将一个数组对象根据id赋值给另外一个数组对象

data(){
	return {
		order:{
			'overdueOrder': [],
            'recentlyCompletedOrders': [
              {'id':7,'orderName':111}
            ],
            'workOrdersInProduction': [
              {'id': 3, 'rate': 0.6},
              {'id': 6, 'rate': 0.2}
            ]
		}
	}
},
watch: {
    socketData: {
      handler(val) {
      //虚拟数据
        val = {
          "code": 0,
          "type": 'indexOrders',
          "message": 'success',
          "data": {
            'overdueOrder': [],
            'recentlyCompletedOrders': [
              {'id':7,'orderName':111},
              {'id':7,'orderName':111},
              {'id':7,'orderName':111},
              {'id':7,'orderName':111}
            ],
            'workOrdersInProduction': [
              {'id': 3, 'rate': 0.8},
              {'id': 6, 'rate': 0.5}
            ]
          },
        }
        if (val.type === 'indexOrders') {
          for (let orderItem in this.order) {
            if (orderItem === 'workOrdersInProduction') {
              this.order[orderItem].forEach(item => {
                val.data[orderItem].forEach(item2 => {
                  if (item.id === item2.id) {
                    item.rate = item2.rate;
                  }
                })
              })
            } else {
              this.order[orderItem] = JSON.parse(JSON.stringify(val.data[orderItem]));
            }
          }
        }
      },
      deep: true,
      immediate: true
    }
  }