获取天气

enduser_setup.start(
 function()
    print("Connected to wifi as:" .. wifi.sta.getip())
  end,
  function(err, str)
    print("enduser_setup: Err #" .. err .. ": " .. str)
  end
);

local mytimer = tmr.create() 
mytimer:register(5000, 0, function() 
    dofile("MQTT.lua");
end)
mytimer:start();


led1 = 4
stat=1

temp=""
city=""
wea=""
lasttime =""

host = "api.thinkpage.cn" --天气网站
gpio.mode(led1, gpio.OUTPUT)
tmr.alarm(2, 1500, tmr.ALARM_AUTO,function()

if stat==1 then
gpio.write(led1, gpio.LOW);
stat=0
elseif stat==0 then
gpio.write(led1, gpio.HIGH);
stat=1
end
end
)--设置led1=D4 1.5秒循环闪烁
tmr.alarm(3, 10000, tmr.ALARM_AUTO,function() --每10秒到网站获取数据
    conn=net.createConnection(net.TCP, 0) 
    conn:connect(80,"api.thinkpage.cn")
    conn:on("receive", function(conn, payload)
    --print(payload) 

        if payload~=nil then
            i=string.find(payload,"name")
            j=string.find(payload,"country")
            end

            print("CITY:"..string.sub(payload,i+7,j-4).."\r\n")--输出城市信息
            print("WEATHER:"..string.sub(payload,string.find(payload,"text")+7,string.find(payload,"code")-4).."\r\n")--输出当前天气
            print("TEMP:"..string.sub(payload,string.find(payload,"temperature")+14,string.find(payload,"last_update")-5).."\r\n")--输出当前温度

        end )
        conn:on("connection", function(conn, payload)
            conn:send("GET /v3/weather/now.json?key=lkvdhpaemyl8vgme&location=xian&language=en".." HTTP/1.1\r\n".."Host: ".."api.thinkpage.cn".. "\r\n".."Connection: close\r\n\r\n")
        end)



end)