{"id":1673,"date":"2024-03-21T17:00:24","date_gmt":"2024-03-21T09:00:24","guid":{"rendered":"https:\/\/fireinsect.top\/?p=1673"},"modified":"2024-03-25T09:52:19","modified_gmt":"2024-03-25T01:52:19","slug":"harmonyos%e5%bc%80%e5%8f%91%e5%ad%a6%e4%b9%a0%ef%bc%881%ef%bc%89-%e5%a4%9a%e9%a1%b5%e9%9d%a2%e5%bc%80%e5%8f%91","status":"publish","type":"post","link":"https:\/\/fireinsect.top\/index.php\/2024\/03\/21\/harmonyos%e5%bc%80%e5%8f%91%e5%ad%a6%e4%b9%a0%ef%bc%881%ef%bc%89-%e5%a4%9a%e9%a1%b5%e9%9d%a2%e5%bc%80%e5%8f%91\/","title":{"rendered":"HarmonyOS\u5f00\u53d1\u5b66\u4e60\uff082\uff09\u2013\u591a\u9875\u9762\u5f00\u53d1"},"content":{"rendered":"\n<p>UIAbility\u662f\u4e00\u79cd\u5305\u542b\u7528\u6237\u754c\u9762\u7684\u5e94\u7528\u7ec4\u4ef6\uff0c\u4e3b\u8981\u7528\u4e8e\u548c\u7528\u6237\u8fdb\u884c\u4ea4\u4e92\u3002UIAbility\u4e5f\u662f\u7cfb\u7edf\u8c03\u5ea6\u7684\u5355\u5143\uff0c\u4e3a\u5e94\u7528\u63d0\u4f9b\u7a97\u53e3\u5728\u5176\u4e2d\u7ed8\u5236\u754c\u9762\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>\u6bcf\u4e00\u4e2aUIAbility\u5b9e\u4f8b\uff0c\u90fd\u5bf9\u5e94\u4e8e\u4e00\u4e2a\u6700\u8fd1\u4efb\u52a1\u5217\u8868\u4e2d\u7684\u4efb\u52a1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/image-12.png?resize=1024%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-1674\" srcset=\"https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/image-12.png?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/image-12.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/image-12.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/image-12.png?resize=768%2C769&amp;ssl=1 768w, https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/image-12.png?w=1454&amp;ssl=1 1454w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><\/figure>\n\n\n\n<p>\u4e00\u4e2aUIAbility\u53ef\u4ee5\u5bf9\u5e94\u4e8e\u591a\u4e2a\u9875\u9762\uff0c\u5efa\u8bae\u5c06\u4e00\u4e2a\u72ec\u7acb\u7684\u529f\u80fd\u6a21\u5757\u653e\u5230\u4e00\u4e2aUIAbility\u4e2d\uff0c\u4ee5\u591a\u9875\u9762\u7684\u5f62\u5f0f\u5448\u73b0\u3002\u4f8b\u5982\u65b0\u95fb\u5e94\u7528\u5728\u6d4f\u89c8\u5185\u5bb9\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u8fdb\u884c\u591a\u9875\u9762\u7684\u8df3\u8f6c\u4f7f\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UIAbility\u5185\u9875\u9762\u7684\u8df3\u8f6c\u548c\u6570\u636e\u4f20\u9012<\/h2>\n\n\n\n<p>\u9875\u9762\u8df3\u8f6c\u7b49\u64cd\u4f5c\u90fd\u4f9d\u9760\u9875\u9762\u8def\u7531\u7ec4\u4ef6router\u6765\u5b9e\u73b0\uff0c\u901a\u8fc7\u9875\u9762url\u6765\u627e\u5230\u76ee\u6807\u9875\u9762\uff0c\u4ece\u800c\u5b9e\u73b0\u8df3\u8f6c\uff0c\u5305\u62ec\u8df3\u8f6c\u5230Ability\u7684\u6307\u5b9a\u9875\u9762\u3001\u7528UIAbility\u5185\u7684\u67d0\u4e2a\u9875\u9762\u66ff\u6362\u5f53\u524d\u9875\u9762\u3001\u8fd4\u56de\u4e0a\u4e00\u9875\u7b49\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5bfc\u5165router\u6a21\u5757\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"typescript\" class=\"language-typescript\">import router from '@ohos.router';<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u9875\u9762\u8df3\u8f6c\u7684\u65b9\u5f0f\uff1a<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">pushUrl()\uff1a<\/h4>\n\n\n\n<p>API9\u53ca\u4ee5\u4e0a\uff0crouter.pushUrl()\u65b9\u6cd5\u65b0\u589e\u4e86mode\u53c2\u6570\uff0c\u53ef\u4ee5\u5c06mode\u53c2\u6570\u914d\u7f6e\u4e3arouter.RouterMode.Single\u5355\u5b9e\u4f8b\u6a21\u5f0f\u548crouter.RouterMode.Standard\u591a\u5b9e\u4f8b\u6a21\u5f0f\u3002\uff08\u9ed8\u8ba4standard\uff09<\/p>\n\n\n\n<p>\u5728\u5355\u5b9e\u4f8b\u6a21\u5f0f\u4e0b\uff1a\u5982\u679c\u76ee\u6807\u9875\u9762\u7684url\u5728\u9875\u9762\u6808\u4e2d\u5df2\u7ecf\u5b58\u5728\u540curl\u9875\u9762\uff0c\u79bb\u6808\u9876\u6700\u8fd1\u540curl\u9875\u9762\u4f1a\u88ab\u79fb\u52a8\u5230\u6808\u9876\uff0c\u79fb\u52a8\u540e\u7684\u9875\u9762\u4e3a\u65b0\u5efa\u9875\uff0c\u539f\u6765\u7684\u9875\u9762\u4ecd\u7136\u5b58\u5728\u6808\u4e2d\uff0c\u9875\u9762\u6808\u7684\u5143\u7d20\u6570\u91cf\u4e0d\u53d8\uff1b\u5982\u679c\u76ee\u6807\u9875\u9762\u7684url\u5728\u9875\u9762\u6808\u4e2d\u4e0d\u5b58\u5728\u540curl\u9875\u9762\uff0c\u6309\u591a\u5b9e\u4f8b\u6a21\u5f0f\u8df3\u8f6c\uff0c\u9875\u9762\u6808\u7684\u5143\u7d20\u6570\u91cf\u4f1a\u52a01\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><\/p>\n<cite>\u5f53\u9875\u9762\u6808\u7684\u5143\u7d20\u6570\u91cf\u8f83\u5927\u6216\u8005\u8d85\u8fc732\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528router.clear()\u65b9\u6cd5\u6e05\u9664\u9875\u9762\u6808\u4e2d\u7684\u6240\u6709\u5386\u53f2\u9875\u9762\uff0c\u4ec5\u4fdd\u7559\u5f53\u524d\u9875\u9762\u4f5c\u4e3a\u6808\u9876\u9875\u9762\u3002<\/cite><\/blockquote>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"typescript\" class=\"language-typescript\">router.pushUrl({\n  