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在c# string to float這個產品中，有1篇Facebook貼文，粉絲數超過13萬的網紅Audom Idea，也在其Facebook貼文中提到， ตู้ไปรษณีย์แจ้งเตือนทาง Line สอนทำแบบระเอียดยิ๊บ.. --------------------- จากเมื่อสัปดาห์ที่แล้วผมได้โพสต์วีดีโอทดสอบการทำงานของตู้ไปรษณีย์แจ้งเตือนทาง...

c# string to float 在 Audom Idea Facebook 的最佳解答

Audom Idea By Audom Idea

2019-01-04 17:59:22 有 173 人按讚
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ตู้ไปรษณีย์แจ้งเตือนทาง Line สอนทำแบบระเอียดยิ๊บ..
---------------------
จากเมื่อสัปดาห์ที่แล้วผมได้โพสต์วีดีโอทดสอบการทำงานของตู้ไปรษณีย์แจ้งเตือนทางไลน์ไป ก็มีหลายๆคนสนใจผมจึงได้ทำคลิปขึ้นมา เพื่อพาทุกคนทำ ผมวังว่าคลิปนี้จะมีประโยชน์สำหรับใครหลายคนนะครับผม😊
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คลิป https://www.youtube.com/watch?v=_cVsQ1oRuRA&t=108s
--------------------------------------------------
โค้ด
void Line_Notify1(String message1) ;

#include <ESP8266WiFi.h>
#include <DHT.h>

#define WIFI_SSID "ชื่อ wifi" /////////////*************แก้
#define WIFI_PASSWORD "รหัส wifi"////////**************แก้

#define LINE_TOKEN_PIR "line token"////***************แก้

#define PirPin D6
#define DHTPIN D7
#define DHTTYPE DHT11

DHT dht(DHTPIN, DHTTYPE);
String message1 = "ข้อความแจ้งเตือน";//****************แก้
bool beep_state = false;
bool send_state = false;
uint32_t ts, ts1, ts2;

void setup() {

Serial.begin(115200);
Serial.println();

pinMode(PirPin, INPUT);
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, HIGH);

dht.begin();

Serial.println("connecting");
WiFi.mode(WIFI_STA);
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);

Serial.print("connecting");

while (WiFi.status() != WL_CONNECTED) {
Serial.print(".");
delay(500);
}
Serial.println();
Serial.print("connected: ");
Serial.println(WiFi.localIP());

delay(10000);
Serial.println("Pir Ready!!");

read_sensor();

ts = ts1 = ts2 = millis();
}

void loop() {

ts = millis();

if (WiFi.status() == WL_CONNECTED) {
digitalWrite(LED_BUILTIN, LOW);
} else {
digitalWrite(LED_BUILTIN, HIGH);
}

if ((ts - ts2 >= 60000) && (WiFi.status() == WL_CONNECTED)) {
read_sensor();
}

if ((ts - ts1 >= 5000) && (beep_state == true)) {
beep_state = false;
}

if ((digitalRead(PirPin) == HIGH) && (beep_state == false) && (WiFi.status() == WL_CONNECTED)) {
while (digitalRead(PirPin) == HIGH) delay(100);
Serial.println("Detect !");
Line_Notify1(message1);
beep_state = true;
}
delay(10);

}

void Line_Notify1(String message) {
WiFiClientSecure client;

if (!client.connect("notify-api.line.me", 443)) {
Serial.println("connection failed");
delay(2000);
return;
}

String req = "";
req += "POST /api/notify HTTP/1.1\r\n";
req += "Host: notify-api.line.me\r\n";
req += "Authorization: Bearer " + String(LINE_TOKEN_PIR) + "\r\n";
req += "Cache-Control: no-cache\r\n";
req += "User-Agent: ESP8266\r\n";
req += "Content-Type: application/x-www-form-urlencoded\r\n";
req += "Content-Length: " + String(String("message=" + message1).length()) + "\r\n";
req += "\r\n";
req += "message=" + message1;
// Serial.println(req);
client.print(req);

delay(20);

while (client.connected()) {
String line = client.readStringUntil('\n');
if (line == "\r") {
break;
}
}
}

void read_sensor() {

float h = dht.readHumidity();
float t = dht.readTemperature();

if (isnan(h) || isnan(t)) {
Serial.println("Failed to read from DHT sensor!");
return;
}

Serial.print("Temperature: ");
Serial.print(t);
Serial.println(" *C ");
}

----------------------------------------------------------

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For realism , I've listed it as a string literal with the necessary double ... ToSingle ( ) method on each string to convert the value into type float .

#96. Unity error cs1513

Generic; using UnityEngine; public class Player : MonoBehaviour { public float moveSpeed = 10f; private Rigidbody2D Mar 27, 2021 · C# Unity Answers or ...

#97. C# 2008 for Programmers, 3/e - 第 200 頁 - Google 圖書結果

... parameters of the same type as float x , y instead of float x , float y is ... Assembling Strings with String Concatenation C # allows string objects to ...

#98. The Power of C# - 第 452 頁 - Google 圖書結果

public Pen ( Brush , float ) ; Initializes a new instance of the Pen class ... the Font class with the specified attributes . public Font ( string , float ) ...