优化：支持控制是否显示

demo.html

@@ -129,7 +129,11 @@
       output("call ready");
       hide();
       var url = "https://vet.iqudoo.com/api?action=api.biz.wechat.JSSDKConfig";
-      initSDK({ initWechatJssdk: { apiUrl: url } }, function () {
+      initSDK({ 
+        webCanvasEnabled: true,
+        webScanBeepEnabled: true,
+        initWechatJssdk: { apiUrl: url } 
+      }, function () {
         IScan.setStatusListener(function (res) {
           output("status", IScan.getStatus());
         });

dist/index.d.ts

@@ -6,6 +6,22 @@ interface ScanConfigOptions {
    * 网页扫码canvas样式
    */
   webCanvasStyle?: string,
+  /**
+   * 网页扫码类型，默认支持二维码和条码
+   */
+  webScanType?: ('qrCode' | 'barCode')[],
+  /**
+   * 网页扫码canvas是否启用，默认启用
+   */
+  webCanvasEnabled?: boolean,
+  /**
+   * 网页扫码成功提示音地址，默认使用内置提示音
+   */
+  webScanBeepAudio?: string,
+  /**
+   * 网页扫码成功提示音是否启用，默认启用
+   */
+  webScanBeepEnabled?: boolean,
   /**
    * 微信JSSDK配置，微信环境才会生效，配置后会自动初始化微信JSSDK
    */
@@ -14,6 +30,31 @@ interface ScanConfigOptions {
      * 微信JSSDK配置API地址，调用接口会带上当前页面url作为参数
      */
     apiUrl: string,
+    /**
+     * 微信JSSDK配置参数，不配置则自动获取
+     */
+    sdkConfig?: {
+      /**
+       * 是否开启调试模式
+       */ 
+      debug?: boolean,
+      /**
+       * 微信公众平台应用ID
+       */
+      appId: string,
+      /**
+       * 时间戳
+       */
+      timestamp: number,
+      /**
+       * 随机字符串
+       */
+      nonceStr: string,
+      /**
+       * 签名
+       */
+      signature: string,
+    },
     /**
      * 微信JSSDK配置SDK地址，默认为https://res.wx.qq.com/open/js/jweixin-1.6.0.js
      */

dist/index.html

@@ -100,7 +100,11 @@
       output("call ready");
       hide();
       var url = "https://vet.iqudoo.com/api?action=api.biz.wechat.JSSDKConfig";
-      initSDK({ initWechatJssdk: { apiUrl: url } }, function () {
+      initSDK({ 
+        webCanvasEnabled: true,
+        webScanBeepEnabled: true,
+        initWechatJssdk: { apiUrl: url } 
+      }, function () {
         IScan.setStatusListener(function (res) {
           output("status", IScan.getStatus());
         });

src/services/config.js

@@ -13,11 +13,13 @@ export function getVersion() {
 }
 
 export function getConfig(key) {
-  let item = _customConfig[key];
+  if (Object.prototype.hasOwnProperty.call(_customConfig, key)) {
-  if (!item) {
+    return _customConfig[key];
-    item = _defConfig[key];
   }
-  return item;
+  if (Object.prototype.hasOwnProperty.call(_defConfig, key)) {
+    return _defConfig[key];
+  }
+  return undefined;
 }
 
 export function setConfig(config) {

src/services/web/index.js

@@ -1,11 +1,14 @@
 import { createUUID } from "../../utils/uuid";
 import { getConfig } from "../config";
+import scanBeepAudio from "../../../res/scan_beep.ogg";
 
 const scanWeb = {
   uuid: null,
   finish: true
 }
 
+const DEFAULT_SCAN_BEEP_AUDIO = scanBeepAudio;
+
 function removeEl(id) {
   try {
     let el = document.getElementById(id);
@@ -101,6 +104,24 @@ function drawBarcode(context, width, barcode) {
   }
 }
 
