/// <summary>
/// 裁剪图片并保存
/// </summary>
public bool cropSaveAs(string fileName, string newFileName, int maxWidth, int maxHeight, int cropWidth, int cropHeight, int X, int Y)
{
string fileExt = HotoUtils.GetFileExt(fileName); //文件扩展名，不含“.”
if (!IsImage(fileExt))
{
return(false);
}
string newFileDir = HotoUtils.GetMapPath(newFileName.Substring(0, newFileName.LastIndexOf(@"/") + 1));
//检查是否有该路径，没有则创建
if (!Directory.Exists(newFileDir))
{
Directory.CreateDirectory(newFileDir);
}
try
{
string fileFullPath = HotoUtils.GetMapPath(fileName);
string toFileFullPath = HotoUtils.GetMapPath(newFileName);
return(HotoThumbnail.MakeThumbnailImage(fileFullPath, toFileFullPath, 180, 180, cropWidth, cropHeight, X, Y));
}
catch
{
return(false);
}
}
/// <summary>
/// 文件上传方法C
/// </summary>
/// <param name="postedFile">文件流</param>
/// <param name="isThumbnail">是否生成缩略图</param>
/// <param name="isWater">是否打水印</param>
/// <param name="isReOriginal">是否返回文件原名称</param>
/// <returns>服务器文件路径</returns>
public string fileSaveAs(HttpPostedFile postedFile, bool isThumbnail, bool isWater, bool _isImage, bool _isReOriginal)
{
try
{
string fileExt = HotoUtils.GetFileExt(postedFile.FileName); //文件扩展名，不含“.”
string originalFileName = postedFile.FileName.Substring(postedFile.FileName.LastIndexOf(@"\") + 1); //取得文件原名
string fileName = HotoUtils.GetRamCode() + "." + fileExt; //随机文件名
string dirPath = GetUpLoadPath(); //上传目录相对路径
//检查文件扩展名是否合法
if (!CheckFileExt(fileExt))
{
return("{\"msg\": 0, \"msgbox\": \"不允许上传" + fileExt + "类型的文件！\"}");
}
//检查是否必须上传图片
if (_isImage && !IsImage(fileExt))
{
return("{\"msg\": 0, \"msgbox\": \"对不起，仅允许上传图片文件！\"}");
}
//检查文件大小是否合法
if (!CheckFileSize(fileExt, postedFile.ContentLength))
{
return("{\"msg\": 0, \"msgbox\": \"文件超过限制的大小啦！\"}");
}
//获得要保存的文件路径
string serverFileName = dirPath + fileName;
string serverThumbnailFileName = dirPath + "small_" + fileName;
string returnFileName = serverFileName;
//物理完整路径
string toFileFullPath = HotoUtils.GetMapPath(dirPath);
//检查有该路径是否就创建
if (!Directory.Exists(toFileFullPath))
{
Directory.CreateDirectory(toFileFullPath);
}
//保存文件
postedFile.SaveAs(toFileFullPath + fileName);
//如果是图片，检查图片尺寸是否超出限制
if (IsImage(fileExt) && (this.siteConfig.attachimgmaxheight > 0 || this.siteConfig.attachimgmaxwidth > 0))
{
HotoThumbnail.MakeThumbnailImage(toFileFullPath + fileName, toFileFullPath + fileName, this.siteConfig.attachimgmaxwidth, this.siteConfig.attachimgmaxheight);
}
//是否生成缩略图
if (IsImage(fileExt) && isThumbnail && this.siteConfig.thumbnailwidth > 0 && this.siteConfig.thumbnailheight > 0)
{
HotoThumbnail.MakeThumbnailImage(toFileFullPath + fileName, toFileFullPath + "small_" + fileName, this.siteConfig.thumbnailwidth, this.siteConfig.thumbnailheight, "Cut");
returnFileName += "," + serverThumbnailFileName; //返回缩略图，以逗号分隔开
}
//是否打图片水印
if (IsWaterMark(fileExt) && isWater)
{
switch (this.siteConfig.watermarktype)
{
case 1:
HotoWaterMark.AddImageSignText(serverFileName, serverFileName,
this.siteConfig.watermarktext, this.siteConfig.watermarkposition,
this.siteConfig.watermarkimgquality, this.siteConfig.watermarkfont, this.siteConfig.watermarkfontsize);
break;
case 2:
HotoWaterMark.AddImageSignPic(serverFileName, serverFileName,
this.siteConfig.watermarkpic, this.siteConfig.watermarkposition,
this.siteConfig.watermarkimgquality, this.siteConfig.watermarktransparency);
break;
}
}
//如果需要返回原文件名
if (_isReOriginal)
{
return("{\"msg\": 1, \"msgbox\": \"" + serverFileName + "\", \"mstitle\": \"" + originalFileName + "\"}");
}
return("{\"msg\": 1, \"msgbox\": \"" + returnFileName + "\"}");
}
catch
{
return("{\"msg\": 0, \"msgbox\": \"上传过程中发生意外错误！\"}");
}
}