{"id":364675,"date":"2024-05-21T02:21:55","date_gmt":"2024-05-21T02:21:55","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=364675"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=364675","title":{"rendered":"<span>\u041f\u0430\u0442\u0435\u0440\u043d \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0424\u0430\u0441\u0430\u0434 \u0432 Dart\/Flutter<\/span>"},"content":{"rendered":"<div><!--[--><!--]--><\/div>\n<div id=\"post-content-body\">\n<div>\n<div class=\"article-formatted-body article-formatted-body article-formatted-body_version-2\">\n<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\">\n<p>\u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u0432 \u0432\u0438\u043a\u0438\u043f\u0435\u0434\u0438\u0438 <\/p>\n<blockquote>\n<p><strong>\u0428\u0430\u0431\u043b\u043e\u043d \u0444\u0430\u0441\u0430\u0434<\/strong>\u00a0(<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%90%D0%BD%D0%B3%D0%BB%D0%B8%D0%B9%D1%81%D0%BA%D0%B8%D0%B9_%D1%8F%D0%B7%D1%8B%D0%BA\" rel=\"noopener noreferrer nofollow\">\u0430\u043d\u0433\u043b.<\/a>\u00a0<em>Facade<\/em>)\u00a0\u2014\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A1%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D0%BD%D1%8B%D0%B5_%D1%88%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD%D1%8B_%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F\" rel=\"noopener noreferrer nofollow\">\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u043d\u044b\u0439<\/a>\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A8%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD_%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F\" rel=\"noopener noreferrer nofollow\">\u0448\u0430\u0431\u043b\u043e\u043d \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f<\/a>, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u043a\u0440\u044b\u0442\u044c \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u0443\u0442\u0451\u043c \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0432\u0441\u0435\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0445 \u0432\u043d\u0435\u0448\u043d\u0438\u0445 \u0432\u044b\u0437\u043e\u0432\u043e\u0432 \u043a \u043e\u0434\u043d\u043e\u043c\u0443\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9E%D0%B1%D1%8A%D0%B5%D0%BA%D1%82_(%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5)\" rel=\"noopener noreferrer nofollow\">\u043e\u0431\u044a\u0435\u043a\u0442\u0443<\/a>, \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u0443\u044e\u0449\u0435\u043c\u0443 \u0438\u0445 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u044a\u0435\u043a\u0442\u0430\u043c \u0441\u0438\u0441\u0442\u0435\u043c\u044b.<\/p>\n<\/blockquote>\n<figure class=\"\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/d8d\/a35\/3fe\/d8da353fed6a25adc07cf766f883ee78.png\" alt=\"\u0428\u0430\u0431\u043b\u043e\u043d \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f - \u0424\u0430\u0441\u0430\u0434\" title=\"\u0428\u0430\u0431\u043b\u043e\u043d \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f - \u0424\u0430\u0441\u0430\u0434\" width=\"291\" height=\"379\" data-src=\"https:\/\/habrastorage.org\/getpro\/habr\/upload_files\/d8d\/a35\/3fe\/d8da353fed6a25adc07cf766f883ee78.png\"\/><\/p>\n<div><figcaption>\u0428\u0430\u0431\u043b\u043e\u043d \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f &#8212; \u0424\u0430\u0441\u0430\u0434<\/figcaption><\/div>\n<\/figure>\n<p><strong>\u00ab\u041f\u0440\u0438\u0451\u043c\u044b \u043e\u0431\u044a\u0435\u043a\u0442\u043d\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u041f\u0430\u0301\u0442\u0442\u0435\u0440\u043d\u044b \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f\u00bb<\/strong>\u00a0(<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%90%D0%BD%D0%B3%D0%BB%D0%B8%D0%B9%D1%81%D0%BA%D0%B8%D0%B9_%D1%8F%D0%B7%D1%8B%D0%BA\" rel=\"noopener noreferrer nofollow\">\u0430\u043d\u0433\u043b.