public async Task <WxMessage> Handle(IWxMessage message)
{
var reply = new WxReply_Text()
{
ToUserName = ((WxMessage)message).FromUserName,
FromUserName = ((WxMessage)message).ToUserName,
Content = "The MsgType of WxEvent_Scancode_push was successfully handled."
};
return(await Task.FromResult(reply));
}
public async Task <WxMessage> Handle(IWxMessage message)
{
var reply = new WxReply_Text()
{
ToUserName = ((WxMessage)message).FromUserName,
FromUserName = ((WxMessage)message).ToUserName,
Content = "The MsgType is unknown."
};
return(await Task.FromResult(reply));
}
public async Task <string> ReplyErrorMessage(WxMessage message)
{
var reply = new WxReply_Text()
{
ToUserName = message.FromUserName,
FromUserName = _option.WxName,
CreateTime = message.CreateTime,
Content = "非常抱歉，我们无法识别您的消息。请检查后重新发送。"
};
return(await Task.FromResult(new WxSerializer_SimpleXml().Serialize(reply)));
}
public async Task <WxMessage> HandleMessage <TMessage>(TMessage message) where TMessage : IWxMessage
{
//_logger.LogInformation("=====MsgType===== " + message.GetType());
//_logger.LogInformation("=====MsgType===== " + typeof( TMessage));
//Frank： 这个方法来自于StackOverflow的回答
var messageType = message.GetType();
var messageHandlerType = typeof(IWxMessageHandler <>).MakeGenericType(messageType);
//这是自己通过dynamic的方式的解决方法，但是并非最理想：
dynamic dyna = _provider.GetService(messageHandlerType);
_logger.LogInformation($"===信息处理方式: ==={dyna.GetType()}");
var handlingstxnResult = dyna.Handle(message);
return(handlingstxnResult.Result);
//Frank： 这是IEnumerable方案来实现查找WxMessage对应的Handler的方法。未采用。
/*
* var _handlers = _provider.GetServices<IWxMessageHandler<TMessage>>();
* //_logger.LogInformation("=====is _hanlderfromprovider null?===== " + (_handlers == null));
*
* var type = typeof(TMessage);
* var _handler = _handlers
* .Where(h => h.HandlingType.Equals(message.GetType()))
* .FirstOrDefault();
* var handlingResult = _handler.Handle(message);
* return await handlingResult;
*/
var reply = new WxReply_Text()
{
ToUserName = ((WxMessage)(object)message).FromUserName,
FromUserName = ((WxMessage)(object)message).ToUserName,
Content = ((WxMessage)(object)message).MsgType
};
return(await Task.FromResult(reply));
}
