esp8266天气获取 esp8266天气预报

物联网现在是方兴未艾啊，很多单片机均具备了物联网开发的基本功能，选择最快捷的开发方式可以缩短研发周期，降低研发成本，下面介绍ESP8266+Arduino的开发方式

一、环境搭建（这块最难，但是这里不细讲了，原因和人脸识别部分一样，环境搭建过程就是熟悉的过程，很重要，自己动手要比别人给有收获，有意义）
https://www.arduino.cn/forum.php?mod=viewthread&tid=81948

二、要读源代码，做到读懂会用啊。


（上面是从知心天气网站获取并且解析天气信息的方法。）

#include <WiFiUdp.h>
#include <Arduino.h>
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>
#include <ArduinoJson.h>
#include <NTPClient.h>
// pins
const int8_t RST_PIN = D2;
const int8_t CE_PIN = D1;
const int8_t DC_PIN = D6;
//const int8_t DIN_PIN = D7;  // Uncomment for Software SPI
//const int8_t CLK_PIN = D5;  // Uncomment for Software SPI
const int8_t BL_PIN = D0;
//const char* AP_SSID = "LAFALINK-2.4G";         // XXXXXX -- 使用时请修改为当前你的 wifi ssid
//const char* AP_SSID = "huaxiangmianzhou";  
const char* AP_SSID = "Motel168-506";
const char* AP_PSK = "leesky2008";        // XXXXXX -- 使用时请修改为当前你的 wifi 密码
Adafruit_PCD8544 display = Adafruit_PCD8544(DC_PIN, CE_PIN, RST_PIN); 
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP);
static const unsigned char PROGMEM tutu[] =
{
  0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,
0xC0,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xF6,0x3F,0x70,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x1F,0x88,0x3F,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,
0x91,0xFF,0xD8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xEF,0xF2,0x7D,0xDF,0x00,0x00,
0x00,0x00,0x00,0x00,0x01,0xFF,0xE4,0xFF,0xBF,0x80,0x00,0x00,0x00,0x00,0x00,0x07,
0xFF,0xC9,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0x7F,0x60,
0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFD,0x01,0xFF,0xB0,0x00,0x00,0x00,0x00,0x00,
0x3F,0xFF,0xF8,0x03,0xFF,0x18,0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFB,0xFC,0xFE,
0xE8,0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFF,0xED,0x36,0xEC,0x00,0x00,0x00,0x00,
0x00,0xFF,0xFF,0xFF,0x87,0x36,0xE4,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0x02,
0xB2,0x44,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFE,0x00,0x12,0x46,0x00,0x00,0x00,
0x00,0x00,0xFF,0xFF,0xFC,0x00,0x4A,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xD8,
0x00,0x05,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0x00,0x00,0x03,0x02,0x00,0x00,
0x00,0x00,0x00,0xFF,0xFE,0x00,0x00,0x01,0x82,0x00,0x00,0x00,0x00,0x00,0xFF,0xE0,
0x00,0x00,0x00,0x82,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0xC4,0x00,
0x00,0x00,0x00,0x00,0x7C,0x00,0x00,0x00,0x00,0x74,0x00,0x00,0x00,0x00,0x00,0x7C,
0x00,0x00,0x3F,0xE0,0x34,0x00,0x00,0x00,0x00,0x00,0x7C,0x07,0xC0,0x00,0x00,0x24,
0x00,0x00,0x00,0x00,0x00,0xBC,0x1F,0xC0,0x00,0x00,0x12,0x00,0x00,0x00,0x00,0x00,
0x3C,0x38,0x00,0x03,0xA0,0x14,0x80,0x00,0x00,0x00,0x00,0x18,0x00,0x00,0x07,0xC0,
0x10,0x00,0x00,0x00,0x00,0x00,0x18,0x01,0x80,0x07,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x3C,0x1F,0xC0,0x00,0x00,0x10,0x20,0x00,0x00,0x00,0x00,0x46,0x1F,0x80,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x42,0x00,0x06,0x00,0x00,0x10,0x80,0x00,0x00,
0x00,0x00,0x7E,0x00,0x06,0x04,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x3A,0x00,0x04,
0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1B,0x00,0x04,0x03,0x80,0x18,0x00,0x00,
0x00,0x00,0x00,0x09,0x00,0x1C,0x30,0xC0,0x10,0x00,0x00,0x00,0x00,0x00,0x0D,0x00,
0x3F,0xE0,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x80,0x1F,0x80,0x60,0x00,0x00,
0x00,0x00,0x00,0x00,0x03,0x80,0x00,0x00,0xF0,0x20,0x00,0x00,0x00,0x00,0x00,0x01,
0x80,0x00,0xFE,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x1F,0x80,0x00,0x80,
0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xB0,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x77,0xD8,0x00,0x00,0x10,
0xE0,0x00,0x00,0x00,0x00,0x60,0x0F,0xFE,0x00,0x00,0x20,0x61,0x20,0x00,0x00,0x00,
0x00,0x0E,0x7B,0xE0,0x00,0x80,0x00,0x02,0x00,0x00,0x00,0x00,0x3C,0x1C,0xFC,0x06,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x9E,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,
};/*"中",0*/



