{"id":588,"date":"2023-02-25T19:51:34","date_gmt":"2023-02-25T11:51:34","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=588"},"modified":"2023-04-29T20:30:16","modified_gmt":"2023-04-29T12:30:16","slug":"swift-ui-date-selection-control-uidatepicker","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/25\/swift-ui-date-selection-control-uidatepicker\/","title":{"rendered":"Swift UI &#8211; \u65e5\u671f\u9009\u62e9\u63a7\u4ef6\uff08UIDatePicker\uff09"},"content":{"rendered":"<blockquote>\n<p>\u6ce8\uff1a\u4ee3\u7801\u5df2\u5347\u7ea7\u81f3Swift4<\/p>\n<\/blockquote>\n<h3>\u4f7f\u7528Storyboard\u521b\u5efa\u65e5\u671f\u9009\u62e9\u63a7\u4ef6<\/h3>\n<p>\u9996\u5148\u6211\u4eec\u5c06\u4e00\u4e2a UIDatePicker \u63a7\u4ef6\u548c\u4e00\u4e2a\u6309\u94ae\u76f4\u63a5\u6dfb\u52a0\u5230 Main.Storyboard \u4e0a\u3002\u8be5\u6309\u94ae\u662f\u4e3a\u4e86\u70b9\u51fb\u65f6\u5f39\u51fa\u63d0\u793a\u6846\u663e\u793a\u5f53\u524d\u9009\u62e9\u7684\u65e5\u671f\u548c\u65f6\u95f4\u3002<br \/>\n\u540c\u65f6\u5728 ViewController.swift \u4e2d\u4f7f\u7528 IBOutlet \u5efa\u7acb\u8d77\u63a7\u4ef6\u548c\u4e8b\u4ef6\u7684\u5173\u8054\uff0c\u5177\u4f53\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<p><!-- more --><\/p>\n<pre><code class=\"language-swift\">import UIKit\n\nclass ViewController: UIViewController {\n\n    @IBOutlet var dpicker:UIDatePicker!\n    @IBOutlet var btnshow:UIButton!\n\n    override func viewDidLoad() {\n        super.viewDidLoad()\n    }\n\n    @IBAction func showClicked(_ sender:UIButton) {\n        let date = dpicker.date\n\n        \/\/ \u521b\u5efa\u4e00\u4e2a\u65e5\u671f\u683c\u5f0f\u5668\n        let dformatter = DateFormatter()\n        \/\/ \u4e3a\u65e5\u671f\u683c\u5f0f\u5668\u8bbe\u7f6e\u683c\u5f0f\u5b57\u7b26\u4e32\n        dformatter.dateFormat = &quot;yyyy\u5e74MM\u6708dd\u65e5 HH:mm:ss&quot;\n        \/\/ \u4f7f\u7528\u65e5\u671f\u683c\u5f0f\u5668\u683c\u5f0f\u5316\u65e5\u671f\u3001\u65f6\u95f4\n        let datestr = dformatter.string(from: date)\n\n        let message =  &quot;\u60a8\u9009\u62e9\u7684\u65e5\u671f\u548c\u65f6\u95f4\u662f\uff1a\\(datestr)&quot;\n\n        \/\/ \u521b\u5efa\u4e00\u4e2aUIAlertController\u5bf9\u8c61\uff08\u6d88\u606f\u6846\uff09\uff0c\u5e76\u901a\u8fc7\u8be5\u6d88\u606f\u6846\u663e\u793a\u7528\u6237\u9009\u62e9\u7684\u65e5\u671f\u3001\u65f6\u95f4\n        let alertController = UIAlertController(title: &quot;\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4&quot;,\n                                                message: message,\n                                                preferredStyle: .alert)\n        let cancelAction = UIAlertAction(title: &quot;\u786e\u5b9a&quot;, style: .cancel, handler: nil)\n        alertController.addAction(cancelAction)\n        self.present(alertController, animated: true, completion: nil)\n    }\n}<\/code><\/pre>\n<h3>\u7eaf\u4ee3\u7801\u521b\u5efa\u65e5\u671f\u9009\u62e9\u63a7\u4ef6<\/h3>\n<pre><code class=\"language-swift\">import UIKit\n\nclass ViewController: UIViewController {\n\n    override func viewDidLoad() {\n        super.viewDidLoad()\n\n        \/\/\u521b\u5efa\u65e5\u671f\u9009\u62e9\u5668\n        let datePicker = UIDatePicker(frame: CGRect(x:0, y:0, width:320, height:216))\n        \/\/\u5c06\u65e5\u671f\u9009\u62e9\u5668\u533a\u57df\u8bbe\u7f6e\u4e3a\u4e2d\u6587\uff0c\u5219\u9009\u62e9\u5668\u65e5\u671f\u663e\u793a\u4e3a\u4e2d\u6587\n        datePicker.locale = Locale(identifier: &quot;zh_CN&quot;)\n        \/\/\u6ce8\u610f\uff1aaction\u91cc\u9762\u7684\u65b9\u6cd5\u540d\u540e\u9762\u9700\u8981\u52a0\u4e2a\u5192\u53f7\u201c\uff1a\u201d\n        datePicker.addTarget(self, action: #selector(dateChanged),\n                            for: .valueChanged)\n        self.view.addSubview(datePicker)\n    }\n\n    \/\/\u65e5\u671f\u9009\u62e9\u5668\u54cd\u5e94\u65b9\u6cd5\n    func dateChanged(datePicker : UIDatePicker){\n        \/\/\u66f4\u65b0\u63d0\u9192\u65f6\u95f4\u6587\u672c\u6846\n        let formatter = DateFormatter()\n        \/\/\u65e5\u671f\u6837\u5f0f\n        formatter.dateFormat = &quot;yyyy\u5e74MM\u6708dd\u65e5 HH:mm:ss&quot;\n        print(formatter.string(from: datePicker.date))\n    }\n\n    override func didReceiveMemoryWarning() {\n        super.didReceiveMemoryWarning()\n    }\n}<\/code><\/pre>\n<h3>\u65e5\u671f\u9009\u62e9\u63a7\u4ef6\u6587\u5b57\u6539\u6210\u4e2d\u6587<\/h3>\n<p>\u9ed8\u8ba4\u65e5\u671f\u9009\u62e9\u63a7\u4ef6\u4e2d\u7684\u6587\u5b57\u662f\u82f1\u6587\uff0c\u5982\u679c\u60f3\u663e\u793a\u4e2d\u6587\uff0c\u5219\u9700\u8981\u5c06\u65e5\u671f\u9009\u62e9\u63a7\u4ef6\u7684\u533a\u57df\u505a\u5982\u4e0b\u8bbe\u7f6e<\/p>\n<pre><code class=\"language-swift\">\/\/\u5c06\u65e5\u671f\u9009\u62e9\u5668\u533a\u57df\u8bbe\u7f6e\u4e3a\u4e2d\u6587\uff0c\u5219\u9009\u62e9\u5668\u65e5\u671f\u663e\u793a\u4e3a\u4e2d\u6587\ndatePicker.locale = Locale(identifier: &quot;zh_CN&quot;)<\/code><\/pre>\n<h3>\u6539\u53d8\u63a7\u4ef6\u65f6\u95f4\u9009\u62e9\u6a21\u5f0f<\/h3>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u65e5\u671f\u9009\u62e9\u63a7\u4ef6\u91cc\u9762\u9009\u9879\u65e2\u6709\u65e5\u671f\uff0c\u53c8\u6709\u65f6\u95f4\u3002\u6211\u4eec\u53ef\u4ee5\u4fee\u6539\u9009\u62e9\u6a21\u5f0f\uff0c\u8ba9\u5b83\u53ea\u6709\u5176\u4e2d\u4e00\u79cd\u3002<\/p>\n<p>\uff081\uff09\u53ea\u6709\u65e5\u671f\u9009\u62e9<\/p>\n<pre><code class=\"language-swift\">datePicker.datePickerMode = .date<\/code><\/pre>\n<p>\uff082\uff09\u53ea\u6709\u65f6\u95f4\u9009\u62e9<\/p>\n<pre><code class=\"language-swift\">datePicker.datePickerMode = .time<\/code><\/pre>\n<h3>\u4fee\u6539\u6587\u5b57\u989c\u8272<\/h3>\n<p>UIDatePicker \u9ed8\u8ba4\u7684\u6587\u5b57\u989c\u8272\u662f\u9ed1\u8272\uff0c\u4f46\u5982\u679c\u6211\u4eec\u4f7f\u7528\u7684\u662f\u6df1\u8272\u80cc\u666f\u7684\u8bdd\uff08\u6bd4\u5982\uff09\u4f1a\u96be\u4ee5\u8fa8\u8ba4\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7 setValue \u6765\u4fee\u6539\u6587\u5b57\u989c\u8272\u3002<\/p>\n<pre><code class=\"language-swift\">datePicker.setValue(UIColor.white, forKey: &quot;textColor&quot;)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6ce8\uff1a\u4ee3\u7801\u5df2\u5347\u7ea7\u81f3Swift4 \u4f7f\u7528Storyboard\u521b\u5efa\u65e5\u671f\u9009\u62e9\u63a7\u4ef6 \u9996\u5148\u6211\u4eec\u5c06\u4e00\u4e2a UIDatePicke [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[171],"tags":[],"class_list":["post-588","post","type-post","status-publish","format-standard","hentry","category-swift"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=588"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/588\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}