New file |
| | |
| | | /** |
| | | * Tools |
| | | * @author Tevin |
| | | */ |
| | | |
| | | import moment from 'moment'; |
| | | |
| | | export class Tools { |
| | | |
| | | /** |
| | | * URL参数解析 |
| | | * @param {String} name |
| | | * @param {String} [search] |
| | | * @return {String|Null} |
| | | */ |
| | | static getUrlParam(name, search = window.location.search) { |
| | | const reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i'); |
| | | const r = search.substr(1).match(reg); |
| | | if (r !== null) { |
| | | return decodeURIComponent(r[2]); |
| | | } 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); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 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); |
| | | }); |
| | | } |
| | | |
| | | /** |
| | | * 关闭页面 loading |
| | | */ |
| | | static closePageLoading() { |
| | | const $Loading = document.getElementById('loading'); |
| | | $Loading.className = 'loading off'; |
| | | setTimeout(() => { |
| | | if ($Loading.parentNode) { |
| | | $Loading.parentNode.removeChild($Loading); |
| | | } |
| | | }, 300); |
| | | } |
| | | |
| | | /** |
| | | * 计算浏览器滚动条宽度 |
| | | * @param {HTMLElement} elm |
| | | * @return {Number} |
| | | */ |
| | | static getScrollbarWidth(elm) { |
| | | // 传入了元素,计算元素滚动条宽度 |
| | | if (elm) { |
| | | return elm.offsetWidth - elm.clientWidth; |
| | | } |
| | | // 没传入元素,计算系统滚动条宽度 |
| | | else { |
| | | let dom = document.createElement('div'), |
| | | styles = { |
| | | width: '100px', |
| | | height: '100px', |
| | | // 设置滚动条 |
| | | overflowY: 'scroll', |
| | | }, i, scrollbarWidth; |
| | | for (i in styles) dom.style[i] = styles[i]; |
| | | document.body.appendChild(dom); |
| | | scrollbarWidth = dom.offsetWidth - dom.clientWidth; |
| | | dom.remove(); |
| | | return scrollbarWidth; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 设置元素样式 |
| | | * @param {HTMLElement} elm |
| | | * @param {Object} styles |
| | | */ |
| | | static setElementStyles(elm, styles) { |
| | | Object.keys(styles).forEach(prop => { |
| | | elm.style[prop] = styles[prop]; |
| | | }); |
| | | } |
| | | |
| | | /** |
| | | * 创建 css 带前缀样式 |
| | | * @param {String} key |
| | | * @param {String} value |
| | | * @return {Object} |
| | | */ |
| | | static createPrefixesCss(key, value) { |
| | | return { |
| | | ['Webkit' + key.substr(0, 1).toUpperCase() + key.substr(1)]: value, |
| | | ['Moz' + key.substr(0, 1).toUpperCase() + key.substr(1)]: value, |
| | | key: value, |
| | | }; |
| | | } |
| | | |
| | | /** |
| | | * 创建 transform translate3d 样式 |
| | | * @param {Number} x = 0 |
| | | * @param {Number} y = 0 |
| | | * @param {Number} z = 0 |
| | | * @return {Object} |
| | | */ |
| | | static createTransformTs3d(x = 0, y = 0, z = 0) { |
| | | return Tools.createPrefixesCss('transform', `translate3d(${x}px, ${y}px, ${z}px)`); |
| | | } |
| | | |
| | | /** |
| | | * 获取元素计算后的样式 |
| | | * @param {HTMLElement} element |
| | | * @param {String} styleName |
| | | * @return {String} |
| | | */ |
| | | static getComputedStyle(element, styleName) { |
| | | if (element.currentStyle) { |
| | | return element.currentStyle[styleName]; |
| | | } else { |
| | | return window.getComputedStyle(element, null)[styleName] || |
| | | document.defaultView.getComputedStyle(element, null)[styleName]; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 判断元素是否在容器内 |
| | | * @param {HTMLElement} targetElm |
| | | * @param {HTMLElement} containerElm |
| | | * @return {Boolean} |
