在普通频道输入字符串如果是pi,则给出信息~！

在普通频道输入字符串如果是pi,则给出信息~！

print("PLAYER_EVENT_ON_CHANNEL_CHAT.lua ............................OK")
 
local PI=3.1415926
 
local PlayerEventOnChannelChat=function(event, player, msg, _ , lang)	
 
	if(msg=="pi") then
		local r=10
		s=PI*r*r
		player:SendBroadcastMessage("r = " .. tostring(r))		 		
		player:SendBroadcastMessage("Area = " .. tostring(s))
		str = string.format("我叫:" .. player:GetName() .. "答案是: " .."|cFFFF0000 %s |r",tostring(s));
		player:SendAreaTriggerMessage(str);		 		
		
	end
end
RegisterPlayerEvent(18,PlayerEventOnChannelChat)