| | |
| | | /** |
| | | * Tools |
| | | * Tools - 工具集 |
| | | * @author Tevin |
| | | */ |
| | | |
| | |
| | | export class Tools { |
| | | |
| | | /** |
| | | * 显示消息 |
| | | * @param msg |
| | | * @param [duration=2000] |
| | | * @param [mask=false] |
| | | */ |
| | | static toast(msg, duration = 2000, mask = false) { |
| | | Taro.showToast({ |
| | | title: msg, |
| | | icon: 'none', |
| | | mask, |
| | | duration, |
| | | }); |
| | | } |
| | | |
| | | /** |
| | | * URL参数解析 |
| | | * @param {String} name |
| | | * @param {String} [search] |
| | | * @return {String|Null} |
| | | */ |
| | | static getUrlParam(name, search = window.location.search) { |
| | | static getUrlParam(name, search) { |
| | | if (process.env.TARO_ENV === 'weapp') { |
| | | return null; |
| | | } |
| | | search = search || window.location.search; |
| | | const reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i'); |
| | | const r = search.substr(1).match(reg); |
| | | if (r !== null) { |
| | |
| | | } else { |
| | | return null; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 深度获取 url 参数 |
| | | * @param {String} name |
| | | * @return {String} |
| | | */ |
| | | static getTopUrlParam(name) { |
| | | if (window.top !== window) { |
| | | return Tools.getUrlParam(name, window.top.location.search); |
| | | } else { |
| | | return Tools.getUrlParam(name); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 显示消息 |
| | | * @param msg |
| | | */ |
| | | static toast(msg) { |
| | | Taro.showToast({ |
| | | title: msg, |
| | | icon: 'none', |
| | | mask: true, |
| | | duration: 2000, |
| | | }); |
| | | } |
| | | |
| | | /** |
| | | * 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); |
| | | }); |
| | | } |
| | | |
| | | /** |
| | |
| | | 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 |
| | | } |
| | | |
| | | /** |
| | |
| | | } |
| | | |
| | | /** |
| | | * 判断是否为未定义 |
| | | * @param {*} data |
| | | * @return {Boolean} |
| | | */ |
| | | static isUndefined(data) { |
| | | return Object.prototype.toString.call(data) === '[object Undefined]'; |
| | | } |
| | | |
| | | /** |
| | | * 判断是否为 null |
| | | * @param {*} data |
| | | * @return {Boolean} |
| | | */ |
| | | static isNull(data) { |
| | | return data === null; |
| | | return Object.prototype.toString.call(data) === '[object Null]'; |
| | | } |
| | | |
| | | /** |
| | |
| | | } |
| | | } |
| | | return true; |
| | | } |
| | | |
| | | static getObjDataByPath(obj, path) { |
| | | const arr = path.split('.'); |
| | | const reg2 = /\[(.*)]/g; |
| | | const reg4 = /\w+(?=\[)|(?<=\[)(.*?)(?=])/g; |
| | | let stack = []; |
| | | let temp; |
| | | arr.forEach(item => { |
| | | if (reg2.test(item)) { |
| | | while ((temp = reg4.exec(item))) { |
| | | stack.push(temp[0]); |
| | | } |
| | | } else { |
| | | stack.push(item); |
| | | } |
| | | }); |
| | | stack = stack.map(item => { |
| | | return item.replace(/^['"`]|['"`]$/g, ''); |
| | | }); |
| | | try { |
| | | return stack.reduce((pre, next) => { |
| | | return pre[next]; |
| | | }, obj); |
| | | } catch (err) { |
| | | return undefined; |
| | | } |
| | | } |
| | | |
| | | /** |
| | |
| | | } |
| | | |
| | | /** |
| | | * 数组元素交换位置 |
| | | * @param {array} arr 数组 |
| | | * @param {number} index1 要交换项目的位置 |
| | | * @param {number} index2 被交换项目的位置 |
| | | * @tutorial 例如:1,5就是数组中下标为1和5的两个元素交换位置 |
| | | */ |
| | | static swapArray(arr, index1, index2) { |
| | | arr[index1] = arr.splice(index2, 1, arr[index1])[0]; |
| | | return arr; |
| | | } |
| | | |
| | | /** |
| | | * 使用 moment.js 格式化时间戳 |
| | | * @param {Number|String} timestamp |
| | | * @param {String} [type='date'] |
| | |
| | | if (Tools.isString(timestamp)) { |
| | | // 全数值 |
| | | if (/^\d+$/.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 { |
| | |
| | | } |
| | | } |
| | | } |
| | | 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); |
| | |
| | | if (minutes) { |
| | | words = minutes + '分' + words; |
| | | } |
| | | const hours = duration.get('hours'); |
| | | const hours = parseInt(duration.as('hours')); |
| | | if (hours) { |
| | | words = hours + '小时' + words; |
| | | } |
| | |
| | | * @return {string} |
| | | */ |
| | | static moneyFormat(number) { |
| | | if (typeof number !== 'number' && !number) { |
| | | if (!number && typeof number !== 'number' && typeof number !== 'string') { |
| | | return ''; |
| | | } |
| | | if (typeof number === 'string') { |
| | | number = parseInt(number) || 0; |
| | | number = Number(number) || 0; |
| | | } |
| | | const numFixed = number.toFixed(2); |
| | | const integer = parseInt(numFixed); |
| | | const decimal = numFixed.split('.')[1]; |
| | | return integer.toLocaleString() + '.' + decimal; |
| | | return number.toFixed(2); |
| | | } |
| | | |
| | | /** |
| | |
| | | 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'); |
| | | } |
| | | |
| | | } |
| | | } |
| | | |
| | | // 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, |
| | | }; |
| | | const p2 = { |
| | | 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; |
| | | console.info(Math.round(px) + 'px'); |
| | | }; |
| | | } |
| | | |
| | | global.Tools = Tools; |