<\/a>\u00a0<em>Design Patterns: Elements of Reusable Object-Oriented Software<\/em>)\u00a0\u2014 \u043a\u043d\u0438\u0433\u0430 1994 \u0433\u043e\u0434\u0430 \u043e\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9F%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%BD%D0%B0%D1%8F_%D0%B8%D0%BD%D0%B6%D0%B5%D0%BD%D0%B5%D1%80%D0%B8%D1%8F\" rel=\"noopener noreferrer nofollow\">\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0439 \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u0438\u0438<\/a>, \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0449\u0430\u044f\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A8%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD_%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F\" rel=\"noopener noreferrer nofollow\">\u0448\u0430\u0431\u043b\u043e\u043d\u044b \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f<\/a>\u00a0\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f. \u0410\u0432\u0442\u043e\u0440\u0430\u043c\u0438 \u043a\u043d\u0438\u0433\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0440\u043e\u0437\u0432\u0430\u043b\u0438 \u00ab\u0411\u0430\u043d\u0434\u043e\u0439 \u0447\u0435\u0442\u044b\u0440\u0451\u0445\u00bb, \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%93%D0%B0%D0%BC%D0%BC%D0%B0,_%D0%AD%D1%80%D0%B8%D1%85\" rel=\"noopener noreferrer nofollow\">\u042d\u0440\u0438\u0445 \u0413\u0430\u043c\u043c\u0430<\/a>,\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A0%D0%B8%D1%87%D0%B0%D1%80%D0%B4_%D0%A5%D0%B5%D0%BB%D0%BC\" rel=\"noopener noreferrer nofollow\">\u0420\u0438\u0447\u0430\u0440\u0434 \u0425\u0435\u043b\u043c<\/a>,\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Ralph_Johnson_(computer_scientist)\" rel=\"noopener noreferrer nofollow\">\u0420\u0430\u043b\u044c\u0444 \u0414\u0436\u043e\u043d\u0441\u043e\u043d<\/a>\u00a0\u00a0(\u0430\u043d\u0433\u043b.)<a href=\"https:\/\/ru.wikipedia.org\/w\/index.php?title=%D0%94%D0%B6%D0%BE%D0%BD%D1%81%D0%BE%D0%BD,_%D0%A0%D0%B0%D0%BB%D1%8C%D1%84_(%D1%83%D1%87%D1%91%D0%BD%D1%8B%D0%B9)&amp;action=edit&amp;redlink=1\" rel=\"noopener noreferrer nofollow\">\u0440\u0443\u0441.<\/a>,\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%92%D0%BB%D0%B8%D1%81%D0%B8%D0%B4%D0%B8%D1%81,_%D0%94%D0%B6%D0%BE%D0%BD\" rel=\"noopener noreferrer nofollow\">\u0414\u0436\u043e\u043d \u0412\u043b\u0438\u0441\u0441\u0438\u0434\u0435\u0441<\/a>.\u00a0<\/p>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u0437\u043d\u0430\u0435\u043c \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u0442\u0442\u0435\u0440\u043d\u0430 \u0424\u0430\u0441\u0430\u0434 \u0438 \u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u043c \u0435\u0433\u043e \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Dart.<\/p>\n<p>\u0421\u043e\u0437\u0434\u0430\u0451\u043c \u043a\u043b\u0430\u0441\u0441 \u0441 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0442\u043e\u0440\u043e\u043c \u0434\u043b\u044f \u043d\u0430\u0448\u0438\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, \u043d\u0430\u0437\u044b\u0432\u0430\u0442\u044c\u0441\u044f \u043e\u043d \u0431\u0443\u0434\u0435\u0442 Plane<\/p>\n<pre><code class=\"dart\">class Plane {   final String model;   final int numberOfPassangers;   final bool isCommerce;    const Plane({     required this.model,     required this.numberOfPassangers,     required this.isCommerce,   }); }<\/code><\/pre>\n<p>\u041f\u043e\u0442\u043e\u043c \u0441\u043e\u0437\u0434\u0430\u0451\u043c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0435 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u044b. \u0423 \u043d\u0430\u0441 \u0431\u0443\u0434\u0435\u0442 2 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 \u0438 \u043f\u043e 2 \u043c\u0435\u0442\u043e\u0434\u0430 \u0432 \u043a\u0430\u0436\u0434\u043e\u043c.