1. HTTP请求下载文件的,发送的数据如下
GET /webhdfs/v1/storage/906f91273ead74cf30a7ac5b9b8825de.zip?op=OPEN&delegation=GwADd3d3A3d3dwCKAXNF6gEpigFzafaFKY_CDRTSDZ9SCrI4iqZi2DE653jBajpMphJXRUJIREZTIGRlbGVnYXRpb24A HTTP/1.1 Host: 182.150.59.81:34008 Connection: keep-alive Upgrade-Insecure-Requests: 1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537(KHTML, like Gecko) Chrome/47.0.2526Safari/537.36