static const unsigned char PROGMEM str1[] =
{
  0x00,0x00,0x3F,0xF8,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0xFF,0xFE,0x01,0x00,
0x02,0x80,0x02,0x80,0x04,0x40,0x04,0x40,0x08,0x20,0x10,0x10,0x20,0x08,0xC0,0x06
};/*"中",0*/

static const unsigned char PROGMEM str2[] =
{
  0x02,0x08,0x21,0x10,0x10,0x00,0x17,0xFC,0x00,0x80,0x03,0xF8,0xF2,0x08,0x13,0xF8,
0x12,0x08,0x13,0xF8,0x12,0x08,0x13,0xF8,0x12,0x08,0x28,0x00,0x47,0xFE,0x00,0x00
};/*"文",1*/
static const unsigned char PROGMEM str3[] =
{
  0x00,0x04,0xFE,0x44,0x28,0x54,0x28,0x54,0xFE,0x54,0xAA,0x54,0xAA,0xDC,0xAB,0x74,
0xAE,0x54,0xC2,0x54,0x82,0x54,0xFE,0x54,0x82,0x54,0x82,0x54,0xFE,0x84,0x83,0x04
};/*"显",2*/

static const unsigned char PROGMEM str4[] =
{
  0x22,0x20,0x22,0x20,0xFF,0xA0,0x22,0x20,0x3E,0xFC,0x08,0x24,0x7F,0x24,0x49,0x24,
0x7F,0x24,0x08,0x24,0x7F,0x24,0x08,0x44,0x7F,0x44,0x08,0x84,0x0F,0x28,0xF2,0x10
};/*"示",3*/
static const unsigned char PROGMEM hu[] =
{
  0x00,0x08,0x00,0x3C,0x7B,0xE0,0x48,0x20,0x49,0x24,0x48,0xA4,0x48,0xA8,0x48,0x20,
0x4B,0xFE,0x48,0x20,0x78,0x20,0x48,0x20,0x00,0x20,0x00,0x20,0x00,0xA0,0x00,0x40
};/*"示",3*/
static const unsigned char PROGMEM he[] =
{
  0x04,0x00,0x0E,0x00,0x78,0x00,0x08,0x7C,0x08,0x44,0xFF,0x44,0x08,0x44,0x18,0x44,
0x1C,0x44,0x2A,0x44,0x2A,0x44,0x48,0x44,0x88,0x7C,0x08,0x44,0x08,0x00,0x08,0x00
};/*"示",3*/
static const unsigned char PROGMEM hao[] =
{
  0x00,0x40,0x22,0x40,0x12,0x40,0x13,0xFC,0x84,0x40,0x48,0x40,0x40,0x40,0x17,0xFE,
0x10,0x00,0x20,0x00,0xE3,0xF8,0x22,0x08,0x22,0x08,0x22,0x08,0x23,0xF8,0x02,0x08
};/*"示",3*/
static const unsigned char PROGMEM te[] =
{
  0x10,0x20,0x10,0x20,0x50,0x20,0x51,0xFC,0x7C,0x20,0x50,0x20,0x93,0xFE,0x10,0x08,
0x1C,0x08,0xF1,0xFE,0x50,0x08,0x10,0x88,0x10,0x48,0x10,0x08,0x10,0x28,0x10,0x10
};/*"示",3*/
static const unsigned char PROGMEM feng[] =

