protected override void OnLoad(EventArgs e)
{
try
{
base.OnLoad(e);
// Response.Buffer = true;
// Response.BufferOutput = true;
Response.Clear();
Response.ClearHeaders();
Response.Buffer = false;
SysAttachment obj = this.GetAttachment();
// 解决文件名乱码问题。
string Original_File_Name = System.Web.HttpUtility.UrlEncode(obj.OriginalFileName, System.Text.Encoding.UTF8);
this.Response.ContentType = obj.ContentType;
this.Response.AddHeader("Content-Disposition", "attachment;filename=" + Original_File_Name);
this.Response.AddHeader("Content-Length", obj.FileSize.ToString());
string file_path = this.GetFilePath(obj);
this.Response.WriteFile(file_path);
//this.Response.End();
System.Web.HttpContext.Current.ApplicationInstance.CompleteRequest();
}
catch (Exception ex)
{
SimpleFlow.SystemFramework.Log.WriteLog(ex);
this.Response.Redirect("~/Communication.aspx");
}
}
/// <summary>
/// 将上传文件加到某个批次
/// </summary>
/// <param name="curr_user"></param>
/// <param name="postedFile"></param>
/// <param name="batch_id"></param>
/// <returns></returns>
public static SysAttachment InsertAttachment(SysAttachment item, SysBatchUpload batch_entity)
{
SqlConnection conn = new SqlConnection(Config.ConnectionString);
conn.Open();
try
{
SqlTransaction trans = conn.BeginTransaction();
try
{
SqlHelper.Insert(trans, item);
SqlHelper.Insert(trans, batch_entity);
trans.Commit();
}
catch (Exception ex)
{
trans.Rollback();
throw ex;
}
}
finally
{
conn.Close();
}
return(item);
}
protected void btnUpload_Click(object sender, EventArgs e)
{
if ((updFile.PostedFile != null) && (!string.IsNullOrEmpty(updFile.PostedFile.FileName)))
{
SysAttachment item = AttachmentBiz.InsertAttachment(this.GetCurrentUserInfo(), updFile.PostedFile);
List <SysAttachment> attachList = new List <SysAttachment>();
if (this.ViewState["Attachments"] != null)
{
attachList.AddRange(this.ViewState["Attachments"] as SysAttachment[]);
}
attachList.Add(item);
this.ViewState["Attachments"] = attachList.ToArray();
this.GridView1.DataSource = attachList;
this.GridView1.DataBind();
this.txtFileList.Value = this.AttachmentList2String(attachList);
if (this.txtAllowMoreFiles.Value != "Y")
{
this.txtCloseOnLoad.Value = "Y";
}
}
}
private string GetFilePath(SysAttachment obj)
{
string base_dir = AttachmentBiz.GetDocPath(obj.PathId);
string file_dir = System.IO.Path.Combine(base_dir, obj.CurrentFileDir);
string file_path = System.IO.Path.Combine(file_dir, obj.CurrentFileName);
return(file_path);
}
public List <SysAttachment> GetAttachments()
{
List <SysAttachment> list = new List <SysAttachment>();
SysAttachment item = AttachmentBiz.GetAttachment(this.AttachmentID);
list.Add(item);
return(list);
}
private void insert_one_file(FileUpload file_upload, SysUserInfo curr_user, string batch_id)
{
if ((file_upload.PostedFile != null) &&
(!string.IsNullOrEmpty(file_upload.PostedFile.FileName)))
{
SysAttachment attachment = AttachmentBiz.InsertAttachment(curr_user,
file_upload.PostedFile, batch_id);
}
}
/// <summary>
/// 将上传文件加到某个批次
/// </summary>
/// <param name="curr_user"></param>
/// <param name="postedFile"></param>
/// <param name="batch_id"></param>
/// <returns></returns>
public static SysAttachment InsertAttachment(SysUserInfo curr_user, System.Web.HttpPostedFile postedFile, string batch_id)
