/// <summary>
/// 文件分块上传，适合大文件
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
private string MultipartUpload(BaseUploadParameter param)
{
Stream stream = param.Stream;
byte[] content = param.Content;
//注意此处抛出一个架构级异常
if (stream == null && content == null)
{
throw new ArgumentNullException("stream及content参数不能同时为空");
}
//1 若传入的参数对象中二进制数组为空，说明将文件内容读取至流对象中
if (content == null)
{
content = new byte[SIZE];
Stream streamUpload = stream;
//将流以二进制的形式读取出来
streamUpload.Read(content, 0, SIZE);
}
//2 第一个数据包上传或获取已上传的位置
string ext = param.FileName.Substring(param.FileName.LastIndexOf('.') + 1);
string shortName = FastDFSClient.UploadAppenderFile(Node, content, ext);
BeginUploadPart(stream, shortName);
return(CompleteUpload(stream, shortName));
}
/// <summary>
/// 文件分块上传，适合大文件
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
private string MultipartUpload(Stream stream, string ext)
{
if (stream == null)
{
throw new ArgumentNullException("stream参数不能为空");
}
int size = 1024 * 1024;
byte[] content = new byte[size];
// 第一个数据包上传或获取已上传的位置
stream.Read(content, 0, size);
string shortName = FastDFSClient.UploadAppenderFile(Node, content, ext);
BeginUploadPart(stream, shortName, size);
return(CompleteUpload(stream, shortName));
}
/// <summary>
/// 文件分块上传，适合大文件
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
private string MultipartUpload(UploadParameterBase param)
{
Stream stream = param.Stream;
if (stream == null)
{
throw new ArgumentNullException("stream参数不能为空");
}
byte[] content = new byte[SIZE];
Stream streamUpload = stream;
// 第一个数据包上传或获取已上传的位置
string ext = param.FileName.Substring(param.FileName.LastIndexOf('.') + 1);
streamUpload.Read(content, 0, SIZE);
string shortName = FastDFSClient.UploadAppenderFile(Node, content, ext);
BeginUploadPart(stream, shortName);
return(CompleteUpload(stream, shortName));
}