//

//  ViewController.m

//  UISearchBarDemo

//

//  Created by 思 彭 on 17/3/24.

//  Copyright © 2017年 思 彭. All rights reserved.

//

#import "ViewController.h"

@interface ViewController ()<UISearchBarDelegate>

@property (nonatomic, strong) UISearchBar *searchBar;/**<搜索框 */

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    self.title = @"UISearchBar";

    [self setupSearchBar];

    [self setSearchBar];

}

//添加搜索框

- (void)setupSearchBar {

    self.searchBar = [[UISearchBar alloc]init];

    self.searchBar.frame = CGRectMake(, , self.view.frame.size.width, );

    self.searchBar.delegate = self;

//    self.searchBar.searchBarStyle =UISearchBarStyleMinimal;

    self.searchBar.barTintColor = [UIColor colorWithRed:238.0/ green:238.0/ blue:238.0/ alpha:1.0];

    // 去除了分割线,需要设置背景颜色

    self.searchBar.backgroundColor = [UIColor colorWithRed:238.0/ green:238.0/ blue:238.0/ alpha:1.0];

    [self.searchBar setAutocapitalizationType:UITextAutocapitalizationTypeNone];

    self.searchBar.placeholder = @"搜索";

    [self.searchBar sizeToFit];

    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapClick:)];

    [self.navigationController.navigationBar addGestureRecognizer:tap];

    [self.view addSubview:self.searchBar];

}

// 去掉SearchBar上面两条线

- (void)setSearchBar {

    for (UIView *obj in [self.searchBar subviews]) {

        for (UIView *objs in [obj subviews]) {

            if ([objs isKindOfClass:NSClassFromString(@"UISearchBarBackground")]){

                [objs removeFromSuperview];

            }

        }

        if ([obj isKindOfClass:NSClassFromString(@"UISearchBarBackground")]){

            [obj removeFromSuperview];

        }

    }

}

 #pragma marl - UISearchBarDelegate

- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar {

     self.searchBar.showsCancelButton = YES;

     return YES;

}

- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar {

     self.searchBar.showsCancelButton = NO;

     searchBar.text = @"";

     [self.searchBar resignFirstResponder];

}

- (void)tapClick:(UITapGestureRecognizer *)tap {

     self.searchBar.showsCancelButton = NO;

     [self.searchBar resignFirstResponder];

}

 //点击搜索按钮

- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar {

     self.searchBar.showsCancelButton = NO;

     [searchBar resignFirstResponder];

}

@end