{
string originalFilePath = postedFile.FileName;
// save file
// get user's site
SysSiteList site_entity = AttachmentDataAccess.GetSysSiteList(curr_user.SiteSerial);
if (site_entity == null)
{
throw new ApplicationException(string.Format("site [{0}] does not exists.", curr_user.SiteSerial));
}
// get site's upload path
SysDocPath doc_path_entity = AttachmentDataAccess.GetSysDocPath(site_entity.CurrentUploadPathId);
if (doc_path_entity == null)
{
throw new ApplicationException(string.Format("path_id [{0}]does not configed in db.", site_entity.CurrentUploadPathId));
}
string baseDir = doc_path_entity.DocPath;
// get child dir
DateTime dt_now = DateTime.Now;
string subDir = dt_now.ToString("yyyyMM");
string fileDir = Path.Combine(baseDir, subDir);
if (!System.IO.Directory.Exists(fileDir))
{
System.IO.Directory.CreateDirectory(fileDir);
}
string attachmentId = System.Guid.NewGuid().ToString("D");
string currentFileName = attachmentId + Path.GetExtension(originalFilePath);
string currentFilePath = Path.Combine(fileDir, currentFileName);
postedFile.SaveAs(currentFilePath);
SysAttachment item = new SysAttachment();
item.AttachmentId = attachmentId;
item.CurrentFileName = currentFileName;
item.CurrentFileDir = subDir;
item.FileSize = postedFile.ContentLength;
// postedFile.
item.OriginalFileName = Path.GetFileName(originalFilePath);
item.UploadTime = dt_now;
item.UploadUser = curr_user.UserId;
item.ContentType = postedFile.ContentType;
item.PathId = site_entity.CurrentUploadPathId;
item.FileExtension = Path.GetExtension(originalFilePath);
SysBatchUpload batch_entity = new SysBatchUpload(batch_id, attachmentId);
AttachmentDataAccess.InsertAttachment(item, batch_entity);
return(item);
}
/// <summary>
/// 删除批次中的某个文件
/// </summary>
/// <param name="batch_id"></param>
/// <param name="attachment_id"></param>
public static void DeleteBatchAttachment(string batch_id, string attachment_id)
{
List <string> file_list = new List <string>(1);
SqlConnection conn = new SqlConnection(Config.ConnectionString);
conn.Open();
try
{
SqlTransaction trans = conn.BeginTransaction();
try
{
SysAttachment attr = SqlHelper.Retrieve(trans, new SysAttachment(attachment_id));
if (attr != null)
{
file_list.Add(GetFilePath(attr));
SqlHelper.Delete(trans, attr);
}
SqlHelper.Delete(trans, new SysBatchUpload(batch_id, attachment_id));
trans.Commit();
}
catch (Exception ex)
{
trans.Rollback();
throw ex;
}
}
finally
{
conn.Close();
}
foreach (string file_path in file_list)
{
try
{
System.IO.File.Delete(file_path);
}
catch (Exception ex)
{
SimpleFlow.SystemFramework.Log.WriteLog(ex);
}
}
}
private string AttachmentList2String(List <SysAttachment> attachList)
{
StringBuilder sb = new StringBuilder(100);
for (int i = 0; i < attachList.Count; i++)
{
SysAttachment obj = attachList[i];
if (i > 0)
{
sb.Append(";");
}
sb.Append(Microsoft.JScript.GlobalObject.escape(obj.AttachmentId));
sb.Append("=");
sb.Append(Microsoft.JScript.GlobalObject.escape(obj.OriginalFileName));
}
return(sb.ToString());
}
public ActionResult SaveData(string RelationID, List <SysAttachment> files)
{
try
{
if (string.IsNullOrEmpty(RelationID))
{
return(Json(new { Code = 1, Msg = "保存失败，关联ID不能为空" }));
}
//先删除