+function playScanBeep() {
+  if (getConfig("webScanBeepEnabled") === false) {
+    return;
+  }
+  const audioSrc = getConfig("webScanBeepAudio") || DEFAULT_SCAN_BEEP_AUDIO;
+  if (!audioSrc || typeof Audio === 'undefined') {
+    return;
+  }
+  try {
+    const audio = new Audio(audioSrc);
+    const playPromise = audio.play();
+    playPromise && playPromise.catch && playPromise.catch(() => {
+      // no thing
+    });
+  } catch (e) {
+  }
+}
+
 export function isSupportWebScan() {
   return typeof navigator !== 'undefined'
     && navigator.mediaDevices
@@ -184,7 +205,7 @@ function detectImageFile(detector, file) {
 }
 
 export function startScanForImage() {
-  return createBarcodeDetector(getConfig("scanType")).then(detector => {
+  return createBarcodeDetector(getConfig("webScanType")).then(detector => {
     return chooseImageFile().then(file => detectImageFile(detector, file));
   }).then(code => {
     if (code && code.rawValue) {
@@ -207,6 +228,7 @@ export function startScanForWeb(canvasStyle, onResult) {
       let videoEl = createEl("video",
         "__webscan_video__",
         "display: none", false);
+      let canvasEnabled = getConfig("webCanvasEnabled") !== false;
       let canvasDisplay = "";
       let canvasBaseStyle = canvasStyle || "position: fixed; width: 300px; height: 240px; top: 0; left: 0; z-index: 9999;";
       let canvasEl = createEl("canvas",
@@ -221,7 +243,7 @@ export function startScanForWeb(canvasStyle, onResult) {
       videoEl.width = 300;
       videoEl.height = 300;
       videoEl.uuid = scanWeb.uuid;
-      createBarcodeDetector(getConfig("scanType")).then(detector => {
+      createBarcodeDetector(getConfig("webScanType")).then(detector => {
         return navigator.mediaDevices.getUserMedia({
           video: {
             facingMode: "environment"
@@ -238,15 +260,6 @@ export function startScanForWeb(canvasStyle, onResult) {
         videoEl.srcObject = stream;
         videoEl.setAttribute("playsinline", true); // iOS使用
         videoEl.play();
-        let closeWebScan = getConfig("closeWebScan", () => {
-          // no thing
-        });
-        let displayWebScan = getConfig("displayWebScan", (canvasEl, cancal) => {
-          // no thing
-        });
-        displayWebScan && displayWebScan(canvasEl, () => {
-          stopScanForWeb();
-        });
         canvasEl.style.display = "none";
         let detecting = false;
         let displayed = false;
@@ -259,7 +272,6 @@ export function startScanForWeb(canvasStyle, onResult) {
           try {
             stream.getTracks()[0].stop();
           } catch (_e) { }
-          closeWebScan && closeWebScan();
         };
         let tick = () => {
           try {
@@ -269,7 +281,7 @@ export function startScanForWeb(canvasStyle, onResult) {
               context.setTransform(-1, 0, 0, 1, canvasEl.width, 0);
               context.drawImage(videoEl, 0, 0, canvasEl.width, canvasEl.height);
               context.setTransform(1, 0, 0, 1, 0, 0);
-              if (!displayed) {
+              if (canvasEnabled && !displayed) {
                 displayed = true;
                 canvasEl.style.display = canvasDisplay || "";
               }
@@ -277,10 +289,11 @@ export function startScanForWeb(canvasStyle, onResult) {
               detector.detect(videoEl).then(barcodes => {
                 const code = barcodes && barcodes[0];
                 if (code && code.rawValue && scanWeb.uuid == currentUuid) {
-                  if (onResult && !onResult(code.rawValue)) {
+                  if (!onResult || !onResult(code.rawValue)) {
                     return;
                   }
                   drawBarcode(context, canvasEl.width, code);
+                  playScanBeep();
                   scanWeb.uuid = null;
                   scanWeb.finish = true;
                   close();

