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邓晓坤
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public/js/EWebBridge.js
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250
public/js/EWebBridge.js
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'use strict'
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// Promise ES6 polyfill https://github.com/taylorhakes/promise-polyfill, 如果此polyfill依然无法满足需求，那么可以引入https://github.com/stefanpenner/es6-promise
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!(function(e) {
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function n() {}
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function t(e, n) {
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return function() {
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e.apply(n, arguments)
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}
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}
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function o(e) {
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if ('object' != typeof this) throw new TypeError('Promises must be constructed via new')
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if ('function' != typeof e) throw new TypeError('not a function')
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;(this._state = 0), (this._handled = !1), (this._value = void 0), (this._deferreds = []), s(e, this)
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}
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function i(e, n) {
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for (; 3 === e._state; ) e = e._value
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return 0 === e._state
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? void e._deferreds.push(n)
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: ((e._handled = !0),
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void o._immediateFn(function() {
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var t = 1 === e._state ? n.onFulfilled : n.onRejected
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if (null === t) return void (1 === e._state ? r : u)(n.promise, e._value)
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var o
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try {
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o = t(e._value)
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} catch (i) {
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return void u(n.promise, i)
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}
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r(n.promise, o)
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}))
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}
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function r(e, n) {
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try {
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if (n === e) throw new TypeError('A promise cannot be resolved with itself.')
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if (n && ('object' == typeof n || 'function' == typeof n)) {
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var i = n.then
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if (n instanceof o) return (e._state = 3), (e._value = n), void f(e)
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if ('function' == typeof i) return void s(t(i, n), e)
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}
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;(e._state = 1), (e._value = n), f(e)
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} catch (r) {
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u(e, r)
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}
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}
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function u(e, n) {
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;(e._state = 2), (e._value = n), f(e)
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}
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function f(e) {
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2 === e._state &&
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0 === e._deferreds.length &&
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o._immediateFn(function() {
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e._handled || o._unhandledRejectionFn(e._value)
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})
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for (var n = 0, t = e._deferreds.length; n < t; n++) i(e, e._deferreds[n])
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e._deferreds = null
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}
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function c(e, n, t) {
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;(this.onFulfilled = 'function' == typeof e ? e : null), (this.onRejected = 'function' == typeof n ? n : null), (this.promise = t)
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}
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function s(e, n) {
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var t = !1
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try {
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e(
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function(e) {
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t || ((t = !0), r(n, e))
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},
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function(e) {
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t || ((t = !0), u(n, e))
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}
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)
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} catch (o) {
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if (t) return
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;(t = !0), u(n, o)
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}
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}
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var a = setTimeout
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;(o.prototype['catch'] = function(e) {
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return this.then(null, e)
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}),
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(o.prototype.then = function(e, t) {
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var o = new this.constructor(n)
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return i(this, new c(e, t, o)), o
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}),
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(o.all = function(e) {
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var n = Array.prototype.slice.call(e)
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return new o(function(e, t) {
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function o(r, u) {
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try {
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if (u && ('object' == typeof u || 'function' == typeof u)) {
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var f = u.then
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if ('function' == typeof f)
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return void f.call(
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u,
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function(e) {
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o(r, e)
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},
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t
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)
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}
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;(n[r] = u), 0 === --i && e(n)
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} catch (c) {
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t(c)
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}
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}
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if (0 === n.length) return e([])
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for (var i = n.length, r = 0; r < n.length; r++) o(r, n[r])
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})
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}),
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(o.resolve = function(e) {
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return e && 'object' == typeof e && e.constructor === o
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? e
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: new o(function(n) {
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n(e)
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})
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}),
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(o.reject = function(e) {
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return new o(function(n, t) {
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t(e)
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})
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}),
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(o.race = function(e) {
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return new o(function(n, t) {
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for (var o = 0, i = e.length; o < i; o++) e[o].then(n, t)
