排序方法

mounted () {
    const oldArr = [{
      'name': 'a123',
      'code': 'a',
      'snapshotId': 'ff8081818bd09640018bd09640860000',
      'showList': null,
      'orderList': null,
      'sortOrder': null,
      'sortNumber': 2,
      'isSelected': false
    }, {
      'name': '端口流量',
      'code': 'throughput',
      'snapshotId': '37',
      'showList': null,
      'orderList': null,
      'sortOrder': 'asc',
      'sortNumber': 0,
      'isSelected': true
    }, {
      'name': '开启端口数',
      'code': 'memutil',
      'snapshotId': '38',
      'showList': null,
      'orderList': null,
      'sortOrder': null,
      'sortNumber': 1,
      'isSelected': false
    }]
    const arr = JSON.parse(JSON.stringify(oldArr))
    console.log('排序之前->', arr)
    const arr2 = oldArr.sort(this.sortFunc('sortNumber'))
    console.log('排序之后->', arr2)
  }

sortFunc (name) {
      return function (o, p) {
        var a, b
        if (typeof o === 'object' && typeof p === 'object' && o && p) {
          a = o[name]
          b = p[name]
          if (a === b) {
            return 0
          }
          if (typeof a === typeof b) {
            return a < b ? -1 : 1
          }
          return typeof a < typeof b ? -1 : 1
        }
      }
    },