• 常用的工具方法的封装


    import {Fecth} from '@/assets/js/http'
    import {codeState} from '@/assets/js/code'
    /****************************
    *hasClass
    *
    * 判断是否存在某个class
    * obj:原生dom
    * className:要验证的class
    *
    * 返回:boolean,true 包含,false 不包含
    */
    export const hasClass = function (obj, className) {
    var reg = new RegExp('^|\s' + className + '$|\s')
    return reg.test(obj.className)
    }

    /****************************
    *addClass
    *
    * 添加一个class
    * obj:原生dom
    * className:要添加的class
    *
    * 返回:string,拼接在一起的className
    */
    export const addClass = function (obj, className) {
    if (hasClass(obj, className)) {
    return
    }
    let classArr
    let classNew
    classArr = obj.className.split(' ')
    classArr.push(className)
    classNew = classArr.join(' ')
    obj.className = classNew
    }

    /***************************
    * ajax
    *
    * url:请求路径
    * type:请求方式
    * data:参数
    * success:成功回调
    * error:错误回调
    */
    export const ajax = function (args) {
    var opt = {
    url: '',
    type: 'GET',
    data: {},
    success: function () {},
    error: function () {}
    }
    extend(opt, args)
    if (typeof opt.url === 'string' && opt.url) {
    let url = opt.url
    let type = opt.type.toUpperCase()
    let data = opt.data
    let success = opt.success
    let error = opt.error
    let res
    let xhr = XMLHttpRequest ? new XMLHttpRequest() : window.ActiveXObject('Miscrosoft.XMLHTTP')
    let combinedUrl = dataToUri(url, data)
    if (type === 'GET') {
    xhr.open(type, combinedUrl, true)
    xhr.send()
    }
    if (type === 'post') {
    xhr.open(type, url, true)
    xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencode')
    xhr.send(combinedUrl)
    }
    xhr.onload = function () {
    if (xhr.status === 200 || xhr.status === 304) {
    res = xhr.responseText
    if (success instanceof Function) {
    success.call(xhr, res)
    }
    } else {
    if (error instanceof Function) {
    error.call(xhr, res)
    }
    }
    }
    }
    }

    /********************************
    * jsonp
    *
    * url:请求路径
    * data:参数
    */
    export const jsonp = function (args) {
    let opt = {
    url: '',
    data: {},
    jsonpCallback: 'jsonp'
    }
    extend(opt, args)
    let url = dataToUri(opt.url, opt.data) + encodeURIComponent('jsonpCallback') + '=' + encodeURIComponent(opt.jsonpCallback)
    createScript({src: url})
    }

    /********************************
    * dataToUri
    *
    * 将json格式的data和url合并在一起,并encode
    * url: 标准url
    * data: 必须是字面量对象格式
    * encode: bollean格式,true 需要转译,false 不需要转译
    */
    export const dataToUri = function (url, data, encode) {
    // 是否为字面量对象
    if (isJson(data)) {
    let _encode = true
    let dataArr = []
    if (typeof encode === 'boolean') {
    _encode = encode
    }
    for (let item in data) {
    let str = _encode ? (encodeURIComponent(item) + '=' + encodeURIComponent(data[item])) : item + '=' + data[item]
    dataArr.push(str)
    }
    url += (url.indexOf('?') < 0 ? '?' : '&') + dataArr.join('&')

    return url.replace(/$\?/g, '')
    } else {
    return url
    }
    }

    /********************************
    * 参数的覆盖
    * 以第一个为基准,并不新添属性
    */
    export const extend = function (opt, args) {
    for (let item in opt) {
    if (args[item] !== undefined) {
    opt[item] = args[item]
    }
    }
    }

    /*******************************
    * 创建script标签
    *
    * opt为字面量对象,设置script的属性,
    * 最终在head上创建一个script标签
    */
    export const createScript = function (opt) {
    let script = document.createElement('script')
    // 是否为字面量对象
    if (!isJson(opt)) {
    return
    }
    for (let item in opt) {
    script.setAttribute(item, opt[item])
    }
    document.querySelector('head').appendChild(script)
    }

    /********************************
    * 判断是字面量对象
    *
    * true 是字面量对象, false 不是
    */
    export const isJson = function (data) {
    if (data instanceof Object && data.prototype === undefined) {
    return true
    }
    return false
    }
    /*********************************************************************************************************************
    * COOKIE 操作类
    */