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})
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}),
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(o._immediateFn =
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('function' == typeof setImmediate &&
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function(e) {
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setImmediate(e)
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}) ||
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function(e) {
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a(e, 0)
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}),
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(o._unhandledRejectionFn = function(e) {
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'undefined' != typeof console && console && console.warn('Possible Unhandled Promise Rejection:', e)
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}),
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(o._setImmediateFn = function(e) {
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o._immediateFn = e
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}),
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(o._setUnhandledRejectionFn = function(e) {
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o._unhandledRejectionFn = e
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}),
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'undefined' != typeof module && module.exports ? (module.exports = o) : e.Promise || (e.Promise = o)
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})(this)
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function appCallBack() {}
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;(function(window) {
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if (window.EWebBridge) {
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return
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}
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// 初始化App桥接环境
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function setupWebViewJavascriptBridge(callback) {
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// Android 调用
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if (window.WebViewJavascriptBridge) {
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callback(WebViewJavascriptBridge)
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} else {
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document.addEventListener(
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'WebViewJavascriptBridgeReady',
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function() {
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callback(WebViewJavascriptBridge)
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},
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false
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)
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}
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// iOS使用
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if (navigator.userAgent.indexOf('iPhone') != -1) {
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/*
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// WebViewJavascriptBridge v5
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if (window.WebViewJavascriptBridge) { return callback(WebViewJavascriptBridge); }
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if (window.WVJBCallbacks) { return window.WVJBCallbacks.push(callback); }
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window.WVJBCallbacks = [callback];
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var WVJBIframe = document.createElement('iframe');
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WVJBIframe.style.display = 'none';
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WVJBIframe.src = 'wvjbscheme://__BRIDGE_LOADED__';
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document.documentElement.appendChild(WVJBIframe);
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setTimeout(function() { document.documentElement.removeChild(WVJBIframe) }, 0)
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*/
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// WebViewJavascriptBridge v6
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if (window.WebViewJavascriptBridge) {
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return callback(WebViewJavascriptBridge)
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}
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if (window.WVJBCallbacks) {
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return window.WVJBCallbacks.push(callback)
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}
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window.WVJBCallbacks = [callback]
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var WVJBIframe = document.createElement('iframe')
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WVJBIframe.style.display = 'none'
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WVJBIframe.src = 'https://__bridge_loaded__'
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document.documentElement.appendChild(WVJBIframe)
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setTimeout(function() {
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document.documentElement.removeChild(WVJBIframe)
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}, 0)
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}
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}
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// App桥接调用初始化
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setupWebViewJavascriptBridge(function(bridge) {
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//桥接默认
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/*
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// Iphone/iOS WebViewJavascriptBridge v6 桥接上面没有注册init函数
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bridge.init(function(message, responseCallback) {
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console.log('JS got a message', message)
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var data = {
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'Javascript Responds': 'hello!'
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}
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console.log('JS responding with', data)
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responseCallback(data)
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})
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*/
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bridge.registerHandler('appCallWebInJs', function(data, responseCallback) {
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try {
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data = JSON.parse(data)
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//业务逻辑放在这里;
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appCallBack(data, true)
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responseCallback('{"code": "0","message": "success"}')
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} catch (e) {
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appCallBack({}, false)
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responseCallback('{"code": "1","message": "App调用JS异常:"' + e + '"}')
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}
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})
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})
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// H5 & webapp 调用APP，并返回一个Promise对象
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function triggerCallHandler(method, params) {
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return new Promise(function(resolve) {
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WebViewJavascriptBridge.callHandler(method, params, function(response) {
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resolve(response)
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})
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})
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}
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// 初始化SDK
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var EWebBridge = (window.EWebBridge = {
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webCallAppInJs: function(method, params) {
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// params --> Mixed (json对象 {"a":"123","b":"200"} 或 null 或其他形式的参数，具体根据和app端的约定来)
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method = method || 'getUserToken'
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params = params || null
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return triggerCallHandler(method, params)
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}
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})
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})(window)
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//notation: js file can only use this kind of comments
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//since comments will cause error when use in webview.loadurl,
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//comments will be remove by java use regexp
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