url: 'pages\/Second',\n  params: {\n    src: 'Index\u9875\u9762\u4f20\u6765\u7684\u6570\u636e',\n  }\n}, router.RouterMode.Single)<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">replaceUrl()\uff1a<\/h4>\n\n\n\n<p>\u540c\u6837\u63d0\u4f9b\u4e86mode\u53c2\u6570\u6765\u914d\u7f6e\u5355\u4f8b\u6a21\u5f0f\u6216\u8005\u591a\u4f8b\u6a21\u5f0f\u3002\u4e0epushUrl()\u4e0d\u540c\u7684\u662f\uff0c\u8be5\u65b9\u6cd5\u4f1a\u5c06\u76ee\u6807\u9875\u9762\u66ff\u6362\u5f53\u524d\u9875\u9762\uff0c\u65e7\u9875\u9762\u4f1a\u88ab\u9500\u6bc1\uff1a\uff08\u9ed8\u8ba4standard\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"typescript\" class=\"language-typescript\">router.replaceUrl({\n  url: 'pages\/Second',\n  params: {\n    src: 'Index\u9875\u9762\u4f20\u6765\u7684\u6570\u636e',\n  }\n}, router.RouterMode.Single)<\/code><\/pre>\n\n\n\n<p>\u5176\u6b21\uff0c\u6211\u4eec\u9700\u8981\u5b9e\u73b0\u9875\u9762\u95f4\u53c2\u6570\u7684\u63a5\u53d7\uff0c\u53ef\u4ee5\u8c03\u7528<code>router.getParams()<\/code>\u6765\u83b7\u53d6\u4f20\u9012\u8fc7\u6765\u7684\u53c2\u6570<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"typescript\" class=\"language-typescript\">import router from '@ohos.router';\n\n@Entry\n@Component\nstruct Second {\n  @State src: string = (router.getParams() as Record&lt;string, string&gt;)['src'];\n  \/\/ \u9875\u9762\u5237\u65b0\u5c55\u793a\n  \/\/ ...\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u9875\u9762\u8fd4\u56de\u548c\u53c2\u6570\u63a5\u6536<\/h3>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u8c03\u7528<code>router.back()<\/code>\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd4\u56de\u5230\u4e0a\u4e00\u4e2a\u9875\u9762\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u5728\u8c03\u7528\u8be5\u65b9\u6cd5\u65f6\u589e\u52a0\u53ef\u9009\u7684options\u53c2\u6570(\u589e\u52a0url\u53c2\u6570)\u8fd4\u56de\u5230\u6307\u5b9a\u9875\u9762\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<ul class=\"wp-block-list\" id=\"ZH-CN_TOPIC_0000001365035920__ul4213176487\">\n<li>\u8c03\u7528router.back()\u8fd4\u56de\u7684\u76ee\u6807\u9875\u9762\u9700\u8981\u5728\u9875\u9762\u6808\u4e2d\u5b58\u5728\u624d\u80fd\u6b63\u5e38\u8df3\u8f6c\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\u8c03\u7528router.pushUrl()\u65b9\u6cd5\u8df3\u8f6c\u5230Second\u9875\u9762\uff0c\u5728Second\u9875\u9762\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528router.back()\u65b9\u6cd5\u8fd4\u56de\u5230\u4e0a\u4e00\u4e2a\u9875\u9762\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\u8c03\u7528router.clear()\u65b9\u6cd5\u6e05\u7a7a\u4e86\u9875\u9762\u6808\u4e2d\u6240\u6709\u5386\u53f2\u9875\u9762\uff0c\u4ec5\u4fdd\u7559\u5f53\u524d\u9875\u9762\uff0c\u6b64\u65f6\u5219\u65e0\u6cd5\u901a\u8fc7\u8c03\u7528router.back()\u65b9\u6cd5\u8fd4\u56de\u5230\u4e0a\u4e00\u4e2a\u9875\u9762\u3002<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UIAbility\u7684\u751f\u547d\u5468\u671f<\/h2>\n\n\n\n<p>\u4f46\u7528\u6237\u6d4f\u89c8\u3001\u5207\u6362\u3001\u8fd4\u56de\u5230\u5bf9\u5e94\u5e94\u7528\u65f6\uff0cUIAbility\u4f1a\u5728\u4e0d\u540c\u751f\u547d\u5468\u671f\u4e4b\u95f4\u5207\u6362\uff0c\u540c\u65f6Ability\u63d0\u4f9b\u4e86\u5f88\u591a\u56de\u8c03\u6765\u77e5\u6653\u5f53\u524d\u72b6\u6001\u7684\u53d8\u5316<\/p>\n\n\n\n<p>\u4e3a\u4e86\u5b9e\u73b0\u591a\u8bbe\u5907\u5f62\u6001\u4e0a\u7684\u88c1\u526a\u548c\u591a\u7a97\u53e3\u7684\u53ef\u6269\u5c55\u6027\uff0c\u7cfb\u7edf\u5bf9\u7ec4\u4ef6\u7ba1\u7406\u548c\u7a97\u53e3\u7ba1\u7406\u8fdb\u884c\u4e86\u89e3\u8026\u3002UIAbility\u7684\u751f\u547d\u5468\u671f\u5305\u62ecCreate\u3001Foreground\u3001Background\u3001Destroy\u56db\u4e2a\u72b6\u6001\uff0cWindowStageCreate\u548cWindowStageDestroy\u4e3a\u7a97\u53e3\u7ba1\u7406\u5668\uff08WindowStage\uff09\u5728UIAbility\u4e2d\u7ba1\u7406UI\u754c\u9762\u529f\u80fd\u7684\u4e24\u4e2a\u751f\u547d\u5468\u671f\u56de\u8c03\uff0c\u4ece\u800c\u5b9e\u73b0UIAbility\u4e0e\u7a97\u53e3\u4e4b\u95f4\u7684\u5f31\u8026\u5408\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"1024\" src=\"https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/image-13.png?resize=558%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-1681\" srcset=\"https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/image-13.png?resize=558%2C1024&amp;ssl=1 