Swift 简单控件示例：搜索框UISearchBar

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//
//  ViewController.swift
//  UISearchBarSample
//
//  Created by jinnchang on 15/4/2.
//  copyright (c) 2015年 Jinn Chang. All rights reserved.
//

import UIKit

class ViewController: UIViewController,UISearchBarDelegate {
    
    var searchBar: UISearchBar!

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view,typically from a nib.
        
        searchBar = UISearchBar(frame: CGRectMake(0,20,self.view.frame.size.width,80))
        searchBar.placeholder = "search"
        searchBar.barStyle = .Default
        searchBar.showsBookmarkButton = true
        searchBar.showsCancelButton = true
        searchBar.delegate = self
        
        self.view.addSubview(searchBar)
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // dispose of any resources that can be recreated.
    }

    // 每次输入内容改变触发事件
    func searchBar(searchBar: UISearchBar,textDidChange searchText: String) {
        println("筛选内容：\(searchText)")
    }
    
    // 书签按钮触发事件
    func searchBarBookmarkButtonClicked(searchBar: UISearchBar) {
        println("搜索历史记录")
    }
    
    // 取消按钮触发事件
    func searchBarCancelButtonClicked(searchBar: UISearchBar) {
        println("取消搜索")
    }
    
    // 搜索触发事件
    func searchBarSearchButtonClicked(searchBar: UISearchBar) {
        println("开始搜索")
    }

}

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GitHub 上项目地址：UISearchBarSample
控件更多相关属性及方法参考：UISearchBar Class Reference 文章最后更新时间：2015年4月3日11:42:05

原文地址：https://www.jb51.cc/swift/327342.html