用字段destId比较

  /**
   * 两个数组对象去复
   * @param {*} array1
   * @param {*} array2
   */
  arrayRepeat (array1, array2) {
    var result = []
    for (var i = 0; i < array2.length; i++) {
      var obj = array2[i]
      var num = obj.destId
      var isExist = false
      for (var j = 0; j < array1.length; j++) {
        var aj = array1[j]
        var n = aj.destId
        if (n === num) {
          isExist = true
          break
        }
      }
      if (!isExist) {
        result.push(obj)
      }
    }
    return result
  }