558w, https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/image-13.png?resize=163%2C300&amp;ssl=1 163w, https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/image-13.png?resize=768%2C1409&amp;ssl=1 768w, https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/image-13.png?resize=837%2C1536&amp;ssl=1 837w, https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/image-13.png?w=855&amp;ssl=1 855w\" sizes=\"(max-width: 558px) 100vw, 558px\" data-recalc-dims=\"1\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Create\u72b6\u6001\uff0c\u5e94\u7528\u52a0\u8f7d\u8fc7\u7a0b\u4e2d\uff0c\u5728UI\u9875\u9762\u53ef\u89c1\u4e4b\u524d\u3002\u5728UIAbility\u5b9e\u4f8b\u521b\u5efa\u65f6\u89e6\u53d1\uff0c\u7cfb\u7edf\u4f1a\u8c03\u7528onCreate\u56de\u8c03\u3002\u53ef\u4ee5\u5728onCreate\u56de\u8c03\u4e2d\u8fdb\u884c\u76f8\u5173\u521d\u59cb\u5316\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"typescript\" class=\"language-typescript\">import UIAbility from '@ohos.app.ability.UIAbility';\nimport window from '@ohos.window';\n\nexport default class EntryAbility extends UIAbility {\n    onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {\n        \/\/ \u5e94\u7528\u521d\u59cb\u5316\n        \/\/ ...\n    }\n    \/\/ ...\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WindowStageCreate\u72b6\u6001\uff0cUIAbility\u5b9e\u4f8b\u521b\u5efa\u5b8c\u6210\u4e4b\u540e\uff0c\u5728\u8fdb\u5165Foreground\u4e4b\u524d\uff0c\u7cfb\u7edf\u4f1a\u521b\u5efa\u4e00\u4e2aWindowStage\u3002\u6bcf\u4e00\u4e2aUIAbility\u5b9e\u4f8b\u90fd\u5bf9\u5e94\u6301\u6709\u4e00\u4e2aWindowStage\u5b9e\u4f8b\u3002<br>WindowStage\u4e3a\u672c\u5730\u7a97\u53e3\u7ba1\u7406\u5668\uff0c\u7528\u4e8e\u7ba1\u7406\u7a97\u53e3\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u4f8b\u5982\u4e0e\u754c\u9762\u76f8\u5173\u7684\u83b7\u7126\/\u5931\u7126\u3001\u53ef\u89c1\/\u4e0d\u53ef\u89c1\u3002<br>\u53ef\u4ee5\u5728onWindowStageCreate\u56de\u8c03\u4e2d\uff0c\u8bbe\u7f6eUI\u9875\u9762\u52a0\u8f7d\u3001\u8bbe\u7f6eWindowStage\u7684\u4e8b\u4ef6\u8ba2\u9605\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5728onWindowStageCreate(windowStage)\u4e2d\u901a\u8fc7loadContent\u63a5\u53e3\u8bbe\u7f6e\u5e94\u7528\u8981\u52a0\u8f7d\u7684\u9875\u9762:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"typescript\" class=\"language-typescript\">import UIAbility from '@ohos.app.ability.UIAbility';\nimport window from '@ohos.window';\n\nexport default class EntryAbility extends UIAbility {\n    \/\/ ...\n\n    onWindowStageCreate(windowStage: window.WindowStage) {\n        \/\/ \u8bbe\u7f6eUI\u9875\u9762\u52a0\u8f7d\n        \/\/ \u8bbe\u7f6eWindowStage\u7684\u4e8b\u4ef6\u8ba2\u9605\uff08\u83b7\u7126\/\u5931\u7126\u3001\u53ef\u89c1\/\u4e0d\u53ef\u89c1\uff09\n        \/\/ ...\n\n        windowStage.loadContent('pages\/Index', (err, data) =&gt; {\n            \/\/ ...\n        });\n    }\n    \/\/ ...\n}<\/code><\/pre>\n\n\n\n<p>\u4f8b\u5982\u7528\u6237\u6253\u5f00\u6e38\u620f\u5e94\u7528\uff0c\u6b63\u5728\u6253\u6e38\u620f\u7684\u65f6\u5019\uff0c\u6709\u4e00\u4e2a\u6d88\u606f\u901a\u77e5\uff0c\u6253\u5f00\u6d88\u606f\uff0c\u6d88\u606f\u4f1a\u4ee5\u5f39\u7a97\u7684\u5f62\u5f0f\u5f39\u51fa\u5728\u6e38\u620f\u5e94\u7528\u7684\u4e0a\u65b9\uff0c\u6b64\u65f6\uff0c\u6e38\u620f\u5e94\u7528\u5c31\u4ece\u83b7\u7126\u5207\u6362\u5230\u4e86\u5931\u7126\u72b6\u6001\uff0c\u6d88\u606f\u5e94\u7528\u5207\u6362\u5230\u4e86\u83b7\u7126\u72b6\u6001\u3002\u5bf9\u4e8e\u6d88\u606f\u5e94\u7528\uff0c\u5728onWindowStageCreate\u56de\u8c03\u4e2d\uff0c\u4f1a\u89e6\u53d1\u83b7\u7126\u7684\u4e8b\u4ef6\u56de\u8c03\uff0c\u53ef\u4ee5\u8fdb\u884c\u8bbe\u7f6e\u6d88\u606f\u5e94\u7528\u7684\u80cc\u666f\u989c\u8272\u3001\u9ad8\u4eae\u7b49\u64cd\u4f5c\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Foreground\u548cBackground\u72b6\u6001\uff0c\u5206\u522b\u5728UIAbility\u5207\u6362\u81f3\u524d\u53f0\u6216\u8005\u5207\u6362\u81f3\u540e\u53f0\u65f6\u89e6\u53d1\u3002<\/li>\n<\/ul>\n\n\n\n<p