{"id":39367,"date":"2023-04-07T08:01:58","date_gmt":"2023-09-13T20:33:08","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%90%86%e8%a7%a3angulardart%e7%9a%84%e6%9e%b6%e6%9e%84%e6%a6%82%e8%a6%81%e2%80%bb%e4%bb%8d%e5%9c%a8%e6%92%b0%e5%86%99%e4%b8%ad\/"},"modified":"2024-04-29T22:19:32","modified_gmt":"2024-04-29T14:19:32","slug":"%e7%90%86%e8%a7%a3angulardart%e7%9a%84%e6%9e%b6%e6%9e%84%e6%a6%82%e8%a6%81%e2%80%bb%e4%bb%8d%e5%9c%a8%e6%92%b0%e5%86%99%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%90%86%e8%a7%a3angulardart%e7%9a%84%e6%9e%b6%e6%9e%84%e6%a6%82%e8%a6%81%e2%80%bb%e4%bb%8d%e5%9c%a8%e6%92%b0%e5%86%99%e4%b8%ad\/","title":{"rendered":"\u7406\u89e3AngularDart\u7684\u67b6\u6784\u6982\u8981\u203b\u4ecd\u5728\u64b0\u5199\u4e2d"},"content":{"rendered":"<p>\u4e3a\u4e86\u7406\u89e3AngularDart\u5b98\u65b9\u6587\u6863\u4e2d\u7684&#8221;\u67b6\u6784\u6982\u8ff0&#8221;\uff0c\u6211\u505a\u4e86\u4e00\u4e2a\u603b\u7ed3\u3002<\/p>\n<blockquote><p>\u516c\u5f0f\u6587\u4ef6\uff1ahttps:\/\/angulardart.dev\/guide\/architecture<\/p><\/blockquote>\n<p>\u4ee5\u4e0b\u662f\u516c\u5f0f\u6587\u6863\u4e2d\u63d0\u4f9b\u7684\u67b6\u6784\u56fe\u89e3\uff0c\u8bf7\u9010\u4e00\u6574\u7406\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3a4e37434c4406c7d590\/3-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u4e0a\u8ff0\u6784\u6210\u56fe\u7684\u6784\u6210\u8981\u7d20\u5305\u62ec\u4ee5\u4e0b8\u4e2a\u90e8\u5206\uff1a<br \/>\n&#8211; \u6a21\u5757 (Modules)<br \/>\n&#8211; \u7ec4\u4ef6 (Components)<br \/>\n&#8211; \u6a21\u677f (Templates)<br \/>\n&#8211; \u5143\u6570\u636e (Metadata)<br \/>\n&#8211; \u6570\u636e\u7ed1\u5b9a (Data binding)<br \/>\n&#8211; \u6307\u4ee4 (Directives)<br \/>\n&#8211; \u670d\u52a1 (Services)<br \/>\n&#8211; \u4f9d\u8d56\u6ce8\u5165 (Dependency injection)<\/p>\n<h2>\u6a21\u5757<\/h2>\n<p>\u6a21\u5757\u662f\u6307Dart\u7684\u7f16\u8bd1\u5355\u5143\uff0c\u5982\u5e93\u548c\u5305\u3002<\/p>\n<blockquote><p>\u7f16\u8bd1\u5355\u5143\u662f\u6307\u4e0d\u5177\u5907Dart\u6587\u4ef6\u4e2d\u7684library\u548cpart directive\u7684Dart\u6587\u4ef6\u3002<br \/>\n\u53e6\u5916\uff0cpart directive \u662f\u6307\u80fd\u5c06library\u5206\u5272\u6210\u591a\u4e2a\u6587\u4ef6\u7684\u6307\u4ee4\u3002<br \/>\n\u53c2\u8003\uff1ahttps:\/\/dart.dev\/guides\/libraries\/create-library-packages<\/p><\/blockquote>\n<p>Angular\u5e94\u7528\u7a0b\u5e8f\u81f3\u5c11\u6709\u4e00\u4e2a\u6a21\u5757\u548c\u4e00\u4e2a\u6839\u6a21\u5757\u3002<br \/>\n\u6a21\u5757\u53ef\u4ee5\u662f\u529f\u80fd\u6a21\u5757\uff0c\u4e5f\u53ef\u4ee5\u662f\u5904\u7406\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u9886\u57df\u7684\u4ee3\u7801\u5757\u6216\u5de5\u4f5c\u6d41\u3002<br \/>\n\u6700\u7b80\u5355\u7684\u6839\u6a21\u5757\u793a\u4f8b\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5355\u4e00\u7684\u6839\u7ec4\u4ef6\u7c7b\uff0c\u5982\u4e0b\u6240\u793a\u3002<br \/>\n\u53e6\u5916\uff0c\u6839\u7ec4\u4ef6\u7684\u547d\u540d\u901a\u5e38\u662fAppComponent\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">AppComponent<\/span> <span