{"id":38482,"date":"2023-01-28T23:26:53","date_gmt":"2023-06-24T18:22:44","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/react-router-%e7%9a%84-usebeforeunload\/"},"modified":"2024-04-29T11:58:37","modified_gmt":"2024-04-29T03:58:37","slug":"react-router-%e7%9a%84-usebeforeunload","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/react-router-%e7%9a%84-usebeforeunload\/","title":{"rendered":"React Router \u7684 useBeforeUnload"},"content":{"rendered":"<h2>\u79bb\u5f00\u524d<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d348937434c4406c69271\/1-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-11-02 11.20.22.png\" \/><\/div>\n<p>\u4e3a\u4e86\u5f39\u51fa\u7c7b\u4f3c\u4e0a\u8ff0\u7684\u786e\u8ba4\u5bf9\u8bdd\u6846\uff0c\u6211\u6309\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u4e86\u6ce8\u518c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">window<\/span><span class=\"p\">.<\/span><span class=\"nf\">addEventListener<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">beforeunload<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">e<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">e<\/span><span class=\"p\">.<\/span><span class=\"nf\">preventDefault<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"nx\">e<\/span><span class=\"p\">.<\/span><span class=\"nx\">returnValue<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">})<\/span>\r\n<\/code><\/pre>\n<p>\u5728Chrome\u6d4f\u89c8\u5668\u4e2d\uff0c\u4e0d\u4ec5\u9700\u8981\u8c03\u7528preventDefault\uff0c\u8fd8\u9700\u8981\u5c06\u5b57\u7b26\u4e32\u586b\u5145\u5230\u4e8b\u4ef6\u7684returnValue\u4e2d\u3002<br \/>\n\u5728\u5176\u4ed6\u6d4f\u89c8\u5668\u4e2d\uff0c\u9664\u4e86\u8c03\u7528preventDefault\u4e4b\u5916\uff0c\u901a\u5e38\u8fd8\u9700\u8981\u5c06\u5b57\u7b26\u4e32\u586b\u5145\u5230\u4e8b\u4ef6\u7684returnValue\u4e2d\uff0c\u6216\u5c06\u5b57\u7b26\u4e32\u4f5c\u4e3a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u7684\u8fd4\u56de\u503c\u4f20\u9012\uff0c\u4ee5\u907f\u514d\u786e\u8ba4\u5bf9\u8bdd\u6846\u7684\u663e\u793a\u3002<\/p>\n<h2>\u4f7f\u7528BeforeUnload<\/h2>\n<p>\u5728React\u4e2d\uff0c\u5f53\u9700\u8981\u4e0eReact\u4e4b\u5916\u7684\u7cfb\u7edf\u8fdb\u884c\u8fde\u63a5\u65f6\uff0c\u9700\u8981\u901a\u8fc7\u4f7f\u7528effect\u6765\u5b9e\u73b0\u3002window.addEventListener\u4e5f\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u4f8b\u5b50\uff0c\u901a\u5e38\u7684\u5b9e\u73b0\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nf\">useEffect<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nb\">window<\/span><span class=\"p\">.<\/span><span class=\"nf\">addEventListener<\/span><span class=\"p\">(<\/span><span class=\"nx\">eventName<\/span><span class=\"p\">,<\/span> <span class=\"nx\">handler<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"k\">return <\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nb\">window<\/span><span class=\"p\">.<\/span><span class=\"nf\">removeEventListener<\/span><span class=\"p\">(<\/span><span class=\"nx\">eventName<\/span><span class=\"p\">,<\/span> <span class=\"nx\">handler<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">},<\/span> <span class=\"p\">[]);<\/span>\r\n<\/code><\/pre>\n<p>React Router\u63d0\u4f9b\u4e86useBeforeUnloadAPI\u4f5c\u4e3a\u5728\u6ce8\u518c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u65f6\u7b80\u5316beforeunload\u5b9e\u73b0\u7684\u52a9\u624b\u3002\u5982\u679c\u60a8\u5e0c\u671b\u5728\u5378\u8f7d\u9875\u9762\u65f6\u663e\u793a\u786e\u8ba4\u5bf9\u8bdd\u6846\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u63cf\u8ff0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nf\">useBeforeUnload<\/span><span class=\"p\">(<\/span>\r\n  <span class=\"nf\">useCallback<\/span><span class=\"p\">((<\/span><span class=\"nx\">e<\/span><span class=\"p\">:<\/span> <span class=\"nx\">BeforeUnloadEvent<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">e<\/span><span class=\"p\">.<\/span><span class=\"nf\">preventDefault<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"nx\">e<\/span><span class=\"p\">.