From c587f3499ca5eebf81374cf77ed1e0694f8c236b Mon Sep 17 00:00:00 2001
From: chenyc <501753378@qq.com>
Date: 星期一, 21 四月 2025 15:13:05 +0800
Subject: [PATCH] gx
---
src/views/deviceWindoes2.vue | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 53 insertions(+), 3 deletions(-)
diff --git a/src/views/deviceWindoes2.vue b/src/views/deviceWindoes2.vue
index d1c2ce7..1ed4985 100644
--- a/src/views/deviceWindoes2.vue
+++ b/src/views/deviceWindoes2.vue
@@ -766,10 +766,15 @@
</el-form-item>
</el-space>
</el-form>
+ <video ref="video" width="300" height="300" autoplay></video>
+ <input type="text" v-model="codeResult" placeholder="扫描结果将会显示在这里">
</span>
<template #footer>
<div class="dialog-footer">
<el-button @click="centerDialogVisible = false">取消</el-button>
+ <el-button type="primary" @click="shaoma">
+ 扫码录入
+ </el-button>
<el-button type="primary" @click="saveSet">
确认
</el-button>
@@ -793,6 +798,7 @@
import cljd from '../img/cljd.png'
import tizhong from '../img/tizhong.png'
import {EventSourcePolyfill} from 'event-source-polyfill';
+ import jsQR from 'jsqr';
import { computed, getCurrentInstance, onBeforeMount, onMounted, ref, watch, watchEffect } from "vue";
import { Local } from '../utils/storage';
import * as echarts from "echarts";
@@ -983,8 +989,12 @@
],
});
// 告警提示
- const textbaojing = ref("");
- const iscomfig = ref(false);
+ // 识别窗口
+ const video = ref<HTMLVideoElement | null>(null);
+ // 识别文本
+ const codeResult = ref<string>('');
+ // 识别数据流
+ let stream: MediaStream | null = null;
const centerDialogVisible = ref(false);
const background = ref("");
const txztText = ref("");
@@ -1175,6 +1185,46 @@
}else{
ElMessage.warning('请先输入设备编号')
}
+ }
+ function captureFrame() {
+ if (!video.value) return;
+
+ const canvas = document.createElement('canvas');
+ const context = canvas.getContext('2d');
+ if (!context || !video.value) return;
+
+ canvas.width = video.value.videoWidth;
+ canvas.height = video.value.videoHeight;
+ context.drawImage(video.value, 0, 0, canvas.width, canvas.height);
+ const imageData = context.getImageData(0, 0, canvas.width, canvas.height);
+
+ // 解析二维码
+ const code = jsQR(imageData.data, imageData.width, imageData.height);
+ if (code) {
+ codeResult.value = code.data;
+ }
+
+ // 定期捕获帧
+ setTimeout(captureFrame, 500);
+ }
+ const startCamera=async()=> {
+ if (video.value) {
+ try {
+ stream = await navigator.mediaDevices.getUserMedia({ video: { facingMode: "environment" } });
+ if (video.value) {
+ video.value.srcObject = stream;
+ video.value.play();
+
+ // 开始捕获帧
+ captureFrame();
+ }
+ } catch (e) {
+ console.error("无法访问摄像头", e);
+ }
+ }
+}
+ const shaoma=()=>{
+ startCamera()
}
watch(
() => deviceData.value.设备变化,
@@ -1912,7 +1962,7 @@
}
.right-div {
- width: 100px; /* 固定宽度 */
+ width: 50px; /* 固定宽度 */
font-size: 16px;
display: flex;
justify-content: center; /* 水平居中 */
--
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