/**
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* Helper - 帮助小功能集
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* @author Tevin
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*/
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export class Helper {
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constructor() {
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this._data = {
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locations: [],
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};
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}
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/**
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* 检查网络状态
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* @param {Function} callback
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*/
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checkOnlineState(callback) {
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// 网页模式
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if (process.env.TARO_ENV === 'h5') {
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// 网络已开启
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if (navigator.onLine) {
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// 用图片资源测试网络状态
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const img = new Image();
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img.onload = () => {
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img.onload = null;
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callback && callback(true);
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};
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img.onerror = () => {
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img.onerror = null;
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callback && callback(false);
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};
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img.src = 'http://gz.zhiheiot.com/disp/download/buildArchive/online.png?t=' + Date.now();
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}
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// 网络未开启
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else {
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callback && callback(false);
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}
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}
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// 补充：小程序模式用 getNetworkType
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}
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/**
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* 操作GPS定位
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* @param {String} type
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* @param {Object} [location]
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* @return {Number|Object}
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*/
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oprGPSLocation(type, location) {
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// 开始记录
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if (type === 'restart') {
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this._data.locations = [];
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}
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// 添加记录
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else if (type === 'add') {
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this._data.locations.push({
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...location,
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radius: Number(location.radius),
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});
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// 按精度排序
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this._data.locations.sort((a, b) => a.radius < b.radius ? -1 : 1);
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}
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// 获取高精度次数计数
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else if (type === 'countHigh') {
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let count = 0;
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this._data.locations.forEach(location => {
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if (location.radius <= 10) {
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count++;
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}
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});
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return count;
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}
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// 读取最精确的记录
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else if (type === 'read') {
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return this._data.locations[0];
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}
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// 读取最精确的记录，并返回字符串
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else if (type === 'readStr') {
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const location = this._data.locations[0];
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return location.longitude + ',' + location.latitude + ',' + location.radius;
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}
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}
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/**
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* 播放App操作的提醒语音
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* @param {String} name
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*/
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playOprSound(name) {
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const audio = new Audio('../assets/sound/' + name + '.mp3');
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audio.play();
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}
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/**
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* 显示调试面板（仅支持H5）
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* @param {{cssSelector,autoOpen}} options
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* @param {Function} [callback]
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*/
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showDevConsole(options = {}, callback) {
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// 只支持 h5 编译
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if (process.env.TARO_ENV !== 'h5') {
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return;
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}
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const fileref = document.createElement('script');
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fileref.setAttribute('type', 'text/javascript');
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if (window.location.protocol === 'https:') {
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fileref.setAttribute('src', 'https://rb.zhiheiot.com/static/pages/libs/eruda.min.js');
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} else {
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fileref.setAttribute('src', 'http://rb.zhiheiot.com/static/pages/libs/eruda.min.js');
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}
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document.getElementsByTagName('head')[0].appendChild(fileref);
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const simulateTouch = (dom, type) => {
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const button = dom;
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const touch = new Touch({
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identifier: Date.now(),
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target: button,
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clientX: 0,
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clientY: 0,
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screenX: 0,
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screenY: 0,
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pageY: 0,
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pageX: 0,
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radiusX: 2.5,
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radiusY: 2.5,
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rotationAngle: 10,
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force: 0.5,
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});
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const touchstart = new TouchEvent(type, {
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cancelable: true,
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bubbles: true,
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composed: true,
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touches: [touch],
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targetTouches: [touch],
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changedTouches: [touch],
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});
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button.dispatchEvent(touchstart);
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};
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const erudaTimer = setInterval(() => {
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if (window.eruda) {
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clearInterval(erudaTimer);
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setTimeout(() => {
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const container = document.createElement('div');
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if (options.cssSelector) {
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document.querySelector(options.cssSelector).appendChild(container);
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} else {
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document.getElementsByTagName('body')[0].appendChild(container);
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}
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window.eruda.init({
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container: container,
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useShadowDom: false,
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});
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if (options.autoOpen) {
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let button = null;
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setTimeout(() => {
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button = document.querySelector('.eruda-entry-btn');
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}, 50);
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setTimeout(() => {
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simulateTouch(button, 'touchstart');
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}, 60);
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setTimeout(() => {
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simulateTouch(button, 'touchend');
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}, 350);
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}
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setTimeout(() => {
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console.warn('=====【艾信App调试模式】=====');
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}, 800);
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setTimeout(() => {
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console.warn('点击右下角悬浮工具箱图标可以折叠面板');
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}, 900);
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setTimeout(() => {
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callback && callback();
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}, 1000);
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}, 100);
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}
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}, 100);
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}
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}
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export const $helper = new Helper();
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