问如何搜索所有未读邮件IMAP CMD / go

EN

const (
    //serch
    SearchUnseen = "UNSEEN"
    SearchSeen   = "SEEN"
    SearchALL    = "ALL"
)
const (
    FlagSeen   = `\Seen`
    FlagUnseen = `\Unseen`
)

const (
    //flag types
    FlagSet    = "+FLAGS"
    FlagRemove = "-FLAGS"
)

type Request struct {
    Label string //label: INBOX, Sent
    Attr  string //attr: RFC822.HEADER , []BODY if is Fetch
    //OR "ALL", "UNSEEN" if is SEARCH
    //http://tools.ietf.org/html/rfc3501#section-6.4.4
    SqID string //sequences 1:44 , 1:*, 1,2,3 (UID)
}

cmd, err = c.UIDSearch(set, r.Attr)



cmd, err := imap.Wait(c.UIDStore(set, flagAction, imap.NewFlagSet(flag)))
    if err != nil {
        log.Error(err)
        return
    }