Unity 摄像头实时扫描二维码

将二维码扫描到的信息 post 到服务器

/***************************************************************************** 2021.3 DESKTOP-J98GMVJ****************************************************************************/using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using QFramework;
using ZXing;
using System.Collections;
using UnityEngine.Networking;namespace QFramework.Example
{public partial class LoginCamRaw : UIComponent{//摄像头实时显示的画面private WebCamTexture m_webCameraTexture;//申请一个读取二维码的变量private BarcodeReader m_barcodeRender = new BarcodeReader();//多久检索一次二维码private float m_delayTime = 1f;public RawImage m_cameraTexture;private void Awake(){}IEnumerator Start(){//yield return new WaitForSeconds(1f);yield return new WaitForEndOfFrame();//调用摄像头并将画面显示在屏幕RawImage上WebCamDevice[] tDevices = WebCamTexture.devices; //获取所有摄像头string tDeviceName = tDevices[0].name; //获取第一个摄像头，用第一个摄像头的画面生成图片信息m_webCameraTexture = new WebCamTexture(tDeviceName, 1920, 1080); //名字,宽,高if (m_cameraTexture == null) m_cameraTexture = GetComponent<RawImage>();m_cameraTexture.texture = m_webCameraTexture; //赋值图片信息m_webCameraTexture.Play(); //开始实时显示InvokeRepeating("CheckQRCode", 0, m_delayTime);}/// <summary>/// 检索二维码方法/// </summary>void CheckQRCode(){//存储摄像头画面信息贴图转换的颜色数组Color32[] m_colorData = m_webCameraTexture.GetPixels32();//将画面中的二维码信息检索出来var tResult = m_barcodeRender.Decode(m_colorData, m_webCameraTexture.width, m_webCameraTexture.height);if (tResult != null){Debug.Log(tResult.Text);// 发送到服务器进行比对PostToServer(tResult.Text);}}public string m_sServerAddress => "http://127.0.0.1/";public string m_sPostMsg => "https://www.shengyinyouju.cn/cBBQE6uuDk4g=";// 外部调用 post 到服务器方法public void PostToServer(string m_sPostMsg){StartCoroutine(Post(m_sPostMsg));}IEnumerator Post(string m_sPostMsg){WWWForm form = new WWWForm();//键值对form.AddField("url", m_sPostMsg);UnityWebRequest webRequest = UnityWebRequest.Post(m_sServerAddress, form);yield return webRequest.SendWebRequest();//异常处理，很多博文用了error!=null这是错误的，请看下文其他属性部分if (webRequest.isHttpError || webRequest.isNetworkError)Debug.Log(webRequest.error);else{Debug.Log(webRequest.downloadHandler.text);if(webRequest.downloadHandler.text == "1"){// 识别到正确的二维码 打开开始界面UIKit.ClosePanel<UIQRCodeLoginPanel>();UIKit.OpenPanel<UIStartPanel>();}}}protected override void OnBeforeDestroy(){StopAllCoroutines();CancelInvoke();if (m_webCameraTexture.isPlaying){//Debug.LogError("关闭摄像头!");m_webCameraTexture.Stop();}}}
}

下面代码出处: https://blog.csdn.net/FransicZhang/article/details/94917700 

using UnityEngine;
using UnityEngine.UI;
using ZXing;
using ZXing.QrCode;public class QRCode : MonoBehaviour
{//摄像头实时显示的画面private WebCamTexture m_webCameraTexture;//申请一个读取二维码的变量private BarcodeReader m_barcodeRender = new BarcodeReader();//多久检索一次二维码private float m_delayTime = 1f;public RawImage m_cameraTexture;void Start(){//调用摄像头并将画面显示在屏幕RawImage上WebCamDevice[] tDevices = WebCamTexture.devices; //获取所有摄像头string tDeviceName = tDevices[0].name; //获取第一个摄像头，用第一个摄像头的画面生成图片信息m_webCameraTexture = new WebCamTexture(tDeviceName, 1280, 720); //名字,宽,高if (m_cameraTexture == null) m_cameraTexture = GetComponent<RawImage>();m_cameraTexture.texture = m_webCameraTexture; //赋值图片信息m_webCameraTexture.Play(); //开始实时显示InvokeRepeating("CheckQRCode", 0, m_delayTime);}/// <summary>/// 检索二维码方法/// </summary>void CheckQRCode(){//存储摄像头画面信息贴图转换的颜色数组Color32[] m_colorData = m_webCameraTexture.GetPixels32();//将画面中的二维码信息检索出来var tResult = m_barcodeRender.Decode(m_colorData, m_webCameraTexture.width, m_webCameraTexture.height);if (tResult != null){Debug.Log(tResult.Text);}}
}