【代码笔记】iOS-点击搜索按钮，或放大镜后都会弹出搜索框

一， 效果图。

二，工程图。

三，代码。

RootViewController.h

#import <UIKit/UIKit.h>
#import "CLHSearchBar.h"
@interface RootViewController : UIViewController
<CLHSearchBarDelegate>

@end

RootViewController.m

#import "RootViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

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

    self.view.backgroundColor=[UIColor grayColor];

    //添加搜索栏
    CLHSearchBar* searchBar = [[CLHSearchBar alloc] initWithFrame:CGRectMake(0, 90, 0, 0) delegate:self];
    [self.view addSubview:searchBar];

}
#pragma  -mark -FCSearchBar delegate
//按照聊天内容和昵称进行查询
//点击搜索按钮，或放大镜后都会弹出搜索框
- (void)CLHSearchBarDidSearch:(CLHSearchBar *)clhSearchBar text:(NSString *)text
{
    NSLog(@"text = %@",text);

    UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"提醒" message:@"搜索按钮已点击" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];
    [alert show];

}

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