From eadcece83dde52c4a7dbaf58cf1e8157b2e5969d Mon Sep 17 00:00:00 2001 From: Tevin <tingquanren@163.com> Date: Wed, 08 May 2024 15:06:02 +0800 Subject: [PATCH] 修复卡片组件CCardAction高度显示异常的问题 --- common/Tools.js | 222 ++++++++++++++++++++++++++++--------------------------- 1 files changed, 112 insertions(+), 110 deletions(-) diff --git a/common/Tools.js b/common/Tools.js index f3d0ce2..e9d1edb 100644 --- a/common/Tools.js +++ b/common/Tools.js @@ -1,5 +1,5 @@ /** - * Tools + * Tools - 工具集 * @author Tevin */ @@ -7,7 +7,6 @@ import Taro from '@tarojs/taro'; export class Tools { - /** * 显示消息 * @param msg @@ -44,27 +43,13 @@ } /** - * 读取文件 base64 - * @param {File} file - * @return {Promise<string>} - */ - static getFileBase64(file) { - return new Promise((resolve, reject) => { - const reader = new FileReader(); - reader.onload = () => resolve(reader.result); - reader.onerror = error => reject(error); - reader.readAsDataURL(file); - }); - } - - /** * 生成 GUID * @return {string} */ static createGUID() { - return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) { - let r = Math.random() * 16 | 0, - v = c === 'x' ? r : ((r & 0x3) | 0x8); + return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) { + let r = (Math.random() * 16) | 0, + v = c === 'x' ? r : (r & 0x3) | 0x8; return v.toString(16); }); } @@ -83,34 +68,6 @@ 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 } /** @@ -349,6 +306,26 @@ } /** + * 数组元素交换位置 + * @param {array} arr 数组 + * @param {number} fromIndex 要交换项目的位置 + * @param {number} toIndex 被交换项目的位置 + */ + static swapArray(arr, fromIndex, toIndex) { + // 先在目标位置新增一个和当前元素一样的元素,再把当前元素删除掉 + arr.splice(toIndex, 0, arr[fromIndex]); + // 如果拖动元素上移动,当前元素下标为 fromIndex+1 + if (fromIndex > toIndex) { + arr.splice(fromIndex + 1, 1); + } + // 如果拖动元素下移,当前元素下标还是 fromIndex + else { + arr.splice(fromIndex, 1); + } + return arr; + } + + /** * 使用 moment.js 格式化时间戳 * @param {Number|String} timestamp * @param {String} [type='date'] @@ -364,9 +341,13 @@ if (/^\d+$/.test(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(); + 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) { @@ -376,21 +357,43 @@ // 日期 else { try { - timestamp = (new Date(timestamp)).getTime(); - } catch (e) { - } + timestamp = new Date(timestamp).getTime(); + } catch (e) {} } } - // 转为数值的无连接符日期 + // 数值转换:8位整型日期 转 时间戳 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(); + const dateStr = + timeStr.slice(0, 4) + '-' + timeStr.slice(4, 6) + '-' + timeStr.slice(6); + if (type === 'date') { + return dateStr; + } + timestamp = new Date(dateStr).getTime(); } - // 按秒时间戳 + // 数值转换:时间戳 秒 转 毫秒 else if (timestamp < 9 * 10e8) { timestamp *= 1000; + } + // 数值转换:14位整型日期 转 时间戳 + else if (/^2[012]\d{2}[01]\d[0123]\d[012]\d[0-5]\d[0-5]\d/.test(timestamp + '')) { + const timeStr = timestamp + ''; + const dateStr = + timeStr.slice(0, 4) + + '-' + + timeStr.slice(4, 6) + + '-' + + timeStr.slice(6, 8) + + ' ' + + timeStr.slice(8, 10) + + ':' + + timeStr.slice(10, 12) + + ':' + + timeStr.slice(12, 14); + if (type === 'dateTimeFull') { + return dateStr; + } + timestamp = new Date(dateStr).getTime(); } const curMoment = moment(timestamp); if (type === 'date') { @@ -496,14 +499,13 @@ /** * 求小数点后的数据长度 * @param {Number|String} num - * @private + * @return {Number} */ static getDecimalLength(num) { let t = 0; try { t = num.toString().split('.')[1].length; - } catch (e) { - } + } catch (e) {} return t; } @@ -518,10 +520,10 @@ /** * 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} + * @param {Number} year + * @param {Number} week + * @param {Number} weekDay 需要输出星期几对应的日期 (1~7) + * @return {String} */ static transWeekIndexToDate(year, week, weekDay) { const yearStart = moment([year, 0, 1]); @@ -534,66 +536,66 @@ } /** - * 显示调试面板(仅支持H5) - * @param cssSelector - * @param callback + * 防抖函数(一段时间周期内,仅执行最后一次回调) + * 当持续触发事件时,只在事件最后一次触发后的一段时间内执行回调函数 + * 如果在这个时间内再次触发事件,就重新计算时间 + * @param {Function} fnc + * @param {Number} wait + * @returns {Function} + * @tutorial Tools.debounce(<fnc>, <wait>)(<DebounceKey>) */ - 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调试特别模式】====='); - console.warn('点击右下角悬浮工具箱图标可以折叠面板'); - }, 50); - setTimeout(() => { - callback(); - }, 100); + static debounce(fnc, wait = 200) { + return key => { + if (!key || !Tools.isString(key)) { + throw 'Debounce function need a key!'; } - }, 100); + const timer = Tools.debounce['dKey-' + key]; + if (timer) { + clearTimeout(timer); + } + Tools.debounce['dKey-' + key] = setTimeout(fnc, wait); + }; } + /** + * 节流函数(本段时间内,仅执行第一次回调) + * 在一定时间内只能触发一次函数执行 + * 如果这个时间内再次触发,则忽略,直到下一个时间段再次触发 + * @param {Function} fnc + * @param {Number} wait + * @returns {function(key):void} + * @tutorial Tools.throttle(<fnc>, <wait>)(<ThrottleKey>) + */ + static throttle(fnc, wait = 200) { + return key => { + if (!key || !Tools.isString(key)) { + throw 'Throttle function need a key!'; + } + const previous = Tools.throttle['tKey-' + key] || 0; + const now = Date.now(); + if (now - previous > wait) { + Tools.throttle['tKey-' + key] = now; + fnc(); + } + }; + } } // h5 中,实现 rem 转换 px if (process.env.NODE_ENV === 'development' && process.env.TARO_ENV === 'h5') { window.rem = val => { const p1 = { - x: parseFloat(Taro.pxTransform(10, 750)), y: 10, + x: parseFloat(Taro.pxTransform(10, 750)), + y: 10, }; const p2 = { - x: parseFloat(Taro.pxTransform(1000, 750)), y: 1000, + x: parseFloat(Taro.pxTransform(1000, 750)), + y: 1000, }; const value = typeof val === 'number' ? val : parseFloat(val); - const px = (value - p1.x) * (p2.y - p1.y) / (p2.x - p1.x) + p1.y; + const px = ((value - p1.x) * (p2.y - p1.y)) / (p2.x - p1.x) + p1.y; console.info(Math.round(px) + 'px'); }; } -global.Tools = Tools; \ No newline at end of file +global.Tools = Tools; -- Gitblit v1.9.1