{0x00,0x00,0x3F,0xF0,0x20,0x10,0x20,0x10,0x28,0x50,0x24,0x50,0x22,0x90,0x22,0x90,
0x21,0x10,0x21,0x10,0x22,0x90,0x22,0x92,0x24,0x4A,0x48,0x4A,0x40,0x06,0x80,0x02};/*"风",0*/
static const unsigned char PROGMEM li[] =
{
  0x02,0x00,0x02,0x00,0x02,0x00,0x02,0x00,0x7F,0xF8,0x02,0x08,0x02,0x08,0x02,0x08,
0x02,0x08,0x04,0x08,0x04,0x08,0x08,0x08,0x08,0x08,0x10,0x88,0x20,0x50,0x40,0x20
};

static const unsigned char PROGMEM ji[] =
{
  0x10,0x00,0x13,0xFC,0x20,0x84,0x20,0x88,0x48,0x88,0xF8,0x90,0x10,0x9C,0x20,0x84,
0x41,0x44,0xF9,0x44,0x41,0x28,0x01,0x28,0x1A,0x10,0xE2,0x28,0x44,0x44,0x01,0x82
};/*"示",3*/
static const unsigned char PROGMEM qi[] =
{
  0x10,0x00,0x10,0x00,0x3F,0xFC,0x20,0x00,0x4F,0xF0,0x80,0x00,0x3F,0xF0,0x00,0x10,
0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x0A,0x00,0x0A,0x00,0x06,0x00,0x02
};/*"示",3*/
static const unsigned char PROGMEM wen[] =
{
  0x00,0x00,0x23,0xF8,0x12,0x08,0x12,0x08,0x83,0xF8,0x42,0x08,0x42,0x08,0x13,0xF8,
0x10,0x00,0x27,0xFC,0xE4,0xA4,0x24,0xA4,0x24,0xA4,0x24,0xA4,0x2F,0xFE,0x00,0x00
};/*"示",3*/
static const unsigned char PROGMEM shi[] =
{
  0x02,0x00,0x01,0x00,0x7F,0xFE,0x40,0x02,0x88,0x84,0x04,0x80,0x04,0x80,0x10,0x80,
0x08,0x80,0x08,0x80,0xFF,0xFE,0x01,0x40,0x02,0x20,0x04,0x10,0x18,0x08,0x60,0x04
};/*"示",3*/
static const unsigned char PROGMEM si[] =
{
 0x00,0x08,0x00,0x08,0x7C,0x08,0x44,0x08,0x45,0xFE,0x44,0x08,0x44,0x08,0x7C,0x08,
0x44,0x88,0x44,0x48,0x44,0x48,0x44,0x08,0x7C,0x08,0x44,0x08,0x00,0x28,0x00,0x10
};/*"示",3*/
static const unsigned char PROGMEM jin[] =
{
  0x01,0x00,0x01,0x00,0x02,0x80,0x04,0x40,0x08,0x20,0x12,0x10,0x21,0x08,0xC1,0x06,
0x00,0x00,0x1F,0xF0,0x00,0x10,0x00,0x20,0x00,0x20,0x00,0x40,0x00,0x80,0x01,0x00
};/*"示",3*/
static const unsigned char PROGMEM ming[] =
{
  0x00,0x00,0x00,0xFC,0x7C,0x84,0x44,0x84,0x44,0x84,0x44,0xFC,0x7C,0x84,0x44,0x84,
0x44,0x84,0x44,0xFC,0x7C,0x84,0x44,0x84,0x01,0x04,0x01,0x04,0x02,0x14,0x04,0x08
};/*"示",3*/
static const unsigned char PROGMEM ri[] =
{
  0x00,0x00,0x1F,0xF0,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x1F,0xF0,
0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x1F,0xF0,0x10,0x10
};/*"示",3*/
static const unsigned char PROGMEM shesi[] =
{
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x02,0x00,0x00,0x00,0x0D,0x80,0xFC,0x00,0x08,0x83,0xC3,0x00,0x08,0x86,0x00,0xE0,
0x08,0x8C,0x00,0x60,0x07,0x18,0x00,0x20,0x00,0x18,0x00,0x20,0x00,0x30,0x00,0x20,
0x00,0x30,0x00,0x20,0x00,0x30,0x00,0x20,0x00,0x30,0x00,0x00,0x00,0x30,0x00,0x00,
0x00,0x30,0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x30,0x00,0x00,
0x00,0x30,0x00,0x00,0x00,0x38,0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x1C,0x00,0x20,
0x00,0x0E,0x00,0x40,0x00,0x07,0x01,0x80,0x00,0x03,0xFF,0x00,0x00,0x00,0xF8,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
WiFiClient client;                       //创建一个网络对象
 