| | | */ |
| | | static isElementInsideContainer(targetElm, containerElm) { |
| | | let inside = false; |
| | | while (targetElm.parentElement) { |
| | | if (targetElm.parentElement === containerElm) { |
| | | inside = true; |
| | | break; |
| | | } else { |
| | | targetElm = targetElm.parentElement; |
| | | } |
| | | } |
| | | return inside; |
| | | } |
| | | |
| | | /** |
| | | * 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 v.toString(16); |
| | | }); |
| | | } |
| | | |
| | | /** |
| | | * 判断是否是数字 |
| | | * @param {*} data |
| | | * @return {Boolean} |
| | | */ |
| | | static isNumber(data) { |
| | | return Object.prototype.toString.call(data) === '[object Number]'; |
| | | } |
| | | |
| | | /** |
| | | * 判断是否是字符串 |
| | | * @param {*} data |
| | | * @return {Boolean} |
| | | */ |
| | | static isString(data) { |
| | | return Object.prototype.toString.call(data) === '[object String]'; |
| | | } |
| | | |
| | | /** |
| | | * 判断是否为布尔值 |
| | | * @param {*} data |
| | | * @return {Boolean} |
| | | */ |
| | | static isBoolean(data) { |
| | | return Object.prototype.toString.call(data) === '[object Boolean]'; |
| | | } |
| | | |
| | | /** |
| | | * 判断是否是普通对象 |
| | | * @param {*} data |
| | | * @return {Boolean} |
| | | */ |
| | | static isObject(data) { |
| | | return Object.prototype.toString.call(data) === '[object Object]'; |
| | | } |
| | | |
| | | /** |
| | | * 判断是否是数组 |
| | | * @param {*} data |
| | | * @return {Boolean} |
| | | */ |
| | | static isArray(data) { |
| | | return Object.prototype.toString.call(data) === '[object Array]'; |
| | | } |
| | | |
| | | /** |
| | | * 判断是否是函数 |
| | | * @param {*} data |
| | | * @return {Boolean} |
| | | */ |
| | | static isFunction(data) { |
| | | return Object.prototype.toString.call(data) === '[object Function]'; |
| | | } |
| | | |
| | | /** |
| | | * 判断是否为 null |
| | | * @param {*} data |
| | | * @return {Boolean} |
| | | */ |
| | | static isNull(data) { |
| | | return data === null; |
| | | } |
| | | |
| | | /** |
| | | * 是否为空对象 |
| | | * @param {*} obj |
| | | * @return {Boolean} |
| | | */ |
| | | static isEmptyObject(obj) { |
| | | if (!Tools.isObject(obj)) { |
| | | return true; |
| | | } |
| | | for (let p in obj) { |
| | | if (obj.hasOwnProperty(p)) { |
| | | return false; |
| | | } |
| | | } |
| | | return true; |
| | | } |
| | | |
| | | /** |
| | | * 判断对象是否在属性上相等 |
| | | * @param {String} a |
| | | * @param {String} b |
| | | * @return {Boolean} |
| | | */ |
| | | static isObjValEqual(a, b) { |
| | | const aProps = Object.getOwnPropertyNames(a); |
| | | const bProps = Object.getOwnPropertyNames(b); |
| | | if (aProps.length !== bProps.length) { |
| | | return false; |
| | | } |
| | | for (let i = 0, propName; i < aProps.length; i++) { |
| | | propName = aProps[i]; |
| | | if (a[propName] !== b[propName]) { |
| | | return false; |
| | | } |
| | | } |
| | | 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; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 统计字符串占位宽度 |
| | | * @param {String} string |
| | | * @return {Number} |
| | | */ |
| | | static countStringLength(string) { |
| | | let realLength = 0; |
| | | const len = string.length; |
| | | let charCode = -1; |
| | | for (let i = 0; i < len; i++) { |
| | | charCode = string.charCodeAt(i); |
| | | // 128编号内字符占1位宽度 |
| | | if (charCode >= 0 && charCode <= 128) { |
| | | realLength += 1; |
| | | } |
| | | // 128编号后字符(包括中文)占2位宽度 |
| | | else { |
| | | realLength += 2; |
