{"id":53241,"date":"2024-12-03T12:53:26","date_gmt":"2024-12-03T04:53:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/53241\/"},"modified":"2024-12-03T12:53:26","modified_gmt":"2024-12-03T04:53:26","slug":"%e6%9e%84%e9%80%a0%e5%87%bd%e6%95%b0%e4%b8%ad%e4%bd%bf%e7%94%a8-setinterval-%e9%81%87%e5%88%b0-this-%e6%8c%87%e5%90%91%e9%97%ae%e9%a2%98%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3-setinterval-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/53241\/","title":{"rendered":"\u6784\u9020\u51fd\u6570\u4e2d\u4f7f\u7528 setInterval \u9047\u5230 this \u6307\u5411\u95ee\u9898\uff1a\u5982\u4f55\u89e3\u51b3 setInterval \u53ea\u80fd\u6267\u884c\u4e00\u6b21\u7684\u95ee\u9898\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u6784\u9020\u51fd\u6570\u4e2d\u4f7f\u7528 setInterval \u9047\u5230 this \u6307\u5411\u95ee\u9898\uff1a\u5982\u4f55\u89e3\u51b3 setInterval \u53ea\u80fd\u6267\u884c\u4e00\u6b21\u7684\u95ee\u9898\uff1f<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u6784\u9020\u51fd\u6570\u4e2d\u4f7f\u7528 setInterval \u9047\u5230 this \u6307\u5411\u95ee\u9898\uff1a\u5982\u4f55\u89e3\u51b3 setInterval \u53ea\u80fd\u6267\u884c\u4e00\u6b21\u7684\u95ee\u9898\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241128\/17327714876747fe9f0c9b1.jpg\" class=\"aligncenter\" title=\"\u6784\u9020\u51fd\u6570\u4e2d\u4f7f\u7528 setInterval \u9047\u5230 this \u6307\u5411\u95ee\u9898\uff1a\u5982\u4f55\u89e3\u51b3 setInterval \u53ea\u80fd\u6267\u884c\u4e00\u6b21\u7684\u95ee\u9898\uff1f\u63d2\u56fe\" alt=\"\u6784\u9020\u51fd\u6570\u4e2d\u4f7f\u7528 setInterval \u9047\u5230 this \u6307\u5411\u95ee\u9898\uff1a\u5982\u4f55\u89e3\u51b3 setInterval \u53ea\u80fd\u6267\u884c\u4e00\u6b21\u7684\u95ee\u9898\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u6784\u9020\u51fd\u6570\u4e2d\u4f7f\u7528 setinterval \u9047\u5230this\u6307\u5411\u95ee\u9898<\/strong><\/p>\n<p>\u5728\u6784\u9020\u51fd\u6570\u4e2d\u4f7f\u7528 setinterval \u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230 this \u6307\u5411\u7684\u95ee\u9898\uff0c\u5bfc\u81f4 setinterval \u53ea\u80fd\u6267\u884c\u4e00\u6b21\u3002<\/p>\n<p><strong>\u95ee\u9898\u8be6\u89e3<\/strong><\/p>\n<p>\u56fe\u7247\u52a0\u8f7d\u8fdb\u5ea6\u6761\u7684\u6784\u9020\u51fd\u6570\u4e2d\u6709\u4e00\u4e2a circle \u65b9\u6cd5\uff0c\u7531 settimeout \u8c03\u7528\u3002\u7531\u4e8e setinterval \u4e2d\u7684 this \u6307\u5411\u4e0d\u660e\u786e\uff0c\u5bfc\u81f4 circle \u65b9\u6cd5\u4e2d\u7684 this \u6307\u5411\u4e86 window \u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u6784\u9020\u51fd\u6570\u5b9e\u4f8b\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n<p>\u6709\u4e24\u79cd\u89e3\u51b3\u529e\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 bind \u65b9\u6cd5<\/strong><\/p>\n<pre>_this.circle.bind(this); \/\/ _this \u4e3a\u6784\u9020\u51fd\u6570\u5b9e\u4f8b<\/pre>\n<p><strong>2. \u4f7f\u7528\u7bad\u5934\u51fd\u6570<\/strong><\/p>\n<pre>setInterval(() =&gt; {\n  _this.circle(); \/\/ _this \u4e3a\u6784\u9020\u51fd\u6570\u5b9e\u4f8b\n});<\/pre>\n<p>\u901a\u8fc7\u7ed1\u5b9a this \u6216\u4f7f\u7528\u7bad\u5934\u51fd\u6570\uff0c\u53ef\u4ee5\u786e\u4fdd circle \u65b9\u6cd5\u4e2d\u7684 this \u6307\u5411\u6b63\u786e\u7684\u6784\u9020\u51fd\u6570\u5b9e\u4f8b\uff0c\u4ece\u800c\u89e3\u51b3 setinterval \u53ea\u80fd\u6267\u884c\u4e00\u6b21\u7684\u95ee\u9898\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   \u624b\u63d0\u7535\u8111\u52a0\u5185\u5b58\u6761\u540e\u5361\u6709\u4ec0\u4e48\u5371\u5bb3\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u6784\u9020\u51fd\u6570\u4e2d\u4f7f\u7528 setInterval \u9047\u5230 this \u6307\u5411\u95ee\u9898\uff1a\u5982\u4f55\u89e3\u51b3 setInterval \u53ea\u80fd\u6267\u884c\u4e00\u6b21\u7684\u95ee\u9898\uff1f \u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\u300a\u6784\u9020\u51fd\u6570\u4e2d\u4f7f\u7528 setInterval \u9047\u5230 this \u6307\u5411\u95ee\u9898\uff1a\u5982\u4f55\u89e3\u51b3 setInterval \u53ea\u80fd\u6267\u884c\u4e00\u6b21\u7684\u95ee\u9898\uff1f\u300b\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01 \u6784\u9020\u51fd\u6570\u4e2d\u4f7f\u7528 setinterval \u9047\u5230this\u6307\u5411\u95ee\u9898 \u5728\u6784\u9020\u51fd\u6570\u4e2d\u4f7f\u7528 setinterval \u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230 this \u6307\u5411\u7684\u95ee\u9898\uff0c\u5bfc\u81f4 setinterval \u53ea\u80fd\u6267\u884c\u4e00\u6b21\u3002 \u95ee\u9898\u8be6\u89e3 \u56fe\u7247\u52a0\u8f7d\u8fdb\u5ea6\u6761\u7684\u6784\u9020\u51fd\u6570\u4e2d\u6709\u4e00\u4e2a circle \u65b9\u6cd5\uff0c\u7531 settimeout \u8c03\u7528\u3002\u7531\u4e8e setinterval \u4e2d\u7684 this \u6307\u5411\u4e0d\u660e\u786e\uff0c\u5bfc\u81f4 circle \u65b9\u6cd5\u4e2d\u7684 this \u6307\u5411\u4e86 window \u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u6784\u9020\u51fd\u6570\u5b9e\u4f8b\u3002 \u89e3\u51b3\u65b9\u6848 \u6709\u4e24\u79cd\u89e3\u51b3\u529e\u6cd5\uff1a 1. \u4f7f\u7528 bind \u65b9\u6cd5 _this.circle.bind(this); \/\/ _this \u4e3a\u6784\u9020\u51fd\u6570\u5b9e\u4f8b 2. \u4f7f\u7528\u7bad\u5934\u51fd\u6570 setInterval(() =&gt; { [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-53241","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=53241"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53241\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=53241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=53241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=53241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}