id=\"ZH-CN_TOPIC_0000001365035920__p8689154071517\">\u5206\u522b\u5bf9\u5e94\u4e8eonForeground\u56de\u8c03\u548conBackground\u56de\u8c03\u3002<br>onForeground\u56de\u8c03\uff0c\u5728UIAbility\u7684UI\u9875\u9762\u53ef\u89c1\u4e4b\u524d\uff0c\u5373UIAbility\u5207\u6362\u81f3\u524d\u53f0\u65f6\u89e6\u53d1\u3002\u53ef\u4ee5\u5728onForeground\u56de\u8c03\u4e2d\u7533\u8bf7\u7cfb\u7edf\u9700\u8981\u7684\u8d44\u6e90\uff0c\u6216\u8005\u91cd\u65b0\u7533\u8bf7\u5728onBackground\u4e2d\u91ca\u653e\u7684\u8d44\u6e90\u3002<br>onBackground\u56de\u8c03\uff0c\u5728UIAbility\u7684UI\u9875\u9762\u5b8c\u5168\u4e0d\u53ef\u89c1\u4e4b\u540e\uff0c\u5373UIAbility\u5207\u6362\u81f3\u540e\u53f0\u65f6\u5019\u89e6\u53d1\u3002\u53ef\u4ee5\u5728onBackground\u56de\u8c03\u4e2d\u91ca\u653eUI\u9875\u9762\u4e0d\u53ef\u89c1\u65f6\u65e0\u7528\u7684\u8d44\u6e90\uff0c\u6216\u8005\u5728\u6b64\u56de\u8c03\u4e2d\u6267\u884c\u8f83\u4e3a\u8017\u65f6\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u72b6\u6001\u4fdd\u5b58\u7b49\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"typescript\" class=\"language-typescript\">import UIAbility from '@ohos.app.ability.UIAbility';\nimport window from '@ohos.window';\n\nexport default class EntryAbility extends UIAbility {\n    \/\/ ...\n\n    onForeground() {\n        \/\/ \u7533\u8bf7\u7cfb\u7edf\u9700\u8981\u7684\u8d44\u6e90\uff0c\u6216\u8005\u91cd\u65b0\u7533\u8bf7\u5728onBackground\u4e2d\u91ca\u653e\u7684\u8d44\u6e90\n        \/\/ ...\n    }\n\n    onBackground() {\n        \/\/ \u91ca\u653eUI\u9875\u9762\u4e0d\u53ef\u89c1\u65f6\u65e0\u7528\u7684\u8d44\u6e90\uff0c\u6216\u8005\u5728\u6b64\u56de\u8c03\u4e2d\u6267\u884c\u8f83\u4e3a\u8017\u65f6\u7684\u64cd\u4f5c\n        \/\/ \u4f8b\u5982\u72b6\u6001\u4fdd\u5b58\u7b49\n        \/\/ ...\n    }\n}<\/code><\/pre>\n\n\n\n<p id=\"ZH-CN_TOPIC_0000001365035920__p1068964011155\">\u4f8b\u5982\u7528\u6237\u6253\u5f00\u5730\u56fe\u5e94\u7528\u67e5\u770b\u5f53\u524d\u5730\u7406\u4f4d\u7f6e\u7684\u65f6\u5019\uff0c\u5047\u8bbe\u5730\u56fe\u5e94\u7528\u5df2\u83b7\u5f97\u7528\u6237\u7684\u5b9a\u4f4d\u6743\u9650\u6388\u6743\u3002\u5728UI\u9875\u9762\u663e\u793a\u4e4b\u524d\uff0c\u53ef\u4ee5\u5728onForeground\u56de\u8c03\u4e2d\u6253\u5f00\u5b9a\u4f4d\u529f\u80fd\uff0c\u4ece\u800c\u83b7\u53d6\u5230\u5f53\u524d\u7684\u4f4d\u7f6e\u4fe1\u606f\u3002<\/p>\n\n\n\n<p id=\"ZH-CN_TOPIC_0000001365035920__p13689134051519\">\u5f53\u5730\u56fe\u5e94\u7528\u5207\u6362\u5230\u540e\u53f0\u72b6\u6001\uff0c\u53ef\u4ee5\u5728onBackground\u56de\u8c03\u4e2d\u505c\u6b62\u5b9a\u4f4d\u529f\u80fd\uff0c\u4ee5\u8282\u7701\u7cfb\u7edf\u7684\u8d44\u6e90\u6d88\u8017\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>onWindowStageDestroy\u72b6\u6001\u3002\u5728UIAbility\u9500\u6bc1\u4e4b\u524d\uff0c\u5148\u8fdb\u5165\u8be5\u72b6\u6001\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u8be5\u56de\u8c03\u4e2d\u91ca\u653eUI\u9875\u9762\u8d44\u6e90\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"typescript\" class=\"language-typescript\">import UIAbility from '@ohos.app.ability.UIAbility';\nimport window from '@ohos.window';\n\nexport default class EntryAbility extends UIAbility {\n    \/\/ ...\n\n    onWindowStageDestroy() {\n        \/\/ \u91ca\u653eUI\u9875\u9762\u8d44\u6e90\n        \/\/ ...\n    }\n}<\/code><\/pre>\n\n\n\n<p>\u4f8b\u5982\u91ca\u653e\u5728onWindowStageCreate\u4e2d\u8bbe\u7f6e\u7684\u83b7\u7126\/\u5931\u7126\u7b49WindowStage\u8ba2\u9605\u4e8b\u4ef6\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Destroy\u72b6\u6001\uff0c\u5728UIAbility\u9500\u6bc1\u65f6\u89e6\u53d1\u3002\u53ef\u4ee5\u5728onDestroy\u56de\u8c03\u4e2d\u8fdb\u884c\u7cfb\u7edf\u8d44\u6e90\u7684\u91ca\u653e\u3001\u6570\u636e\u7684\u4fdd\u5b58\u7b49\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"typescript\" class=\"language-typescript\">import UIAbility from '@ohos.app.ability.UIAbility';\nimport window from '@ohos.window';\n\nexport default class EntryAbility extends UIAbility {\n    \/\/ ...\n\n    onDestroy() {\n        \/\/ \u7cfb\u7edf\u8d44\u6e90\u7684\u91ca\u653e\u3001\u6570\u636e\u7684\u4fdd\u5b58\u7b49\n        \/\/ ...