{"id":31871,"date":"2023-04-06T17:41:29","date_gmt":"2023-12-20T04:44:42","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%88%b6%e4%bd%9c%e4%b8%80%e4%b8%aa%e7%94%a8%e4%ba%8e%e6%89%ab%e6%8f%8fqr%e7%a0%81%e7%9a%84linebot%e3%80%90%e4%bd%bf%e7%94%a8node-js%e3%80%91\/"},"modified":"2024-04-29T22:13:59","modified_gmt":"2024-04-29T14:13:59","slug":"%e5%88%b6%e4%bd%9c%e4%b8%80%e4%b8%aa%e7%94%a8%e4%ba%8e%e6%89%ab%e6%8f%8fqr%e7%a0%81%e7%9a%84linebot%e3%80%90%e4%bd%bf%e7%94%a8node-js%e3%80%91","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%88%b6%e4%bd%9c%e4%b8%80%e4%b8%aa%e7%94%a8%e4%ba%8e%e6%89%ab%e6%8f%8fqr%e7%a0%81%e7%9a%84linebot%e3%80%90%e4%bd%bf%e7%94%a8node-js%e3%80%91\/","title":{"rendered":"\u5236\u4f5c\u4e00\u4e2a\u7528\u4e8e\u626b\u63cfQR\u7801\u7684LINEBot\u3010\u4f7f\u7528Node.js\u3011"},"content":{"rendered":"

\u5b8c\u6210\u6f14\u793a<\/h1>\n

\u6211\u9762\u4e34\u7684\u95ee\u9898<\/h1>\n
nodejs\u3067QR\u30b3\u30fc\u30c9\u3092\u89e3\u6790\u3059\u308b\u5834\u5408\u3001fs\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u914d\u4e0b\u306b\u753b\u50cf\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\r\nAWS Lambda\u3067\u305d\u308c\u3092\u3084\u308d\u3046\u3068\u3059\u308b\u3068\u3001read only\u306a\u306e\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306f\u3067\u304d\u306a\u3044\u3068\u8a00\u308f\u308c\u3066\u56f0\u3063\u305f\u3002\r\nS3\u306a\u3093\u304b\u306b\u753b\u50cf\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u624b\u3082\u3042\u3063\u305f\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3001\u305d\u3053\u307e\u3067\u306e\u3053\u3068\u3067\u3082\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u89e3\u6c7a\u7b56\u3092\u63a2\u3057\u305f\u3002\r\n<\/code><\/pre>\n
\"undefined\"<\/div>\n
\u25bc\u53c2\u8003\u7f51\u7ad9
\n\u4f7f\u7528Node.js\u8bfb\u53d6QR\u7801<\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h1>\n
\u4f7f\u7528jimp\u548cqrcode-reader\u6a21\u5757\u83b7\u53d6\u4eceLINE\u53d1\u9001\u6765\u7684\u56fe\u7247<\/p>\n
\/\/Lambda\u3067\u52d5\u304b\u3059<\/span>\r\n\"<\/span>use strict<\/span>\"<\/span>;<\/span>\r\n\/\/ \u30e2\u30b8\u30e5\u30fc\u30eb\u547c\u3073\u51fa\u3057<\/span>\r\nconst<\/span> crypto<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>crypto<\/span>\"<\/span>);<\/span>\r\nconst<\/span> line<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>@line\/bot-sdk<\/span>\"<\/span>);<\/span>\r\nconst<\/span> QRReader<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>qrcode-reader<\/span>\"<\/span>);<\/span>\r\nconst<\/span> jimp<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>jimp<\/span>\"<\/span>);<\/span>\r\n\r\n\/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210<\/span>\r\nconst<\/span> client<\/span> =<\/span> new<\/span> line<\/span>.<\/span>Client<\/span>({<\/span> channelAccessToken<\/span>:<\/span> process<\/span>.<\/span>env<\/span>.