/// <summary>
/// 删除附件
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static MessageRecorder <bool> DeleteObject(string key)
{
if (string.IsNullOrEmpty(key))
{
return(new MessageRecorder <bool>().SetValue(true));
}
var service = new AliyunOssService();
return(service.DeleteObject(key));
}
/// <summary>
/// 清理过期时间
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static MessageRecorder <bool> ClearExpiration(string key)
{
if (string.IsNullOrEmpty(key))
{
return(new MessageRecorder <bool>().SetValue(true));
}
var service = new AliyunOssService();
return(service.ModifyObjectMeta(key,
meta => { meta.ExpirationTime = new DateTime(2050, 1, 1); }));
}
/// <summary>
/// 上传附件
/// </summary>
/// <param name="request">HttpRequest</param>
/// <param name="inputName">获取指定Input控件的文件</param>
/// <returns>上传结果信息</returns>
public static MessageRecorder <IList <string> > Upload(
HttpRequestBase request,
string inputName = null)
{
var mr = new MessageRecorder <IList <string> > {
Value = new List <string>()
};
var service = new AliyunOssService();
for (var i = 0; i < request.Files.Count; i++)
{
var upload = request.Files.AllKeys[i];
//如果指定了Input名称，则寻找对应的Input执行上传操作
if (Equals(upload, inputName))
{
continue;
}
var file = request.Files[i];
if (file == null)
{
continue;
}
if (file.ContentLength <= 0)
{
continue;
}
// Uploaded file
// Use the following properties to get file's name, size and MIMEType
//int fileSize = file.ContentLength;
//string fileName = file.FileName;
//string mimeType = file.ContentType;
var metadata = new ObjectMetadata
{
ExpirationTime = DateTime.Now.AddDays(1),
ContentLength = file.InputStream.Length,
ContentType = file.ContentType,
ContentDisposition = file.FileName
};
var key = Guid.NewGuid().ToString("N");
var mr2 = service.PutObject(key, file.InputStream, metadata);
mr.Append(mr2);
mr.Value.Add(key);
}
return(mr);
}
/// <summary>
/// 删除文件
/// </summary>
/// <param name="keys"></param>
/// <returns></returns>
public static MessageRecorder <bool> Remove(IList <string> keys)
{
var mr = new MessageRecorder <bool>();
if (keys.IsNullOrEmpty())
{
return(mr);
}
var service = new AliyunOssService();
foreach (var key in keys)
{
mr.Append(service.DeleteObject(key));
}
return(mr);
}
/// <summary>
/// 获得访问地址
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static string GetUrl(string key)
{
return(AliyunOssService.GetUrl(key));
}