\n    }\n}<\/code><\/pre>\n\n\n\n<p>\u4f8b\u5982\u7528\u6237\u4f7f\u7528\u5e94\u7528\u7684\u7a0b\u5e8f\u9000\u51fa\u529f\u80fd\uff0c\u4f1a\u8c03\u7528UIAbilityContext\u7684terminalSelf()\u65b9\u6cd5\uff0c\u4ece\u800c\u5b8c\u6210UIAbility\u9500\u6bc1\u3002\u6216\u8005\u7528\u6237\u4f7f\u7528\u6700\u8fd1\u4efb\u52a1\u5217\u8868\u5173\u95ed\u8be5UIAbility\u5b9e\u4f8b\u65f6\uff0c\u4e5f\u4f1a\u5b8c\u6210UIAbility\u7684\u9500\u6bc1\u3002<\/p>\n\n\n\n<div style=\"height:13px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">UIAbility\u7684\u542f\u52a8\u6a21\u5f0f<\/h2>\n\n\n\n<p id=\"ZH-CN_TOPIC_0000001365035920__p8804124612293\">\u5bf9\u4e8e\u6d4f\u89c8\u5668\u6216\u8005\u65b0\u95fb\u7b49\u5e94\u7528\uff0c\u7528\u6237\u5728\u6253\u5f00\u8be5\u5e94\u7528\uff0c\u5e76\u6d4f\u89c8\u8bbf\u95ee\u76f8\u5173\u5185\u5bb9\u540e\uff0c\u56de\u5230\u684c\u9762\uff0c\u518d\u6b21\u6253\u5f00\u8be5\u5e94\u7528\uff0c\u663e\u793a\u7684\u4ecd\u7136\u662f\u7528\u6237\u5f53\u524d\u8bbf\u95ee\u7684\u754c\u9762\u3002<\/p>\n\n\n\n<p id=\"ZH-CN_TOPIC_0000001365035920__p18725121319617\">\u5bf9\u4e8e\u5e94\u7528\u7684\u5206\u5c4f\u64cd\u4f5c\uff0c\u7528\u6237\u5e0c\u671b\u4f7f\u7528\u4e24\u4e2a\u4e0d\u540c\u5e94\u7528\uff08\u4f8b\u5982\u5907\u5fd8\u5f55\u5e94\u7528\u548c\u56fe\u5e93\u5e94\u7528\uff09\u4e4b\u95f4\u8fdb\u884c\u5206\u5c4f\uff0c\u4e5f\u5e0c\u671b\u80fd\u4f7f\u7528\u540c\u4e00\u4e2a\u5e94\u7528\uff08\u4f8b\u5982\u5907\u5fd8\u5f55\u5e94\u7528\u81ea\u8eab\uff09\u8fdb\u884c\u5206\u5c4f\u3002<\/p>\n\n\n\n<p id=\"ZH-CN_TOPIC_0000001365035920__p99418112044\">\u5bf9\u4e8e\u6587\u6863\u5e94\u7528\uff0c\u7528\u6237\u4ece\u6587\u6863\u5e94\u7528\u4e2d\u6253\u5f00\u4e00\u4e2a\u6587\u6863\u5185\u5bb9\uff0c\u56de\u5230\u6587\u6863\u5e94\u7528\uff0c\u7ee7\u7eed\u6253\u5f00\u540c\u4e00\u4e2a\u6587\u6863\uff0c\u5e0c\u671b\u6253\u5f00\u7684\u8fd8\u662f\u540c\u4e00\u4e2a\u6587\u6863\u5185\u5bb9\u3002<\/p>\n\n\n\n<p id=\"ZH-CN_TOPIC_0000001365035920__p17100452554\">\u57fa\u4e8e\u4ee5\u4e0a\u573a\u666f\u7684\u8003\u8651\uff0cUIAbility\u5f53\u524d\u652f\u6301singleton\uff08\u5355\u5b9e\u4f8b\u6a21\u5f0f\uff09\u3001multiton\uff08\u591a\u5b9e\u4f8b\u6a21\u5f0f\uff09\u548cspecified\uff08\u6307\u5b9a\u5b9e\u4f8b\u6a21\u5f0f\uff093\u79cd\u542f\u52a8\u6a21\u5f0f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">singleton\uff08\u5355\u5b9e\u4f8b\u6a21\u5f0f\uff09<\/h4>\n\n\n\n<p id=\"ZH-CN_TOPIC_0000001365035920__p741014425319\">singleton\u542f\u52a8\u6a21\u5f0f\u4e3a\u5355\u5b9e\u4f8b\u6a21\u5f0f\uff0c\u4e5f\u662f\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u7684\u542f\u52a8\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p id=\"ZH-CN_TOPIC_0000001365035920__p741013405313\">\u6bcf\u6b21\u8c03\u7528startAbility()\u65b9\u6cd5\u65f6\uff0c\u5982\u679c\u5e94\u7528\u8fdb\u7a0b\u4e2d\u8be5\u7c7b\u578b\u7684UIAbility\u5b9e\u4f8b\u5df2\u7ecf\u5b58\u5728\uff0c\u5219\u590d\u7528\u7cfb\u7edf\u4e2d\u7684UIAbility\u5b9e\u4f8b\u3002\u7cfb\u7edf\u4e2d\u53ea\u5b58\u5728\u552f\u4e00\u4e00\u4e2a\u8be5UIAbility\u5b9e\u4f8b\uff0c\u5373\u5728\u6700\u8fd1\u4efb\u52a1\u5217\u8868\u4e2d\u53ea\u5b58\u5728\u4e00\u4e2a\u8be5\u7c7b\u578b\u7684UIAbility\u5b9e\u4f8b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"328\" height=\"700\" src=\"https:\/\/i1.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/0000000000011111111.20240320115212.74160427827983461236272444555069.gif?resize=328%2C700&#038;ssl=1\" alt=\"\" class=\"wp-image-1688\" data-recalc-dims=\"1\"\/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><\/p>\n\n\n\n<p>\u5e94\u7528\u7684UIAbility\u5b9e\u4f8b\u5df2\u521b\u5efa\uff0c\u8be5UIAbility\u914d\u7f6e\u4e3a\u5355\u5b9e\u4f8b\u6a21\u5f0f\uff0c\u518d\u6b21\u8c03\u7528startAbility()\u65b9\u6cd5\u542f\u52a8\u8be5UIAbility\u5b9e\u4f8b\u3002\u7531\u4e8e\u542f\u52a8\u7684\u8fd8\u662f\u539f\u6765\u7684UIAbility\u5b9e\u4f8b\uff0c\u5e76\u672a\u91cd\u65b0\u521b\u5efa\u4e00\u4e2a\u65b0\u7684UIAbility\u5b9e\u4f8b\uff0c\u6b64\u65f6\u53ea\u4f1a\u8fdb\u5165\u8be5UIAbility\u7684onNewWant()\u56de\u8c03\uff0c\u4e0d\u4f1a\u8fdb\u5165\u5176onCreate()\u548conWindowStageCreate()\u751f\u547d\u5468\u671f\u56de\u8c03\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>singleton\u542f\u52a8\u6a21\u5f0f\u7684\u5f00\u53d1\u4f7f\u7528\uff0c\u5728module.json5\u6587\u4ef6\u4e2d\u7684\u201claunchType\u201d\u5b57\u6bb5\u914d\u7f6e\u4e3a\u201csingleton\u201d\u5373\u53ef\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"json\" class=\"language-json\">{\n   \"module\": {\n     \/\/ ...\n     \"abilities\": [\n       {\n         \"launchType\": \"singleton\",\n         \/\/ ...