// 数组去重 export function arrayUnique(arr) { arr.filter((element, index, arr) => { return arr.indexOf(element) === index }) } // 数组去重,数组中值是对象 export function arrayUnique2(arr, name) { const hash = {} return arr.reduce(function(item, next) { hash[next[name]] ? '' : hash[next[name]] = true && item.push(next) return item }, []) } // 时间转时间戳 export function timeToStamp(time) { const date = new Date(time) return date.getTime() } // 数组的深度拷贝 export function arrDeepCopy(arr) { const newArr = [] for (const prop in arr) newArr[prop] = typeof arr[prop] === 'object' ? arrDeepCopy(arr[prop]) : arr[prop] return newArr } // 对象的深度拷贝 export function objDeepCopy(obj) { const newObj = {} for (const prop in obj) newObj[prop] = typeof obj[prop] === 'object' ? objDeepCopy(obj[prop]) : obj[prop] return newObj } function zeroFill(i) { if (i >= 0 && i <= 9) { return '0' + i } else { return i } } // 获取当前时间 export function getNowTime() { const date = new Date() const month = zeroFill(date.getMonth() + 1) const day = zeroFill(date.getDate()) const hour = zeroFill(date.getHours()) const minute = zeroFill(date.getMinutes()) const second = zeroFill(date.getSeconds()) const time = date.getFullYear() + '-' + month + '-' + day + ' ' + hour + ':' + minute + ':' + second return time } // 判断类型 export function type(target) { const ret = typeof (target) const template = { '[object Array]': 'array', '[object Object]': 'object', '[object String]': 'string - object', '[object Number]': 'Number - object', '[object Boolean]': 'Boolean - object' } if (target === null) { return 'null' } if (ret === 'object') { const str = Object.prototype.toString.call(target) return template[str] } else { return ret } } export function SectionToChinese(section) { const chnNumChar = ['零', '一', '二', '三', '四', '五', '六', '七', '八', '九'] const chnUnitChar = ['', '十', '百', '千'] let strIns = '' let chnStr = '' let unitPos = 0 let zero = true while (section > 0) { const v = section % 10 if (v === 0) { if (!zero) { zero = true chnStr = chnNumChar[v] + chnStr } } else { zero = false strIns = chnNumChar[v] strIns += chnUnitChar[unitPos] chnStr = strIns + chnStr } unitPos++ section = Math.floor(section / 10) } return chnStr } export function sleep(time) { return new Promise(resolve => { setTimeout(resolve, time) }) } export function groupBy(datas, keys) { const list = datas || [] const groups = [] const result = [] list.forEach(v => { const key = {} keys.forEach(k => { key[k] = v[k] }) let group = groups.find(v => { return v._key === JSON.stringify(key) }) if (!group) { group = { _key: JSON.stringify(key), key: key } groups.push(group) } group.data1 = group.data1 || 0 group.key.数量 = group.data1 += v.数量 group.data2 = group.data2 || '' group.key.机床图号_组号 = group.data2 += (v.机床图号 || '') + '-' + (v.组号 ? v.组号.split('组')[0] : '') + '
' group.data3 = group.data3 || 0 group.key.合计 = group.data3 += v.合计 }) groups.map(v => { result.push(v.key) }) return result }