/*  请求的Json数据格式如下：
 * {
 *    "results": [
 *        {
 *            "location": {
 *                "id": "WX4FBXXFKE4F",
 *                "name": "北京",
 *                "country": "CN",
 *                "path": "北京,北京,中国",
 *                "timezone": "Asia/Shanghai",
 *                "timezone_offset": "+08:00"
 *            },
 *            "now": {
 *                "text": "多云",
 *                "code": "4",
 *                "temperature": "23"
 *            },
 *            "last_update": "2019-10-13T09:51:00+08:00"
 *        }
 *    ]
 *}
 */
 
void wifi_start_connect()              //连接WIFI
{
  WiFi.mode(WIFI_STA);//设置esp8266 工作模式 
      //写几句提示
  WiFi.begin(AP_SSID, AP_PSK);         //连接wifi
  WiFi.setAutoConnect(true);
  while (WiFi.status()!= WL_CONNECTED) //这个函数是wifi连接状态，返回wifi链接状态
        {  
         delay(500);
         Serial.print(".");
        }
}
 
void parseUserData(String content)  // Json数据解析并串口打印.可参考https://www.bilibili.com/video/av65322772
{
 const size_t capacity = JSON_ARRAY_SIZE(1) + JSON_ARRAY_SIZE(3) + JSON_OBJECT_SIZE(3) + JSON_OBJECT_SIZE(6) + 3*JSON_OBJECT_SIZE(14) + 800;
DynamicJsonBuffer jsonBuffer(capacity);

