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