Imports github.com/henrylee2cn/pholcus/app/downloader/surfer/agent golang.org/x/net/html/charset github.com/henrylee2cn/goutil Standard library imports compress/zlib mime compress/flate net/http/cookiejar compress/gzip mime/multipart bytes crypto/tls encoding/json fmt io io/ioutil log math/rand net net/http net/url os os/exec path/filepath strings sync time