1.typealias myBlockArrCityAndId = (Array<Any>,Array<Any>,String) -> Void
2.var myBlock:myBlockArrCityAndId?
3.func baoCunBtn(){
var cityName:String = ""
var id:String = ""
if self.myBlock != nil{
for i in 0..<self.arrStr.count{
let str = self.arrStr[i]
cityName = str + "," + cityName
let d = self.arrStrID[i]
id = "(d)" + "," + id
}
self.myBlock!(arrStr,arrStrID,id)
}
}
func myBlockAll(tempClosure:@escaping myBlockArrCityAndId){
self.myBlock = tempClosure
}
4.回调
vc.myBlockAll(tempClosure: { (arrCity:Array, arrID:Array, id:String) in
self.cityName = arrCity as! [String]
self.cityID = arrID as! [Int]
self.strCityId = id
})