{"id":7216,"date":"2020-04-30T15:00:10","date_gmt":"2020-04-30T06:00:10","guid":{"rendered":"https:\/\/blog.capilano-fw.com\/?p=7216"},"modified":"2020-04-29T05:45:00","modified_gmt":"2020-04-28T20:45:00","slug":"webusb-vue%e3%81%a7%e3%83%97%e3%83%aa%e3%83%b3%e3%82%bf%e3%83%bc%e3%82%92%e4%bd%bf%e3%81%86","status":"publish","type":"post","link":"https:\/\/blog.capilano-fw.com\/?p=7216","title":{"rendered":"WebUSB + Vue\u3067\u30d7\u30ea\u30f3\u30bf\u30fc\u3092\u4f7f\u3046"},"content":{"rendered":"<p>\u3055\u3066\u3055\u3066\u3001\u524d\u56de\u306f\u300c<a href=\"https:\/\/blog.capilano-fw.com\/?p=7182\">\u7a93\u53e3\u306e\u53d7\u4ed8\u756a\u53f7\u30b7\u30b9\u30c6\u30e0\u3092\u3064\u304f\u308b\u30fbPython\u7de8<\/a>\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u4e3b\u306b<code>Python<\/code>\u3067USB\u63a5\u7d9a\u3057\u305f\u30d7\u30ea\u30f3\u30bf\u30fc\u3092\u64cd\u4f5c\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u305d\u306e\u4f5c\u696d\u3092\u3057\u3066\u3044\u308b\u6642\u306b\u3042\u308b\u3053\u3068\u3092\u601d\u3044\u51fa\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><strong style=\"font-size: 35px;\">\u3042\u30fc\u3001\u305d\u3046\u3044\u3048\u3070\u524d\u306f\u300cWebUSB\u300d\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u304b\u3063\u305f\u3063\u3051\u30fb\u30fb\u30fb<\/strong><\/p>\n<p>\u3068\u3002<\/p>\n<p><code>WebUSB<\/code>\u3068\u306f\u30012020.4.28\u73fe\u5728\u3001\u4ee5\u4e0b\uff13\u3064\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u65b0\u3057\u3044\u6a5f\u80fd\u3067\u3001\u306a\u3093\u3068<strong>\u30d6\u30e9\u30a6\u30b6\u304b\u3089USB\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/strong><\/p>\n<ul>\n<li>Google Chrome<\/li>\n<li>Edge<\/li>\n<li>Opera<\/li>\n<\/ul>\n<p>\u203b\u8a73\u3057\u304f\u306f<a href=\"https:\/\/caniuse.com\/#search=webusb\" target=\"_blank\" rel=\"noopener noreferrer\">Can I use<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u65b0\u3057\u3044\u3082\u306e\u597d\u304d\u306a\u306a\u306e\u3067\u3001\u904e\u53bb\u8a18\u4e8b\u300c<a href=\"https:\/\/blog.capilano-fw.com\/?p=4081\">Pasori RC-S380\u3067\u5165\u9000\u5ba4\u30b7\u30b9\u30c6\u30e0\u3092\u3064\u304f\u308b<\/a>\u300d\u306e\u3068\u304d<code>WebUSB<\/code>\u306b\u30c1\u30e3\u30ec\u30f3\u30b8\u3057\u305f\u3093\u3067\u3059\u304c\u3001\u7d50\u5c40\u4e0a\u624b\u304f\u3044\u304b\u305a\u65ad\u5ff5\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u305f\u3060\u3001\u305b\u3063\u304b\u304f\uff08\u79c1\u304b\u3089\u3059\u308b\u3068\u5b89\u304b\u3089\u306c\uff09\u30ec\u30b7\u30fc\u30c8\u30fb\u30d7\u30ea\u30f3\u30bf\u30fc\u3092\u8cfc\u5165\u3057\u305f\u306e\u3067\u6e1b\u4fa1\u511f\u5374\u7684\u306a\u30ab\u30f3\u30b8\u3067\u3082\u3046\u4e00\u5ea6\u6311\u6226\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7185\" style=\"border: 3px solid #000;\" src=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/laravel_wait_system_5.png\" alt=\"\" width=\"640\" height=\"466\" srcset=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/laravel_wait_system_5.png 640w, https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/laravel_wait_system_5-300x218.