\n       }\n     ]\n  }\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>multiton\uff08\u591a\u5b9e\u4f8b\u6a21\u5f0f\uff09<br>multiton\u542f\u52a8\u6a21\u5f0f\u4e3a\u591a\u5b9e\u4f8b\u6a21\u5f0f\uff0c\u6bcf\u6b21\u8c03\u7528startAbility()\u65b9\u6cd5\u65f6\uff0c\u90fd\u4f1a\u5728\u5e94\u7528\u8fdb\u7a0b\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u8be5\u7c7b\u578bUIAbility\u5b9e\u4f8b\u3002\u5373\u5728\u6700\u8fd1\u4efb\u52a1\u5217\u8868\u4e2d\u53ef\u4ee5\u770b\u5230\u6709\u591a\u4e2a\u8be5\u7c7b\u578b\u7684UIAbility\u5b9e\u4f8b\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u53ef\u4ee5\u5c06UIAbility\u914d\u7f6e\u4e3amultiton\uff08\u591a\u5b9e\u4f8b\u6a21\u5f0f\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"328\" height=\"700\" src=\"https:\/\/i2.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/0000000000011111111.20240320115212.18722161859315291119947045940073.gif?resize=328%2C700&#038;ssl=1\" alt=\"\" class=\"wp-image-1690\" data-recalc-dims=\"1\"\/><\/figure>\n\n\n\n<p>multiton\u542f\u52a8\u6a21\u5f0f\u7684\u5f00\u53d1\u4f7f\u7528\uff0c\u5728module.json5\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684launchType\u5b57\u6bb5\u914d\u7f6e\u4e3amultiton\u5373\u53ef\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"json\" class=\"language-json\">{\n   \"module\": {\n     \/\/ ...\n     \"abilities\": [\n       {\n         \"launchType\": \"multiton\",\n         \/\/ ...\n       }\n     ]\n  }\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>specified\uff08\u6307\u5b9a\u5b9e\u4f8b\u6a21\u5f0f\uff09<\/li>\n<\/ul>\n\n\n\n<p id=\"ZH-CN_TOPIC_0000001365035920__p18730183711346\">specified\u542f\u52a8\u6a21\u5f0f\u4e3a\u6307\u5b9a\u5b9e\u4f8b\u6a21\u5f0f\uff0c\u9488\u5bf9\u4e00\u4e9b\u7279\u6b8a\u573a\u666f\u4f7f\u7528\uff08\u4f8b\u5982\u6587\u6863\u5e94\u7528\u4e2d\u6bcf\u6b21\u65b0\u5efa\u6587\u6863\u5e0c\u671b\u90fd\u80fd\u65b0\u5efa\u4e00\u4e2a\u6587\u6863\u5b9e\u4f8b\uff0c\u91cd\u590d\u6253\u5f00\u4e00\u4e2a\u5df2\u4fdd\u5b58\u7684\u6587\u6863\u5e0c\u671b\u6253\u5f00\u7684\u90fd\u662f\u540c\u4e00\u4e2a\u6587\u6863\u5b9e\u4f8b\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"327\" height=\"700\" src=\"https:\/\/i0.wp.com\/fireinsect.top\/wp-content\/uploads\/2024\/03\/0000000000011111111.20240320115212.08709986701436615020788497014831.gif?resize=327%2C700&#038;ssl=1\" alt=\"\" class=\"wp-image-1691\" data-recalc-dims=\"1\"\/><\/figure>\n\n\n\n<p>\u4f8b\u5982\u6709\u4e24\u4e2aUIAbility\uff1aEntryAbility\u548cSpecifiedAbility\uff0cSpecifiedAbility\u914d\u7f6e\u4e3a\u6307\u5b9a\u5b9e\u4f8b\u6a21\u5f0f\u542f\u52a8\uff0c\u9700\u8981\u4eceEntryAbility\u7684\u9875\u9762\u4e2d\u542f\u52a8SpecifiedAbility\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" id=\"ZH-CN_TOPIC_0000001365035920__ol36801831123818\">\n<li>\u5728SpecifiedAbility\u4e2d\uff0c\u5c06module.json5\u914d\u7f6e\u6587\u4ef6\u7684launchType\u5b57\u6bb5\u914d\u7f6e\u4e3aspecified\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"json\" class=\"language-json\">{\n  \"module\": {\n    \/\/ ...\n    \"abilities\": [\n      {\n        \"launchType\": \"specified\",\n        \/\/ ...\n      }\n    ]\n  }\n}<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5728\u521b\u5efaUIAbility\u5b9e\u4f8b\u4e4b\u524d\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4e3a\u8be5\u5b9e\u4f8b\u6307\u5b9a\u4e00\u4e2a\u552f\u4e00\u7684\u5b57\u7b26\u4e32Key\uff0c\u8fd9\u6837\u5728\u8c03\u7528startAbility()\u65b9\u6cd5\u65f6\uff0c\u5e94\u7528\u5c31\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684Key\u6765\u8bc6\u522b\u54cd\u5e94\u8bf7\u6c42\u7684UIAbility\u5b9e\u4f8b\u3002\u5728EntryAbility\u4e2d\uff0c\u8c03\u7528startAbility()\u65b9\u6cd5\u65f6\uff0c\u53ef\u4ee5\u5728want\u53c2\u6570\u4e2d\u589e\u52a0\u4e00\u4e2a\u81ea\u5b9a\u4e49\u53c2\u6570\uff0c\u4f8b\u5982instanceKey\uff0c\u4ee5\u6b64\u6765\u533a\u5206\u4e0d\u540c\u7684UIAbility\u5b9e\u4f8b\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"typescript\" class=\"language-typescript\">\/\/ \u5728\u542f\u52a8\u6307\u5b9a\u5b9e\u4f8b\u6a21\u5f0f\u7684UIAbility\u65f6\uff0c\u7ed9\u6bcf\u4e00\u4e2aUIAbility\u5b9e\u4f8b\u914d\u7f6e\u4e00\u4e2a\u72ec\u7acb\u7684Key\u6807\u8bc6\n\/\/ \u4f8b\u5982\u5728\u6587\u6863\u4f7f\u7528\u573a\u666f\u4e2d\uff0c\u53ef\u4ee5\u7528\u6587\u6863\u8def\u5f84\u4f5c\u4e3aKey\u6807\u8bc6\nimport common from '@ohos.app.ability.common';\nimport Want from '@ohos.app.ability.Want';\nimport { BusinessError } from '@ohos.base';\n\nfunction