add set channel name function

line.go

@@ -54,6 +54,20 @@ func (c *Line) Channel() string {
 	return c.channel
 }
 
+// 设置频道名
+// 检查是否包含@，只替换@前面部分
+func (c *Line) SetChannel(name string) {
+	if strings.Contains(name, "@") {
+		c.channel = name
+	} else {
+		if inx := strings.Index(c.channel, "@"); inx >= 0 {
+			c.channel = name + c.channel[inx:]
+		} else {
+			c.channel = name + "@" + c.channel
+		}
+	}
+}
+
 // 获取远程的地址
 func (c *Line) RemoteAddr() net.Addr {
 	if c.state == Connected {

type.go

@@ -67,6 +67,10 @@ type ResponseData struct {
 	conn *Line
 }
 
+func (r *ResponseData) Conn() *Line {
+	return r.conn
+}
+
 type PingData struct {
 	Id uint16
 }