您好，我是编程和Swift的新手，我一直在搜索地址簿。我收到此错误:_ABSearchComparison不可转换为ABSearchComparisonvaradbk=ABAddressBook.sharedAddressBook()varisGroupBusiness=ABGroup.searchElementForProperty(kABGroupNameProperty,label:nil,key:nil,value:"Business",comparison:kABEqual)提前谢谢你 最佳答案 kABEqual具有str