<\/span>ACCESSTOKEN<\/span> });<\/span>\r\n\r\nexports<\/span>.<\/span>handler<\/span> =<\/span> (<\/span>event<\/span>)<\/span> =><\/span> {<\/span>\r\n  let<\/span> signature<\/span> =<\/span> crypto<\/span>\r\n    .<\/span>createHmac<\/span>(<\/span>\"<\/span>sha256<\/span>\"<\/span>,<\/span> process<\/span>.<\/span>env<\/span>.<\/span>CHANNELSECRET<\/span>)<\/span>\r\n    .<\/span>update<\/span>(<\/span>event<\/span>.<\/span>body<\/span>)<\/span>\r\n    .<\/span>digest<\/span>(<\/span>\"<\/span>base64<\/span>\"<\/span>);<\/span>\r\n  let<\/span> checkHeader<\/span> =<\/span> (<\/span>event<\/span>.<\/span>headers<\/span> ||<\/span> {})[<\/span>\"<\/span>X-Line-Signature<\/span>\"<\/span>];<\/span>\r\n  if<\/span> (<\/span>!<\/span>checkHeader<\/span>)<\/span> {<\/span>\r\n    checkHeader<\/span> =<\/span> (<\/span>event<\/span>.<\/span>headers<\/span> ||<\/span> {})[<\/span>\"<\/span>x-line-signature<\/span>\"<\/span>];<\/span>\r\n  }<\/span>\r\n\r\n  const<\/span> body<\/span> =<\/span> JSON<\/span>.<\/span>parse<\/span>(<\/span>event<\/span>.<\/span>body<\/span>);<\/span>\r\n  const<\/span> events<\/span> =<\/span> body<\/span>.<\/span>events<\/span>;<\/span>\r\n  console<\/span>.<\/span>log<\/span>(<\/span>events<\/span>);<\/span>\r\n\r\n  \/\/ \u7f72\u540d\u691c\u8a3c\u304c\u6210\u529f\u3057\u305f\u5834\u5408<\/span>\r\n  if<\/span> (<\/span>signature<\/span> ===<\/span> checkHeader<\/span>)<\/span> {<\/span>\r\n    events<\/span>.<\/span>forEach<\/span>(<\/span>async<\/span> (<\/span>event<\/span>)<\/span> =><\/span> {<\/span>\r\n      let<\/span> message<\/span>;<\/span>\r\n      switch<\/span> (<\/span>event<\/span>.<\/span>type<\/span>)<\/span> {<\/span>\r\n        case<\/span> \"<\/span>message<\/span>\"<\/span>:<\/span>\r\n          message<\/span> =<\/span> await<\/span> messageFunc<\/span>(<\/span>event<\/span>);<\/span>\r\n          break<\/span>;<\/span>\r\n        case<\/span> \"<\/span>postback<\/span>\"<\/span>:<\/span>\r\n          message<\/span> =<\/span> await<\/span> postbackFunc<\/span>(<\/span>event<\/span>);<\/span>\r\n          break<\/span>;<\/span>\r\n        case<\/span> \"<\/span>follow<\/span>\"<\/span>:<\/span>\r\n          message<\/span> =<\/span> {<\/span> type<\/span>:<\/span> \"<\/span>text<\/span>\"<\/span>,<\/span> text<\/span>:<\/span> \"<\/span>\u8ffd\u52a0\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\uff01<\/span>\"<\/span> };<\/span>\r\n          break<\/span>;<\/span>\r\n      }<\/span>\r\n      \/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8fd4\u4fe1<\/span>\r\n      if<\/span> (<\/span>message<\/span> !=<\/span> undefined<\/span>)<\/span> {<\/span>\r\n        await<\/span> sendFunc<\/span>(<\/span>body<\/span>.<\/span>events<\/span>[<\/span>0<\/span>].