<\/span><span class=\"nx\">returnValue<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">},<\/span> <span class=\"p\">[<\/span><span class=\"nx\">state<\/span><span class=\"p\">]),<\/span>\r\n  <span class=\"p\">{<\/span> <span class=\"na\">capture<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u7b2c1\u4e2a\u53c2\u6570\u662f\u5fc5\u9700\u7684\uff0c\u7528\u4e8e\u6ce8\u518c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002\u6b64\u5904\u7406\u7a0b\u5e8f\u5fc5\u987b\u7528useCallback\u8fdb\u884c\u5305\u88c5\u3002<br \/>\n\u7b2c2\u4e2a\u53c2\u6570\u662f\u53ef\u9009\u7684\uff0c\u7528\u4e8e\u6307\u5b9a\u884c\u4e3a\u9009\u9879\u3002\u9009\u9879\u662f\u4e00\u4e2a\u4ee5capture\u4e3a\u952e\u7684\u5bf9\u8c61\u3002capture\u662f\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u5982\u679c\u4e3atrue\uff0c\u5219\u5728\u6355\u83b7\u9636\u6bb5\u89e6\u53d1\u4e8b\u4ef6\uff0c\u5982\u679c\u4e3afalse\uff0c\u5219\u5728\u5192\u6ce1\u9636\u6bb5\u89e6\u53d1\u3002<br \/>\n\u9ed8\u8ba4\u4e3afalse\uff0c\u56e0\u6b64\u5982\u679c\u8981\u5c06\u5176\u8bbe\u7f6e\u4e3atrue\uff0c\u5219\u9700\u8981\u6307\u5b9a\u7b2c2\u4e2a\u53c2\u6570\u7684\u7528\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ capture\u304ctrue\u306e\u5834\u5408<\/span>\r\n<span class=\"nf\">useBeforeUnload<\/span><span class=\"p\">(<\/span>\r\n  <span class=\"nf\">useCallback<\/span><span class=\"p\">((<\/span><span class=\"nx\">e<\/span><span class=\"p\">:<\/span> <span class=\"nx\">BeforeUnloadEvent<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">},<\/span> <span class=\"p\">[<\/span><span class=\"nx\">state<\/span><span class=\"p\">]),<\/span>\r\n  <span class=\"p\">{<\/span> <span class=\"na\">capture<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ capture\u304cfalse(\u30c7\u30d5\u30a9\u30eb\u30c8)\u306e\u5834\u5408<\/span>\r\n<span class=\"nf\">useBeforeUnload<\/span><span class=\"p\">(<\/span>\r\n  <span class=\"nf\">useCallback<\/span><span class=\"p\">((<\/span><span class=\"nx\">e<\/span><span class=\"p\">:<\/span> <span class=\"nx\">BeforeUnloadEvent<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">},<\/span> <span class=\"p\">[<\/span><span class=\"nx\">state<\/span><span class=\"p\">])<\/span>\r\n<span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u5b9e\u65bd\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"kd\">function<\/span> <span class=\"nf\">useBeforeUnload<\/span><span class=\"p\">(<\/span>\r\n  <span class=\"nx\">callback<\/span><span class=\"p\">:<\/span> <span class=\"p\">(<\/span><span class=\"nx\">event<\/span><span class=\"p\">:<\/span> <span class=\"nx\">BeforeUnloadEvent<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"kr\">any<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">options<\/span><span class=\"p\">?:<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">capture<\/span><span class=\"p\">?:<\/span> <span class=\"nx\">boolean<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"p\">):<\/span> <span class=\"k\">void<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">let<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">capture<\/span> <span class=\"p\">}<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">options<\/span> <span class=\"o\">||<\/span> <span class=\"p\">{};<\/span>\r\n  <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"nf\">useEffect<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">let<\/span> <span class=\"nx\">opts<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">capture<\/span> <span class=\"o\">!=<\/span> <span class=\"kc\">null<\/span> <span class=\"p\">?<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">capture<\/span> <span class=\"p\">}<\/span> <span class=\"p\">:<\/span> <span class=\"kc\">undefined<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nb\">window<\/span><span class=\"p\">.<\/span><span class=\"nf\">addEventListener<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">beforeunload<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">callback<\/span><span class=\"p\">,<\/span> <span class=\"nx\">opts<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">return <\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nb\">window<\/span><span class=\"p\">.