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+/**
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+ * 自定义头部导航组件,基于官方组件Navigation开发。
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+ *
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+ * <navigation-bar title="会员中心" bindgetBarInfo="getBarInfo"></navigation-bar>
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+ *
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+ * 组件属性列表
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+ * bindgetBarInfo {eventhandler} 组件实例载入页面时触发此事件,首参为event对象,event.detail携带当前导航栏信息,如导航栏高度 event.detail.topBarHeight
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+ * backImage {string} back按钮的图标地址
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+ * homeImage {string} home按钮的图标地址
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+ * bindback {eventhandler} 点击back按钮触发此事件响应函数
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+ * ext-class {string} 添加在组件内部结构的class,可用于修改组件内部的样式
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+ * title {string} 导航标题,如果不提供为空
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+ * background {string} 导航背景色,默认#ffffff
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+ * color {string} 导航字体颜色
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+ * dbclickBackTop {boolean} 是否开启双击返回顶部功能,默认true
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+ * border {boolean} 是否显示顶部边框,默认false
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+ * loading {boolean} 是否显示标题左侧的loading,默认false
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+ * show {boolean} 显示隐藏导航,隐藏的时候navigation的高度占位还在,默认true
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+ * left {boolean} 左侧区域是否使用slot内容,默认false
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+ * center {boolean} 中间区域是否使用slot内容,默认false
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+ *
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+ * Slot Name
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+ * left 左侧slot,在back按钮位置显示,当left属性为true的时候有效
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+ * center 标题slot,在标题位置显示,当center属性为true的时候有效
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+ *
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+*/
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+
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+module.exports =
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+/******/ (function(modules) { // webpackBootstrap
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+/******/ // The module cache
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+/******/ var installedModules = {};
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+/******/
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+/******/ // The require function
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+/******/ function __webpack_require__(moduleId) {
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+/******/
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+/******/ // Check if module is in cache
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+/******/ if(installedModules[moduleId]) {
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+/******/ return installedModules[moduleId].exports;
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+/******/ }
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+/******/ // Create a new module (and put it into the cache)
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+/******/ var module = installedModules[moduleId] = {
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+/******/ i: moduleId,
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+/******/ l: false,
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+/******/ exports: {}
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+/******/ };
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+/******/
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+/******/ // Execute the module function
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+/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
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+/******/
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+/******/ // Flag the module as loaded
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+/******/ module.l = true;
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+/******/
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+/******/ // Return the exports of the module
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+/******/ return module.exports;
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+/******/ }
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+/******/
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+/******/
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+/******/ // expose the modules object (__webpack_modules__)
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+/******/ __webpack_require__.m = modules;
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+/******/
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+/******/ // expose the module cache
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+/******/ __webpack_require__.c = installedModules;
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+/******/
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+/******/ // define getter function for harmony exports
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+/******/ __webpack_require__.d = function(exports, name, getter) {
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+/******/ if(!__webpack_require__.o(exports, name)) {
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+/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
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+/******/ }
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+/******/ };
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+/******/
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+/******/ // define __esModule on exports
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+/******/ __webpack_require__.r = function(exports) {
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+/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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+/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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+/******/ }
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+/******/ Object.defineProperty(exports, '__esModule', { value: true });
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+/******/ };
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+/******/
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+/******/ // create a fake namespace object
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+/******/ // mode & 1: value is a module id, require it
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+/******/ // mode & 2: merge all properties of value into the ns
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+/******/ // mode & 4: return value when already ns object
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+/******/ // mode & 8|1: behave like require
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+/******/ __webpack_require__.t = function(value, mode) {
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+/******/ if(mode & 1) value = __webpack_require__(value);
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+/******/ if(mode & 8) return value;
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+/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
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+/******/ var ns = Object.create(null);
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+/******/ __webpack_require__.r(ns);
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+/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
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+/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
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+/******/ return ns;
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+/******/ };
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+/******/
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+/******/ // getDefaultExport function for compatibility with non-harmony modules
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+/******/ __webpack_require__.n = function(module) {
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+/******/ var getter = module && module.__esModule ?