class=\"o\">{}<\/span>\r\n<\/code><\/pre>\n<h2>\u7ec4\u4ef6<\/h2>\n<p>\u7ec4\u4ef6\u662f\u652f\u6301\u89c6\u56fe\u7684\u5e94\u7528\u903b\u8f91\u3002\u5e76\u4e14\u7ec4\u4ef6\u7c7b\u901a\u8fc7\u5b9a\u4e49\u7c7b\u6765\u652f\u6301\u903b\u8f91\u3002\u5728@lacolaco\u7684\u6587\u7ae0\u4e2d\uff0c\u7ec4\u4ef6\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n<blockquote><p>AngularDart\u4e2d\u7684Component\u662f\u4e00\u79cd\u201c\u8f7b\u91cf\u7ea7\u201d\uff0c\u201c\u53ef\u91cd\u7528\u201d\uff0c\u201c\u4e13\u6ce8\u4e8e\u5355\u4e00\u76ee\u7684\u201d\u7684UI\u5143\u7d20\u3002<br \/>\n\u53c2\u8003\uff1aAngularDart\u5165\u95e8 \u7b2c3\u56de Angular Components<\/p><\/blockquote>\n<p>\u5728\u7ec4\u4ef6\u7c7b\u4e2d\uff0c\u901a\u8fc7\u5c5e\u6027\uff08\u6210\u5458\u53d8\u91cf\uff09\u548c\u65b9\u6cd5\u7684API\u6765\u4e0e\u89c6\u56fe\u8fdb\u884c\u4ea4\u4e92\u3002\u4ee5\u4e0b\u662f\u5b98\u65b9\u6587\u6863\u4e2d\u7684\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">HeroListComponent<\/span> <span class=\"kd\">implements<\/span> <span class=\"n\">OnInit<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"n\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">Hero<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">heroes<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"n\">Hero<\/span> <span class=\"n\">selectedHero<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"kd\">final<\/span> <span class=\"n\">HeroService<\/span> <span class=\"n\">_heroService<\/span><span class=\"o\">;<\/span>\r\n\r\n  <span class=\"n\">HeroListComponent<\/span><span class=\"o\">(<\/span><span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">_heroService<\/span><span class=\"o\">);<\/span>\r\n\r\n  <span class=\"kt\">void<\/span> <span class=\"n\">ngOnInit<\/span><span class=\"o\">()<\/span> <span class=\"n\">async<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"n\">heroes<\/span> <span class=\"o\">=<\/span> <span class=\"n\">await<\/span> <span class=\"n\">_heroService<\/span><span class=\"o\">.<\/span><span class=\"na\">getAll<\/span><span class=\"o\">();<\/span>\r\n  <span class=\"o\">}<\/span>\r\n\r\n  <span class=\"kt\">void<\/span> <span class=\"n\">selectHero<\/span><span class=\"o\">(<\/span><span class=\"n\">Hero<\/span> <span class=\"n\">hero<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"n\">selectedHero<\/span> <span class=\"o\">=<\/span> <span class=\"n\">hero<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u793a\u4f8b\u4ee3\u7801\u662f\u4ece\u5b98\u65b9\u6587\u6863\u7684\u6559\u7a0b\u4e2d\u63d0\u53d6\u51fa\u6765\u7684\uff0c\u4f46\u5b9e\u9645\u5b9e\u73b0\u7684\u5185\u5bb9\u5982\u4e0b\u6240\u8ff0\u3002<\/p>\n<p>\u30fbHeroListComponent\u901a\u8fc7\u670d\u52a1\u83b7\u53d6\u82f1\u96c4\u5217\u8868\u6765\u652f\u6301\u89c6\u56fe\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3aheroes\u5c5e\u6027\u5217\u8868\u8fdb\u884c\u4fdd\u5b58\u3002<br \/>\n\u30fbselectHero()\u5b9a\u4e49\u4e86\u5f53\u7528\u6237\u4ece\u5217\u8868\u4e2d\u9009\u62e9\u5e76\u70b9\u51fb\u82f1\u96c4\u65f6\uff0c\u5c06\u8bbe\u7f6eselectedHero\u5c5e\u6027\u3002<br \/>\n\u30fbngOnInit()\u662f\u4e00\u4e2a\u88ab\u79f0\u4e3a\u751f\u547d\u5468\u671f\u94a9\u5b50\u7684\u529f\u80fd\uff0c\u7528\u4e8e\u5728\u7528\u6237\u5728\u5e94\u7528\u5185\u5bfc\u822a\u65f6\u521b\u5efa\u3001\u66f4\u65b0\u548c\u9500\u6bc1\u7ec4\u4ef6\u3002<br \/>\nngOnInit()\u521d\u59cb\u5316\/\u6267\u884c\u5728\u8c03\u7528\u7ec4\u4ef6\u65f6\u5b9a\u4e49\u7684\u52a8\u4f5c\u3002<\/p>\n<blockquote><p>\u53c2\u8003\uff1a\u751f\u547d\u5468\u671f\u94a9\u5b50<\/p><\/blockquote>\n<h2>\u6a21\u677f<\/h2>\n<p>\u5b9a\u4e49\u89c6\u56fe\u7ec4\u4ef6\u7684\u89d2\u8272\u662f\u6a21\u677f\u3002<br \/>\n\u6a21\u677f\u7528HTML\u683c\u5f0f\u5b9a\u4e49\u4e86\u5982\u4f55\u8868\u8fbe\u7ec4\u4ef6\u3002<br \/>\n\u5728\u5b98\u65b9\u6559\u7a0b\u4e2d\u63d0\u4f9b\u7684\u4e0b\u9762\u6a21\u677f\u793a\u4f8b\u901a\u5e38\u662fHTML\u683c\u5f0f\uff0c\u4f46\u4e5f\u6709\u4e00\u4e9b\u4e0d\u540c\u4e4b\u5904\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;h2&gt;<\/span>Hero List<span class=\"nt\">&lt;\/h2&gt;<\/span>\r\n\r\n<span class=\"nt\">&lt;p&gt;&lt;i&gt;<\/span>Pick a hero from the list<span class=\"nt\">&lt;\/i&gt;&lt;\/p&gt;<\/span>\r\n<span class=\"nt\">&lt;ul&gt;<\/span>\r\n  <span class=\"nt\">&lt;li<\/span> <span class=\"na\">*ngFor=<\/span><span class=\"s\">\"let hero of heroes\"<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"selectHero(hero)\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    {{hero.name}}\r\n  <span class=\"nt\">&lt;\/li&gt;<\/span>\r\n<span class=\"nt\">&lt;\/ul&gt;<\/span>\r\n\r\n<span class=\"nt\">&lt;hero-detail<\/span> <span class=\"na\">*ngIf=<\/span><span class=\"s\">\"selectedHero != null\"<\/span> <span class=\"na\">[hero]=<\/span><span class=\"s\">\"selectedHero\"<\/span><span class=\"nt\">&gt;&lt;\/hero-detail&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u6a21\u677f\u4f7f\u7528\u5178\u578b\u7684\u7684HTML\u5143\u7d20\uff0c\u5982<\/p>\n<h2>\u548c<\/h2>\n<p>\u3002\u6b64\u5916\uff0c\u8fd8\u5305\u542b\u4f7f\u7528Angular\u6a21\u677f\u8bed\u6cd5\u7684\u4ee3\u7801\uff0c\u5982*ngFor\u3001{{hero.name}}\u3001(click)\u3001[hero]\u548c\u3002\u6a21\u677f\u7684\u6700\u540e\u4e00\u884c\u4e2d\u7684\u6807\u7b7e\u662f\u4e00\u4e2a\u81ea\u5b9a\u4e49\u5143\u7d20\uff0c\u4ee3\u8868\u4e00\u4e2a\u65b0\u7684\u7ec4\u4ef6HeroDetailComponent\u3002\u65b0\u7684\u7ec4\u4ef6\uff08\u4ee3\u7801\u672a\u663e\u793a\uff09\u4f1a\u663e\u793a\u7528\u6237\u4eceHeroListComponent\u663e\u793a\u7684\u5217\u8868\u4e2d\u9009\u62e9\u7684\u82f1\u96c4\u7684\u76f8\u5173\u5185\u5bb9\u3002HeroDetailComponent\u662fHeroListComponent\u7684\u5b50\u7c7b\u3002<\/p>\n<p>HeroDetailComponent\u662f\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u50cf\u4e0a\u9762\u7684\u4ee3\u7801\u4e00\u6837\uff0c\u5728\u76f8\u540c\u7684\u5e03\u5c40\u4e2d\u6df7\u5408\u4f7f\u7528\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u548c\u539f\u751fHTML\u3002<\/p>\n<p>\u5b50\u7c7b\u7684\u5c42\u6b21\u56fe\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3a4e37434c4406c7d590\/24-0.png\" alt=\"image.png\" \/><\/div>\n<h2>\u5143\u6570\u636e<\/h2>\n<p>\u5143\u6570\u636e\u5728Angular\u4e2d\u626e\u6f14\u7740\u4f20\u8fbe\u7c7b\u5904\u7406\u65b9\u5f0f\u7684\u89d2\u8272\u3002<br \/>\n\u901a\u8fc7\u67e5\u770bhero_list_component.dart\u4e2d\u7684HeroListComponent\u7c7b\u7684\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5b83\u53ea\u662f\u4e00\u4e2a\u7c7b\uff0c\u76f4\u5230\u544a\u8bc9Angular\u4e4b\u524d\u4e0d\u662f\u4e00\u4e2a\u7ec4\u4ef6\u3002<br \/>\n\u4e3a\u4e86\u544a\u8bc9Angular HeroListComponent\u662f\u4e00\u4e2a\u7ec4\u4ef6\uff0c\u6211\u4eec\u9700\u8981\u5728\u7c7b\u4e2d\u4f7f\u7528\u5143\u6570\u636e\u6765\u5b9a\u4e49\uff0c\u800c\u5728Dart\u4e2d\u53ef\u4ee5\u4f7f\u7528@Component\u6ce8\u91ca\u6765\u5b9a\u4e49\u5143\u6570\u636e\u3002<\/p>\n<p>\u5728\u4e0b\u9762\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86HeroListComponent\u7684\u5143\u6570\u636e\u3002<br \/>\n\u4f7f\u7528@Component\u6ce8\u89e3\u5c06HeroListComponent\u7c7b\u6807\u8bc6\u4e3a\u7ec4\u4ef6\u7c7b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Component<\/span><span class=\"o\">(<\/span>\r\n  <span class=\"nl\">selector:<\/span> <span class=\"s\">'hero-list'<\/span><span class=\"o\">,<\/span>\r\n  <span class=\"nl\">templateUrl:<\/span> <span class=\"s\">'hero_list_component.html'<\/span><span class=\"o\">,<\/span>\r\n  <span class=\"nl\">directives:<\/span> <span class=\"o\">[<\/span><span class=\"n\">coreDirectives<\/span><span class=\"o\">,<\/span> <span class=\"n\">formDirectives<\/span><span class=\"o\">,<\/span> <span class=\"n\">HeroDetailComponent<\/span><span class=\"o\">],<\/span>\r\n  <span class=\"nl\">providers:<\/span> <span class=\"o\">[<\/span><span class=\"n\">ClassProvider<\/span><span class=\"o\">(<\/span><span class=\"n\">HeroService<\/span><span class=\"o\">)],<\/span>\r\n<span class=\"o\">)<\/span>\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">HeroListComponent<\/span> <span class=\"kd\">implements<\/span> <span class=\"n\">OnInit<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"c1\">\/\/ \u00b7\u00b7\u00b7<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c@Component\u6ce8\u89e3\u63a5\u53d7\u63d0\u4f9bAngular\u521b\u5efa\u5e76\u663e\u793a\u7ec4\u4ef6\u53ca\u5176\u89c6\u56fe\u6240\u9700\u4fe1\u606f\u7684\u53c2\u6570\u3002\u6211\u4eec\u5c06\u5728\u4e0b\u9762\u89e3\u91ca\u6240\u5b9a\u4e49\u7684\u5143\u6570\u636e\u53c2\u6570\u3002<\/p>\n<h3>\u9009\u62e9\u5668<\/h3>\n<p>\u8fd9\u4e2a\u53c2\u6570\u662f\u7528\u6765\u5728CSS\u9009\u62e9\u5668\u4e2d\uff0c\u544a\u8bc9Angular\u5728\u7236HTML\u4e2d\u6307\u5b9a\u7684\u6807\u7b7e\u4e0a\u521b\u5efa\u5e76\u63d2\u5165\u8be5\u7ec4\u4ef6\u7684\u5b9e\u4f8b\u3002<br 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