//const char* json = "[{\"location\":{\"id\":\"WRR2Q2Z7CXWM\",\"name\":\"呼和浩特\",\"country\":\"CN\",\"path\":\"呼和浩特,呼和浩特,内蒙古,中国\",\"timezone\":\"Asia/Shanghai\",\"timezone_offset\":\"+08:00\"},\"daily\":[{\"date\":\"2020-03-16\",\"text_day\":\"晴\",\"code_day\":\"0\",\"text_night\":\"晴\",\"code_night\":\"1\",\"high\":\"16\",\"low\":\"-1\",\"rainfall\":\"0.0\",\"precip\":\"\",\"wind_direction\":\"西北\",\"wind_direction_degree\":\"315\",\"wind_speed\":\"25.20\",\"wind_scale\":\"4\",\"humidity\":\"17\"},{\"date\":\"2020-03-17\",\"text_day\":\"晴\",\"code_day\":\"0\",\"text_night\":\"晴\",\"code_night\":\"1\",\"high\":\"16\",\"low\":\"-1\",\"rainfall\":\"0.0\",\"precip\":\"\",\"wind_direction\":\"西\",\"wind_direction_degree\":\"248\",\"wind_speed\":\"25.20\",\"wind_scale\":\"4\",\"humidity\":\"16\"},{\"date\":\"2020-03-18\",\"text_day\":\"多云\",\"code_day\":\"4\",\"text_night\":\"晴\",\"code_night\":\"1\",\"high\":\"14\",\"low\":\"-4\",\"rainfall\":\"0.0\",\"precip\":\"\",\"wind_direction\":\"北\",\"wind_direction_degree\":\"0\",\"wind_speed\":\"34.20\",\"wind_scale\":\"5\",\"humidity\":\"20\"}],\"last_update\":\"2020-03-16T11:17:52+08:00\"}]";
JsonObject& root = jsonBuffer.parseObject(content);

JsonObject& root_0 = root["results"][0];

JsonObject& root_0_location = root_0["location"];
const char* root_0_location_id = root_0_location["id"]; // "WRR2Q2Z7CXWM"
const char* root_0_location_name = root_0_location["name"]; // "呼和浩特"
//const char* root_0_location_country = root_0_location["country"]; // "CN"
//const char* root_0_location_path = root_0_location["path"]; // "呼和浩特,呼和浩特,内蒙古,中国"
//const char* root_0_location_timezone = root_0_location["timezone"]; // "Asia/Shanghai"
//const char* root_0_location_timezone_offset = root_0_location["timezone_offset"]; // "+08:00"

JsonArray& root_0_daily = root_0["daily"];
//JsonObject& root_0_daily = root["results"][1];
JsonObject& root_0_daily_0 = root_0_daily[0];
const char* root_0_daily_0_date = root_0_daily_0["date"]; // "2020-03-16"
const char* root_0_daily_0_text_day = root_0_daily_0["text_day"]; // "晴"
const char* root_0_daily_0_code_day = root_0_daily_0["code_day"]; // "0"
const char* root_0_daily_0_text_night = root_0_daily_0["text_night"]; // "晴"
const char* root_0_daily_0_code_night = root_0_daily_0["code_night"]; // "1"
const char* root_0_daily_0_high = root_0_daily_0["high"]; // "16"最高温度
const char* root_0_daily_0_low = root_0_daily_0["low"]; // "-1"最低温度
const char* root_0_daily_0_rainfall = root_0_daily_0["rainfall"]; // "0.0"
const char* root_0_daily_0_precip = root_0_daily_0["precip"]; // ""
const char* root_0_daily_0_wind_direction = root_0_daily_0["wind_direction"]; // "西北"风向
const char* root_0_daily_0_wind_direction_degree = root_0_daily_0["wind_direction_degree"]; // "315"
const char* root_0_daily_0_wind_speed = root_0_daily_0["wind_speed"]; // "25.20"
const char* root_0_daily_0_wind_scale = root_0_daily_0["wind_scale"]; // "4"等级
const char* root_0_daily_0_humidity = root_0_daily_0["humidity"]; // "17"
//JsonObject& root_0_daily1 = root["results"][2];
JsonObject& root_0_daily_1 = root_0_daily[1];
const char* root_0_daily_1_date = root_0_daily_1["date"]; // "2020-03-17"
const char* root_0_daily_1_text_day = root_0_daily_1["text_day"]; // "晴"
const char* root_0_daily_1_code_day = root_0_daily_1["code_day"]; // "0"
const char* root_0_daily_1_text_night = root_0_daily_1["text_night"]; // "晴"
const char* root_0_daily_1_code_night = root_0_daily_1["code_night"]; // "1"
const char* root_0_daily_1_high = root_0_daily_1["high"]; // "16"
const char* root_0_daily_1_low = root_0_daily_1["low"]; // "-1"
const char* root_0_daily_1_rainfall = root_0_daily_1["rainfall"]; // "0.0"
const char* root_0_daily_1_precip = root_0_daily_1["precip"]; // ""
const char* root_0_daily_1_wind_direction = root_0_daily_1["wind_direction"]; // "西"
const char* root_0_daily_1_wind_direction_degree = root_0_daily_1["wind_direction_degree"]; // "248"
const char* root_0_daily_1_wind_speed = root_0_daily_1["wind_speed"]; // "25.20"
const char* root_0_daily_1_wind_scale = root_0_daily_1["wind_scale"]; // "4"
const char* root_0_daily_1_humidity = root_0_daily_1["humidity"]; // "16"
 