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u305d\u3053\u3067\u2757<\/p>\n<p>\u4eca\u56de\u306f<strong>\u30d6\u30e9\u30a6\u30b6\u304b\u3089USB\u63a5\u7d9a\u3055\u308c\u305f\u30d7\u30ea\u30f3\u30bf\u30fc\u3092\u64cd\u4f5c\u3057\u3001\u5165\u529b\u3055\u308c\u305f\u6587\u5b57\u3092\u30d7\u30ea\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u307f\u307e\u3059\u3002<\/strong><\/p>\n<p>\u305c\u3072\u697d\u3057\u307f\u306a\u304c\u3089\u3084\u3063\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u2757<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6070 aligncenter\" src=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/03\/no_5.png\" alt=\"\" width=\"260\" height=\"320\" srcset=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/03\/no_5.png 260w, https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/03\/no_5-244x300.png 244w\" sizes=\"auto, (max-width: 260px) 100vw, 260px\" \/><\/p>\n<p style=\"text-align: center;\">\u300c\u8a18\u4e8b\u306e\u305f\u3081\u3060\u3051\u306b\u8cb7\u3063\u305f\u306e\u3067\u3001<br \/>\n\u3082\u3046\u30d7\u30ea\u30f3\u30bf\u30fc\u4f7f\u308f\u306a\u3044\u304b\u3082\u30fb\u30fb\u30fb\ud83d\ude02\u300d<\/p>\n<p><strong>\u958b\u767a\u74b0\u5883\uff1a<\/strong> Ubuntu 18.04<\/p>\n<h1>WebUSB\u3067\u30d7\u30ea\u30f3\u30bf\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b<\/h1>\n<p>\u3053\u308c\u306f<code>Ubuntu<\/code>\u3067\u306e\u74b0\u5883\u306e\u5834\u5408\u3067\u3059\u304c\u3001<code>USB<\/code>\u3067\u30d7\u30ea\u30f3\u30bf\u30fc\u3092\u63a5\u7d9a\u3057\u305f\u3060\u3051\u3067\u306f\u5b9f\u884c\u6a29\u9650\u304c\u306a\u3044\u306e\u3067\u3001<code>WebUSB<\/code>\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3082\u62d2\u5426\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u307e\u305a\u306f<code>udev<\/code>\u3067\u30d7\u30ea\u30f3\u30bf\u30fc\u306e\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u203b\u306a\u304a\u3001<code>windows<\/code>\u306e\u5834\u5408\u306f\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<pre><strong>sudo gedit \/etc\/udev\/rules.d\/99-usbescpos.rules<\/strong><\/pre>\n<p>\u4e2d\u8eab\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<pre><strong>SUBSYSTEM==\"usb\", ATTRS{idVendor}==\"0416\", ATTRS{idProduct}==\"5011\", MODE==\"0666\"<\/strong><\/pre>\n<p>\u4fdd\u5b58\u3057\u305f\u3089\u3001\u4ee5\u4e0b\uff12\u3064\u306e\u30b3\u30de\u30f3\u30c9\u3067<code>udev<\/code>\u3092\u9069\u7528\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre>sudo udevadm control --reload-rules\r\nsudo udevadm trigger<\/pre>\n<p><strong>\u53c2\u8003\u30da\u30fc\u30b8\uff1a<\/strong> <a href=\"https:\/\/blog.cles.jp\/item\/10886\" target=\"_blank\" rel=\"noopener noreferrer\">Raspberry Pi \u3092\u4f7f\u3063\u3066\u30ec\u30b7\u30fc\u30c8\u30d7\u30ea\u30f3\u30bf\u304b\u3089\u5370\u5237\u3057\u3066\u307f\u308b<\/a>\uff08\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\ud83d\ude0a\uff09<\/p>\n<h1>HTML\u90e8\u5206\u3092\u3064\u304f\u308b<\/h1>\n<p>\u307e\u305aHTML\u90e8\u5206\u3067\u3059\u304c\u3001\u30c6\u30ad\u30b9\u30c8\u30a8\u30ea\u30a2\u3068\u30dc\u30bf\u30f3\u304c\u3042\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u5185\u5bb9\u3067\u3059\u3002<\/p>\n<pre>&lt;html&gt;\r\n&lt;head&gt;\r\n    &lt;link href=\"https:\/\/stackpath.bootstrapcdn.com\/bootstrap\/4.4.1\/css\/bootstrap.min.css\" rel=\"stylesheet\"&gt;\r\n&lt;\/head&gt;\r\n&lt;body&gt;\r\n    &lt;div id=\"app\" class=\"p-3\"&gt;\r\n        &lt;h2&gt;WebUSB + Vue\u3067\u30d7\u30ea\u30f3\u30bf\u30fc\u3092\u4f7f\u3046\u30b5\u30f3\u30d7\u30eb&lt;\/h2&gt;\r\n        &lt;div class=\"row\"&gt;\r\n            &lt;div class=\"col-md-6\"&gt;\r\n                &lt;label&gt;\u30d7\u30ea\u30f3\u30c8\u30a2\u30a6\u30c8\u3059\u308b\u5185\u5bb9&lt;\/label&gt;\r\n                <strong>&lt;!-- \u5370\u5237\u3059\u308b\u5185\u5bb9 --&gt;<\/strong>\r\n<strong>                &lt;textarea class=\"form-control\" v-model=\"printText\" placeholder=\"\u5370\u5237\u3057\u305f\u3044\u5185\u5bb9\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u82f1\u6570\u5b57\u306e\u307f\uff09\"&gt;&lt;\/textarea&gt;<\/strong>\r\n            &lt;\/div&gt;\r\n        &lt;\/div&gt;\r\n        &lt;div class=\"row\"&gt;\r\n            &lt;div class=\"col-md-6\"&gt;\r\n                <strong>&lt;!-- \u30af\u30ea\u30c3\u30af\u3057\u305f\u3089\u5370\u5237 --&gt;<\/strong>\r\n<strong>                &lt;button type=\"button\" class=\"btn btn-primary mt-2\" :disabled=\"!printerDevice\" @click=\"print\"&gt;\u5370\u5237\u3059\u308b&lt;\/button&gt;<\/strong>\r\n            &lt;\/div&gt;\r\n        &lt;\/div&gt;\r\n    &lt;\/div&gt;\r\n    &lt;script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/vue\/2.6.11\/vue.min.js\"&gt;&lt;\/script&gt;\r\n    &lt;script&gt;\r\n\r\n        new Vue({\r\n            \r\n            \/\/ \u3053\u3053\u306eVue\r\n\r\n        });\r\n\r\n    &lt;\/script&gt;\r\n&lt;\/body&gt;\r\n&lt;\/html&gt;<\/pre>\n<p>\u5b9f\u969b\u306b\u8868\u793a\u3059\u308b\u3068\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7225\" style=\"border: 3px solid #000;\" src=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/webusb_printer_2.png\" alt=\"\" width=\"640\" height=\"209\" srcset=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/webusb_printer_2.png 640w, https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/webusb_printer_2-300x98.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<h1>JavaScript\u90e8\u5206\u3092\u3064\u304f\u308b<\/h1>\n<p>\u7d9a\u3044\u3066<code>JavaScript<\/code>\u90e8\u5206\u3067\u3059\u3002<\/p>\n<pre>new Vue({\r\n    el: '#app',\r\n    data: {\r\n        printerDevice: null,\r\n        printText: '',\r\n        <strong>vendorId: 1046 \/\/ \u30d9\u30f3\u30c0\u30fcID \u30fb\u30fb\u30fb \u2460<\/strong>\r\n    },\r\n    methods: {\r\n        <strong>print() { \/\/ \u5370\u5237\u3059\u308b \u30fb\u30fb\u30fb \u2461\r\n\r\n            if(this.printText) {\r\n\r\n                const encoder = new TextEncoder();\r\n                const data = encoder.encode(this.printText +\"\\n\");\r\n                this.printerDevice.transferOut(1, data)\r\n                    .catch(error =&gt; {\r\n\r\n                        