判断对象内是否有某个键 并且有值

a:{b:0,c:1}
console.log('b' in a); true
console.log('k' in a); false

specialParkId的目标对象的key 有

if('specialParkId' in this.workshopData && 
this.workshopData.specialParkId!='' &&
this.workshopData.specialParkId!=null){
       return true
      }else{
        return ''}