<\/span>replyToken<\/span>,<\/span> message<\/span>);<\/span>\r\n        \/\/ .then(console.log)<\/span>\r\n        \/\/ .catch(console.log);<\/span>\r\n        return<\/span>;<\/span>\r\n      }<\/span>\r\n    });<\/span>\r\n  }<\/span>\r\n  \/\/ \u7f72\u540d\u691c\u8a3c\u306b\u5931\u6557\u3057\u305f\u5834\u5408<\/span>\r\n  else<\/span> {<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>\u7f72\u540d\u8a8d\u8a3c\u30a8\u30e9\u30fc<\/span>\"<\/span>);<\/span>\r\n  }<\/span>\r\n};<\/span>\r\n\r\nasync<\/span> function<\/span> sendFunc<\/span>(<\/span>replyToken<\/span>,<\/span> mes<\/span>)<\/span> {<\/span>\r\n  const<\/span> result<\/span> =<\/span> new<\/span> Promise<\/span>(<\/span>function<\/span> (<\/span>resolve<\/span>,<\/span> reject<\/span>)<\/span> {<\/span>\r\n    client<\/span>.<\/span>replyMessage<\/span>(<\/span>replyToken<\/span>,<\/span> mes<\/span>).<\/span>then<\/span>((<\/span>response<\/span>)<\/span> =><\/span> {<\/span>\r\n      resolve<\/span>(<\/span>\"<\/span>\u9001\u4fe1\u5b8c\u4e86<\/span>\"<\/span>);<\/span>\r\n    });<\/span>\r\n  });<\/span>\r\n  return<\/span> result<\/span>;<\/span>\r\n}<\/span>\r\n\r\nasync<\/span> function<\/span> messageFunc<\/span>(<\/span>event<\/span>)<\/span> {<\/span>\r\n  let<\/span> message<\/span> =<\/span> \"\"<\/span>;<\/span>\r\n  message<\/span> =<\/span> {<\/span> type<\/span>:<\/span> \"<\/span>text<\/span>\"<\/span>,<\/span> text<\/span>:<\/span> `\u30e1\u30c3\u30bb\u30fc\u30b8\u30a4\u30d9\u30f3\u30c8`<\/span> };<\/span>\r\n  if<\/span> (<\/span>event<\/span>.<\/span>message<\/span>.<\/span>type<\/span> ===<\/span> \"<\/span>image<\/span>\"<\/span>)<\/span> {<\/span>\r\n    const<\/span> imageBuffer<\/span> =<\/span> await<\/span> (()<\/span> =><\/span>\r\n      new<\/span> Promise<\/span>((<\/span>resolve<\/span>)<\/span> =><\/span> {<\/span>\r\n        client<\/span>.<\/span>getMessageContent<\/span>(<\/span>event<\/span>.<\/span>message<\/span>.<\/span>id<\/span>).<\/span>then<\/span>((<\/span>stream<\/span>)<\/span> =><\/span> {<\/span>\r\n          const<\/span> bufs<\/span> =<\/span> [];<\/span>\r\n          stream<\/span>.<\/span>on<\/span>(<\/span>\"<\/span>data<\/span>\"<\/span>,<\/span> (<\/span>chunk<\/span>)<\/span> =><\/span> {<\/span>\r\n            bufs<\/span>.<\/span>push<\/span>(<\/span>chunk<\/span>);<\/span>\r\n          });<\/span>\r\n          stream<\/span>.<\/span>on<\/span>(<\/span>\"<\/span>end<\/span>\"<\/span>,<\/span> async<\/span> ()<\/span> =><\/span> {<\/span>\r\n            resolve<\/span>(<\/span>Buffer<\/span>.<\/span>concat<\/span>(<\/span>bufs<\/span>));<\/span>\r\n          });<\/span>\r\n          stream<\/span>.<\/span>on<\/span>(<\/span>\"<\/span>error<\/span>\"<\/span>,<\/span> (<\/span>err<\/span>)<\/span> =><\/span> {<\/span>\r\n            \/\/ error handling<\/span>\r\n          });<\/span>\r\n        });<\/span>\r\n      }))();<\/span>\r\n    const<\/span> img<\/span> =<\/span> await<\/span> jimp<\/span>.