IOS_18_ Controller Switch _navigationcontroller_push mode _ Pass Data

Eventually:

Storyboard

BeyondViewController.h

  beyondviewcontroller.h//  18_ Controller switch _navigation_push_ by storyboard mode////  Created by Beyond on 14-7-31.//  Copyright (c) 2014 Com.beyond. All rights reserved.//#import <UIKit/UIKit.h> @interface beyondviewcontroller:uiviewcontroller// Navigationitem left button @property (weak, nonatomic) Iboutlet uibarbuttonitem *refreshbtn;//Navigationitem right button @property ( Weak, nonatomic) Iboutlet uibarbuttonitem *wanttologinbtn;//navigationitem left button click event Refresh to initial state-(ibaction) Refresh: ( Uibarbuttonitem *) sender; @end

Beyondviewcontroller.m

  beyondviewcontroller.m//  18_ Controller switch _navigation_push_ by storyboard mode////  Created by Beyond on 14-7-31.//  Copyright (c) 2014 Com.beyond. All rights reserved.//#import "BeyondViewController.h" @interface Beyondviewcontroller () @end @implementation beyondviewcontroller//Refresh to initial state-(ibaction) Refresh: (Uibarbuttonitem *) sender{    self.navigationItem.title = @ "Home";    self.wantToLoginBtn.enabled = YES;    self.refreshBtn.enabled = NO;} @end

LoginViewController.h

  loginviewcontroller.h//  18_ Controller switch _navigation_push_ by storyboard mode////  Created by beyond on 14-7-31.  Copyright (c) 2014 Com.beyond. All rights reserved.//#import <UIKit/UIKit.h> @interface loginviewcontroller:uiviewcontroller// User name input box @property (weak, nonatomic) iboutlet uitextfield *username;//password input box @property (weak, nonatomic) Iboutlet Uitextfield *password;//enter username and password, click the login button-(ibaction) Loginbtnclick: (UIButton *) sender;//Navigationitem left button click event  returns the previous controller-(ibaction) Backtohome: (Uibarbuttonitem *) sender; @end

Loginviewcontroller.m

loginviewcontroller.m//18_ Controller switch _navigation_push_ by storyboard mode////Created by Beyond on 14-7-31.//Copyright (c) 2014 Com.beyond. All rights reserved.//#import "LoginViewController.h" #import "NanaViewController.h" @interface Loginviewcontroller ()        @end @implementation loginviewcontroller-(void) viewdidload{[Super Viewdidload]; _password.securetextentry = YES;} -(ID) Initwithnibname: (NSString *) Nibnameornil Bundle: (NSBundle *) nibbundleornil{self = [Super Initwithnibname:nibnam    Eornil Bundle:nibbundleornil]; if (self) {//Custom initialization} return to self;} #pragma mark-navigation//before jumping through the segue to the next navigation sub-controller, do the preparation! Here is the transfer of data to the destination controller-(void) Prepareforsegue: (Uistoryboardsegue *)    Segue Sender: (ID) username{//To get the destination controller, use [Segue Destinationviewcontroller].        Here, the data can be passed to the next controller//This parameter is the data to be passed NSLog (@ "Prepare for segue----%@", username); By Segue Destinationviewcontroller get the target controller to jump, pass the data to it nanaviewcontroller *NANAVC = [Segue DestinatIonviewcontroller];    NSString *oldtitle = NanaVC.item_nanaSay.title;    Nanavc.username = Username;    NSString *newstr = [NSString stringwithformat:@ "%@ Hello ~%@", username,oldtitle];    NanaVC.item_nanaSay.title = Newstr; }//Enter user name and password, click the login button-(ibaction) Loginbtnclick: (UIButton *) sender{//robust to determine if (_username.text.length = = 0 | | _p Assword.text.length = = 0) {Uiactionsheet *sheet = [[Uiactionsheet alloc]initwithtitle:@ "Please enter your account and password" Delegate:nil can        celbuttontitle:@ "Cancel" destructivebuttontitle:@ "understand" otherbuttontitles:@ "other", nil];        [Sheet ShowInView:self.view];        [_username Becomefirstresponder];    Return }//Enter the correct password and account, jump to 3rd controller//Self.navigationcontroller pushviewcontroller:<# (Uiviewcontroller *) #> Animat ed:<# (BOOL) #>//Through Segue connection, jump to the next sub-controller inside the Self.navigationcontroller container, and pass parameters (username), parameters will be passed to Self's preparefo The Rsegue method is then passed to the next controller (destination) [Self performseguewithidentifier:@ "segue_loginsuccess" SendeR:_username.text]; }//Navigationitem left button click event to return to the previous controller, that is, home-(Ibaction) Backtohome: (Uibarbuttonitem *) sender{[    Self.navigationcontroller Popviewcontrolleranimated:yes]; } @end

NanaViewController.h

  nanaviewcontroller.h//  18_ Controller switch _navigation_push_ by storyboard mode////  Created by Beyond on 14-7-31./ /  Copyright (c) Com.beyond 2014. All rights reserved.//#import <UIKit/UIKit.h> @interface nanaviewcontroller:uiviewcontroller// Navigationitem right button   welcome slogan @property (weak, nonatomic) Iboutlet Uibarbuttonitem *item_nanasay;// Click the button on the left of Navigationitem  to return to the home page, the first controller, and bring the data over-(ibaction) Backtohome: (Uibarbuttonitem *) sender;//only to receive the data passed over the ~ @property (nonatomic,copy) NSString * username; @end

Nanaviewcontroller.m

nanaviewcontroller.m//18_ Controller switch _navigation_push_ by storyboard mode////Created by Beyond on 14-7-31.//Copyright (c) 2014 Com.beyond. All rights reserved.//#import "NanaViewController.h" #import "BeyondViewController.h" @interface Nanaviewcontroller () @end @implementation nanaviewcontroller-(ID) initwithnibname: (NSString *) Nibnameornil Bundle: (NSBundle *)    nibbundleornil{self = [super Initwithnibname:nibnameornil Bundle:nibbundleornil]; if (self) {//Custom initialization} return to self;}  Go back to the home page, the first controller, and bring the data over-(ibaction) Backtohome: (Uibarbuttonitem *) Sender {//Get the first controller Beyondviewcontroller *FIRSTVC        = [Self.navigationController.viewControllers firstobject];  [Self.navigationController.viewControllers objectatindex:n-2];    N for the top index//Join the data to be passed nsstring *str = [NSString stringwithformat:@ "Welcome%@ back", _username];    FirstVC.navigationItem.title = str;    firstVC.wantToLoginBtn.enabled = NO;    firstVC.refreshBtn.enabled = YES; Pop to PageOne controller [Self.navigationcontroller POPTOVIEWCONTROLLER:FIRSTVC animated:yes];} @end