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+/******/ function getDefault() { return module['default']; } :
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+/******/ function getModuleExports() { return module; };
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+/******/ __webpack_require__.d(getter, 'a', getter);
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+/******/ return getter;
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+/******/ };
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+/******/
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+/******/ // Object.prototype.hasOwnProperty.call
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+/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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+/******/
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+/******/ // __webpack_public_path__
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+/******/ __webpack_require__.p = "";
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+/******/
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+/******/
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+/******/ // Load entry module and return exports
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+/******/ return __webpack_require__(__webpack_require__.s = 1);
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+/******/ })
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+/************************************************************************/
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+/******/ ([
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+/* 0 */,
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+/* 1 */
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+/***/ (function(module, exports, __webpack_require__) {
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+
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+"use strict";
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+
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+var app = getApp();
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+
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+Component({
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+ options: {
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+ multipleSlots: true,
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+ addGlobalClass: true
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+ },
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+ properties: {
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+ backImage: {
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+ type: String,
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+ value: '/static/icon/icon_back.svg'
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+ },
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+ homeImage: {
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+ type: String,
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+ value: '/static/icon/icon_home.png'
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+ },
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+ extClass: {
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+ type: String,
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+ value: ''
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+ },
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+ title: {
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+ type: String,
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+ value: ''
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+ },
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+ background: {
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+ type: String,
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+ value: '#ffffff'
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+ },
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+ color: {
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+ type: String,
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+ value: '#000000'
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+ },
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+ dbclickBackTop:{
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+ type:Boolean,
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+ value:true
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+ },
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+ border: {
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+ type: Boolean,
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+ value: false
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+ },
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+ loading: {
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+ type: Boolean,
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+ value: false
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+ },
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+ show: {
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+ type: Boolean,
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+ value: true,
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+ observer: '_showChange'
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+ },
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+ left: {
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+ type: Boolean,
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+ value: false
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+ },
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+ center: {
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+ type: Boolean,
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+ value: false
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+ },
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+
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+ },
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+ data: {
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+ displayStyle: '',
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+ showBack:false
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+ },
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+ attached: function attached() {
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+ var _this = this;
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+ //动态计算导航栏尺寸
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+ var isSupport = !!wx.getMenuButtonBoundingClientRect;
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+ var rect = wx.getMenuButtonBoundingClientRect ? wx.getMenuButtonBoundingClientRect() : null;
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+ wx.getSystemInfo({
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+ success: function success(res) {
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+ var ios = !!(res.system.toLowerCase().search('ios') + 1);
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+ var statusBarHeight=res.statusBarHeight;
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+ var topBarHeight=ios ? (44 + statusBarHeight) : (48 + statusBarHeight);
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+
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+ _this.setData({
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+ ios: ios,
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+ topBarHeight:topBarHeight,
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+ statusBarHeight:statusBarHeight,
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+ innerWidth: isSupport ? 'width:' + rect.left + 'px' : '',
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+ innerPaddingRight: isSupport ? 'padding-right:' + (res.windowWidth - rect.left) + 'px' : '',
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+ leftWidth: isSupport ? 'width:' + (res.windowWidth - rect.left) + 'px' : ''
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+ });
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+
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+ _this.triggerEvent('getBarInfo', {topBarHeight,statusBarHeight});
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+ }
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+ });
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+
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+ //back箭头处理的显示
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+ var pages=getCurrentPages()
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+ if(pages.length>1){
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+ this.setData({showBack:true})
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+ }
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+ },
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+ methods: {
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+ _showChange: function _showChange(show) {
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+ var displayStyle = 'opacity: ' + (show ? '1' : '0') + ';-webkit-transition:opacity 0.5s;transition:opacity 0.5s;';
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+ this.setData({
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+ displayStyle: displayStyle
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+ });
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+ },
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+ //点击back事件处理
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+ goBack: function () {
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+ wx.navigateBack();
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+ this.triggerEvent('back');
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+ console.log("goBack");
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+ },
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+ //返回首页
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+ goHome:function(){
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+ wx.reLaunch({
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+ url: '/pages/index/index'
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+ })
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+ },
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+ //双击返回顶部
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+ // doubleClick(e) {
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+ // console.log("doubleClick");
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+ // if (!this.data.dbclickBackTop){return}
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+ // if (this.timeStamp && (e.timeStamp - this.timeStamp < 300)) {
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+ // this.timeStamp = 0
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+ // wx.pageScrollTo({
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+ // scrollTop: 0,
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+ // duration: 300
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+ // })
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+ // } else {
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+ // this.timeStamp = e.timeStamp
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+ // }
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+ // }
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+ }
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+});
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+
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+/***/ })
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+/******/ ]);
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