupportsUpdate = false;
fileInfo.UserCanWrite = false;
fileInfo.SupportsLocks = false;
return(Json(fileInfo, JsonRequestBehavior.AllowGet));
}