{"id":111,"date":"2025-11-23T10:07:38","date_gmt":"2025-11-23T02:07:38","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=111"},"modified":"2025-11-23T10:07:38","modified_gmt":"2025-11-23T02:07:38","slug":"uniapp%e5%9c%a8h5%e9%a1%b5%e9%9d%a2%e5%ae%9e%e7%8e%b0%e6%89%ab%e7%a0%81%e5%8a%9f%e8%83%bdhtml5-qrcode","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2025\/11\/23\/uniapp%e5%9c%a8h5%e9%a1%b5%e9%9d%a2%e5%ae%9e%e7%8e%b0%e6%89%ab%e7%a0%81%e5%8a%9f%e8%83%bdhtml5-qrcode\/","title":{"rendered":"uniapp\u5728h5\u9875\u9762\u5b9e\u73b0\u626b\u7801\u529f\u80fd(html5-qrcode)"},"content":{"rendered":"\n<p>\u4e0b\u9762\u7ed9\u4f60\u4e00\u4efd <strong>\u5728 uni-app \u7684 H5 \u9875\u9762\u4e2d\u4f7f\u7528 <code>html5-qrcode<\/code> \u6765\u5b9e\u73b0\u626b\u7801\u529f\u80fd\u7684\u5b8c\u6574\u6307\u5357\u4e0e\u793a\u4f8b\u4ee3\u7801<\/strong>\u3002<br><code>html5-qrcode<\/code> \u662f\u76ee\u524d H5 \u7aef\u6700\u7a33\u5b9a\u7684\u7eaf\u524d\u7aef\u626b\u7801\u5e93\u4e4b\u4e00\uff0c\u652f\u6301\u4e8c\u7ef4\u7801\u3001\u6761\u5f62\u7801\uff0c\u4e14\u517c\u5bb9\u6027\u8f83\u597d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u2705 \u4e00\u3001\u51c6\u5907\u5de5\u4f5c<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5b89\u88c5 html5-qrcode<\/h3>\n\n\n\n<p>\u5982\u679c\u4f60\u662f <strong>Vue2 + HBuilderX<\/strong>\uff0c\u9879\u76ee\u4e0d\u80fd\u76f4\u63a5 npm \u5b89\u88c5\uff0c\u8fd9\u79cd\u60c5\u51b5\u53ef\u4ee5\u76f4\u63a5 CDN \u5f15\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u6cd5 A\uff1aCDN \u5f15\u5165\uff08\u6700\u7b80\u5355\uff09<\/h3>\n\n\n\n<p>\u5728 <code>index.html<\/code> \u4e2d\u52a0\u5165\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;script src=&quot;https:\/\/unpkg.com\/html5-qrcode&quot;&gt;&amp;lt;\/script&gt;\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u6cd5 B\uff1a\u4f7f\u7528 npm\uff08\u9002\u5408 uniapp Vue3 + vite \u9879\u76ee\uff09<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nnpm install html5-qrcode\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u2705 \u4e8c\u3001\u521b\u5efa\u626b\u7801\u9875\u9762<\/h1>\n\n\n\n<p>\u4ee5 <code>pages\/scan\/scan.vue<\/code> \u4e3a\u4f8b\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u63d0\u4f9b <strong>\u6700\u7b80\u7248<\/strong>\u3001<strong>\u53ef\u8fd0\u884c\u7248<\/strong>\u3001<strong>\u517c\u5bb9 uni-app H5<\/strong> \u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udccc \u4e09\u3001\u53ef\u8fd0\u884c\u793a\u4f8b\u4ee3\u7801\uff08Vue2\/3 \u5747\u9002\u7528\uff09<\/h1>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;template&gt;\n  &amp;lt;view class=&quot;scan-page&quot;&gt;\n    &amp;lt;view id=&quot;reader&quot; style=&quot;width: 300px; margin: 0 auto;&quot;&gt;&amp;lt;\/view&gt;\n    &amp;lt;view class=&quot;result&quot;&gt;\u626b\u63cf\u7ed3\u679c\uff1a{{ result }}&amp;lt;\/view&gt;\n\n    &amp;lt;button @click=&quot;startScan&quot;&gt;\u5f00\u59cb\u626b\u7801&amp;lt;\/button&gt;\n    &amp;lt;button @click=&quot;stopScan&quot;&gt;\u505c\u6b62\u626b\u7801&amp;lt;\/button&gt;\n  &amp;lt;\/view&gt;\n&amp;lt;\/template&gt;\n\n&amp;lt;script&gt;\nlet html5QrCode = null;\n\nexport default {\n  data() {\n    return {\n      result: &#039;&#039;\n    }\n  },\n\n  methods: {\n    async startScan() {\n      if (!html5QrCode) {\n        \/\/ H5 \u4e2d\u4f7f\u7528 window.Html5Qrcode\n        const Html5Qrcode = window.Html5Qrcode;\n        html5QrCode = new Html5Qrcode(&quot;reader&quot;);\n      }\n\n      const config = {\n        fps: 10,          \/\/ \u626b\u7801\u5e27\u7387\n        qrbox: 250        \/\/ \u626b\u7801\u533a\u57df\u5c3a\u5bf8\n      };\n\n      \/\/ \u8981\u6c42\u6d4f\u89c8\u5668\u4f7f\u7528\u540e\u7f6e\u6444\u50cf\u5934\n      