{"id":4682,"date":"2023-05-09T17:26:14","date_gmt":"2023-05-09T09:26:14","guid":{"rendered":"https:\/\/app.applebyme.cn\/cloud\/?p=4682"},"modified":"2023-05-09T17:26:14","modified_gmt":"2023-05-09T09:26:14","slug":"webapp-vue-%e6%89%ab%e4%b8%80%e6%89%ab%e5%8a%9f%e8%83%bd%e5%ae%9e%e7%8e%b0%e9%9a%be%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/app.applebyme.cn\/cloud\/appkaifa\/4682.html","title":{"rendered":"webapp vue \u626b\u4e00\u626b\u529f\u80fd\u5b9e\u73b0\u96be\u5417\uff1f"},"content":{"rendered":"

WebApp Vue \u626b\u4e00\u626b\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u7f51\u9875\u5e94\u7528\u7a0b\u5e8f\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u624b\u673a\u7684\u6444\u50cf\u5934\u626b\u63cf\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801\u6765\u83b7\u53d6\u4fe1\u606f\uff0c\u5982\u5546\u54c1\u4fe1\u606f\u3001\u6d3b\u52a8\u4fe1\u606f\u7b49\u3002\u8fd9\u79cd\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u57fa\u4e8eVue.js\u6846\u67b6\u5f00\u53d1\uff0cVue.js\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684JavaScript\u6846\u67b6\uff0c\u7528\u4e8e\u6784\u5efa\u4ea4\u4e92\u5f0fWeb\u754c\u9762\u3002\u672c\u6587\u5c06\u4ecb\u7ecdWebApp Vue \u626b\u4e00\u626b\u7684\u539f\u7406\u548c\u5f00\u53d1\u65b9\u5f0f\u3002<\/p>\n

\u4e00\u3001\u539f\u7406<\/p>\n

WebApp Vue \u626b\u4e00\u626b\u7684\u539f\u7406\u662f\u901a\u8fc7JavaScript\u7684WebRTC\u6280\u672f\u6765\u5b9e\u73b0\u3002WebRTC\u662f\u4e00\u79cd\u65b0\u7684Web\u6807\u51c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u6d4f\u89c8\u5668\u4e4b\u95f4\u76f4\u63a5\u901a\u4fe1\u7684\u65b9\u6cd5\u3002\u5728WebApp Vue \u626b\u4e00\u626b\u4e2d\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u8bbf\u95ee\u624b\u673a\u6444\u50cf\u5934\u5e76\u6355\u83b7\u56fe\u50cf\u3002\u4e00\u65e6\u56fe\u50cf\u88ab\u6355\u83b7\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528JavaScript\u5e93\u6765\u89e3\u6790\u56fe\u50cf\u4e2d\u7684app\u5728\u7ebf\u5236\u4f5c<\/a>\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801\uff0c\u5e76\u83b7\u53d6\u76f8\u5173\u4fe1\u606f\u3002<\/p>\n

\u4e8c\u3001\u5f00\u53d1\u65b9\u5f0f<\/p>\n

WebApp Vue \u626b\u4e00\u626b\u7684\u5f00\u53d1\u65b9\u5f0f\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u53e6\u4e00\u79cd\u662f\u57fa\u4e8eVue.js\u6846\u67b6\u81ea\u884c\u5f00\u53d1\u3002<\/p>\n

1. \u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/p>\n

\u76ee\u524d\u5e02\u9762\u4e0a\u6709\u8bb8\u591a\u4f18\u79c0\u7684JavaScript\u5e93\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0WebApp Vue \u626b\u4e00\u626b\u7684\u529f\u80fd\u3002\u5176\u4e2d\uff0cZxing\u662f\u4e00\u79cd\u975e\u5e38\u6d41\u884c\u7684\u4e8c\u7ef4\u7801\u89e3\u7801\u5e93\uff0c\u5b83\u53ef\u4ee5\u89e3\u6790\u5404\u79cd\u7c7b\u578b\u7684\u4e8c\u7ef4\u7801\u548c\u6761\u5f62\u7801\u3002\u4f7f\u7528Zxing\u53ef\u4ee5\u5feb\u901f\u5b9e\u73b0WebApp Vue \u626b\u4e00\u626b\u7684\u529f\u80fd\uff0c\u5177\u4f53\u4ee3\u7801\u53ef\u53c2\u8003\u4ee5\u4e0b\u793a\u4f8b\uff1a<\/p>\n

