/// <summary>
/// 系统文件保存
/// </summary>
/// <param name="command"></param>
/// <returns></returns>
public UploadImgResult SaveSystemImg(SystemImgFileCommand command)
{
var result = new UploadImgResult();
var request = command.Data;
if (request.ContentLength > 0)
{
// 上传用户图片
var targetCategory = SystemUploadPath + @"/";
targetCategory += GetSaveFile(UserFileType.Image) + @"/";
var option = new FileAttachOption();
if (command.SmallImgFileSetting.IsUser)
{
option.OriginalImgWidth = command.SmallImgFileSetting.Width;
option.OriginalImgHeight = command.SmallImgFileSetting.Height;
option.BuildOriginalImg = true;
option.OriginalImgModel = command.SmallImgFileSetting.ImgModel;
}
else
{
option.BuildOriginalImg = false;
}
if (command.StandardImgFileSetting.IsUser)
{
option.StandardImgWidth = command.StandardImgFileSetting.Width;
option.StandardImgHeight = command.StandardImgFileSetting.Height;
option.BuildStandardImg = true;
option.StandardImgModel = command.StandardImgFileSetting.ImgModel;
}
else
{
option.BuildStandardImg = false;
}
// 允许上传文件后缀
var fullFilePath = _fileAttachmentUtility.SaveLocalhostImgAttach(request, targetCategory, option);
if (command.SmallImgFileSetting.IsUser)
{
result.SmallImg = targetCategory + "s_" + fullFilePath;
}
if (command.StandardImgFileSetting.IsUser)
{
result.StandardImg = targetCategory + "b_" + fullFilePath;
}
result.Img = targetCategory + fullFilePath;
}
return(result);
}
/// <summary>
/// 检查文件后缀
/// </summary>
/// <param name="fileAttachOption">附件</param>
/// <param name="fileSuffix">文件后缀</param>
private static void CheckFileSuffix(FileAttachOption fileAttachOption, string fileSuffix)
{
var isCheck = false;
if (fileAttachOption.ImgSuffix != null)
{
foreach (var item in fileAttachOption.ImgSuffix.Where(item => item.ToLower() == fileSuffix.ToLower()))
{
isCheck = true;
}
}
else
{
isCheck = true;
}
if (!isCheck)
{
throw new BusinessException("上传的附件格式不正确");
}
}
/// <summary>
/// 保存附件
/// </summary>
/// <param name="file">要保存的附件</param>
/// <param name="targetCategory">附件存放的文件夹</param>
/// <param name="fileAttachOption">附件配置</param>
/// <returns>返回文件名</returns>
public string SaveLocalhostImgAttach(HttpPostedFile file, string targetCategory, FileAttachOption fileAttachOption)
{
var fileSuffix = Utils.GetUrlSuffix(file.FileName);
if (fileAttachOption.ImgSuffix == null || fileAttachOption.ImgSuffix.Count() <= 0)
{
// 加载配置数据
if (!string.IsNullOrEmpty(ImgSuffixConfig))
{
fileAttachOption.ImgSuffix = ImgSuffixConfig.Split('|');
}
}
CheckFileSuffix(fileAttachOption, fileSuffix);
//var fileInfo = new FileInfo(file.FileName);
// 随机生成图片名并为原图
string saveFileName = Guid.NewGuid() + "." + fileSuffix;
string sitePath = targetCategory;
string basePath = HttpContext.Current.Server.MapPath("/") + sitePath;
// 文件名称
string fileNameS = "s_" + saveFileName; // 缩略图文件名称
string fileNameB = "b_" + saveFileName; // 标准图文件名称
string webFilePath = basePath + saveFileName; // 文件原图
// 保存原始文件
if (!System.IO.File.Exists(webFilePath))
{
// 检查是否有该文件夹，没有则创建
if (!Directory.Exists(basePath))
{
Directory.CreateDirectory(basePath);
}
file.SaveAs(webFilePath);
// 生成缩略图方法
if (fileAttachOption.BuildOriginalImg)
{
ImgHelper.MakeThumbnail(webFilePath,
basePath + fileNameS,
fileAttachOption.OriginalImgWidth,
fileAttachOption.OriginalImgHeight,
fileAttachOption.OriginalImgModel.ToString());
}
// 生成标准图方法
if (fileAttachOption.BuildStandardImg)
{
ImgHelper.MakeThumbnail(webFilePath,
basePath + fileNameB,
fileAttachOption.StandardImgWidth,
fileAttachOption.StandardImgHeight,
fileAttachOption.StandardImgModel.ToString());
}
//return sitePath + saveFileName;
return(saveFileName);
}
return("");
}
