String imgDir = Constant.config.get("app.img_path");
String msgId = msg.getString("MsgId");
FileKit.createDir(imgDir, false);
String imgUrl = wechatMeta.getBase_uri()
+ "/webwxgetmsgimg?MsgID=" + msgId + "&skey="
+ wechatMeta.getSkey() + "&type=slave";
HttpRequest.get(imgUrl)
.header("Cookie", wechatMeta.getCookie())
.receive(new File(imgDir + "/" + msgId + ".png"));
webwxsendmsg(wechatMeta,"二蛋还不支持图片呢", msg.getString("FromUserName"));
在这部分代码中怎么实现微信的自动回复功能?