getInstance() {\n  return 'key';\n}\n\nlet context:common.UIAbilityContext = ...; \/\/ context\u4e3a\u8c03\u7528\u65b9UIAbility\u7684UIAbilityContext\nlet want: Want = {\n  deviceId: '', \/\/ deviceId\u4e3a\u7a7a\u8868\u793a\u672c\u8bbe\u5907\n  bundleName: 'com.example.myapplication',\n  abilityName: 'SpecifiedAbility',\n  moduleName: 'specified', \/\/ moduleName\u975e\u5fc5\u9009\n  parameters: { \/\/ \u81ea\u5b9a\u4e49\u4fe1\u606f\n    instanceKey: getInstance(),\n  },\n}\n\ncontext.startAbility(want).then(() =&gt; {\n  console.info('Succeeded in starting ability.');\n}).catch((err: BusinessError) =&gt; {\n  console.error(`Failed to start ability. Code is ${err.code}, message is ${err.message}`);\n})<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7531\u4e8eSpecifiedAbility\u7684\u542f\u52a8\u6a21\u5f0f\u88ab\u914d\u7f6e\u4e3a\u6307\u5b9a\u5b9e\u4f8b\u542f\u52a8\u6a21\u5f0f\uff0c\u56e0\u6b64\u5728SpecifiedAbility\u542f\u52a8\u4e4b\u524d\uff0c\u4f1a\u5148\u8fdb\u5165\u5bf9\u5e94\u7684AbilityStage\u7684onAcceptWant()\u751f\u547d\u5468\u671f\u56de\u8c03\u4e2d\uff0c\u4ee5\u83b7\u53d6\u8be5UIAbility\u5b9e\u4f8b\u7684Key\u503c\u3002\u7136\u540e\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5339\u914d\uff0c\u5982\u679c\u5b58\u5728\u4e0e\u8be5UIAbility\u5b9e\u4f8b\u5339\u914d\u7684Key\uff0c\u5219\u4f1a\u542f\u52a8\u4e0e\u4e4b\u7ed1\u5b9a\u7684UIAbility\u5b9e\u4f8b\uff0c\u5e76\u8fdb\u5165\u8be5UIAbility\u5b9e\u4f8b\u7684onNewWant()\u56de\u8c03\u51fd\u6570\uff1b\u5426\u5219\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684UIAbility\u5b9e\u4f8b\uff0c\u5e76\u8fdb\u5165\u8be5UIAbility\u5b9e\u4f8b\u7684onCreate()\u56de\u8c03\u51fd\u6570\u548conWindowStageCreate()\u56de\u8c03\u51fd\u6570\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u901a\u8fc7\u5b9e\u73b0onAcceptWant()\u751f\u547d\u5468\u671f\u56de\u8c03\u51fd\u6570\uff0c\u89e3\u6790\u4f20\u5165\u7684want\u53c2\u6570\uff0c\u83b7\u53d6\u81ea\u5b9a\u4e49\u53c2\u6570instanceKey\u3002\u4e1a\u52a1\u903b\u8f91\u4f1a\u6839\u636e\u8fd9\u4e2a\u53c2\u6570\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32Key\uff0c\u7528\u4e8e\u6807\u8bc6\u5f53\u524dUIAbility\u5b9e\u4f8b\u3002\u5982\u679c\u8fd4\u56de\u7684Key\u5df2\u7ecf\u5bf9\u5e94\u4e00\u4e2a\u5df2\u542f\u52a8\u7684UIAbility\u5b9e\u4f8b\uff0c\u7cfb\u7edf\u4f1a\u5c06\u8be5UIAbility\u5b9e\u4f8b\u62c9\u56de\u524d\u53f0\u5e76\u83b7\u7126\uff0c\u800c\u4e0d\u4f1a\u521b\u5efa\u65b0\u7684\u5b9e\u4f8b\u3002\u5982\u679c\u8fd4\u56de\u7684Key\u6ca1\u6709\u5bf9\u5e94\u5df2\u542f\u52a8\u7684UIAbility\u5b9e\u4f8b\uff0c\u5219\u7cfb\u7edf\u4f1a\u521b\u5efa\u65b0\u7684UIAbility\u5b9e\u4f8b\u5e76\u542f\u52a8\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"typescript\" class=\"language-typescript\">import AbilityStage from '@ohos.app.ability.AbilityStage';\nimport Want from '@ohos.app.ability.Want';\n\nexport default class MyAbilityStage extends AbilityStage {\n  onAcceptWant(want: Want): string {\n    \/\/ \u5728\u88ab\u8c03\u7528\u65b9\u7684AbilityStage\u4e2d\uff0c\u9488\u5bf9\u542f\u52a8\u6a21\u5f0f\u4e3aspecified\u7684UIAbility\u8fd4\u56de\u4e00\u4e2aUIAbility\u5b9e\u4f8b\u5bf9\u5e94\u7684\u4e00\u4e2aKey\u503c\n    \/\/ \u5f53\u524d\u793a\u4f8b\u6307\u7684\u662fmodule1 Module\u7684SpecifiedAbility\n    if (want.abilityName === 'SpecifiedAbility') {\n      \/\/ \u8fd4\u56de\u7684\u5b57\u7b26\u4e32Key\u6807\u8bc6\u4e3a\u81ea\u5b9a\u4e49\u62fc\u63a5\u7684\u5b57\u7b26\u4e32\u5185\u5bb9\n      if (want.parameters) {\n        return `SpecifiedAbilityInstance_${want.parameters.instanceKey}`;\n      }\n    }\n\n    return '';\n  }\n}<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<ol class=\"wp-block-list\" id=\"ZH-CN_TOPIC_0000001365035920__ol175999318443\">\n<li>\u5f53\u5e94\u7528\u7684UIAbility\u5b9e\u4f8b\u5df2\u7ecf\u88ab\u521b\u5efa\uff0c\u5e76\u4e14\u914d\u7f6e\u4e3a\u6307\u5b9a\u5b9e\u4f8b\u6a21\u5f0f\u65f6\uff0c\u5982\u679c\u518d\u6b21\u8c03\u7528startAbility()\u65b9\u6cd5\u542f\u52a8\u8be5UIAbility\u5b9e\u4f8b\uff0c\u4e14AbilityStage\u7684onAcceptWant()\u56de\u8c03\u5339\u914d\u5230\u4e00\u4e2a\u5df2\u521b\u5efa\u7684UIAbility\u5b9e\u4f8b\uff0c\u5219\u7cfb\u7edf\u4f1a\u542f\u52a8\u539f\u6765\u7684UIAbility\u5b9e\u4f8b\uff0c\u5e76\u4e14\u4e0d\u4f1a\u91cd\u65b0\u521b\u5efa\u4e00\u4e2a\u65b0\u7684UIAbility\u5b9e\u4f8b\u3002\u6b64\u65f6\uff0c\u8be5UIAbility\u5b9e\u4f8b\u7684onNewWant()\u56de\u8c03\u4f1a\u88ab\u89e6\u53d1\uff0c\u800c\u4e0d\u4f1a\u89e6\u53d1onCreate()\u548conWindowStageCreate()\u751f\u547d\u5468\u671f\u56de\u8c03\u3002<\/li>\n\n\n\n<li>DevEco