<\/p>\n<pre><code class=\"dart\">interface class IGetPlane {   void getListPlane() {}   void saveToFile() {} }<\/code><\/pre>\n<pre><code class=\"dart\">interface class IExport {   void exportToExel() {}   void exportToWord() {} }<\/code><\/pre>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u0441\u043e\u0437\u0434\u0430\u0451\u043c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043d\u0430\u0448\u0438\u0445 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432. <\/p>\n<pre><code class=\"dart\">class ExportImpl implements IExport {   final Plane plane;   const ExportImpl({required this.plane});    @override   void exportToExel() {     print('\u042d\u043a\u0441\u043f\u043e\u0440\u0442 \u0432 \u042d\u043a\u0441\u0435\u043b\u044c ${plane.model}');   }    @override   void exportToWord() {     print('\u042d\u043a\u0441\u043f\u043e\u0440\u0442 \u0432 \u0412\u043e\u0440\u0434');   } }<\/code><\/pre>\n<p>\u041d\u0435 \u0431\u0443\u0434\u0435\u043c \u043d\u0430\u0433\u0440\u0443\u0436\u0430\u0442\u044c \u043a\u043e\u0434 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u043c\u0435\u0442\u043e\u0434\u0430\u043c\u0438, \u0430 \u043f\u0440\u043e\u0441\u0442\u043e \u0431\u0443\u0434\u0435\u043c \u0432\u044b\u0432\u043e\u0434\u0438\u0442\u044c \u0447\u0442\u043e-\u0442\u043e \u0432 \u043a\u043e\u043d\u0441\u043e\u043b\u044c.<\/p>\n<pre><code class=\"dart\">class GetPlaneImpl implements IGetPlane {   @override   void getListPlane() {     print('\u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0441\u043f\u0438\u0441\u043e\u043a \u0441\u0430\u043c\u043e\u043b\u0435\u0442\u043e\u0432');   }    @override   void saveToFile() {     print('\u0421\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0432 \u0444\u0430\u0439\u043b');   } }<\/code><\/pre>\n<p>\u0410 \u0442\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u0441\u043e\u0437\u0434\u0430\u0434\u0438\u043c \u043a\u043b\u0430\u0441\u0441 Facade, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u044b \u043f\u0440\u043e\u043a\u0438\u043d\u0435\u043c \u0434\u0430\u043d\u043d\u044b\u0435 \u0434\u043b\u044f \u043d\u0430\u0448\u0438\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0438 \u0441\u0434\u0435\u043b\u0430\u0435\u043c \u0438\u043d\u0441\u0442\u0430\u043d\u0441\u044b \u043d\u0430\u0448\u0438\u0445 \u043a\u043b\u0430\u0441\u0441\u043e\u0432 (ExportImpl \u0438 GetPlaneImpl) \u0438 \u0441\u0434\u0435\u043b\u0430\u0435\u043c \u0435\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434 run, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u0443\u0434\u0435\u0442 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u043c\u0435\u0442\u043e\u0434\u044b \u0432 \u043d\u0430\u0448\u0438\u0445 2\u0445 \u0434\u043e\u0447\u0435\u0440\u043d\u0438\u0445 \u043a\u043b\u0430\u0441\u0441\u0430\u0445.<\/p>\n<pre><code class=\"dart\">class Facade {   final Plane plane;   Facade(this.plane);    late ExportImpl export = ExportImpl(plane: plane);   final getPLANE = GetPlaneImpl();    void run() {     print(plane.model);     getPLANE.getListPlane();     export.exportToExel();   } }<\/code><\/pre>\n<p>\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0442\u0435\u043f\u0435\u0440\u044c \u043f\u0435\u0440\u0435\u0439\u0434\u0451\u043c \u0432 main. \u0421\u043e\u0437\u0434\u0430\u0451\u043c \u043d\u0430\u0448 \u0441\u0430\u043c\u043e\u043b\u0451\u0442 \u0441 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u043c\u0438. \u0414\u0435\u043b\u0430\u0435\u043c \u0438\u043d\u0441\u0442\u0430\u043d\u0441 \u043a\u043b\u0430\u0441\u0441\u0430 \u0424\u0430\u0441\u0430\u0434 \u0438 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u043c \u043c\u0435\u0442\u043e\u0434 run, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0438\u043b \u0432 \u0441\u0435\u0431\u0435 \u0432\u044b\u0437\u043e\u0432 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0438\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0434\u0440\u0443\u0433\u0438\u0445 \u043a\u043b\u0430\u0441\u0441\u043e\u0432.