//联系人:石虎QQ: 1224614774昵称:嗡嘛呢叭咪哄
/**
注意点:
1.看 GIF 效果图.
2.看连线视图的效果图.
3.看实现代码(直接赋值实现效果).
*/
一、GIF 效果图:
二、连线视图的效果图:
图1:
图2:
三、实现代码:
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控制器1:
// ViewController.m
//通知测试dome
//
// Created by石虎on 2017/7/22.
// Copyright © 2017年shihu. All rights reserved.
//
#import"ViewController.h"
#import"SHTwoViewController.h"
@interfaceViewController()
//显示传值的内容
@property(weak,nonatomic)IBOutletUILabel*textStrng;
//跳转
- (IBAction)notificationClick:(UIButton*)sender;
@end
@implementationViewController
- (void)viewDidLoad {
[superviewDidLoad];
//注册通知----第一部
[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(showLabelText:)name:@"labelTextNotification"object:nil];
}
//实现通知监听---第二部
- (void)showLabelText:(NSNotification*)notification
{
//第三,实现通知中心内部的方法,并实现传值
idtext = notification.object;
//赋值到文本上面
self.textStrng.text= text;
}
//释放通知---第四部
- (void)dealloc
{
//第四步,消息发送完,要移除掉
[[NSNotificationCenterdefaultCenter]removeObserver:selfname:@"labelTextNotification"object:nil];
}
#pragma mark -//点击通知跳转
- (IBAction)notificationClick:(UIButton*)sender{
SHTwoViewController*twoVC =[[SHTwoViewControlleralloc]init];
[selfpresentViewController:twoVCanimated:YEScompletion:nil];;
}
@end
=========================
===================================================
==========================
控制器2:
/ SHTwoViewController.m
//通知测试dome
//
// Created by石虎on 2017/7/22.
// Copyright © 2017年shihu. All rights reserved.
//
#import"SHTwoViewController.h"
#import"ViewController.h"
@interfaceSHTwoViewController()
//输入要传值的文字
@property(weak,nonatomic)IBOutletUITextField*TextField;
//开始传值
- (IBAction)startValue:(id)sender;
@end
@implementationSHTwoViewController
- (void)viewDidLoad {
[superviewDidLoad];
}
//开始传值
- (IBAction)startValue:(id)sender
{
//发布通知----第三部
[[NSNotificationCenterdefaultCenter]postNotificationName:@"labelTextNotification"object:self.TextField.text];
[selfdismissViewControllerAnimated:YEScompletion:nil];
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent*)event {
[self.viewendEditing:YES];
}
@end
谢谢!!!