Studio\u9ed8\u8ba4\u5de5\u7a0b\u4e2d\u672a\u81ea\u52a8\u751f\u6210AbilityStage\uff0cAbilityStage\u6587\u4ef6\u7684\u521b\u5efa\u8bf7\u53c2\u89c1AbilityStage\u7ec4\u4ef6\u5bb9\u5668\u3002<\/li>\n<\/ol>\n<\/blockquote>\n\n\n\n<p id=\"ZH-CN_TOPIC_0000001365035920__p1210683754414\">\u4f8b\u5982\u5728\u6587\u6863\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u4e3a\u4e0d\u540c\u7684\u6587\u6863\u5b9e\u4f8b\u5185\u5bb9\u7ed1\u5b9a\u4e0d\u540c\u7684Key\u503c\u3002\u6bcf\u6b21\u65b0\u5efa\u6587\u6863\u65f6\uff0c\u53ef\u4ee5\u4f20\u5165\u4e00\u4e2a\u65b0\u7684Key\u503c\uff08\u4f8b\u5982\u53ef\u4ee5\u5c06\u6587\u4ef6\u7684\u8def\u5f84\u4f5c\u4e3a\u4e00\u4e2aKey\u6807\u8bc6\uff09\uff0c\u6b64\u65f6AbilityStage\u4e2d\u542f\u52a8UIAbility\u65f6\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684UIAbility\u5b9e\u4f8b\uff1b\u5f53\u65b0\u5efa\u7684\u6587\u6863\u4fdd\u5b58\u4e4b\u540e\uff0c\u56de\u5230\u684c\u9762\uff0c\u6216\u8005\u65b0\u6253\u5f00\u4e00\u4e2a\u5df2\u4fdd\u5b58\u7684\u6587\u6863\uff0c\u56de\u5230\u684c\u9762\uff0c\u6b64\u65f6\u518d\u6b21\u6253\u5f00\u8be5\u5df2\u4fdd\u5b58\u7684\u6587\u6863\uff0c\u6b64\u65f6AbilityStage\u4e2d\u518d\u6b21\u542f\u52a8\u8be5UIAbility\u65f6\uff0c\u6253\u5f00\u7684\u4ecd\u7136\u662f\u4e4b\u524d\u539f\u6765\u5df2\u4fdd\u5b58\u7684\u6587\u6863\u754c\u9762\u3002<\/p>\n\n\n\n<p id=\"ZH-CN_TOPIC_0000001365035920__p4106193784415\">\u4ee5\u5982\u4e0b\u6b65\u9aa4\u6240\u793a\u8fdb\u884c\u4e3e\u4f8b\u8bf4\u660e\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" id=\"ZH-CN_TOPIC_0000001365035920__ol6106937154410\">\n<li>\u6253\u5f00\u6587\u4ef6A\uff0c\u5bf9\u5e94\u542f\u52a8\u4e00\u4e2a\u65b0\u7684UIAbility\u5b9e\u4f8b\uff0c\u4f8b\u5982\u542f\u52a8UIAbility\u5b9e\u4f8b1\u3002<\/li>\n\n\n\n<li>\u5728\u6700\u8fd1\u4efb\u52a1\u5217\u8868\u4e2d\u5173\u95ed\u6587\u4ef6A\u7684\u4efb\u52a1\u8fdb\u7a0b\uff0c\u6b64\u65f6UIAbility\u5b9e\u4f8b1\u88ab\u9500\u6bc1\uff0c\u56de\u5230\u684c\u9762\uff0c\u518d\u6b21\u6253\u5f00\u6587\u4ef6A\uff0c\u6b64\u65f6\u5bf9\u5e94\u542f\u52a8\u4e00\u4e2a\u65b0\u7684UIAbility\u5b9e\u4f8b\uff0c\u4f8b\u5982\u542f\u52a8UIAbility\u5b9e\u4f8b2\u3002<\/li>\n\n\n\n<li>\u56de\u5230\u684c\u9762\uff0c\u6253\u5f00\u6587\u4ef6B\uff0c\u6b64\u65f6\u5bf9\u5e94\u542f\u52a8\u4e00\u4e2a\u65b0\u7684UIAbility\u5b9e\u4f8b\uff0c\u4f8b\u5982\u542f\u52a8UIAbility\u5b9e\u4f8b3\u3002<\/li>\n\n\n\n<li>\u56de\u5230\u684c\u9762\uff0c\u518d\u6b21\u6253\u5f00\u6587\u4ef6A\uff0c\u6b64\u65f6\u4ecd\u7136\u542f\u52a8\u4e4b\u524d\u7684UIAbility\u5b9e\u4f8b2\uff0c\u56e0\u4e3a\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5339\u914dUIAbility\u5b9e\u4f8b\u7684Key\u503c\uff0c\u5982\u679c\u5b58\u5728\u4e0e\u4e4b\u5339\u914d\u7684Key\uff0c\u5219\u4f1a\u542f\u52a8\u4e0e\u4e4b\u7ed1\u5b9a\u7684UIAbility\u5b9e\u4f8b\u3002\u5728\u6b64\u4f8b\u4e2d\uff0c\u4e4b\u524d\u542f\u52a8\u7684UIAbility\u5b9e\u4f8b2\u4e0e\u6587\u4ef6A\u7ed1\u5b9a\u7684Key\u662f\u76f8\u540c\u7684\uff0c\u56e0\u6b64\u7cfb\u7edf\u4f1a\u62c9\u56deUIAbility\u5b9e\u4f8b2\u5e76\u8ba9\u5176\u83b7\u7126\uff0c\u800c\u4e0d\u4f1a\u521b\u5efa\u65b0\u7684\u5b9e\u4f8b\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>UIAbility\u662f\u4e00\u79cd\u5305\u542b\u7528\u6237\u754c\u9762\u7684\u5e94\u7528\u7ec4\u4ef6\uff0c\u4e3b\u8981\u7528\u4e8e\u548c\u7528\u6237\u8fdb\u884c\u4ea4\u4e92\u3002UIAbility\u4e5f\u662f\u7cfb\u7edf\u8c03\u5ea6\u7684\u5355\u5143\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":""},"categories":[16],"tags":[],"class_list":["post-1673","post","type-post","status-publish","format-standard","hentry","category-16"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1673"}],"collection":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/comments?post=1673"}],"version-history":[{"count":7,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1673\/revisions"}],"predecessor-version":[{"id":1694,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1673\/revisions\/1694"}],"wp:attachment":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/media?parent=1673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/categories?post=1673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/tags?post=1673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}