alert('\u30a8\u30e9\u30fc\uff1a'+ error);\r\n\r\n                    });\r\n\r\n            } else {\r\n\r\n                alert('\u30a8\u30e9\u30fc\uff1a\u30c6\u30ad\u30b9\u30c8\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002');\r\n\r\n            }\r\n\r\n        },<\/strong>\r\n    },\r\n    mounted() {\r\n\r\n        <strong>\/\/ \ud83d\udc47 \u30c7\u30d0\u30a4\u30b9\uff08\u30d7\u30ea\u30f3\u30bf\u30fc\uff09\u306e\u53d6\u5f97 \u30fb\u30fb\u30fb \u2462\r\n        navigator.usb.getDevices()\r\n            .then(devices =&gt; {\r\n\r\n                if(devices.length) {\r\n\r\n                    for(let device of devices) {\r\n\r\n                        if(device.vendorId === this.vendorId) { \/\/ \ud83d\udc48 \u4eca\u56de\u306e\u30d7\u30ea\u30f3\u30bf\u30fc\u306e\u3068\u304d\u3060\u3051\u5b9f\u884c\r\n\r\n                            this.printerDevice = device;\r\n                            return this.printerDevice.open()\r\n                                .then(() =&gt; this.printerDevice.selectConfiguration(1))\r\n                                .then(() =&gt; this.printerDevice.claimInterface(0));\r\n\r\n                        }\r\n\r\n                    }\r\n\r\n                }\r\n\r\n            })\r\n            .catch(error =&gt; {\r\n\r\n                alert('\u30a8\u30e9\u30fc\uff1a'+ error);\r\n\r\n            });<\/strong>\r\n\r\n    }\r\n});<\/pre>\n<p>\u3053\u3053\u3067\u3084\u3063\u3066\u3044\u308b\u306e\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p><strong>\u2460\u30d9\u30f3\u30c0\u30fcID<\/strong><\/p>\n<p>\u4eca\u56de\u4f7f\u7528\u3059\u308b\u30d7\u30ea\u30f3\u30bf\u30fc\u306e\u30d9\u30f3\u30c0\u30fcID\uff08\u751f\u7523\u8005ID\uff09\u3067\u3059\u3002<br \/>\n\u306a\u304a\u3001\u63a5\u7d9a\u4e2d\u306eUSB\u30c7\u30d0\u30a4\u30b9\u306e\u60c5\u5831\u306f\u6b21\u306e\u3088\u3046\u306b\u3059\u308b\u3068\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre>navigator.usb.getDevices()\r\n    .then(devices =&gt; {\r\n\r\n        <strong>console.log(devices); \/\/ \ud83d\udc48 \u30c7\u30d0\u30a4\u30b9\u60c5\u5831\u3092\u8868\u793a<\/strong>\r\n\r\n\/\/ \u7701\u7565<\/pre>\n<p>\u4f8b\u3048\u3070\u3053\u3093\u306a\u30ab\u30f3\u30b8\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7224\" style=\"border: 3px solid #000;\" src=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/webusb_printer_1.png\" alt=\"\" width=\"421\" height=\"409\" srcset=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/webusb_printer_1.png 421w, https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/webusb_printer_1-300x291.png 300w\" sizes=\"auto, (max-width: 421px) 100vw, 421px\" \/><\/p>\n<p>\u203b\u306a\u304a\u3001\u304d\u3061\u3093\u3068\u63a5\u7d9a\u3067\u304d\u3066\u3044\u306a\u3044\u5834\u5408\u306f<code>opened<\/code>\u304c<code>false<\/code>\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u2461\u5370\u5237\u3059\u308b<\/strong><\/p>\n<p>\u5b9f\u969b\u306b<code>WebUSB<\/code>\u3092\u901a\u3057\u3066\u5370\u5237\u3092\u5b9f\u884c\u3059\u308b\u90e8\u5206\u3067\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f<code>transferOut()<\/code>\u306b\u30bb\u30c3\u30c8\u3059\u308b\u5185\u5bb9\u306f<code>TextEncoder<\/code>\u3067\u5909\u63db\u3055\u308c\u305f<code>Uint8Array<\/code>\u30c7\u30fc\u30bf\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u6700\u5f8c\u306b\u6539\u884c\u30b3\u30fc\u30c9\u3092\u5165\u308c\u3066\u304a\u304f\u3053\u3068\u3082\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre>encoder.encode(this.printText +<strong>\"\\n\"<\/strong>); <strong>\/\/ \ud83d\udc48 \u6539\u884c\u3092\u5fd8\u308c\u306a\u3044\u3067<\/strong><\/pre>\n<p>\u306a\u305c\u306a\u3089\u3001\u3053\u308c\u3092\u3057\u306a\u3044\u3068\u30ec\u30b7\u30fc\u30c8\u3092\u5916\u306b\u5410\u304d\u51fa\u3057\u3066\u304f\u308c\u306a\u3044\u304b\u3089\u3067\u3059\u3002\uff08\u79c1\u306f\u3059\u3063\u304b\u308a\u30cf\u30de\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\ud83d\ude02\uff09<\/p>\n<p><strong>\u2462\u30c7\u30d0\u30a4\u30b9\uff08\u30d7\u30ea\u30f3\u30bf\u30fc\uff09\u306e\u53d6\u5f97<\/strong><\/p>\n<p>\u4e00\u756a\u6700\u521d\u306b\u5b9f\u884c\u3055\u308c\u308b\u90e8\u5206\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u4e2d\u3067\u306f\u3001<code>navigator.usb.getDevices()<\/code>\u3067\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u5168\u3066\u3092\u53d6\u5f97\u3057\u3001\u305d\u306e\u4e2d\u304b\u3089\u4eca\u56de\u306e\u30d7\u30ea\u30f3\u30bf\u30fc\u3060\u3051<code>printerDevice<\/code>\u3068\u3057\u3066\u5909\u6570\u306b\u683c\u7d0d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h1>\u30c6\u30b9\u30c8\u3057\u3066\u307f\u308b<\/h1>\n<p>\u3067\u306f\u5b9f\u969b\u306b\u30c6\u30b9\u30c8\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u2757<\/p>\n<p>\u300c<strong>Thank you all! ^o^<\/strong>\u300d\u3068\u5165\u529b\u3057\u3066\u5370\u5237\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7226\" style=\"border: 3px solid #000;\" src=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/webusb_printer_3.png\" alt=\"\" width=\"640\" height=\"211\" srcset=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/webusb_printer_3.png 640w, https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/webusb_printer_3-300x99.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u3059\u308b\u3068\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7227\" style=\"border: 3px solid #000;\" src=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/webusb_printer_4.png\" alt=\"\" width=\"640\" height=\"619\" srcset=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/webusb_printer_4.png 640w, https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/04\/webusb_printer_4-300x290.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u3046\u307e\u304f\u5370\u5237\u3067\u304d\u307e\u3057\u305f\ud83d\ude0a\u2728<\/p>\n<h1>\u304a\u308f\u308a\u306b<\/h1>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u4eca\u56de\u306f\u904e\u53bb\u306b\u60e8\u6557\u3057\u305f<code>WebUSB<\/code>\u3078\u30ea\u30d9\u30f3\u30b8\u3057\u3066\u307f\u307e\u3057\u305f\u3002\uff08\u3046\u307e\u304f\u3044\u3063\u3066\u30db\u30c3\u3068\u3057\u3066\u3044\u307e\u3059\ud83d\ude06\uff09