Golang Client.Select方法代码示例

func ResetConnection(conn *imap.Client, readOnly bool) error {
	// dont check for error because its possible it's already closed.
	conn.Close(!readOnly)

	_, err := imap.Wait(conn.Select("INBOX", readOnly))
	if err != nil {
		return err
	}

	return nil
}

func GetUIDs(mbox string, client *imap.Client) ([]uint32, error) {

	uids := make([]uint32, 0)

	cmd, err := client.Select(mbox, true)
	if err != nil {
		return uids, err
	}

	//== Get UIDS of all messages
	cmd, err = imap.Wait(client.UIDSearch("", "ALL"))
	if err != nil {
		return uids, err
	}

	for idx := range cmd.Data {
		for _, uid := range cmd.Data[idx].SearchResults() {
			uids = append(uids, uid)
		}
	}
	return uids, nil

}

func GetMessage(folder, uid string, client *imap.Client) (messag *Message, e error) {

	cmd, err := client.Select(folder, true)
	if err != nil {
		return nil, err
	}

	uidlist, _ := imap.NewSeqSet(uid)
	//uidlist.Add(uid)

	fmt.Println("get_mess", folder, uid)
	mess := new(Message)
	mess.Folder = folder

	cmd, err = imap.Wait(client.UIDFetch(uidlist, "FLAGS", "INTERNALDATE", "RFC822.SIZE", "RFC822")) //  "RFC822.HEADER",  "BODY.PEEK[TEXT]") )
	if err != nil {
		return mess, err
	}
	fmt.Println(len(cmd.Data), cmd.Data)
	rsp := cmd.Data[0]
	minfo := rsp.MessageInfo()

	mess.Uid = minfo.UID

	msg, _ := mail.ReadMessage(bytes.NewReader(imap.AsBytes(minfo.Attrs["RFC822"])))
	mime, mime_err := enmime.ParseMIMEBody(msg)

	for flag, boo := range minfo.Flags {
		if flag == "\\Seen" && boo {
			mess.Seen = true
		}
		if flag == "\\Flagged" && boo {
			mess.Flagged = true
		}
	}
	/*
		bites := imap.AsBytes(minfo.Attrs["RFC822"])
		msg, msg_err := mail.ReadMessage(bytes.NewReader(bites))
		if msg_err != nil {
			return mess, msg_err
		}
	*/

	//fmt.Println(msg.Header.Get("Content-type"))
	//fmt.Println(msg.Header.Get("To"))
	//fmt.Println(msg.Header.Get("Delivered-To"))

	// From
	from, fro_err := mail.ParseAddress(msg.Header.Get("From"))
	if fro_err != nil {
		fmt.Println("address ettot")
	} else {
		mess.FromName = from.Name
		mess.FromEmail = from.Address
	}

	//for i, m := range minfo.Attrs {

	//fmt.Println(i,m)
	//}
	// Date
	dat := imap.AsDateTime(minfo.Attrs["INTERNALDATE"])
	mess.Date = dat.Format("2006-01-02 15:04:05")

	mess.Subject = msg.Header.Get("Subject")
	mess.ContentType = msg.Header.Get("Content-Type")
	//fmt.Println("body=", cmd.Data[0].String)

	//bodyb := imap.AsBytes(minfo.Attrs["BODY[TEXT]"])
	//bb := 	bytes.NewReader(bytes.NewReader(header + bodyb))

	//fmt.Println("bodyb=", string(msg.Body))

	//fmt.Printf("----\n%v\n", mime.Html == nil)
	//mess.Body = mime.Text
	if mime_err != nil {
		fmt.Println("err=", mime_err, mime)
	}
	//*/
	//fmt.Println("body=", body)

	mess.BodyText = mime.Text
	mess.BodyHtml = mime.Html //imap.AsString(minfo.Attrs["RFC822"])

	return mess, nil

}

func ExampleClient() {
	//
	// Note: most of error handling code is omitted for brevity
	//
	var (
		c   *imap.Client
		cmd *imap.Command
		rsp *imap.Response
	)

	// Connect to the server
	c, _ = imap.Dial("imap.example.com")

	// Remember to log out and close the connection when finished
	defer c.Logout(30 * time.Second)

	// Print server greeting (first response in the unilateral server data queue)
	fmt.Println("Server says hello:", c.Data[0].Info)
	c.Data = nil

	// Enable encryption, if supported by the server
	if c.Caps["STARTTLS"] {
		c.StartTLS(nil)
	}

	// Authenticate
	if c.State() == imap.Login {
		c.Login("[email protected]", "mysupersecretpassword")
	}

	// List all top-level mailboxes, wait for the command to finish
	cmd, _ = imap.Wait(c.List("", "%"))

	// Print mailbox information
	fmt.Println("\nTop-level mailboxes:")
	for _, rsp = range cmd.Data {
		fmt.Println("|--", rsp.MailboxInfo())
	}

	// Check for new unilateral server data responses
	for _, rsp = range c.Data {
		fmt.Println("Server data:", rsp)
	}
	c.Data = nil

	// Open a mailbox (synchronous command - no need for imap.Wait)
	c.Select("INBOX", true)
	fmt.Print("\nMailbox status:\n", c.Mailbox)

	// Fetch the headers of the 10 most recent messages
	set, _ := imap.NewSeqSet("")
	if c.Mailbox.Messages >= 10 {
		set.AddRange(c.Mailbox.Messages-9, c.Mailbox.Messages)
	} else {
		set.Add("1:*")
	}
	cmd, _ = c.Fetch(set, "RFC822.HEADER")

	// Process responses while the command is running
	fmt.Println("\nMost recent messages:")
	for cmd.InProgress() {
		// Wait for the next response (no timeout)
		c.Recv(-1)

		// Process command data
		for _, rsp = range cmd.Data {
			header := imap.AsBytes(rsp.MessageInfo().Attrs["RFC822.HEADER"])
			if msg, _ := mail.ReadMessage(bytes.NewReader(header)); msg != nil {
				fmt.Println("|--", msg.Header.Get("Subject"))
			}
		}
		cmd.Data = nil

		// Process unilateral server data
		for _, rsp = range c.Data {
			fmt.Println("Server data:", rsp)
		}
		c.Data = nil
	}

	// Check command completion status
	if rsp, err := cmd.Result(imap.OK); err != nil {
		if err == imap.ErrAborted {
			fmt.Println("Fetch command aborted")
		} else {
			fmt.Println("Fetch error:", rsp.Info)
		}
	}
}