 Serial.println(root_0_location_name);    //呼和浩特                   //通过串口打印出需要的信息
 Serial.println(root_0_daily_0_date);//当天日期
// display.setCursor(5,30);
// display.println(root_0_daily_0_date);
// display.display();

 Serial.println(root_0_daily_0_text_day);//天气情况
 Serial.println(root_0_daily_0_code_day);
 Serial.println(root_0_daily_0_high);//最高温度
 Serial.println(root_0_daily_0_low);//最低温度
 Serial.println(root_0_daily_0_wind_direction);//风向
 Serial.println(root_0_daily_0_wind_scale);//风力等级
  display.drawBitmap(10, 0,jin, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(27,0, ri, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(44, 0,qi, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(61,0, wen, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(10,32, feng, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(27,32, li, 16, 16, 1); //画出字符对应点阵数据
  display.setTextSize(2);
  display.setTextColor(BLACK);
  display.setCursor(10,17);
  display.println(root_0_daily_0_low);
  display.setCursor(28,17);
  display.println("--");
  display.setCursor(50,17);
  display.println(root_0_daily_0_high);
  display.setCursor(45,33);
  display.println(root_0_daily_0_wind_scale);
  display.display();
  delay(2000),
  display.clearDisplay();
  display.display(); 
 //显示明天的天气情况
 Serial.println(root_0_location_name);    //呼和浩特                   //通过串口打印出需要的信息
 Serial.println(root_0_daily_1_date);//明天日期
 Serial.println(root_0_daily_1_text_day);//天气情况
 Serial.println(root_0_location_name); 
 Serial.println(root_0_daily_1_high);//最高温度
 Serial.println(root_0_daily_1_low);//最低温度
 Serial.println(root_0_daily_1_wind_direction);//风向
 Serial.println(root_0_daily_1_wind_scale);//风力等级
 
  display.drawBitmap(10, 0,ming, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(27,0, ri, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(44, 0,qi, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(61,0, wen, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(10,32, feng, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(27,32, li, 16, 16, 1); //画出字符对应点阵数据
  display.setTextSize(2);
  display.setTextColor(BLACK);
  display.setCursor(10,17);
  display.println(root_0_daily_1_low);
  display.setCursor(28,17);
  display.println("--");
  display.setCursor(50,17);
  display.println(root_0_daily_1_high);
  display.setCursor(45,33);
  display.println(root_0_daily_1_wind_scale);
  display.display();
  delay(2000);
  display.clearDisplay();
  display.display();  
//  Serial.print("\r\n");
}
void parseUserData1(String content1)  // Json数据解析并串口打印.可参考https://www.bilibili.com/video/av65322772
{
 const size_t capacity = JSON_ARRAY_SIZE(1) + 2*JSON_OBJECT_SIZE(3) + JSON_OBJECT_SIZE(6) + 210;
DynamicJsonBuffer jsonBuffer(capacity);

