From 2ea91b1a3a5dece7918ee6f9ca0d345e2be10d3c Mon Sep 17 00:00:00 2001
From: chenyc <501753378@qq.com>
Date: 星期一, 21 四月 2025 15:49:21 +0800
Subject: [PATCH] gx
---
src/views/deviceWindoes2.vue | 48 +++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 45 insertions(+), 3 deletions(-)
diff --git a/src/views/deviceWindoes2.vue b/src/views/deviceWindoes2.vue
index d1c2ce7..73455ef 100644
--- a/src/views/deviceWindoes2.vue
+++ b/src/views/deviceWindoes2.vue
@@ -760,12 +760,17 @@
<el-space fill>
<el-alert type="warning" show-icon :closable="false">
<p>"请输入设备编号后才能使用不然无法定位到数据来源:</p>
+ <p>也可以选择二维码图片识别</p>
</el-alert>
<el-form-item label="设备编号">
<el-input v-model="deviceCode" />
</el-form-item>
</el-space>
</el-form>
+ <div>
+ <input type="file" pattern="选取二维码" accept="image/*" @change="onFileChange" />
+ <input type="text" v-model="codeResult" placeholder="扫描结果将会显示在这里">
+ </div>
</span>
<template #footer>
<div class="dialog-footer">
@@ -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 +1185,38 @@
}else{
ElMessage.warning('请先输入设备编号')
}
+ }
+ const onFileChange=(event: Event) =>{
+ const inputElement = event.target as HTMLInputElement;
+ if (!inputElement.files || inputElement.files.length === 0) return;
+
+ const file = inputElement.files[0];
+ const reader = new FileReader();
+
+ reader.onload = function(e) {
+ if (e.target && typeof e.target.result === 'string') {
+ const img = document.createElement('img');
+ img.src = e.target.result;
+ img.onload = function() {
+ const canvas = document.createElement('canvas');
+ canvas.width = img.width;
+ canvas.height = img.height;
+ const ctx = canvas.getContext('2d');
+ if (ctx) {
+ ctx.drawImage(img, 0, 0);
+ const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
+ const code = jsQR(imageData.data, imageData.width, imageData.height);
+ if (code) {
+ codeResult.value = code.data;
+ }
+ }
+ };
+ }
+ };
+
+ reader.readAsDataURL(file);
+ }
+ const shaoma=()=>{
}
watch(
() => deviceData.value.设备变化,
@@ -1912,7 +1954,7 @@
}
.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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