    /******************************
    * 添加一个cookie
    */
    export const setCookie = function (key, value, days) {
    let Days = days || 30
    let exp = new Date()
    exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000)
    document.cookie = key + '=' + escape(value) + ';expires=' + exp.toGMTString()
    }

    /*******************************
    * 获取某个cookie的值
    */
    export const getCookie = function (key) {
    let allcookies = document.cookie
    let arr = allcookies.split(';')
    let value
    for (let i = 0; i < arr.length; i++) {
    let strIn = arr[i]
    let pos = strIn.indexOf('=')
    let regEx = /s+/g
    if (strIn.substring(0, pos).replace(regEx, '') === key) {
    value = strIn.substring(pos + 1, strIn.length)
    }
    }
    return unescape(value)
    }

    /**********************************
    * 判断某个cookie是否存在
    */
    export const containCookie = function (key) {
    let allcookies = document.cookie
    let cookiePos = allcookies.indexOf(key)
    if (cookiePos > -1) {
    return true
    }
    return false
    }

    /**********************************
    * 移除某个cookie
    *
    * 如果只移除一个,传第一个参数
    * 如果全部移除,传两个参数,如('', true)
    */
    export const removeCookie = function (key, removeAll) {
    let removeAllVal = typeof removeAll === 'boolean' ? removeAll : false
    /* eslint-disable no-useless-escape */
    let keys = document.cookie.match(/[^ =;]+(?==)/g)
    if (keys) {
    for (let i = 0; i < keys.length; i++) {
    if (!removeAllVal) {
    if (keys[i] === key) {
    document.cookie = keys[i] + '=0;expires=' + new Date(0).toUTCString()
    }
    } else {
    document.cookie = keys[i] + '=0;expires=' + new Date(0).toUTCString()
    }
    }
    }
    }
    /*******************************************************************************
    * 本地存储
    */

    /********************************
    * localStorage
    */
    /************
    * 是否存在localStorage
    * att 需要判断的属性
    * time 过期时间,默认一天
    * true 存在, false 不存在
    */
    export const containLocalStorage = function (attr) {
    let storage = window.localStorage
    if (storage.hasOwnProperty(attr)) {
    return true
    } else {
    return false
    }
    }
    /********************************
    * localStorage
    */
    /************
    * 是否存在sessionStorage
    * att 需要判断的属性
    * time 过期时间,默认一天
    * true 存在, false 不存在
    */
    export const containSessionStorage = function (attr) {
    let storage = window.sessionStorage
    if (storage.hasOwnProperty(attr)) {
    return true
    } else {
    return false
    }
    }
    /**************
    * 添加sessionStorage
    * json 传入字面量对象格式如{name:'夏天'}
    */
    export const setSessionStorage = function (json) {
    if (!isJson(json) || !window.sessionStorage) {
    return
    }
    let storage = window.sessionStorage
    for (let item in json) {
    if (json.hasOwnProperty(item)) {
    storage[item] = JSON.stringify(json[item])
    }
    }
    }

    /**************
    * 获取sessionStorage
    * 存在,返回对应值
    * 不存在,返回''
    */
    export const getSessionStorage = function (attr) {
    let storage = sessionStorage.getItem(attr)
    if (containSessionStorage(attr)) {
    let json = JSON.parse(storage)
    return json
    } else {
    return ''
    }
    }
    /*************
    * 删除localStorage
    *
    */
    export const delSessionStorage = function (attr) {
    let storage = window.sessionStorage
    if (containSessionStorage(attr)) {
    storage.removeItem(attr)
    }
    }
    /**************
    * 删除全部localStorage
    */
    export const delAllSessionStorage = function () {
    let storage = window.sessionStorage
    storage.clear()
    }
    /**************
    * 优先获取本地数据
    * param 要获取的参数, 请求参数, 请求路径, 是否植入到存储
    */
    export const getSessionLocalDataFirst = function (getData, postData, url, boo) {
    return new Promise((resolve, reject) => {
    if (getSessionStorage(getData)) {
    let obj = getSessionStorage(getData)
    resolve(obj)
    } else {
    Fecth(url, postData).then(res => {
    if (res.data.code === codeState.OKCODE) {
    if (boo) {
    let obj = {}
    obj[getData] = res.data.data
    console.log(111)
    setSessionStorage(obj)
    }
    resolve(res.data.data)
    }
    })
    }
    })
    }
    /**************
    * 优先获取本地数据
    * param 要获取的参数, 请求参数, 请求路径, 是否植入到存储
    */
    export const getLocalDataFirst = function (getData, postData, url, boo) {
    return new Promise((resolve, reject) => {
    if (getLocalStorage(getData)) {
    let obj = getLocalStorage(getData)
    resolve(obj)
    } else {
    Fecth(url, postData).then(res => {
    if (res.data.code === codeState.OKCODE) {
    if (boo) {
    let obj = {}
    obj[getData] = res.data.data
    console.log(111)
    setLocalStorage(obj)
    }
    resolve(res.data.data)
    }
    })
    }
    })
    }
    /**************
    * 添加localStorage
    * json 传入字面量对象格式如{name:'夏天'}
    */
    export const setLocalStorage = function (json) {
    if (!isJson(json) || !window.localStorage) {
    return
    }
    let storage = window.localStorage
    for (let item in json) {
    if (json.hasOwnProperty(item)) {
    storage[item] = JSON.stringify(json[item])
    }
    }
    }