<\/p>\n<pre><code class=\"dart\">void main() {   Plane plane = const Plane(     model: 'Cesna 172',     numberOfPassangers: 4,     isCommerce: false,   );    Facade(plane).run(); }<\/code><\/pre>\n<p>\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u043c \u0438 \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0438\u043c, \u0447\u0442\u043e \u0438\u0437 \u044d\u0442\u043e\u0433\u043e \u0432\u044b\u0439\u0434\u0435\u0442!<\/p>\n<figure class=\"\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/1ea\/8ff\/205\/1ea8ff205499b95e6682cb94940f4bbf.png\" alt=\"\u0412\u044b\u0432\u043e\u0434 \u0432 \u043a\u043e\u043d\u0441\u043e\u043b\u044c\" title=\"\u0412\u044b\u0432\u043e\u0434 \u0432 \u043a\u043e\u043d\u0441\u043e\u043b\u044c\" width=\"510\" height=\"136\" data-src=\"https:\/\/habrastorage.org\/getpro\/habr\/upload_files\/1ea\/8ff\/205\/1ea8ff205499b95e6682cb94940f4bbf.png\"\/><\/p>\n<div><figcaption>\u0412\u044b\u0432\u043e\u0434 \u0432 \u043a\u043e\u043d\u0441\u043e\u043b\u044c<\/figcaption><\/div>\n<\/figure>\n<p>\u041d\u0443 \u0447\u0442\u043e \u0436\u0435 \u043f\u043e\u0437\u0434\u0440\u0430\u0432\u043b\u044f\u044e, \u0432\u0441\u0451 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442! \u0418\u0442\u0430\u043a, \u043c\u044b \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u044f\u0437\u044b\u043a\u0430 Dart \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u043b\u0438 \u043a\u0430\u043a \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u0430\u0442\u0442\u0435\u0440\u043d \u0424\u0430\u0441\u0430\u0434.<\/p>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><!----><!----><\/div>\n<p><!----><!----><br \/> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/articles\/784840\/\"> https:\/\/habr.com\/ru\/articles\/784840\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div><!--[--><!--]--><\/div>\n<div id=\"post-content-body\">\n<div>\n<div class=\"article-formatted-body article-formatted-body article-formatted-body_version-2\">\n<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\">\n<p>\u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u0432 \u0432\u0438\u043a\u0438\u043f\u0435\u0434\u0438\u0438 <\/p>\n<blockquote>\n<p><strong>\u0428\u0430\u0431\u043b\u043e\u043d \u0444\u0430\u0441\u0430\u0434<\/strong>\u00a0(<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%90%D0%BD%D0%B3%D0%BB%D0%B8%D0%B9%D1%81%D0%BA%D0%B8%D0%B9_%D1%8F%D0%B7%D1%8B%D0%BA\" rel=\"noopener noreferrer nofollow\">\u0430\u043d\u0433\u043b.<\/a>\u00a0<em>Facade<\/em>)\u00a0\u2014\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A1%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D0%BD%D1%8B%D0%B5_%D1%88%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD%D1%8B_%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F\" rel=\"noopener noreferrer nofollow\">\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u043d\u044b\u0439<\/a>\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A8%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD_%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F\" rel=\"noopener noreferrer nofollow\">\u0448\u0430\u0431\u043b\u043e\u043d \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f<\/a>, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u043a\u0440\u044b\u0442\u044c \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u0443\u0442\u0451\u043c \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0432\u0441\u0435\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0445 \u0432\u043d\u0435\u0448\u043d\u0438\u0445 \u0432\u044b\u0437\u043e\u0432\u043e\u0432 \u043a \u043e\u0434\u043d\u043e\u043c\u0443\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9E%D0%B1%D1%8A%D0%B5%D0%BA%D1%82_(%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5)\" rel=\"noopener noreferrer nofollow\">\u043e\u0431\u044a\u0435\u043a\u0442\u0443<\/a>, \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u0443\u044e\u0449\u0435\u043c\u0443 \u0438\u0445 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u044a\u0435\u043a\u0442\u0430\u043c \u0441\u0438\u0441\u0442\u0435\u043c\u044b.<\/p>\n<\/blockquote>\n<figure class=\"\">\n<div><figcaption>\u0428\u0430\u0431\u043b\u043e\u043d \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f &#8212; \u0424\u0430\u0441\u0430\u0434<\/figcaption><\/div>\n<\/figure>\n<p><strong>\u00ab\u041f\u0440\u0438\u0451\u043c\u044b \u043e\u0431\u044a\u0435\u043a\u0442\u043d\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u041f\u0430\u0301\u0442\u0442\u0435\u0440\u043d\u044b \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f\u00bb<\/strong>\u00a0(<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%90%D0%BD%D0%B3%D0%BB%D0%B8%D0%B9%D1%81%D0%BA%D0%B8%D0%B9_%D1%8F%D0%B7%D1%8B%D0%BA\" rel=\"noopener noreferrer nofollow\">\u0430\u043d\u0433\u043b.<\/a>\u00a0<em>Design Patterns: Elements of Reusable Object-Oriented Software<\/em>)\u00a0\u2014 \u043a\u043d\u0438\u0433\u0430 1994 \u0433\u043e\u0434\u0430 \u043e\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9F%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%BD%D0%B0%D1%8F_%D0%B8%D0%BD%D0%B6%D0%B5%D0%BD%D0%B5%D1%80%D0%B8%D1%8F\" rel=\"noopener noreferrer nofollow\">\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0439 \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u0438\u0438<\/a>, \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0449\u0430\u044f\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A8%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD_%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F\" rel=\"noopener noreferrer nofollow\">\u0448\u0430\u0431\u043b\u043e\u043d\u044b \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f<\/a>\u00a0\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f. \u0410\u0432\u0442\u043e\u0440\u0430\u043c\u0438 \u043a\u043d\u0438\u0433\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0440\u043e\u0437\u0432\u0430\u043b\u0438 \u00ab\u0411\u0430\u043d\u0434\u043e\u0439 \u0447\u0435\u0442\u044b\u0440\u0451\u0445\u00bb, \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%93%D0%B0%D0%BC%D0%BC%D0%B0,_%D0%AD%D1%80%D0%B8%D1%85\" rel=\"noopener noreferrer nofollow\">\u042d\u0440\u0438\u0445 \u0413\u0430\u043c\u043c\u0430<\/a>,\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A0%D0%B8%D1%87%D0%B0%D1%80%D0%B4_%D0%A5%D0%B5%D0%BB%D0%BC\" rel=\"noopener noreferrer nofollow\">\u0420\u0438\u0447\u0430\u0440\u0434 \u0425\u0435\u043b\u043c<\/a>,\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Ralph_Johnson_(computer_scientist)\" rel=\"noopener noreferrer nofollow\">\u0420\u0430\u043b\u044c\u0444 \u0414\u0436\u043e\u043d\u0441\u043e\u043d<\/a>\u00a0\u00a0(\u0430\u043d\u0433\u043b.)<a href=\"https:\/\/ru.wikipedia.org\/w\/index.php?title=%D0%94%D0%B6%D0%BE%D0%BD%D1%81%D0%BE%D0%BD,_%D0%A0%D0%B0%D0%BB%D1%8C%D1%84_(%D1%83%D1%87%D1%91%D0%BD%D1%8B%D0%B9)&amp;action=edit&amp;redlink=1\" rel=\"noopener noreferrer nofollow\">\u0440\u0443\u0441.