“`javascript<\/p>\n

\n

\n

import QrScanner from “qr-scanner”;<\/p>\n

import “qr-scanner\/qr-scanner-worker.min.js”;<\/p>\n

export default {<\/p>\n

mounted() {<\/p>\n

const video = this.$refs.video;<\/p>\n

QrScanner.hasCamera().then(hasCamera => {<\/p>\n

if (!hasCamera) {<\/p>\n

alert(“No camera found!”);<\/p>\n

return;<\/p>\n

}<\/p>\n

const scanner = new QrScanner(video, result => {<\/p>\n

alert(result);<\/p>\n

});<\/p>\n

scanner.start();<\/p>\n

});<\/p>\n

},<\/p>\n

};<\/p>\n<\/p>\n

“`<\/p>\n

2. \u57fa\u4e8eVue.js\u6846\u67b6\u81ea\u884c\u5f00\u53d1<\/p>\n

\u5982\u679c\u9700\u8981\u66f4\u52a0\u81ea\u5b9a\u4e49\u7684WebApp Vue \u626b\u4e00\u626b\u529f\u80fd\uff0c\u53ef\u4ee5\u57fa\u4e8eVue.js\u6846\u67b6\u81ea\u884c\u5f00\u53d1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n

“`javascript<\/p>\n

\n

\n

export default {<\/p>\n

data() {<\/p>\n

return {<\/p>\n

scanning: false,<\/p>\n

};<\/p>\n

},<\/p>\n

mounted() {<\/p>\n

const video = this.$refs.video;<\/p>\n

const canvas = document.createElement(“canvas”);<\/p>\n

const context = canvas.getContext(“2d”);<\/p>\n

const scan = () => {<\/p>\n

if (this.scanning) {<\/p>\n

return;<\/p>\n

}<\/p>\n

this.scanning = true;<\/p>\n

context.drawImage(video, 0, 0, canvas.width, canvas.height);<\/p>\n

const imageData = con<\/p>\n

<\/figure>\n<\/p>\n

text.getImageData(<\/p>\n

0,<\/p>\n

0,<\/p>\n

canvas.width,<\/p>\n

canvas.height<\/p>\n

);<\/p>\n

const code = jsQR(imageData.data, imageData.width, imageData.height);<\/p>\n

if (code) {<\/p>\n

alert(code.data);<\/p>\n

}<\/p>\n

this.scanning = false;<\/p>\n

requestAnimationFrame(scan);<\/p>\n

};<\/p>\n

nav\u6df7\u5408\u5f00\u53d1\u6846\u67b6\u6709\u54ea\u4e9b<\/a>igator.mediaDevices<\/p>\n

.getUserMedia({ video: { facingMode: “environment” } })<\/p>\n

.then(stream => {<\/p>\n

video.srcObject = stream;<\/p>\n

video.play();<\/p>\n

requestAnimationFrame(scan);<\/p>\n

});<\/p>\n

},<\/p>\n

};<\/p>\n<\/p>\n

“`<\/p>\n

\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86getUserMedia API\u6765\u8bbf\u95ee\u6444\u50cf\u5934\uff0c\u7136\u540e\u4f7f\u7528canvas\u6765\u6355\u83b7\u56fe\u50cf\u5e76\u89e3\u6790\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5b9e\u73b0\u66f4\u52a0\u81ea\u5b9a\u4e49\u7684WebApp Vue \u626b\u4e00\u626b\u529f\u80fd\uff0c\u4f46\u9700\u8981\u4e00\u5b9a\u7684\u5f00\u53d1\u7ecf\u9a8c\u3002<\/p>\n

\u4e09\u3001\u603b\u7ed3<\/p>\n

WebApp Vue \u626b\u4e00\u626b\u662f\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u7f51\u9875\u5e94\u7528\u7a0b\u5e8f\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u624b\u673a\u7684\u6444\u50cf\u5934\u5feb\u901f\u83b7\u53d6\u4fe1\u606f\u3002\u5728\u5b9e\u73b0WebApp Vue \u626b\u4e00\u626b\u7684\u529f\u80fd\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u4e5f\u53ef\u4ee5\u57fa\u4e8eVue.js\u6846\u67b6\u81ea\u884c\u5f00\u53d1\u3002\u65e0\u8bba\u54ea\u79cd\u65b9\u5f0f\uff0c\u90fd\u9700\u8981\u5bf9JavaScript\u548cWebRTC\u6280\u672f\u6709\u4e00\u5b9a\u7684\u4e86\u89e3\u548c\u638c\u63e1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

WebApp Vue \u626b\u4e00\u626b\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u7f51\u9875\u5e94\u7528\u7a0b\u5e8f\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u624b\u673a\u7684\u6444\u50cf\u5934\u626b\u63cf\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801\u6765\u83b7\u53d6\u4fe1\u606f\uff0c\u5982\u5546\u54c1\u4fe1\u606f\u3001\u6d3b\u52a8\u4fe1\u606f\u7b49\u3002\u8fd9\u79cd\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u57fa\u4e8eVue.js\u6846\u67b6\u5f00\u53d1\uff0cVue.js\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[956,6359,2180,2763,6358],"class_list":["post-4682","post","type-post","status-publish","format-standard","hentry","category-appkaifa","tag-956","tag-app","tag-2180","tag-2763"],"_links":{"self":[{"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/posts\/4682","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/comments?post=4682"}],"version-history":[{"count":0,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/posts\/4682\/revisions"}],"wp:attachment":[{"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/media?parent=4682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/categories?post=4682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/tags?post=4682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}