const constraints = { facingMode: &quot;environment&quot; };\n\n      await html5QrCode.start(\n        constraints,\n        config,\n        decodedText =&gt; {\n          this.result = decodedText;\n          this.stopScan();\n        },\n        error =&gt; { \n          \/\/ \u626b\u7801\u8fc7\u7a0b\u4e2d\u4e0d\u65ad\u89e6\u53d1\uff0c\u4e0d\u9700\u8981\u63d0\u793a\n        }\n      );\n    },\n\n    stopScan() {\n      if (html5QrCode) {\n        html5QrCode.stop().catch(err =&gt; {});\n      }\n    }\n  },\n\n  onUnload() {\n    this.stopScan();\n  }\n};\n&amp;lt;\/script&gt;\n\n&amp;lt;style&gt;\n.scan-page {\n  padding: 20px;\n}\n.result {\n  margin-top: 16px;\n  font-size: 16px;\n  color: #333;\n}\n&amp;lt;\/style&gt;\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u2705 \u56db\u3001\u6ce8\u610f\u4e8b\u9879\uff08\u5fc5\u987b\u770b\uff09<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udfe6 1. H5 \u5fc5\u987b\u5728 HTTPS \u4e0b\u8fd0\u884c<\/h3>\n\n\n\n<p>\u6d4f\u89c8\u5668\u8bbf\u95ee\u6444\u50cf\u5934\u9700\u8981 HTTPS\uff0c\u9664 localhost \u4ee5\u5916\u90fd\u5fc5\u987b\u662f HTTPS\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udfe6 2. \u4e00\u5b9a\u8981\u4f7f\u7528\u540e\u7f6e\u6444\u50cf\u5934<\/h3>\n\n\n\n<p>\u5728\u79fb\u52a8\u7aef\u626b\u7801\uff0c\u9700\u8981\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n{ facingMode: &quot;environment&quot; }\n\n<\/pre><\/div>\n\n\n<p>\u5426\u5219\u4f1a\u8c03\u7528\u524d\u7f6e\u6444\u50cf\u5934\u626b\u7801\u6548\u7387\u6781\u4f4e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udfe6 3. \u8bb0\u5f97\u505c\u6b62\u626b\u7801<\/h3>\n\n\n\n<p>\u9875\u9762\u5207\u8d70\u3001\u9500\u6bc1\u65f6\u5fc5\u987b stop\uff0c\u5426\u5219\u4f1a\u5360\u7528\u6444\u50cf\u5934\u5bfc\u81f4\u9ed1\u5c4f\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nonUnload() {\n  this.stopScan();\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udccc \u4e94\u3001\u5982\u679c\u4f60\u5e0c\u671b\u505a\u6210\u81ea\u52a8\u5f39\u51fa\u626b\u7801\u6846<\/h1>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u5728 <code>onReady<\/code> \u4e2d\u76f4\u63a5\u5f00\u59cb\u626b\u63cf\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nonReady() {\n  this.startScan();\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udccc \u516d\u3001\u5904\u7406\u626b\u7801\u540e\u8df3\u8f6c<\/h1>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\ndecodedText =&gt; {\n  this.stopScan();\n  uni.navigateTo({\n    url: &#039;\/pages\/result\/result?code=&#039; + encodeURIComponent(decodedText)\n  });\n}\n\n<\/pre><\/div>","protected":false},"excerpt":{"rendered":"<p>\u4e0b\u9762\u7ed9\u4f60\u4e00\u4efd \u5728 uni-app \u7684 H5 \u9875\u9762\u4e2d\u4f7f\u7528 html5-qrcode&#8230; <a class=\"more-link\" href=\"https:\/\/www.52runoob.com\/index.php\/2025\/11\/23\/uniapp%e5%9c%a8h5%e9%a1%b5%e9%9d%a2%e5%ae%9e%e7%8e%b0%e6%89%ab%e7%a0%81%e5%8a%9f%e8%83%bdhtml5-qrcode\/\">Continue Reading &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-111","post","type-post","status-publish","format-standard","hentry","category-html5"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/comments?post=111"}],"version-history":[{"count":1,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/111\/revisions"}],"predecessor-version":[{"id":112,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/111\/revisions\/112"}],"wp:attachment":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/media?parent=111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/categories?post=111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/tags?post=111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}