src/services/wx/index.js

@@ -45,9 +45,12 @@ function loadWxScript() {
 
 function fetchWxConfig() {
     let initWechatJssdk = toAny(getConfig("initWechatJssdk"), {});
+    if (!!initWechatJssdk.sdkConfig) {
+        return Promise.resolve(toAny(initWechatJssdk.sdkConfig, {}));
+    }
     let apiUrl = toAny(initWechatJssdk.apiUrl, "");
     if (!apiUrl) {
-        return Promise.reject(new Error("initWechatJssdk.apiUrl is required, but not found"));
+        return Promise.reject(new Error("initWechatJssdk.apiUrl or initWechatJssdk.sdkConfig is required, but not found"));
     }
     return request({
         url: apiUrl,
@@ -61,7 +64,7 @@ function fetchWxConfig() {
             return null;
         }
         if (data.code !== 0) {
-            throw new Error(data.msg || "wx config fetch failed");
+            throw new Error(data.msg || "wechat jssdk config fetch failed");
         }
         if (data.data) {
             return data.data;
@@ -94,10 +97,10 @@ export function initWxJssdk() {
         const wx = items[0];
         const config = items[1];
         if (!wx || !wx.config) {
-            throw new Error("wx jssdk is not ready");
+            throw new Error("wechat jssdk is not ready");
         }
         if (!config) {
-            throw new Error("wx config is empty");
+            throw new Error("wechat jssdk config is empty");
         }
         const jsApiList = config.jsApiList || [];
         if (jsApiList.indexOf(WX_SCAN_API) === -1) {

types/index.d.ts

@@ -6,6 +6,22 @@ interface ScanConfigOptions {
    * 网页扫码canvas样式
    */
   webCanvasStyle?: string,
+  /**
+   * 网页扫码类型，默认支持二维码和条码
+   */
+  webScanType?: ('qrCode' | 'barCode')[],
+  /**
+   * 网页扫码canvas是否启用，默认启用
+   */
+  webCanvasEnabled?: boolean,
+  /**
+   * 网页扫码成功提示音地址，默认使用内置提示音
+   */
+  webScanBeepAudio?: string,
+  /**
+   * 网页扫码成功提示音是否启用，默认启用
+   */
+  webScanBeepEnabled?: boolean,
   /**
    * 微信JSSDK配置，微信环境才会生效，配置后会自动初始化微信JSSDK
    */
@@ -14,6 +30,31 @@ interface ScanConfigOptions {
      * 微信JSSDK配置API地址，调用接口会带上当前页面url作为参数
      */
     apiUrl: string,
+    /**
+     * 微信JSSDK配置参数，不配置则自动获取
+     */
+    sdkConfig?: {
+      /**
+       * 是否开启调试模式
+       */ 
+      debug?: boolean,
+      /**
+       * 微信公众平台应用ID
+       */
+      appId: string,
+      /**
+       * 时间戳
+       */
+      timestamp: number,
+      /**
+       * 随机字符串
+       */
+      nonceStr: string,
+      /**
+       * 签名
+       */
+      signature: string,
+    },
     /**
      * 微信JSSDK配置SDK地址，默认为https://res.wx.qq.com/open/js/jweixin-1.6.0.js
      */

webpack.base.js

@@ -28,7 +28,7 @@ const config = {
             template: 'demo.html'
         }),
         new CpWebpackPlugin([
-            { from: path.resolve('./types'), to: path.resolve('./dist') }
+            { from: path.resolve('./types'), to: path.resolve('./dist') },
         ])
     ],
     devtool: 'cheap-module-souce-map',

webpack.rules.js

@@ -23,6 +23,14 @@ const rules = [{
           limit: 8192,
         },
     }],
+}, {
+    test: /\.(ogg|mp3|wav)$/,
+    use: [{
+        loader: 'url-loader',
+        options: {
+          limit: 65536,
+        },
+    }],
 }, {
     test: /\.css$/,
     use: [{