<\/p>\n<p>\u306a\u304a\u3001\u4eca\u56de\u306e\u30b3\u30fc\u30c9\u306f\u898b\u3066\u3044\u305f\u3060\u304f\u3068\u5206\u304b\u308b\u3068\u304a\u308a<strong>\u82f1\u6570\u5b57\u3060\u3051\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n<p>\u4e00\u5fdc\u65e5\u672c\u8a9e\u5bfe\u5fdc\u3082\u8abf\u3079\u3066\u307f\u305f\u3093\u3067\u3059\u304c\u3001\u524d\u56de\u8a18\u4e8b\u306e<code>Python<\/code>\u306e\u3088\u3046\u306b\u300c\u753b\u50cf\u3068\u3057\u3066\u300d\u51fa\u529b\u3059\u308b\u65b9\u6cd5\u3082\u8a66\u3057\u307e\u3057\u305f\u304c\u3046\u307e\u304f\u3044\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3053\u306e\u70b9\u306f\u307e\u305f\u6b21\u306e\u6a5f\u4f1a\u306b\u30ea\u30d9\u30f3\u30b8\u3067\u304d\u305f\u3089\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30b8\u30bf\u30eb\u3068\u30ea\u30a2\u30eb\u304c\u878d\u5408\u3067\u304d\u308b\u826f\u3044\u4f8b\u3067\u3059\u306e\u3067\u3001\u305c\u3072\u7686\u3055\u3093\u3082\u697d\u3057\u3093\u3067\u3084\u3063\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n<p>\u3067\u306f\u3067\u306f\u301c\u2757<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6067 aligncenter\" src=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/03\/no_19.png\" alt=\"\" width=\"314\" height=\"320\" srcset=\"https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/03\/no_19.png 314w, https:\/\/blog.capilano-fw.com\/wp-content\/uploads\/2020\/03\/no_19-294x300.png 294w\" sizes=\"auto, (max-width: 314px) 100vw, 314px\" \/><\/p>\n<p style=\"text-align: center;\">\u300cWebUSB\u304c\u4f7f\u3048\u308b\u3068\u3001<br \/>\n\u4ed6\u306b\u3082\u3044\u308d\u3093\u306a\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u2757\u300d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3055\u3066\u3055\u3066\u3001\u524d\u56de\u306f\u300c\u7a93\u53e3\u306e\u53d7\u4ed8\u756a\u53f7\u30b7\u30b9\u30c6\u30e0\u3092\u3064\u304f\u308b\u30fbPython\u7de8\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u4e3b\u306bPython\u3067USB\u63a5\u7d9a\u3057\u305f\u30d7\u30ea\u30f3\u30bf\u30fc\u3092\u64cd\u4f5c\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u305d\u3057\u3066\u3001\u305d\u306e\u4f5c\u696d\u3092 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/blog.capilano-fw.com\/?p=7216\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;WebUSB + Vue\u3067\u30d7\u30ea\u30f3\u30bf\u30fc\u3092\u4f7f\u3046&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":7220,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[159],"class_list":["post-7216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vue-js","tag-webusb"],"_links":{"self":[{"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/posts\/7216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7216"}],"version-history":[{"count":8,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/posts\/7216\/revisions"}],"predecessor-version":[{"id":7229,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/posts\/7216\/revisions\/7229"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/media\/7220"}],"wp:attachment":[{"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}