/// <summary>
/// 获取WebConfig.images下的某个子节点
/// </summary>
/// <param name="rules">允许上传图片集合</param>
/// <param name="ChildConfigName">节点名</param>
/// <returns></returns>
public ImageConfigInfo GetImageConfigInfo(ref string rules, string configName = "product")
{
try
{
var imagesSection = ConfigurationManager.GetSection("images") as XmlNode;
ImageConfigInfo imageConfigInfo = new ImageConfigInfo();
rules = imagesSection.Attributes["rules"].Value;
List <SaveConfigInfo> saveConfigInfoList = new List <SaveConfigInfo>();
XmlNode gradesNode = imagesSection.SelectSingleNode(configName + "image");
for (int i = 0; i < gradesNode.Attributes.Count; i++)
{
string name = gradesNode.Attributes[i].Name;
string value = gradesNode.Attributes[name].Value;
switch (name)
{
case "savepath":
imageConfigInfo.SavePath = value; break;
case "filename":
imageConfigInfo.FileName = value; break;
case "url":
imageConfigInfo.URL = value; break;
case "size":
imageConfigInfo.Size = int.Parse(value); break;
case "watermark":
imageConfigInfo.Watermark = value; break;
}
}
XmlNodeList childList = gradesNode.ChildNodes;
for (int i = 0; i < childList.Count; i++)
{
SaveConfigInfo saveConfigInfo = new SaveConfigInfo();
saveConfigInfo.Key = childList[i].Attributes["key"].Value;
saveConfigInfo.Size = int.Parse(childList[i].Attributes["size"].Value);
saveConfigInfo.Suffix = childList[i].Attributes["suffix"].Value;
saveConfigInfoList.Add(saveConfigInfo);
}
imageConfigInfo.SaveConfig = saveConfigInfoList;
return(imageConfigInfo);
}
catch
{
return(null);
}
}
private JsonResultObject ReturnUpLoadStatus(byte[] ibyte, UpLoadImageInfo upLoadImage)
{
var result = new JsonResultObject();
//result.data的返回路径集合
List <object> allOutPath = new List <object>();
//允许上传图片集合后缀
string rules = string.Empty;
ImageConfigInfo imageConfigInfo = GetImageConfigInfo(ref rules, upLoadImage.Type);
if (IsValidPic(ibyte) == false)
{
result.msg = "您上传的不是图片类型";
result.status = false;
return(result);
}
else if (rules.IndexOf(upLoadImage.ExtName) == -1 || rules.Contains(upLoadImage.ExtName) == false)
{
result.msg = "您上传的不是图片类型";
result.status = false;
return(result);
}
//二进制图片流会比原有的图片大130%-150%
double maxSize = imageConfigInfo.Size * 1024 * 1.5;
if (upLoadImage.ImageByte.Length > maxSize)
{
result.msg = "图片已超过实际大小：" + imageConfigInfo.Size + "KB";
result.status = false;
return(result);
}
string filePath = string.Empty; //图片路径
string savePath = string.Empty; //图片保存文件夹位置
//创建默认原图
imageConfigInfo.SaveConfig.Add(new SaveConfigInfo {
Key = "Origin", Size = -1, Suffix = "_O"
});
string defaultImagePath = string.Empty;
for (int i = imageConfigInfo.SaveConfig.Count - 1; i >= 0; i--)
{
//图片名称
string imageFileName = FileNameStrategy(upLoadImage, imageConfigInfo.SaveConfig[i].Suffix, ibyte, ref filePath);
//创建图片图片目录,判定是否有子文件夹
if (upLoadImage.FilePath == null && upLoadImage.FileName == null)
{
savePath = imageConfigInfo.SavePath + imageConfigInfo.FileName + "/" + filePath;
}
else
{
savePath = imageConfigInfo.SavePath + imageConfigInfo.FileName + "/" + upLoadImage.FilePath;
}
if (imageConfigInfo.SaveConfig[i].Suffix == "_L")
{
if (upLoadImage.FilePath == null && upLoadImage.FileName == null)
{
allOutPath.Add(new { ImagePath = filePath + "/" + imageFileName, Url = imageConfigInfo.URL });
}
else
{
allOutPath.Add(new { ImagePath = upLoadImage.FilePath + "/" + imageFileName, Url = imageConfigInfo.URL });
}
}
Directory.CreateDirectory(savePath);
bool isOrigin;
if (imageConfigInfo.SaveConfig[i].Size == -1 || imageConfigInfo.SaveConfig[i].Key == "Origin")
{
isOrigin = true;
defaultImagePath = savePath + "/" + imageFileName;
SaveImage(savePath
, imageFileName
, ibyte
, isOrigin
, imageConfigInfo.SaveConfig[i].Size
, imageConfigInfo.SaveConfig[i].Size
, upLoadImage.ExtName);
}
else
{
isOrigin = false;
string otherImagePath = savePath + "/" + imageFileName;
SaveImage(otherImagePath, ibyte, upLoadImage.ExtName, imageConfigInfo.SaveConfig[i].Size, false);
}
}
result.data = allOutPath;
result.status = true;
result.msg = "图片已上传完成！";
return(result);
}