static String text(){
		StringBuffer sb = new StringBuffer();
		
		sb.append("<xml>");
		sb.append("<ToUserName><![CDATA[gh_72758ea99408]]></ToUserName>");
		sb.append("<FromUserName><![CDATA[o2nSmt1mQDsk2-Tv3LCA2Vtte5Ys]]></FromUserName> ");
		sb.append("<CreateTime>1348831860</CreateTime>");
		sb.append("<MsgType><![CDATA[text]]></MsgType>");
		sb.append("<Content><![CDATA[this is a test]]></Content>");
		sb.append("<MsgId>1234567890123456</MsgId>");
		sb.append("</xml>");
		
		return sb.toString();
	}