//const char* json = "[{\"location\":{\"id\":\"WRR2Q2Z7CXWM\",\"name\":\"呼和浩特\",\"country\":\"CN\",\"path\":\"呼和浩特,呼和浩特,内蒙古,中国\",\"timezone\":\"Asia/Shanghai\",\"timezone_offset\":\"+08:00\"},\"now\":{\"text\":\"晴\",\"code\":\"0\",\"temperature\":\"16\"},\"last_update\":\"2020-03-16T14:50:00+08:00\"}]";

JsonObject& root = jsonBuffer.parseObject(content1);

JsonObject& root_0 = root["results"][0];

JsonObject& root_0_location = root_0["location"];
const char* root_0_location_id = root_0_location["id"]; // "WRR2Q2Z7CXWM"
const char* root_0_location_name = root_0_location["name"]; // "呼和浩特"
//const char* root_0_location_country = root_0_location["country"]; // "CN"
//const char* root_0_location_path = root_0_location["path"]; // "呼和浩特,呼和浩特,内蒙古,中国"
//const char* root_0_location_timezone = root_0_location["timezone"]; // "Asia/Shanghai"
//const char* root_0_location_timezone_offset = root_0_location["timezone_offset"]; // "+08:00"

JsonObject& root_0_now = root_0["now"];
const char* root_0_now_text = root_0_now["text"]; // "晴"
const char* root_0_now_code = root_0_now["code"]; // "0"
const char* root_0_now_temperature = root_0_now["temperature"]; // "16"
const char* root_0_last_update = root_0["last_update"]; // "2020-03-16T14:50:00+08:00"
 Serial.println(root_0_location_name);    //呼和浩特                   //通过串口打印出需要的信息
 Serial.println(root_0_now_text);//天气情况
 Serial.println(root_0_now_code);//天气情况代码
 Serial.println(root_0_now_temperature);//实时温度
 Serial.print("\r\n");

  display.drawBitmap(10,0,hu, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(27,0, he, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(44,0, hao, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(61,0, te, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(10,20,shi, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(27,20, si, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(44,20, qi, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(61,20, wen, 16, 16, 1); //画出字符对应点阵数据
  display.display();
  delay(1000);
  display.clearDisplay();
  display.setTextSize(4);
  display.setTextColor(BLACK);
  display.setCursor(10,15);
  display.println(root_0_now_temperature);
  display.drawBitmap(52,8, shesi, 32, 32, 1); //画出shesi
  display.display();
  delay(1000);
  display.clearDisplay();
  display.display();  
 
} 
void setup() 
{
 
 Serial.begin(9600); 
 wifi_start_connect(); 
 client.setTimeout(3000);//设置服务器连接超时时间
 //timeClient.begin();
 pinMode(BL_PIN, OUTPUT);
 digitalWrite(BL_PIN, HIGH);
  display.begin();
  display.setContrast(60);  // Adjust for your displa
  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(BLACK);
  display.setCursor(10,15);
  display.println("Connecting to ");
  display.clearDisplay();
  display.display();   
//  display.drawBitmap(10, 10, str1, 16, 16, 1); //画出字符对应点阵数据
//  display.drawBitmap(27,10, str2, 16, 16, 1); //画出字符对应点阵数据
//  display.drawBitmap(44,10, str3, 16, 16, 1); //画出字符对应点阵数据
//  display.drawBitmap(61,10, str4, 16, 16, 1); //画出字符对应点阵数据
//  display.setCursor(5,30);
//  display.println("Welcome!Mr Li");
//  display.display();
//  delay(1000),
//  display.clearDisplay();
//  display.display();
//  display.drawBitmap(0, 0, tutu, 84, 48, 1);
//  display.display(); 
//  delay(1000),
//  display.clearDisplay();
//  display.display();  
}
void xianshishijian()
{
  timeClient.begin();
  timeClient.update();
  delay(500);
  timeClient.getHours();
  timeClient.getHours();
  timeClient.getMinutes();
  display.setTextSize(3);
  display.setTextColor(BLACK);
  display.setCursor(5,20);
  display.println(timeClient.getHours()+8);
  display.setCursor(33,20);
  display.println(":");
  display.setCursor(45,20);
  if(timeClient.getMinutes()<10)
     display.println(String(0)+timeClient.getMinutes());
  else
      display.println('0'+timeClient.getMinutes());
  display.display();
  delay(2000);
  display.clearDisplay();
  
