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