IOS中textField如何关闭键盘

<img src="http://img.blog.csdn.net/20160411171648698?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />

//
//  MyViewController.m
//  Demo5TextField
//
//  Created by spare on 16/4/11.
//  Copyright © 2016年 spare. All rights reserved.
//

#import "MyViewController.h"

@interface MyViewController ()
@property (weak, nonatomic) IBOutlet UITextField *text;
@property (weak, nonatomic) IBOutlet UILabel *label;

@end




@implementation MyViewController

//点中空白地方，收起键盘
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
    //方式1，结束textField第一响应者身份
    [self.text resignFirstResponder];
    //收起键盘 方式2结束父视图编辑
//    [self.view endEditing:YES];
}
//点中键盘右下角下面的Return或者Go，收起键盘
- (IBAction)closeKeyBoard:(id)sender {
    NSLog(@"closeKeyBoard……");
    //不用写任何代码，键盘会自动收起
    //[self.view endEditing:YES];
}


- (IBAction)getContent:(id)sender {
    //方式1，结束textField第一响应者身份
    [self.text resignFirstResponder];
    //点击button，收起键盘 方式2结束父视图编辑
    //[self.view endEditing:YES];
    self.label.text= self.text.text;
    
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view from its nib.
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end