/// <summary>
/// ckeditor 上传图片
/// </summary>
/// <returns></returns>
public async Task <IActionResult> CKUploadImage()
{
string callback = Request.Query["CKEditorFuncNum"];//要求返回值
var upload = Request.Form.Files[0];
//string tpl = "<script type=\"text/javascript\">window.parent.CKEDITOR.tools.callFunction(\"{1}\", \"{0}\", \"{2}\");</script>";
CKFileUploadError errorJson = new CKFileUploadError();
if (upload == null)
{
errorJson.error.message = "请选择一张图片!";
return(Json(errorJson));
}
//判断是否是图片类型
List <string> imgtypelist = new List <string> {
"image/pjpeg", "image/png", "image/x-png", "image/gif", "image/bmp", "image/jpeg"
};
if (imgtypelist.FindIndex(x => x == upload.ContentType) == -1)
{
errorJson.error.message = "请选择一张图片!";
return(Json(errorJson));
//return Content(string.Format(tpl, "", callback, "请上传一张图片！"), "text/html");
}
var data = Request.Form.Files["upload"];
string filepath = $"{_env.WebRootPath}{Path.DirectorySeparatorChar}{attach.AttachPatch}{Path.DirectorySeparatorChar}images{Path.DirectorySeparatorChar}";
string thumbsFilePath = $"{_env.WebRootPath}{Path.DirectorySeparatorChar}{attach.AttachPatch}{Path.DirectorySeparatorChar}_thumbs{Path.DirectorySeparatorChar}images{Path.DirectorySeparatorChar}";
//根据附件配置，设置上传图片目录
string imgPath = DateTime.Now.Year.ToString();//默认按年
switch (attach.SaveType)
{
case 1: //按月份
imgPath = $"{DateTime.Now.Year.ToString()}{Path.DirectorySeparatorChar}{DateTime.Now.ToString("MM")}";
break;
case 2:
imgPath = $"{DateTime.Now.Year.ToString()}{Path.DirectorySeparatorChar}{DateTime.Now.ToString("MM")}{Path.DirectorySeparatorChar}{DateTime.Now.ToString("dd")}";
break;
}
filepath += imgPath; //存放路径
thumbsFilePath += imgPath; //缩略图路径
string sFileNameNoExt = Utils.GetFileNameWithoutExtension(upload.FileName); //文件名字，不带扩展名
string sFullExtension = Utils.GetFileExtName(upload.FileName); //扩展名
//图片名字
string imgname = Utils.GetOrderNum() + Utils.GetFileExtName(upload.FileName);
switch (attach.IsRandomFileName)
{
case 0: //不随机
imgname = upload.FileName;
//判断是否存在
if (System.IO.File.Exists(Path.Combine(filepath, imgname)))
{
imgname = sFileNameNoExt + "(1)" + sFullExtension;
}
break;
case 1: //随机字符串
imgname = Utils.GetShortGUId() + sFullExtension;
break;
case 2: //时间
imgname = Utils.GetOrderNum() + sFullExtension;
break;
}
string fullpath = Path.Combine(filepath, imgname); //图片
string fullThumbPath = Path.Combine(thumbsFilePath, imgname); //缩略图
try
{
//判断路径
if (!Directory.Exists(filepath))
{
Directory.CreateDirectory(filepath);
}
//缩略图路径
if (!Directory.Exists(thumbsFilePath))
{
Directory.CreateDirectory(thumbsFilePath);
}
if (data != null)
{
await Task.Run(() =>
{
using (FileStream fs = new FileStream(fullpath, FileMode.Create))
{
data.CopyTo(fs);
}
});
//生成缩略图
if (attach.IsCreateThum == 1)
{
ThumbnailHelper.MakeThumbnailImage(fullpath, fullThumbPath, attach.ThumMaxWidth, attach.ThumMaxHeight, ThumbnailHelper.CutMode.Cut);
}
//添加水印
if (attach.IsWaterMark == 1 && !string.IsNullOrEmpty(attach.WaterMarkImg))
{
string watermarkimg = _env.WebRootPath + attach.WaterMarkImg.Replace("/", Path.DirectorySeparatorChar.ToString());
if (System.IO.File.Exists(watermarkimg))
{
//先复制一张图片出来
