聊天服务器定义
[
	{
		"id": "1",
		"name": "全国大区1",
		"status": "full",
		"onlinecount": 2000,
		"category": 0,
		"url": "ws://test.fishlee.net/chathandler.ashx/room1"
	},
	{
		"id": "2",
		"name": "全国大区2",
		"status": "ok",
		"onlinecount": 1533,
		"category": 0,
		"url": "ws://test.fishlee.net/chathandler.ashx/room2"
	}
]

聊天操作。发送消息
1.进入房间
{action:"join", roomid:"room1", user:"iccfish", nickName:"木鱼"}

2.发送消息
{action:"send", target:"@iccfish [私聊]", content:"消息内容", color:"red"}

3.接收消息
{action:"receive", items: [ source:"木鱼(@iccfish)", time:"14:28:39", content:"消息内容", color:"red", specid:0 ]}
specid:比特位，1-系统消息，2-私聊，4-预置，8-预置，16-预置，32-预置