/// <summary>上传文件，并按设置生成缩略图，水印</summary>
/// <returns></returns>
public bool UploadFile(HttpPostedFile oFile = null)
{
#region 检查设置
if (!this.IsEnabled)
{
SendResponse(500, "");
return(false);
}
if (this.IsChkSrcPost)
{
if (!RequestHelper.ChkSrcPost())
{
SendResponse(501, "");
return(false);
}
}
if (this._savePath.Length < 1)
{
SendResponse(101, "SavePath未设置");
return(false);
}
if (oFile == null)
{
if (this.FilePostName.Length < 1)
{
SendResponse(101, "filePostName未设置");
return(false);
}
}
this._savePath = DirFileHelper.FixDirPath(_savePath) + DateTime.Now.ToString("yyMM") + "/";
bool isOk = DirFileHelper.CheckSaveDir(this._savePath);
if (!isOk)
{
SendResponse(101, "SavePath设置不当:" + this._savePath + ", 或权限不足！");
return(false);
}
#endregion
//------------------------------------------------
#region 获取文件对象
//获取文件对象
if (oFile == null)
{
oFile = HttpContext.Current.Request.Files[FilePostName];
}
if (oFile == null)
{
SendResponse(201, "");
return(false);
}
//------------------------------------------------
//原始文件名;
this.SrcName = Path.GetFileName(oFile.FileName);
#endregion
//------------------------------------------------
#region 检查文件大小
this._fileSize = oFile.ContentLength;
//不能上传小于10字节的内容
if (this.SrcName.Length < 3 || this._fileSize < 10)
{
SendResponse(201, "");
return(false);
}
//检测文件大小是否超过限制
if (this._fileSize > (this._maxSize * 1024))
{
SendResponse(301, "");
return(false);
}
#endregion
//------------------------------------------------
#region 检查文件类型
this.FileExt = Path.GetExtension(this.SrcName).ToLower().TrimStart('.');
if (!checkAllowedExt(this.FileExt))
{
SendResponse(202, "");
return(false);
}
#endregion
#region 文件
//上传
string sServerDir = _savePath;
if (sServerDir.IndexOf(":") < 0)
{
sServerDir = DirFileHelper.FixDirPath(DirFileHelper.GetMapPath(sServerDir));
}
string sNewFile = ""; //新文件名(系统生成)
string sNewRoot = ""; //新文件路径(绝对路径)
while (true)
{
sNewFile = DirFileHelper.GetRndFileName("." + this.FileExt);
sNewRoot = System.IO.Path.Combine(sServerDir, sNewFile);
if (!DirFileHelper.IsExistFile(sNewRoot))
{
try
{
oFile.SaveAs(sNewRoot);
}
catch
{
SendResponse(204, "");
return(false);
}
break;
}
}
this.NewFile = sNewFile;
this.NewPath = _savePath + sNewFile;
#endregion
//------------------------------------------------
#region 生成缩略图 + 水印
if (this.FileExt == "jpg" || this.FileExt == "png" || this.FileExt == "gif" || this.FileExt == "jpeg" || this.FileExt == "bmp")
{
#region 取得原始尺寸
try//能取得图片宽高，是真实的图片
{
System.Drawing.Image testImage1 = System.Drawing.Image.FromFile(sNewRoot);
this.SrcWidth = testImage1.Width;
this.SrcHeight = testImage1.Height;
testImage1.Dispose();
this.NewWidth = this.SrcWidth;
this.NewHeight = this.SrcHeight;
}
catch
{
//非法格式，不是真正的图片
DirFileHelper.DeleteFile(sNewRoot);
SendResponse(202, "");
return(false);
}
//------------------------------------------------
//先备份原始图
var tmpPath = "";
tmpPath = System.IO.Path.Combine(sServerDir, DirFileHelper.GetFileNamePostfix(sNewFile, "o"));
DirFileHelper.CopyFile(sNewRoot, tmpPath);
#endregion
if (this._isFixPic || this._isBigPic || this._isMidPic || this._isMinPic)
{
#region 创建大图
if (this._isBigPic)
{
tmpPath = System.IO.Path.Combine(sServerDir, DirFileHelper.GetFileNamePostfix(sNewFile, "b"));
if (this._bigWidth > 0 && this._bigHeight > 0)
{
//缩略
MakeThumbImage(sNewRoot, tmpPath, this._bigWidth, this._bigHeight, this._bigQuality, this.CutType);
}
else//因为不限制宽高，所以直接复制出来就行了
{
DirFileHelper.CopyFile(sNewRoot, tmpPath);
}
//添加水印
if (this.IsWaterPic)
{
MakeWaterPic(tmpPath);
}
}
#endregion
//------------------------------------------------
#region 创建中图
if (this._isMidPic)
{
tmpPath = System.IO.Path.Combine(sServerDir, DirFileHelper.GetFileNamePostfix(sNewFile, "m"));
if (this._midWidth > 0 && this._midHeight > 0)
{
//缩略图
MakeThumbImage(sNewRoot, tmpPath, this._midWidth, this._midHeight, this._midQuality, this.CutType);
}
else//因为不限制宽高，所以直接复制出来就行了
{
DirFileHelper.CopyFile(sNewRoot, tmpPath);
}
//添加水印
if (this.IsWaterPic)
{
MakeWaterPic(tmpPath);
}
}
#endregion
//------------------------------------------------
#region 创建小图
if (this._isMinPic)
{
tmpPath = System.IO.Path.Combine(sServerDir, DirFileHelper.GetFileNamePostfix(sNewFile, "s"));
if (this._minWidth > 0 && this._minHeight > 0)
{
//缩略图
MakeThumbImage(sNewRoot, tmpPath, this._minWidth, this._minHeight, this._minQuality, this.CutType);
}
else//因为不限制宽高，所以直接复制出来就行了
{
DirFileHelper.CopyFile(sNewRoot, tmpPath);
}
//微型图不用加水印
}
#endregion
//------------------------------------------------
#region 创建推荐图
if (this._isHotPic)
{
tmpPath = System.IO.Path.Combine(sServerDir, DirFileHelper.GetFileNamePostfix(sNewFile, "h"));
if (this._hotWidth > 0 && this._hotHeight > 0)
{
//缩略图
MakeThumbImage(sNewRoot, tmpPath, this._hotWidth, this._hotHeight, this._hotQuality, this.CutType);
}
else//因为不限制宽高，所以直接复制出来就行了
{
DirFileHelper.CopyFile(sNewRoot, tmpPath);
}
//添加水印
if (this.IsWaterPic)
{
MakeWaterPic(tmpPath);
}
}
#endregion
//------------------------------------------------
#region 限制列表图
if (this._isFixPic && this._picWidth > 0 && this._picHeight > 0)
{
MakeThumbImage(sNewRoot, sNewRoot, this._picWidth, this._picHeight, this._picQuality, this.CutType);
}
#endregion
#region 取得缩放后的图片宽高
try
{
System.Drawing.Image testImage2 = System.Drawing.Image.FromFile(sNewRoot);
this.NewWidth = testImage2.Width;
this.NewHeight = testImage2.Height;
testImage2.Dispose();
}
catch
{
DirFileHelper.DelPicFile(this.NewPath);
SendResponse(202, "");
return(false);
}
#endregion
}
//列表图是否加水印
if (DirFileHelper.IsExistFile(sNewRoot) && this.IsWaterPic)
{
MakeWaterPic(sNewRoot);
}
}
#endregion
//上传成功!!
return(true);
}