| | | } |
| | | } |
| | | return realLength; |
| | | } |
| | | |
| | | /** |
| | | * 获取字符串基于字节长度的剪切点 |
| | | * @param {String} string |
| | | * @param {Number} byteLength |
| | | * @return {Number} |
| | | */ |
| | | static getStringCutIndex(string, byteLength) { |
| | | if (byteLength === 0) { |
| | | return 0; |
| | | } |
| | | let countLength = 0; |
| | | let charCode = -1; |
| | | let cutIndex = 0; |
| | | const len = string.length; |
| | | for (let i = 0; i < len; i++) { |
| | | charCode = string.charCodeAt(i); |
| | | // 128编号内字符占1位宽度 |
| | | if (charCode >= 0 && charCode <= 128) { |
| | | countLength += 1; |
| | | } |
| | | // 128编号后字符(包括中文)占2位宽度 |
| | | else { |
| | | countLength += 2; |
| | | } |
| | | // 裁剪位置 |
| | | if (countLength > byteLength) { |
| | | cutIndex = i; |
| | | break; |
| | | } |
| | | } |
| | | return cutIndex; |
| | | } |
| | | |
| | | /** |
| | | * 限制数值范围,超出边界返回边界值 |
| | | * @param {Number|String} num |
| | | * @param {[Number,Number]} range |
| | | * @return {Number} |
| | | */ |
| | | static limitNumberRange(num, range) { |
| | | num = Number(num); |
| | | num = num < range[0] ? range[0] : num; |
| | | num = num > range[1] ? range[1] : num; |
| | | return num; |
| | | } |
| | | |
| | | /** |
| | | * 深拷贝 |
| | | * @param {Object} source |
| | | * @return {Object|Array} |
| | | */ |
| | | static deepCopy(source) { |
| | | let result = null; |
| | | if (source instanceof Array) { |
| | | result = []; |
| | | } else { |
| | | result = {}; |
| | | } |
| | | for (let key in source) { |
| | | if (source.hasOwnProperty(key)) { |
| | | if (typeof source[key] === 'object') { |
| | | if (Tools.isNull(source[key])) { |
| | | result[key] = source[key]; |
| | | } else { |
| | | result[key] = this.deepCopy(source[key]); |
| | | } |
| | | } else { |
| | | result[key] = source[key]; |
| | | } |
| | | } |
| | | } |
| | | return result; |
| | | } |
| | | |
| | | /** |
| | | * 深合并 |
| | | * @param target |
| | | * @param source |
| | | * @return {Object|Array} |
| | | */ |
| | | static deepCombine(target, source) { |
| | | for (let key in source) { |
| | | if (source.hasOwnProperty(key)) { |
| | | if (typeof source[key] === 'object') { |
| | | if (Tools.isNull(source[key])) { |
| | | target[key] = source[key]; |
| | | } else { |
| | | if (Tools.isArray(source[key])) { |
| | | target[key] = []; |
| | | } else { |
| | | target[key] = {}; |
| | | } |
| | | this.deepCombine(target[key], source[key]); |
| | | } |
| | | } else { |
| | | target[key] = source[key]; |
| | | } |
| | | } |
| | | } |
| | | return target; |
| | | } |
| | | |
| | | /** |
| | | * 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'] |
| | | * @return {String} |
| | | */ |
| | | static momentFormat(timestamp, type = 'date') { |
| | | if (!timestamp || timestamp === '0' || timestamp === 0) { |
| | | return ''; |
| | | } |
| | | // 字符串 |
| | | if (Tools.isString(timestamp)) { |
| | | // 全数值 |
| | | if (/^\d+$/.test(timestamp)) { |
| | | timestamp = parseInt(timestamp); |
| | | } |
| | | // 日期 |
| | | else { |
| | | try { |
| | | timestamp = (new Date(timestamp)).getTime(); |
| | | } catch (e) { |
| | | } |
| | | } |
| | | } |
| | | if (timestamp < 9 * 10e8) { |
| | | timestamp *= 1000; |
| | | } |
| | | const curMoment = moment(timestamp); |
| | | if (type === 'date') { |
| | | return curMoment.format('YYYY-MM-DD'); |
| | | } else if (type === 'dateTime') { |
| | | return curMoment.format('YYYY-MM-DD HH:mm'); |
