我去

package mainimport ( "io" "os" "strings" )type rot13Reader struct { r io.Reader }func (rot rot13Reader) Read(b []byte) (n int, err error){ left:=len(b) for{ length,stat

下面是a tour of go 中最后一个练习的解法，本文使用了真正的网络io来运行爬虫，由于没有对连接数做限制，所以当depth为3时会发生错误package mainimport ( "fmt" "log" "strings" "sync" "github.com/PuerkitoBio/goquery" )type Fetcher interface {