string copyfullpath = fullpath.Replace(sFullExtension, "_copy" + sFullExtension);
System.IO.File.Copy(fullpath, copyfullpath);
Image waterpic = new Bitmap(watermarkimg);
Image srcPic = new Bitmap(copyfullpath);
if (waterpic.Width < srcPic.Width && waterpic.Height < srcPic.Height)
{
waterpic.Dispose();
//srcPic.Dispose();
try
{
WatermarkHelper.AddImageSignPic(srcPic, fullpath, watermarkimg, attach.WaterMarkPlace, attach.WaterMarkQty, attach.WaterMarkDiaphaneity);
srcPic.Dispose();
System.IO.File.Delete(copyfullpath);
}
catch
{
if (System.IO.File.Exists(copyfullpath))
{
System.IO.File.Delete(copyfullpath);
}
}
}
else
{
waterpic.Dispose();
srcPic.Dispose();
}
}
}
}
}
catch (Exception ex)
{
errorJson.error.message = "图片上传失败，" + ex.Message + "!";
return(Json(errorJson));
//return Content(string.Format(tpl, "", callback, "图片上传失败：" + ex.Message), "text/html");
}
dynamic successJson = new
{
fileName = imgname,
uploaded = 1,
url = $"/{attach.AttachPatch}/images/{imgPath.Replace("\\", "/")}/" + imgname
};
return(Json(successJson));
//{"fileName":"20180413145904.png","uploaded":1,"url":"\/userfiles\/files\/Public%20Folder\/20180413145904.png"}
//return Content(string.Format(tpl, $"/{attach.AttachPatch}/images/{imgPath.Replace("\\", "/")}/" + imgname, callback, ""), "text/html");
}
public async Task <IActionResult> CKUploadFile()
{
string callback = Request.Query["CKEditorFuncNum"];//要求返回值
var upload = Request.Form.Files[0];
//string tpl = "<script type=\"text/javascript\">window.parent.CKEDITOR.tools.callFunction(\"{1}\", \"{0}\", \"{2}\");</script>";
CKFileUploadError errorJson = new CKFileUploadError();
if (upload == null)
{
errorJson.error.message = "请选择一个文件！";
return(Json(errorJson));
}
//return Content(string.Format(tpl, "", callback, "请选择一个文件！"), "text/html");
string sFileNameNoExt = Utils.GetFileNameWithoutExtension(upload.FileName); //文件名字，不带扩展名
string sFullExtension = Utils.GetFileExtName(upload.FileName); //扩展名
if (string.IsNullOrEmpty(sFullExtension))
{
errorJson.error.message = "错误的文件类型！";
return(Json(errorJson));
//return Content(string.Format(tpl, "", callback, $"错误的文件类型！"), "text/html");
}
//判断是否是允许文件扩展名
string sAllowedExtensions = _attachsetting.FileAllowedExtensions;
List <string> listAllowedExtensions = new List <string>();
string[] arrAllowedExtensions = sAllowedExtensions.Split(new string[] { "," }, StringSplitOptions.None);
if (arrAllowedExtensions != null && arrAllowedExtensions.Length > 0)
{
foreach (var s in arrAllowedExtensions)
{
listAllowedExtensions.Add(s);
}
}
if (listAllowedExtensions.Find(x => x == sFullExtension.ToLower().Replace(".", "")) == null)
{
errorJson.error.message = $"{sFullExtension}的文件类型，不允许上传！";
return(Json(errorJson));
//return Content(string.Format(tpl, "", callback, $"{sFullExtension}的文件类型，不允许上传！"), "text/html");
}
//判断是否是图片，如果是图片，后面需要生成缩略图并可能的话，就加上水印
bool isImage = false;
//判断是否是图片类型
List <string> imgtypelist = new List <string> {
"image/pjpeg", "image/png", "image/x-png", "image/gif", "image/bmp"
};
if (imgtypelist.FindIndex(x => x == upload.ContentType) >= 0)
{
isImage = true;
}
var data = Request.Form.Files["upload"];
string filepath = $"{_env.WebRootPath}{Path.DirectorySeparatorChar}{attach.AttachPatch}{Path.DirectorySeparatorChar}files{Path.DirectorySeparatorChar}";