    /**************
    * 获取localStorage
    * 存在,返回对应值
    * 不存在,返回''
    */
    export const getLocalStorage = function (attr) {
    let storage = window.localStorage
    if (containLocalStorage(attr)) {
    let json = JSON.parse(storage[attr])
    return json
    } else {
    return ''
    }
    }
    /*************
    * 删除localStorage
    *
    */
    export const delLocalStorage = function (attr) {
    let storage = window.localStorage
    if (containLocalStorage(attr)) {
    storage.removeItem(attr)
    }
    }
    /**************
    * 删除全部localStorage
    */
    export const delAllLocalStorage = function () {
    let storage = window.localStorage
    storage.clear()
    }

    /**********************************************************************
    * 格式校验类
    */

    /*********************************
    *为空
    *
    * true 空, false 非空
    */
    export const isEmpty = function (value) {
    if (value === null || value === undefined || value === '') {
    return true
    }
    return false
    }

    /*********************************
    *字符串格式
    *
    * true 是, false 不是
    */
    export const isString = function (value) {
    return !!value && value instanceof String
    }
    /*********************************
    *数组格式
    *
    * true 是, false 不是
    */
    export const isArray = function (value) {
    return !!value && value instanceof Array
    }

    /************************************
    * 验证密码格式
    *
    *true 格式正确 , false 格式不正确
    */
    export const isPassword = function (value) {
    let pattern = /^[d_a-zA-Z]{6,18}$/
    if (pattern.test(value)) {
    return true
    }
    return false
    }

    /**************************************
    * 手机号格式
    * true 格式正确, false 格式不正确
    */
    export const isPhone = function (value) {
    let pattern = /^1[34578]d{9}$/
    if (pattern.test(value)) {
    return true
    }
    return false
    }

    /************************************
    * 是布尔值
    */
    export const isBollean = function (value) {
    return value === true || value === false
    }

    /*********************************************************************
    * 小工具类
    */
    export const goTo = function (str) {
    if (str && typeof str === 'string') {
    window.location.href = str
    }
    }
    export const getLocalHref = function () {
    let str = window.location.href
    if (str.indexOf('#/') > -1) {
    str = str.substring(0, str.indexOf('#/'))
    }
    return str
    }
    export const trimHandler = function (str) {
    let reg = /^s+|s+$/g
    return str.replace(reg, '')
    }

