批量操作（根据选中数组的状态来判断【批量操作按钮】能否被点击）

// 手动勾选数据行时触发的事件
    selectChange (row) {
      this.allSelectJobs = row
      if (row && row.length !== 0) {
        if (row.length >= 2) {
          this.activeBtnDis = true
        } else {
          this.activeBtnDis = false
        }
        let rowArr = this.arrUnique(row)
        let rowNum = rowArr.length
        // console.log(rowArr)
        if (rowNum <= 2) {
          if (rowNum === 2) {
            console.log("有2种")
            for (let j = 0; j < rowArr.length; j++) {
              if (rowArr[j] === ‘1‘) {
                console.log(‘有1存在‘)
                this.checkArrDisabled = true
                this.checkArrDisabled_2 = true
　　　　　　　　　 return

              } else {
                console.log(‘都是2或者都是3‘)
                this.checkArrDisabled = true
                this.checkArrDisabled_2 = false
              }
            }
          } else if (rowNum === 1 && rowArr[0] === ‘1‘) {
            console.log(‘都是1‘)
            this.checkArrDisabled = false
            this.checkArrDisabled_2 = true
          } else if (rowNum === 1 && (rowArr[0] === ‘2‘ || rowArr[0] === ‘3‘)) {
            console.log(‘都是2或者都是3‘)
            this.checkArrDisabled = true
            this.checkArrDisabled_2 = false
          }
        } else {
          console.log(‘1,2,3都有‘)
          this.checkArrDisabled = true
          this.checkArrDisabled_2 = true
        }
      } else {
        this.activeBtnDis = false
        this.checkArrDisabled = true
        this.checkArrDisabled_2 = true
      }
    },
    // 数组去重
    arrUnique (arr) {
      const newArr = []
      for (let i = 0; i < arr.length; i++) {
        if (newArr.indexOf(arr[i].status) === -1) {
          newArr.push(arr[i].status)
        }
      }
      return newArr
    },