  
  }
void kaiji()
{
  display.setTextSize(1);
  display.setTextColor(BLACK);
  display.setCursor(0,0);
  display.drawBitmap(10, 10, str1, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(27,10, str2, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(44,10, str3, 16, 16, 1); //画出字符对应点阵数据
  display.drawBitmap(61,10, str4, 16, 16, 1); //画出字符对应点阵数据
  display.setCursor(5,30);
  display.println("Welcome!Mr Li");
  display.display();
  delay(1000);
  display.clearDisplay();
  display.display();
  display.drawBitmap(0, 0, tutu, 84, 48, 1);
  display.display(); 
  delay(1000);
  display.clearDisplay();
  display.display();   
  }
void loop() 
{    
   kaiji();
   xianshishijian();                       
if(client.connect("api.seniverse.com", 80)==1)              //连接服务器并判断是否连接成功，若成功就发送GET 请求数据下发       
  {                                           //换成你自己在心知天气申请的私钥//改成你所在城市的拼音
   client.print("GET /v3/weather/daily.json?key=SbVrpI0gcYEBgHnd0&location=huhehaote&language=zh-Hans&unit=c&start=0&days=5 HTTP/1.1\r\n"); //心知天气的URL格式          
   client.print("Host:api.seniverse.com\r\n");
   client.print("Accept-Language:zh-cn\r\n");
   client.print("Connection:close\r\n\r\n"); //向心知天气的服务器发送请求。
   String status_code = client.readStringUntil('\r');        //读取GET数据，服务器返回的状态码，若成功则返回状态码200
  // Serial.println(status_code);      
   if(client.find("\r\n\r\n")==1)                            //跳过返回的数据头，直接读取后面的JSON数据，
     {
      String json_from_server=client.readStringUntil('\n');  //读取返回的JSON数据
      //Serial.println("这是预报数据：");
      //Serial.println(json_from_server);
      parseUserData(json_from_server);//将读取的JSON数据，传送到JSON解析函数中进行显示。
     }
  // client.stop();
   delay(500);
   client.connect("api.seniverse.com", 80);
   client.print("GET /v3/weather/now.json?key=SIwg7qqEKb2AEDb9y&location=huhehaote&language=zh-Hans&unit=c HTTP/1.1\r\n"); //心知天气的URL格式          
   client.print("Host:api.seniverse.com\r\n");
   client.print("Accept-Language:zh-cn\r\n");
   client.print("Connection:close\r\n\r\n"); //向心知天气的服务器发送请求。
   String status_code1 = client.readStringUntil('\r');        //读取GET数据，服务器返回的状态码，若成功则返回状态码200
   //Serial.println("lixing");      
   if(client.find("\r\n\r\n")==1)                            //跳过返回的数据头，直接读取后面的JSON数据，
     {
      String json_from_server1=client.readStringUntil('\n');  //读取返回的JSON数据
      //Serial.println("这是实时数据");
      //Serial.println(json_from_server1);
      parseUserData1(json_from_server1);//将读取的JSON数据，传送到JSON解析函数中进行显示。
     }
  }
else                                        
  { 
   //Serial.println("connection failed this time");
   delay(500);                                            //请求失败等5秒
  } 
client.stop(); //关闭HTTP客户端，采用HTTP短链接，数据请求完毕后要客户端要主动断开
//delay(1000);         
}