如何解决在 swift 中导航到 popViewController 时无法将委托值添加到 JSON 参数
我有两个视图控制器,称为 SearchVC 和 filterVC,用于两个视图控制器我有一个 JSON API....这里如果参数为零那么我需要显示总响应..像这样我可以做..
如果我使用 popviewcontroller 委托获取从 filterVC 到 SearchVC 的参数值,那么我需要在参数中显示该值..这是我无法做到的
struct DataEnteredModelSave {
var categooryName: String
var location: String
var budgetType: String
}
protocol DataEnteredDelegate: class {
func userDidEnterinformation(info: DataEnteredModelSave)
}
class FilterVC: UIViewController {
weak var delegate: DataEnteredDelegate? = nil
@IBAction func applyBtn(_ sender: Any) {
if searchServcTf.text != nil{
let enteredData = DataEnteredModelSave(categooryName: searchServcTf.text ?? "",location: "",budgetType: "")
delegate?.userDidEnterinformation(info: enteredData)
}
else if locationTf.text != nil{
let enteredData = DataEnteredModelSave(categooryName: "",location: locationTf.text ?? "",budgetType: "")
delegate?.userDidEnterinformation(info: enteredData)
}
else if searchServcTf.text != nil && locationTf.text != nil{
let enteredData = DataEnteredModelSave(categooryName: searchServcTf.text ?? "",budgetType: "")
delegate?.userDidEnterinformation(info: enteredData)
}
else{
let enteredData = DataEnteredModelSave(categooryName: "",budgetType: "")
delegate?.userDidEnterinformation(info: enteredData)
}
self.navigationController?.popViewController(animated: true)
}
在 SearchVC 中,我将委托值添加到如下参数中:这里 postServiceCalll
在我从 FilterVc 执行 popViewcontroller 时不调用
class SearchVC: UIViewController,DataEnteredDelegate {
var serviceNmae: String? = ""
var location: String? = ""
var budgetType: String? = ""
@IBAction func filterBtn(_ sender: Any) {
let vc = Helper.getVcObject(vcName: .SearchFilterVC,StoryBoardName: .Main) as! SearchFilterVC
vc.delegate = self
self.checkAndPushPop(vc,navigationController: self.navigationController)
}
func userDidEnterinformation(info: DataEnteredModelSave) {
print("filter viewcontroller data \(info)")
self.serviceNmae = info.categooryName
self.location = info.location
self.budgetType = info.budgetType
}
func postServiceCalll(){
print("serviceName \(serviceNmae) and budgetType \(budgetType)")
let param = ["location" : location,"lat": "","lng" : "","nearby": "","gender": "","budget": budgetType,"from_date": "","to_date": "","min_rate": "","max_rate": "","category_select": serviceNmae]
APIReqeustManager.sharedInstance.serviceCall(param: param,method: .post,loaderNeed: true,loadingButton: nil,needViewHideShowAfterLoading: nil,vc: self,url: CommonUrl.search_service_request,isTokenNeeded: true,isErrorAlertNeeded: true,isSuccessAlertNeeded: false,actionErrorOrSuccess: nil,fromLoginPageCallBack: nil){ [weak self] (resp) in
self?.searchServReq = SearchServiceReqBaseModel(dictionary: resp.dict as NSDictionary? ?? NSDictionary())
dispatchQueue.main.async {
self?.tableView.reloadData()
}
}
}
}
现在我在 filter viewcontroller data DataEnteredModelSave(categooryName: "Adventure",budgetType: "")
中获得价值
但是在 postServiceCalll
中没有调用并且 print("serviceName \(serviceNmae) and budgetType \(budgetType)")
值没有出现..为什么我错了..请帮忙
解决方法
打电话
func userDidEnterInformation(info: DataEnteredModelSave) {
print("filter viewcontroller data \(info)")
self.serviceNmae = info.categooryName
self.location = info.location
self.budgetType = info.budgetType
postServiceCalll() ////// << here
}
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。