var models = dbContext.SysAttachment.Where(x => x.RelationId == RelationID);
if (models != null)
{
dbContext.SysAttachment.RemoveRange(models);
}
dbContext.SaveChanges();
if (files == null || files.Count == 0)
{
return(Json(new { Code = 0, Msg = "保存成功" }));
}
var users = dbContext.SysUser.ToList();
//后添加
for (int i = 0; i < files.Count; i++)
{
SysAttachment model = files[i];
model.RelationId = RelationID;
model.Status = 0;
model.Size = 0;
model.CreateBy = string.IsNullOrEmpty(model.CreateBy) ? Convert.ToString(SSOClient.UserId) : model.CreateBy;
model.CreateByName = users.FirstOrDefault(t => t.UserId.ToString() == model.CreateBy).UserName;
dbContext.SysAttachment.Add(model);
}
dbContext.SaveChanges();
return(Json(new { Code = 0, Msg = "保存成功", Data = files }));
}
catch (Exception ex)
{
LogHelper.SaveLog(ex);
return(Json(new { Code = 1, Msg = "服务器异常，请联系管理员！" }));
}
}
public async System.Threading.Tasks.Task <JsonResult> Upload()
{
try
{
IFormFile file = Request.Form.Files[0];
Guid fileId = Guid.NewGuid();
DateTime nowDate = DateTime.Now;
string path = string.Format("/UploadFiles/{0:yyyyMMdd}/{1}", nowDate, fileId);
string url = string.Format("{0}/{1}", path, file.FileName);
// 服务器的存储全路径
string destFileName = MapPath(url);
// 创建目录路径
if (!Directory.Exists(Path.GetDirectoryName(destFileName)))
{
Directory.CreateDirectory(Path.GetDirectoryName(destFileName));
}
SysAttachment fileData = new SysAttachment();
fileData.Id = fileId;
//fileDatas.RelationID = "";
fileData.Name = file.FileName;
fileData.Names = "";
fileData.Url = url;
fileData.Type = 0;
fileData.Suffix = Path.GetExtension(file.FileName).ToLower();
fileData.Path = path;
fileData.Status = 0;
fileData.Size = 0;
fileData.CreateBy = "";
fileData.CreateByName = SSOClient.User.UserName;
fileData.CreateTime = nowDate;
using (var stream = System.IO.File.Create(destFileName))
{
await file.CopyToAsync(stream);
}
// 图片文件扩展名验证正则表达式
Regex regexExtension = new Regex(@".*\.(jpg|jpeg|png|gif|bmp)");
if (regexExtension.IsMatch(destFileName.ToLower()))
{
string ThumbnailSizes = Request.Form["thumbnailSizes"].FirstOrDefault();
string[] ThumbnailSizeArr = new string[] { };
//生成缩略图
if (!string.IsNullOrEmpty(ThumbnailSizes) && (ThumbnailSizeArr = ThumbnailSizes.Split(';')).Length > 0)
{
string[] fileNamesArr = new string[ThumbnailSizeArr.Length];
for (int i = 0; i < ThumbnailSizeArr.Length; i++)
{
string size = ThumbnailSizeArr[i];
string ThumbFileName = Path.GetFileNameWithoutExtension(url) + "_" + size + fileData.Suffix;
string ThumbPath = url.Replace(Path.GetFileName(url), ThumbFileName);
ThumbnailHelper.MakeThumbnail(Convert.ToInt32(size), MapPath(url), MapPath(ThumbPath));
fileNamesArr[i] = ThumbFileName;
}
fileData.Names = string.Join("|", fileNamesArr);
}
}
return(Json(new { Code = 0, Msg = "", Data = fileData }));
}
catch (Exception ex)
{
LogHelper.SaveLog(ex);
return(Json(new { Code = 1, Msg = "服务器异常，请联系管理员！" }));
}
}
public async Task <JsonResult> Upload()
{
try
{
IFormFile file = Request.Form.Files[0];
Guid fileId = Guid.NewGuid();
DateTime nowDate = DateTime.Now;
string path = string.Format("/uploadfiles/{0:yyyy/MMdd}/{1}", nowDate, fileId);
string url = string.Format("{0}/{1}", path, file.FileName);
// 服务器的存储全路径
string destFileName = MapPath(url);
