From 4abc8bbf94b952b8934f31c33b4342c1d1586fbf Mon Sep 17 00:00:00 2001 From: Tevin <tingquanren@163.com> Date: Thu, 23 Mar 2023 10:31:35 +0800 Subject: [PATCH] 二维码增加保存功能 --- common/Tools.js | 137 ++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 132 insertions(+), 5 deletions(-) diff --git a/common/Tools.js b/common/Tools.js index e4e7403..8d8270e 100644 --- a/common/Tools.js +++ b/common/Tools.js @@ -12,12 +12,13 @@ * 显示消息 * @param msg * @param [duration=2000] + * @param [mask=false] */ - static toast(msg, duration = 2000) { + static toast(msg, duration = 2000, mask = false) { Taro.showToast({ title: msg, icon: 'none', - mask: true, + mask, duration, }); } @@ -66,6 +67,50 @@ v = c === 'x' ? r : ((r & 0x3) | 0x8); return v.toString(16); }); + } + + /** + * 获取随机字符串 + * @param {number} long + * @return {string} + */ + static getRandomString(long) { + long = long || 32; + const template = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678'; + const count = template.length; + let result = ''; + for (let i = 0; i < long; i++) { + result += template.charAt(Math.floor(Math.random() * count)); + } + return result; + } + + /** + * 检查网络状态 + */ + static checkOnlineState(callback) { + // 网页模式 + if (process.env.TARO_ENV === 'h5') { + // 网络已开启 + if (navigator.onLine) { + // 用图片资源测试网络状态 + const img = new Image(); + img.onload = () => { + img.onload = null; + callback && callback(true); + }; + img.onerror = () => { + img.onerror = null; + callback && callback(false); + }; + img.src = 'http://gz.zhiheiot.com/disp/download/buildArchive/online.png?t=' + Date.now(); + } + // 网络未开启 + else { + callback && callback(false); + } + } + // 补充:小程序模式用 getNetworkType } /** @@ -317,7 +362,16 @@ if (Tools.isString(timestamp)) { // 全数值 if (/^\d+$/.test(timestamp)) { - timestamp = parseInt(timestamp); + // 8位视为无连接符日期 + if (timestamp.length === 8) { + const day = timestamp.substr(0, 4) + '-' + + timestamp.substr(4, 2) + '-' + timestamp.substr(6, 2); + timestamp = (new Date(timestamp)).getTime(); + } + // 超过8位,视为时间戳 + else if (timestamp.length > 8) { + timestamp = parseInt(timestamp); + } } // 日期 else { @@ -327,7 +381,15 @@ } } } - if (timestamp < 9 * 10e8) { + // 转为数值的无连接符日期 + if (timestamp < 9 * 10e6) { + const timeStr = timestamp + ''; + const day = timeStr.substr(0, 4) + '-' + + timeStr.substr(4, 2) + '-' + timeStr.substr(6, 2); + timestamp = (new Date(day)).getTime(); + } + // 按秒时间戳 + else if (timestamp < 9 * 10e8) { timestamp *= 1000; } const curMoment = moment(timestamp); @@ -454,6 +516,69 @@ return /^1[3456789]\d{9}$/.test('' + phone); } + /** + * 转换周数到日期 + * @param year + * @param week + * @param weekDay 需要输出星期几对应的日期 (1~7) + * @return {Date} + */ + static transWeekIndexToDate(year, week, weekDay) { + const yearStart = moment([year, 0, 1]); + const dayLong = 24 * 60 * 60 * 1000; + const firstWeekLong = (7 - yearStart.day()) * dayLong; + const weeksLong = (week - 1) * 7 * dayLong; + const weekDayLong = weekDay * dayLong; + const dayTimestamp = yearStart.valueOf() + firstWeekLong + weeksLong + weekDayLong; + return moment(dayTimestamp).format('YYYY-MM-DD'); + } + + /** + * 显示调试面板(仅支持H5) + * @param cssSelector + * @param callback + */ + static $_showDevConsole(cssSelector, callback) { + // 只支持 h5 编译 + if (process.env.TARO_ENV !== 'h5') { + return; + } + const fileref = document.createElement('script'); + fileref.setAttribute('type', 'text/javascript'); + if (window.location.protocol === 'https:') { + fileref.setAttribute('src', 'https://cdn.jsdelivr.net/npm/eruda'); + } else { + fileref.setAttribute('src', 'http://cdn.jsdelivr.net/npm/eruda'); + } + document.getElementsByTagName('head')[0].appendChild(fileref); + const erudaTimer = setInterval(() => { + if (window.eruda) { + clearInterval(erudaTimer); + const container = document.createElement('div'); + if (cssSelector) { + document.querySelector(cssSelector).appendChild(container); + } else { + document.getElementsByTagName('body')[0].appendChild(container); + } + window.eruda.init({ + container: container, + useShadowDom: false, + }); + setTimeout(() => { + const devTool = document.querySelector('.eruda-dev-tools'); + devTool.style.display = 'block'; + devTool.style.opacity = '1'; + devTool.style.height = '70%'; + console.warn('=====【艾信App调试模式】====='); + console.warn('点击右下角悬浮工具箱图标可以折叠面板'); + }, 50); + setTimeout(() => { + callback && callback(); + }, 100); + } + }, 100); + } + } // h5 中,实现 rem 转换 px @@ -469,4 +594,6 @@ const px = (value - p1.x) * (p2.y - p1.y) / (p2.x - p1.x) + p1.y; console.info(Math.round(px) + 'px'); }; -} \ No newline at end of file +} + +global.Tools = Tools; \ No newline at end of file -- Gitblit v1.9.1