各位大神，请帮忙看看这段程序是否有问题esp8266

lxpandsq

1. #include <ESP8266WiFi.h>
   
2. #include <ESP8266HTTPClient.h>
   
3. #include <DHT.h>
   
4. 
   
5. const char ssid[]     = "";
   
6. const char password[] = "";
   
7. String url = "";
   
8. String temp;
   
9. #define DHTPIN 2
   
10. #define DHTTYPE DHT11
    
11. DHT dht(DHTPIN, DHTTYPE);
    
12. void setup()
    
13. {
    
14.   Serial.begin(115200);
    
15.   initWifi();
    
16.   dht.begin();
    
17. }
    
18. 
    
19. void loop()
    
20. {
    
21.   delay(10000);
    
22.   if (WiFi.status() == WL_CONNECTED)
    
23.   {
    
24.     temp = initDht11();
    
25.     sendGet(temp);
    
26.   }
    
27.   else
    
28.   {
    
29.     initWifi();
    
30.   }
    
31.   
    
32. }
    
33. void initWifi()
    
34. {
    
35.   WiFi.mode(WIFI_STA);
    
36.   WiFi.begin(ssid, password);
    
37. 
    
38.   while (WiFi.status() != WL_CONNECTED)
    
39.   {
    
40.     delay(500);
    
41.     Serial.print(".");
    
42.   }
    
43.   Serial.println(WiFi.localIP());
    
44. }
    
45. 
    
46. String initDht11()
    
47. {
    
48.   float h = dht.readHumidity();
    
49.   float t = dht.readTemperature();
    
50.   float f = dht.readTemperature(true);
    
51.   if (isnan(h) || isnan(t) || isnan(f))
    
52.   {
    
53.     Serial.println(F("Failed to read from DHT sensor!"));
    
54.     return "";
    
55.   }
    
56.   float hif = dht.computeHeatIndex(f, h);
    
57.   float hic = dht.computeHeatIndex(t, h, false);
    
58. 
    
59.   Serial.print(F("Humidity: "));Serial.print(h);
    
60.   Serial.print(F("%  Temperature: "));Serial.print(t);
    
61.   Serial.print(F("°C "));Serial.print(f);
    
62.   Serial.print(F("°F  Heat index: "));Serial.print(hic);
    
63.   Serial.print(F("°C "));Serial.print(hif);
    
64.   Serial.println(F("°F"));
    
65.   return String(h) + "," + String(t) + "," + String(f) + "," + String(hic) + "," + String(hif);
    
66. }
    
67. 
    
68. void sendGet(String str)
    
69. {
    
70.   HTTPClient http;
    
71.   WiFiClient client;
    
72.   if (http.begin(client, url + "&" + str))
    
73.   {
    
74.     int httpCode = http.GET();
    
75.     if (httpCode > 0)
    
76.     {
    
77.       if (httpCode == HTTP_CODE_OK || httpCode == HTTP_CODE_MOVED_PERMANENTLY)
    
78.       {
    
79.         String payload = http.getString();
    
80.         Serial.println(payload);
    
81.       }
    
82.     }
    
83.     http.end();
    
84.   }
    
85. }
    

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1.emp8266使用dht11
功能是连接wifi以后，获取dht11的记录，然后把记录通过get请求传送到我个人的微信上。
谢谢各位大神指点