<\/span>read<\/span>(<\/span>imageBuffer<\/span>);<\/span>\r\n    const<\/span> qr<\/span> =<\/span> new<\/span> QRReader<\/span>();<\/span>\r\n    const<\/span> value<\/span> =<\/span> await<\/span> new<\/span> Promise<\/span>((<\/span>resolve<\/span>,<\/span> reject<\/span>)<\/span> =><\/span> {<\/span>\r\n      qr<\/span>.<\/span>callback<\/span> =<\/span> (<\/span>err<\/span>,<\/span> v<\/span>)<\/span> =><\/span> (<\/span>err<\/span> !=<\/span> null<\/span> ?<\/span> reject<\/span>(<\/span>err<\/span>)<\/span> :<\/span> resolve<\/span>(<\/span>v<\/span>));<\/span>\r\n      qr<\/span>.<\/span>decode<\/span>(<\/span>img<\/span>.<\/span>bitmap<\/span>);<\/span>\r\n    });<\/span>\r\n    message<\/span> =<\/span> {<\/span> type<\/span>:<\/span> \"<\/span>text<\/span>\"<\/span>,<\/span> text<\/span>:<\/span> `\u89e3\u6790\u7d50\u679c<\/span>${<\/span>value<\/span>.<\/span>result<\/span>}<\/span>`<\/span> };<\/span>\r\n  }<\/span>\r\n  return<\/span> message<\/span>;<\/span>\r\n}<\/span>\r\nconst<\/span> postbackFunc<\/span> =<\/span> async<\/span> function<\/span> (<\/span>event<\/span>)<\/span> {<\/span>\r\n  let<\/span> message<\/span> =<\/span> \"\"<\/span>;<\/span>\r\n  message<\/span> =<\/span> {<\/span> type<\/span>:<\/span> \"<\/span>text<\/span>\"<\/span>,<\/span> text<\/span>:<\/span> \"<\/span>\u30dd\u30b9\u30c8\u30d0\u30c3\u30af\u30a4\u30d9\u30f3\u30c8<\/span>\"<\/span> };<\/span>\r\n  return<\/span> message<\/span>;<\/span>\r\n};<\/span>\r\n\r\n<\/code><\/pre>\n
\u4ed3\u5e93<\/h1>\n
\u6211\u4e5f\u505a\u4e86\u4e00\u4e2alambda\u7248\u672c\u3002<\/h1>\n
\u6700\u540e<\/h1>\n
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\u5b8c\u6210\u6f14\u793a \u6211\u9762\u4e34\u7684\u95ee\u9898 nodejs\u3067QR\u30b3\u30fc\u30c9\u3092\u89e3\u6790\u3059\u308b\u5834\u5408\u3001fs\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u914d\u4e0b\u306b\u753b\u50cf\u3092\u30c0\u30a6\u30f3 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31871","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u5236\u4f5c\u4e00\u4e2a\u7528\u4e8e\u626b\u63cfQR\u7801\u7684LINEBot\u3010\u4f7f\u7528Node.js\u3011 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5236\u4f5c\u4e00\u4e2a\u7528\u4e8e\u626b\u63cfqr\u7801\u7684linebot\u3010\u4f7f\u7528node-js\u3011\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5236\u4f5c\u4e00\u4e2a\u7528\u4e8e\u626b\u63cfQR\u7801\u7684LINEBot\u3010\u4f7f\u7528Node.js\u3011\" \/>\n<meta property=\"og:description\" content=\"\u5b8c\u6210\u6f14\u793a \u6211\u9762\u4e34\u7684\u95ee\u9898 nodejs\u3067QR\u30b3\u30fc\u30c9\u3092\u89e3\u6790\u3059\u308b\u5834\u5408\u3001fs\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u914d\u4e0b\u306b\u753b\u50cf\u3092\u30c0\u30a6\u30f3 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5236\u4f5c\u4e00\u4e2a\u7528\u4e8e\u626b\u63cfqr\u7801\u7684linebot\u3010\u4f7f\u7528node-js\u3011\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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