1. /* 对象数组转数组 1：obj->Array    2：数据格式  
    2.     const s ={
    3.     a:{label:'1',value:'2'},
    4.     b:{label:'1',value:'2'},
    5.     ...
    6.     }
    7. */
    8. function objToAarr (data){
    9.     const newArr =[]
    10.     for(const item in data){
    11.          newArr.push(data[item])
    12.     }
    13.     return newArr
    14. }
    16. // 普通数组去重
    18. function uniqueArr(arr) {
    19.      return Array.from(new Set(arr))
    20. }
    22. // 数组排序
    24. function sortList(list, key, group) {
    25.   const arr = list
    26.   arr.sort((a, b) => {
    27.     return parseInt(b[key], 10) - parseInt(a[key], 10)
    28.   })
    29.   return arr
    30. }
    32. // 根据 key 对象数组分组-去重
    33. function uniqueObjArr(list, key) {
    34.   const newlist = []
    35.   const group = []
    36.   list.forEach(element => {
    37.     const find = group.indexOf(element[key].replace(/^\s+|\s+$/g, ''))
    38.     if (find < 0) {
    39.       newlist.push(element)
    40.       group.push(element[key].replace(/^\s+|\s+$/g, ''))
    41.     }
    42.   })
    44.   return newlist
    45. }
    48. /** 拷贝*/
    49. function deepClone(source) {
    50.     if (!source && typeof source !== 'object') {
    51.         throw new Error('error arguments', 'shallowClone')
    52.     }
    53.     const targetObj = source.constructor === Array ? [] : {}
    54.     Object.keys(source).forEach(keys => {
    55.         if (source[keys] && typeof source[keys] === 'object') {
    56.             targetObj[keys] = deepClone(source[keys])
    57.         } else {
    58.             targetObj[keys] = source[keys]
    59.         }
    60.     })
    61.     return targetObj
    62. }
    64. // 获取当前时间S
    65. function getTime(type) {
    66.   if (type === 'start') {
    67.     return new Date().getTime() - 3600 * 1000 * 24 * 90
    68.   } else {
    69.     return new Date(new Date().toDateString())
    70.   }
    71. }
    73. // formatTime当前时间
    74. function formatTime(time, option) {
    75.   time = +time * 1000
    76.   const d = new Date(time)
    77.   const now = Date.now()
    78.   const diff = (now - d) / 1000
    79.   if (diff < 30) {
    80.     return '刚刚'
    81.   } else if (diff < 3600) {
    82.     // less 1 hour
    83.     return Math.ceil(diff / 60) + '分钟前'
    84.   } else if (diff < 3600 * 24) {
    85.     return Math.ceil(diff / 3600) + '小时前'
    86.   } else if (diff < 3600 * 24 * 2) {
    87.     return '1天前'
    88.   }
    89.   if (option) {
    90.     return parseTime(time, option)
    91.   } else {
    92.     return (
    93.       d.getMonth() +
    94.       1 +
    95.       '月' +
    96.       d.getDate() +
    97.       '日' +
    98.       d.getHours() +
    99.       '时' +
    100.       d.getMinutes() +
    101.       '分'
    102.     )
    103.   }
    104. }