<\/a>,\u00a0<a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%92%D0%BB%D0%B8%D1%81%D0%B8%D0%B4%D0%B8%D1%81,_%D0%94%D0%B6%D0%BE%D0%BD\" rel=\"noopener noreferrer nofollow\">\u0414\u0436\u043e\u043d \u0412\u043b\u0438\u0441\u0441\u0438\u0434\u0435\u0441<\/a>.\u00a0<\/p>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u0437\u043d\u0430\u0435\u043c \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u0442\u0442\u0435\u0440\u043d\u0430 \u0424\u0430\u0441\u0430\u0434 \u0438 \u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u043c \u0435\u0433\u043e \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Dart.<\/p>\n<p>\u0421\u043e\u0437\u0434\u0430\u0451\u043c \u043a\u043b\u0430\u0441\u0441 \u0441 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0442\u043e\u0440\u043e\u043c \u0434\u043b\u044f \u043d\u0430\u0448\u0438\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, \u043d\u0430\u0437\u044b\u0432\u0430\u0442\u044c\u0441\u044f \u043e\u043d \u0431\u0443\u0434\u0435\u0442 Plane<\/p>\n<pre><code class=\"dart\">class Plane {   final String model;   final int numberOfPassangers;   final bool isCommerce;    const Plane({     required this.model,     required this.numberOfPassangers,     required this.isCommerce,   }); }<\/code><\/pre>\n<p>\u041f\u043e\u0442\u043e\u043c \u0441\u043e\u0437\u0434\u0430\u0451\u043c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0435 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u044b. \u0423 \u043d\u0430\u0441 \u0431\u0443\u0434\u0435\u0442 2 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 \u0438 \u043f\u043e 2 \u043c\u0435\u0442\u043e\u0434\u0430 \u0432 \u043a\u0430\u0436\u0434\u043e\u043c.<\/p>\n<pre><code class=\"dart\">interface class IGetPlane {   void getListPlane() {}   void saveToFile() {} }<\/code><\/pre>\n<pre><code class=\"dart\">interface class IExport {   void exportToExel() {}   void exportToWord() {} }<\/code><\/pre>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u0441\u043e\u0437\u0434\u0430\u0451\u043c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043d\u0430\u0448\u0438\u0445 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432. <\/p>\n<pre><code class=\"dart\">class ExportImpl implements IExport {   final Plane plane;   const ExportImpl({required this.plane});    @override   void exportToExel() {     print('\u042d\u043a\u0441\u043f\u043e\u0440\u0442 \u0432 \u042d\u043a\u0441\u0435\u043b\u044c ${plane.model}');   }    @override   void exportToWord() {     print('\u042d\u043a\u0441\u043f\u043e\u0440\u0442 \u0432 \u0412\u043e\u0440\u0434');   } }<\/code><\/pre>\n<p>\u041d\u0435 \u0431\u0443\u0434\u0435\u043c \u043d\u0430\u0433\u0440\u0443\u0436\u0430\u0442\u044c \u043a\u043e\u0434 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u043c\u0435\u0442\u043e\u0434\u0430\u043c\u0438, \u0430 \u043f\u0440\u043e\u0441\u0442\u043e \u0431\u0443\u0434\u0435\u043c \u0432\u044b\u0432\u043e\u0434\u0438\u0442\u044c \u0447\u0442\u043e-\u0442\u043e \u0432 \u043a\u043e\u043d\u0441\u043e\u043b\u044c.<\/p>\n<pre><code class=\"dart\">class GetPlaneImpl implements IGetPlane {   @override   void getListPlane() {     print('\u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0441\u043f\u0438\u0441\u043e\u043a \u0441\u0430\u043c\u043e\u043b\u0435\u0442\u043e\u0432');   }    @override   void saveToFile() {     print('\u0421\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0432 \u0444\u0430\u0439\u043b');   } }<\/code><\/pre>\n<p>\u0410 \u0442\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u0441\u043e\u0437\u0434\u0430\u0434\u0438\u043c \u043a\u043b\u0430\u0441\u0441 Facade, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u044b \u043f\u0440\u043e\u043a\u0438\u043d\u0435\u043c \u0434\u0430\u043d\u043d\u044b\u0435 \u0434\u043b\u044f \u043d\u0430\u0448\u0438\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0438 \u0441\u0434\u0435\u043b\u0430\u0435\u043c \u0438\u043d\u0441\u0442\u0430\u043d\u0441\u044b \u043d\u0430\u0448\u0438\u0445 \u043a\u043b\u0430\u0441\u0441\u043e\u0432 (ExportImpl \u0438 GetPlaneImpl) \u0438 \u0441\u0434\u0435\u043b\u0430\u0435\u043c \u0435\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434 run, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u0443\u0434\u0435\u0442 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u043c\u0435\u0442\u043e\u0434\u044b \u0432 \u043d\u0430\u0448\u0438\u0445 2\u0445 \u0434\u043e\u0447\u0435\u0440\u043d\u0438\u0445 \u043a\u043b\u0430\u0441\u0441\u0430\u0445.<\/p>\n<pre><code class=\"dart\">class Facade {   final Plane plane;   Facade(this.plane);    late ExportImpl export = ExportImpl(plane: plane);   final getPLANE = GetPlaneImpl();    void run() {     print(plane.model);     getPLANE.getListPlane();     export.exportToExel();   } }<\/code><\/pre>\n<p>\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0442\u0435\u043f\u0435\u0440\u044c \u043f\u0435\u0440\u0435\u0439\u0434\u0451\u043c \u0432 main. \u0421\u043e\u0437\u0434\u0430\u0451\u043c \u043d\u0430\u0448 \u0441\u0430\u043c\u043e\u043b\u0451\u0442 \u0441 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u043c\u0438. \u0414\u0435\u043b\u0430\u0435\u043c \u0438\u043d\u0441\u0442\u0430\u043d\u0441 \u043a\u043b\u0430\u0441\u0441\u0430 \u0424\u0430\u0441\u0430\u0434 \u0438 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u043c \u043c\u0435\u0442\u043e\u0434 run, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0438\u043b \u0432 \u0441\u0435\u0431\u0435 \u0432\u044b\u0437\u043e\u0432 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0438\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0434\u0440\u0443\u0433\u0438\u0445 \u043a\u043b\u0430\u0441\u0441\u043e\u0432.<\/p>\n<pre><code class=\"dart\">void main() {   Plane plane = const Plane(     model: 'Cesna 172',     numberOfPassangers: 4,     isCommerce: false,   );    Facade(plane).run(); }<\/code><\/pre>\n<p>\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u043c \u0438 \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0438\u043c, \u0447\u0442\u043e \u0438\u0437 \u044d\u0442\u043e\u0433\u043e \u0432\u044b\u0439\u0434\u0435\u0442!<\/p>\n<figure class=\"\">\n<div><figcaption>\u0412\u044b\u0432\u043e\u0434 \u0432 \u043a\u043e\u043d\u0441\u043e\u043b\u044c<\/figcaption><\/div>\n<\/figure>\n<p>\u041d\u0443 \u0447\u0442\u043e \u0436\u0435 \u043f\u043e\u0437\u0434\u0440\u0430\u0432\u043b\u044f\u044e, \u0432\u0441\u0451 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442! \u0418\u0442\u0430\u043a, \u043c\u044b \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u044f\u0437\u044b\u043a\u0430 Dart \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u043b\u0438 \u043a\u0430\u043a \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u0430\u0442\u0442\u0435\u0440\u043d \u0424\u0430\u0441\u0430\u0434.<\/p>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><!----><!----><\/div>\n<p><!----><!----><br \/> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/articles\/784840\/\"> https:\/\/habr.com\/ru\/articles\/784840\/<\/a><br \/><\/br><\/br><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-364675","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/364675","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=364675"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/364675\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=364675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=364675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=364675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}