string thumbsFilePath = $"{_env.WebRootPath}{Path.DirectorySeparatorChar}{attach.AttachPatch}{Path.DirectorySeparatorChar}_thumbs{Path.DirectorySeparatorChar}files{Path.DirectorySeparatorChar}";
//根据附件配置，设置上传图片目录
string imgPath = DateTime.Now.Year.ToString();//默认按年
switch (attach.SaveType)
{
case 1: //按月份
imgPath = $"{DateTime.Now.Year.ToString()}{Path.DirectorySeparatorChar}{DateTime.Now.ToString("MM")}";
break;
case 2:
imgPath = $"{DateTime.Now.Year.ToString()}{Path.DirectorySeparatorChar}{DateTime.Now.ToString("MM")}{Path.DirectorySeparatorChar}{DateTime.Now.ToString("dd")}";
break;
}
//文件名字
string imgname = Utils.GetOrderNum() + Utils.GetFileExtName(upload.FileName);
switch (attach.IsRandomFileName)
{
case 0: //不随机
imgname = upload.FileName;
//判断是否存在
if (System.IO.File.Exists(Path.Combine(filepath, imgname)))
{
imgname = sFileNameNoExt + "(1)" + sFullExtension;
}
break;
case 1: //随机字符串
imgname = Utils.GetShortGUId() + sFullExtension;
break;
case 2: //时间
imgname = Utils.GetOrderNum() + sFullExtension;
break;
}
string fullpath = Path.Combine(filepath, imgname); //图片
string fullThumbPath = Path.Combine(thumbsFilePath, imgname); //缩略图，可能的话
try
{
//判断路径
if (!Directory.Exists(filepath))
{
Directory.CreateDirectory(filepath);
}
//缩略图路径
if (isImage && !Directory.Exists(thumbsFilePath))
{
Directory.CreateDirectory(thumbsFilePath);
}
if (data != null)
{
await Task.Run(() =>
{
using (FileStream fs = new FileStream(fullpath, FileMode.Create))
{
data.CopyTo(fs);
}
});
//生成缩略图
if (isImage && attach.IsCreateThum == 1)
{
ThumbnailHelper.MakeThumbnailImage(fullpath, fullThumbPath, attach.ThumMaxWidth, attach.ThumMaxHeight, ThumbnailHelper.CutMode.Cut);
}
//添加水印
if (isImage && attach.IsWaterMark == 1 && !string.IsNullOrEmpty(attach.WaterMarkImg))
{
string watermarkimg = _env.WebRootPath + attach.WaterMarkImg.Replace("/", Path.DirectorySeparatorChar.ToString());
if (System.IO.File.Exists(watermarkimg))
{
//先复制一张图片出来
string copyfullpath = fullpath.Replace(sFullExtension, "_copy" + sFullExtension);
System.IO.File.Copy(fullpath, copyfullpath);
Image waterpic = new Bitmap(watermarkimg);
Image srcPic = new Bitmap(copyfullpath);
if (waterpic.Width < srcPic.Width && waterpic.Height < srcPic.Height)
{
waterpic.Dispose();
//srcPic.Dispose();
try
{
WatermarkHelper.AddImageSignPic(srcPic, fullpath, watermarkimg, attach.WaterMarkPlace, attach.WaterMarkQty, attach.WaterMarkDiaphaneity);
srcPic.Dispose();
System.IO.File.Delete(copyfullpath);
}
catch
{
if (System.IO.File.Exists(copyfullpath))
{
System.IO.File.Delete(copyfullpath);
}
}
}
else
{
waterpic.Dispose();
srcPic.Dispose();
}
}
}
}
}
catch (Exception ex)
{
errorJson.error.message = "文件上传失败：" + ex.Message;
return(Json(errorJson));
//return Content(string.Format(tpl, "", callback, "文件上传失败：" + ex.Message), "text/html");
}
dynamic successJson = new
{
fileName = imgname,
uploaded = 1,
url = $"/{attach.AttachPatch}/images/{imgPath.Replace("\\", "/")}/" + imgname
};
return(Json(successJson));
//return Content(string.Format(tpl, $"/{attach.AttachPatch}/fales/{imgPath.Replace("\\", "/")}/" + imgname, callback, ""), "text/html");
}