<\/span><span class=\"nf\">removeEventListener<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">beforeunload<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">callback<\/span><span class=\"p\">,<\/span> <span class=\"nx\">opts<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">};<\/span>\r\n  <span class=\"p\">},<\/span> <span class=\"p\">[<\/span><span class=\"nx\">callback<\/span><span class=\"p\">,<\/span> <span class=\"nx\">capture<\/span><span class=\"p\">]);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u4ee3\u7801\u4f7f\u7528\u4e86\u5e38\u89c1\u7684\u4ee5\u6548\u679c\uff08effect\uff09\u4e3a\u57fa\u7840\u7684\u5199\u6cd5\u3002\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u4e4b\u6240\u4ee5\u9700\u8981\u7528useCallback\u5c06\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u5305\u88f9\u8d77\u6765\uff0c\u662f\u56e0\u4e3a\u5b83\u5728\u6548\u679c\uff08effect\uff09\u5185\u90e8\u4f7f\u7528\u4e86\u3002<\/p>\n<p>\u901a\u8fc7\u5c06\u5176\u4f5c\u4e3aAPI\u6765\u5212\u5206\uff0c\u53ef\u4ee5\u9690\u85cf\u5728\u6ce8\u518c\u4e8b\u4ef6\u5904\u7406\u5668\u65f6\u53ef\u80fd\u5f15\u8d77\u7684\u590d\u6742\u6027\uff0c\u6240\u4ee5\u6211\u8ba4\u4e3a\u5728\u4e0d\u4f7f\u7528React Router\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u5b9a\u4e49\u7c7b\u4f3c\u7684API\uff0c\u5c06\u4e8b\u4ef6\u5904\u7406\u5668\u7684\u6ce8\u518c\u62bd\u8c61\u6210\u901a\u7528\u5316\u7684API\u6765\u5b9e\u73b0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"kd\">function<\/span> <span class=\"nf\">useEventListener<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">K<\/span> <span class=\"kd\">extends<\/span> <span class=\"kr\">keyof<\/span> <span class=\"nx\">WindowEventMap<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span>\r\n  <span class=\"nx\">eventName<\/span><span class=\"p\">:<\/span> <span class=\"nx\">T<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">callback<\/span><span class=\"p\">:<\/span> <span class=\"p\">(<\/span><span class=\"nx\">event<\/span><span class=\"p\">:<\/span> <span class=\"nx\">WindowEventMap<\/span><span class=\"p\">[<\/span><span class=\"nx\">T<\/span><span class=\"p\">])<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">void<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">options<\/span><span class=\"p\">?:<\/span> <span class=\"nx\">boolean<\/span> <span class=\"o\">|<\/span> <span class=\"nx\">AddEventListenerOptions<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">):<\/span> <span class=\"k\">void<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">useEffect<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n<span class=\"nb\">window<\/span><span class=\"p\">.<\/span><span class=\"nf\">addEventListener<\/span><span class=\"p\">(<\/span><span class=\"nx\">eventName<\/span><span class=\"p\">,<\/span> <span class=\"nx\">callback<\/span><span class=\"p\">,<\/span> <span class=\"nx\">options<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"k\">return <\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nf\">windowremoveEventListener<\/span><span class=\"p\">(<\/span><span class=\"nx\">eventName<\/span><span class=\"p\">,<\/span> <span class=\"nx\">callback<\/span><span class=\"p\">,<\/span> <span class=\"nx\">options<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">};<\/span>\r\n  <span class=\"p\">},<\/span> <span class=\"p\">[<\/span><span class=\"nx\">eventName<\/span><span class=\"p\">,<\/span> <span class=\"nx\">handler<\/span><span class=\"p\">,<\/span> <span class=\"nx\">options<\/span><span class=\"p\">]);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u79bb\u5f00\u524d \u4e3a\u4e86\u5f39\u51fa\u7c7b\u4f3c\u4e0a\u8ff0\u7684\u786e\u8ba4\u5bf9\u8bdd\u6846\uff0c\u6211\u6309\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u4e86\u6ce8\u518c\u3002 window.addEventListener [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-38482","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>React Router \u7684 useBeforeUnload - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/react-router-\u7684-usebeforeunload\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"React Router \u7684 useBeforeUnload\" \/>\n<meta property=\"og:description\" content=\"\u79bb\u5f00\u524d \u4e3a\u4e86\u5f39\u51fa\u7c7b\u4f3c\u4e0a\u8ff0\u7684\u786e\u8ba4\u5bf9\u8bdd\u6846\uff0c\u6211\u6309\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u4e86\u6ce8\u518c\u3002 window.addEventListener [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/react-router-\u7684-usebeforeunload\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-06-24T18:22:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T03:58:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d348937434c4406c69271\/1-0.png\" \/>\n<meta name=\"author\" content=\"\u65b0, \u97f5\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u65b0, \u97f5\" \/>\n\t<meta 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