    /*********************************************************************
    * 时间处理
    */
    /********
    * 重置时间对象到日期格式
    * @param 时间对象
    * 返回:2018-04-12 12:55:25
    */
    export const formatDateObjToDate = function (date) {
    let year = date.getFullYear()
    let month = (date.getMonth() + 1).toString().length === 1 ? '0' + (date.getMonth() + 1).toString() : (date.getMonth() + 1)
    let day = date.getDate().toString().length === 1 ? '0' + date.getDate() : date.getDate()
    let hour = date.getHours().toString().length === 1 ? '0' + date.getHours() : date.getHours()
    let min = date.getMinutes().toString().length === 1 ? '0' + date.getMinutes() : date.getMinutes()
    let sec = date.getSeconds().toString().length === 1 ? '0' + date.getSeconds() : date.getSeconds()
    return year + '-' + month + '-' + day + ' ' + hour + ':' + min + ':' + sec
    }
    /********
    * 计算两个日期之间差几天
    * @param date1/date2 两个日期
    * 返回:2
    */
    export const diffBetweenDates = function (date1, date2) {
    let dateSpan
    let iDays
    date1 = Date.parse(date1)
    date2 = Date.parse(date2)
    dateSpan = date1 - date2
    dateSpan = Math.abs(dateSpan)
    iDays = Math.floor(dateSpan / (24 * 3600 * 1000))
    return iDays
    }
    /********
    * 判断两个时间段是否有交集
    * @param dateRange1/dateRange2 [开始时间(2018-04-12), 结束时间[2018-05-16]]
    * 返回:2018-04-12 12:55:25
    */
    export const dateRangeIntersection = function (dateRange1, dateRange2) {
    let beginTime1 = new Date(dateRange1[0]).getTime()
    let endTime1 = new Date(dateRange1[1]).getTime()
    let beginTime2 = new Date(dateRange2[0]).getTime()
    let endTime2 = new Date(dateRange2[1]).getTime()
    if ((beginTime1 >= endTime2) || (endTime1 <= beginTime2)) {
    return false
    }
    return true
    }

    /**************************************
    * 一层深拷贝
    * true 格式正确, false 格式不正确
    */
    export const copyDeepOnce = function (originObj) {
    var targetObj = {}
    for (var item in originObj) {
    var val = originObj[item]
    if (val instanceof Object) {
    if (isArray(originObj[item])) {
    targetObj[item] = copyArr(originObj[item])
    } else {
    targetObj[item] = copyObj(originObj[item])
    }
    } else {
    targetObj[item] = originObj[item]
    }
    }
    return targetObj
    function isArray (value) {
    return !!value && value instanceof Array
    }
    function copyArr (arrOrigin) {
    var arr = []
    for (var i = 0; i < arrOrigin.length; i++) {
    arr.push(arrOrigin[i])
    }
    return arr
    }
    function copyObj (objOrigin) {
    var obj = {}
    for (var item in objOrigin) {
    obj[item] = objOrigin[item]
    }
    return obj
    }
    }
    /*******************
    * 多层深拷贝
    */

    export const copyDeep = function (origin) {
    if (origin instanceof Object) {
    if (isArray(origin)) {
    var targetArr = []
    for (var i = 0; i < origin.length; i++) {
    targetArr.push(copyDeep(origin[i]))
    }
    return targetArr
    } else {
    var targetObj = {}
    for (var item in origin) {
    targetObj[item] = copyDeep(origin[item])
    }
    return targetObj
    }
    } else {
    return origin
    }
    function isArray (value) {
    return !!value && value instanceof Array
    }
    }

    /************************************
    * date 格式转换
    */
    export const formatDate = function (date) {
    let y = date.getFullYear()
    let m = date.getMonth() + 1
    m = m < 10 ? '0' + m : m
    let d = date.getDate()
    d = d < 10 ? ('0' + d) : d
    return y + '-' + m + '-' + d
    }
    /**************************************************************************************************************************
    * dom 操作类
    */
    export const getComputedAtt = function (dom, att) {
    let value = (dom.currentStyle ? dom.currentStyle : getComputedStyle(dom))[att]
    return value
    }
    /************************************
    * 数组多语言保存前的数据处理
    */
    export const dataProcessingHandle = function (param) {
    // 将object类型转为数组类型
    let arrCopy = Object.keys(param).map(key => param[key])
    param = []
    arrCopy.forEach((item, index) => {
    if (item.LANG_ID !== '' && item.NAME !== '') {
    param.push(item)
    }
    })
    }

    /*************************************************
    判断开发模式
    ***********************/
    export const devMode = function () {
    let href = window.location.href
    let devType = 'official'
    if (href.indexOf('sim') > -1) { // 模拟
    devType = 'sim'
    }
    if (href.indexOf('test') > -1) { // 测试
    devType = 'test'
    }
    if ((href.indexOf('kaifa') > -1) || (href.indexOf('http://localhost:8088') > -1)) { // 开发
    devType = 'dev'
    }
    return devType
    }
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  • 原文地址:https://www.cnblogs.com/langqq/p/9087429.html
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