| | | } else if (type === 'dateTimeShort') { |
| | | return curMoment.format('MM-DD HH:mm'); |
| | | } else if (type === 'dateTimeFull') { |
| | | return curMoment.format('YYYY-MM-DD HH:mm:ss'); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 数值转换为时长描述 |
| | | * @param {number} timestamp |
| | | * @return {string} |
| | | */ |
| | | static durationFormat(timestamp) { |
| | | if (typeof timestamp !== 'number') { |
| | | return ''; |
| | | } |
| | | let words = ''; |
| | | const duration = moment.duration(timestamp); |
| | | const seconds = duration.get('seconds'); |
| | | if (seconds) { |
| | | words = seconds + '秒'; |
| | | } |
| | | const minutes = duration.get('minutes'); |
| | | if (minutes) { |
| | | words = minutes + '分' + words; |
| | | } |
| | | const hours = duration.get('hours'); |
| | | if (hours) { |
| | | words = hours + '小时' + words; |
| | | } |
| | | return words; |
| | | } |
| | | |
| | | /** |
| | | * 数值转换为金钱格式 |
| | | * @param {Number|String} number |
| | | * @return {string} |
| | | */ |
| | | static moneyFormat(number) { |
| | | if (typeof number !== 'number' && !number) { |
| | | return ''; |
| | | } |
| | | if (typeof number === 'string') { |
| | | number = parseInt(number) || 0; |
| | | } |
| | | const numFixed = number.toFixed(2); |
| | | const integer = parseInt(numFixed); |
| | | const decimal = numFixed.split('.')[1]; |
| | | return integer.toLocaleString() + '.' + decimal; |
| | | } |
| | | |
| | | /** |
| | | * 加法函数,用来得到精确的加法结果 |
| | | * @param {Number|String} num1 |
| | | * @param {Number|String} num2 |
| | | */ |
| | | static accAdd(num1, num2) { |
| | | const r1 = Tools.getDecimalLength(num1); |
| | | const r2 = Tools.getDecimalLength(num2); |
| | | const m = Math.pow(10, Math.max(r1, r2)); |
| | | return (Number(num1) * m + Number(num2) * m) / m; |
| | | } |
| | | |
| | | /** |
| | | * 减法函数,用来得到精确的减法结果 |
| | | * @param {Number|String} num1 |
| | | * @param {Number|String} num2 |
| | | */ |
| | | static accSub(num1, num2) { |
| | | return Tools.accAdd(num1, -num2); |
| | | } |
| | | |
| | | /** |
| | | * 乘法函数,用来得到精确的乘法结果 |
| | | * @param {Number|String} num1 |
| | | * @param {Number|String} num2 |
| | | */ |
| | | static accMul(num1, num2) { |
| | | let m = 0; |
| | | m += Tools.getDecimalLength(num1); |
| | | m += Tools.getDecimalLength(num2); |
| | | const r1 = Number(num1.toString().replace('.', '')); |
| | | const r2 = Number(num2.toString().replace('.', '')); |
| | | return (r1 * r2) / Math.pow(10, m); |
| | | } |
| | | |
| | | /** |
| | | * 除法函数,用来得到精确的除法结果 |
| | | * @param {Number|String} num1 |
| | | * @param {Number|String} num2 |
| | | */ |
| | | static accDiv(num1, num2) { |
| | | const t1 = Tools.getDecimalLength(num1); |
| | | const t2 = Tools.getDecimalLength(num2); |
| | | const r1 = Number(num1.toString().replace('.', '')); |
| | | const r2 = Number(num2.toString().replace('.', '')); |
| | | return (r1 / r2) * Math.pow(10, t2 - t1); |
| | | } |
| | | |
| | | /** |
| | | * 求小数点后的数据长度 |
| | | * @param {Number|String} num |
| | | * @private |
| | | */ |
| | | static getDecimalLength(num) { |
| | | let t = 0; |
| | | try { |
| | | t = num.toString().split('.')[1].length; |
| | | } catch (e) { |
| | | } |
| | | return t; |
| | | } |
| | | |
| | | /** |
| | | * 判断是否为手机号码 |
| | | * @param {Number|String} phone |
| | | * @returns {boolean} |
| | | */ |
| | | static isPhone(phone) { |
| | | return /^1[3456789]\d{9}$/.test('' + phone); |
| | | } |
| | | |
| | | |
| | | } |