// 创建目录路径
if (!Directory.Exists(Path.GetDirectoryName(destFileName)))
{
Directory.CreateDirectory(Path.GetDirectoryName(destFileName));
}
SysAttachment fileData = new SysAttachment();
fileData.Id = fileId;
//fileDatas.RelationID = "";
fileData.Name = file.FileName;
fileData.Names = "";
fileData.Url = url;
fileData.Type = 0;
fileData.Suffix = Path.GetExtension(file.FileName).ToLower();
fileData.Path = path;
fileData.Status = 0;
fileData.Size = 0;
fileData.CreateBy = "";
fileData.CreateByName = SSOClient.User.UserName;
fileData.CreateTime = nowDate;
string ThumbnailSizes = Request.Form["thumbnailSizes"].FirstOrDefault();
if (string.IsNullOrEmpty(FileServiceUrl))
{
//保存本地
using (var stream = System.IO.File.Create(destFileName))
{
await file.CopyToAsync(stream);
}
// 图片文件扩展名验证正则表达式
Regex regexExtension = new Regex(@".*\.(jpg|jpeg|png|gif|bmp)");
if (regexExtension.IsMatch(destFileName.ToLower()))
{
string[] ThumbnailSizeArr = new string[] { };
//生成缩略图
if (!string.IsNullOrEmpty(ThumbnailSizes) && (ThumbnailSizeArr = ThumbnailSizes.Split(';')).Length > 0)
{
string[] fileNamesArr = new string[ThumbnailSizeArr.Length];
for (int i = 0; i < ThumbnailSizeArr.Length; i++)
{
string size = ThumbnailSizeArr[i];
string ThumbFileName = Path.GetFileNameWithoutExtension(url) + "_" + size + fileData.Suffix;
string ThumbPath = url.Replace(Path.GetFileName(url), ThumbFileName);
ThumbnailHelper.MakeThumbnail(Convert.ToInt32(size), MapPath(url), MapPath(ThumbPath));
fileNamesArr[i] = ThumbFileName;
}
fileData.Names = string.Join("|", fileNamesArr);
}
}
}
else
{
//保存文件服务器
HttpClient client = new HttpClient();
MultipartFormDataContent form = new MultipartFormDataContent();
byte[] uploadFileBytes = new byte[file.Length];
file.OpenReadStream().Read(uploadFileBytes, 0, (int)file.Length);
MemoryStream stream = new MemoryStream(uploadFileBytes);
StreamContent fileContent = new StreamContent(stream);
fileContent.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
fileContent.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data");
fileContent.Headers.ContentDisposition.FileName = url;
form.Add(fileContent);
StringContent thumbnailSizes = new StringContent(ThumbnailSizes);
thumbnailSizes.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data");
thumbnailSizes.Headers.ContentDisposition.Name = "thumbnailSizes";
form.Add(thumbnailSizes);
HttpResponseMessage res = client.PostAsync(FileServiceUrl, form).Result;
var json = res.Content.ReadAsStringAsync().Result;
JObject result = JObject.Parse(json);
fileData.Path = (string)result["data"]["path"];
fileData.Names = (string)result["data"]["names"];
fileData.Url = (string)result["data"]["url"];
}
return(Json(new { Code = 0, Msg = "", Data = fileData }));
}
catch (Exception ex)
{
LogHelper.SaveLog(ex);
return(Json(new { Code = 1, Msg = "服务器异常，请联系管理员！" }));
}
}
public static void InsertAttachment(SysAttachment item)
{
SqlHelper.Insert(Config.ConnectionString, item);
}
private static string GetFilePath(SysAttachment att)
{
string dir = System.IO.Path.Combine(GetDocPath(att.PathId), att.CurrentFileDir);
return(System.IO.Path.Combine(dir, att.CurrentFileName));
}
internal static void InsertAttachment(SysAttachment item)
{
AttachmentDataAccess.InsertAttachment(item);
}
