{"id":33147,"date":"2024-11-25T09:11:14","date_gmt":"2024-11-25T01:11:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/33147\/"},"modified":"2024-11-25T09:11:14","modified_gmt":"2024-11-25T01:11:14","slug":"%e5%b0%8f%e7%a8%8b%e5%ba%8f%e4%bd%bf%e7%94%a8%e5%87%bd%e6%95%b0%e8%8a%82%e6%b5%81%e8%a7%a3%e5%86%b3%e9%a1%b5%e9%9d%a2%e5%a4%9a%e6%ac%a1%e8%b7%b3%e8%bd%ac%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/33147\/","title":{"rendered":"\u5c0f\u7a0b\u5e8f\u4f7f\u7528\u51fd\u6570\u8282\u6d41\u89e3\u51b3\u9875\u9762\u591a\u6b21\u8df3\u8f6c\u95ee\u9898"},"content":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e0b\u5c0f\u7a0b\u5e8f\u4f7f\u7528\u51fd\u6570\u8282\u6d41\u89e3\u51b3\u9875\u9762\u591a\u6b21\u8df3\u8f6c\u95ee\u9898\u3002\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/024\/5eb0c0cdcbbf3426.jpg\" class=\"aligncenter\" title=\"\u5c0f\u7a0b\u5e8f\u4f7f\u7528\u51fd\u6570\u8282\u6d41\u89e3\u51b3\u9875\u9762\u591a\u6b21\u8df3\u8f6c\u95ee\u9898\u63d2\u56fe\" alt=\"\u5c0f\u7a0b\u5e8f\u4f7f\u7528\u51fd\u6570\u8282\u6d41\u89e3\u51b3\u9875\u9762\u591a\u6b21\u8df3\u8f6c\u95ee\u9898\u63d2\u56fe\" \/><\/p>\n<p>\u5728\u4f7f\u7528\u5c0f\u7a0b\u5e8f\u7684\u65f6\u5019\u4f1a\u51fa\u73b0\u8fd9\u6837\u4e00\u79cd\u60c5\u51b5\uff1a\u5f53\u7f51\u7edc\u6761\u4ef6\u5dee\u6216\u5361\u987f\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u8005\u4f1a\u8ba4\u4e3a\u70b9\u51fb\u65e0\u6548\u800c\u8fdb\u884c\u591a\u6b21\u70b9\u51fb\uff0c\u6700\u540e\u51fa\u73b0\u591a\u6b21\u8df3\u8f6c\u9875\u9762\u7684\u60c5\u51b5\uff0c\u8fd9\u4e2a\u95ee\u9898\u53ef\u4ee5\u901a\u8fc7<strong>JS\u4e2d\u7684\u51fd\u6570\u8282\u6d41<\/strong>\u548c\u51fd\u6570\u9632\u6296\u627e\u5230\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n<p>\u6839\u636e\u5b98\u65b9\u6587\u6863\u4ecb\u7ecd\uff0c\u51fd\u6570\u8282\u6d41\u5c31\u662f\u89c4\u5b9a\u4e00\u4e2a\u5355\u4f4d\u65f6\u95f4\uff0c\u5728\u8fd9\u4e2a\u5355\u4f4d\u65f6\u95f4\u5185\uff0c\u53ea\u80fd\u6709\u4e00\u6b21\u89e6\u53d1\u4e8b\u4ef6\u7684\u56de\u8c03\u51fd\u6570\u6267\u884c\uff0c\u5982\u679c\u5728\u540c\u4e00\u4e2a\u5355\u4f4d\u65f6\u95f4\u5185\u67d0\u4e8b\u4ef6\u88ab\u89e6\u53d1\u591a\u6b21\uff0c\u53ea\u6709\u4e00\u6b21\u80fd\u751f\u6548\u3002\u56e0\u6b64\u4fee\u6539.js\u6587\u4ef6\u5982\u4e0b\uff1a<\/p>\n<pre>function&nbsp;throttle(fn,&nbsp;gapTime)&nbsp;{\nif&nbsp;(gapTime&nbsp;==&nbsp;null||&nbsp;gapTime&nbsp;==&nbsp;undefined)&nbsp;{\ngapTime&nbsp;=&nbsp;1500\n}\nlet&nbsp;_lastTime&nbsp;=&nbsp;nullreturn&nbsp;function&nbsp;()&nbsp;{\nlet&nbsp;_nowTime&nbsp;=&nbsp;+new&nbsp;Date()\nif&nbsp;(_nowTime&nbsp;-_lastTime&nbsp;&amp;gt;&nbsp;gapTime&nbsp;||&nbsp;!_lastTime)&nbsp;{\nfn()\n_lastTime&nbsp;=_nowTime\n}\n}\n}\nmodule.exports&nbsp;=&nbsp;{\nthrottle:&nbsp;throttle\n}\n\/pages\/throttle\/throttle.wxml:\ntap\n\/pages\/throttle\/throttle.js\nconst&nbsp;util&nbsp;=&nbsp;require('..\/..\/utils\/util.js')\nPage({\ndata:&nbsp;{\ntext:&nbsp;'tomfriwel'\n},\nonLoad:&nbsp;function&nbsp;(options)&nbsp;{\n},\ntap:util.throttle(function&nbsp;(e)&nbsp;{\nconsole.log(this)\nconsole.log(e)\nconsole.log((newDate()).getSeconds())\n},&nbsp;1000)\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u6837\uff0c\u75af\u72c2\u70b9\u51fb\u6309\u94ae\u4e5f\u53ea\u4f1a1s\u89e6\u53d1\u4e00\u6b21\u3002<\/p>\n<p>\u4f46\u662f\u8fd9\u6837\u7684\u8bdd\u51fa\u73b0\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u5f53\u4f60\u60f3\u8981\u83b7\u53d6this.data\u5f97\u5230\u7684this\u662fundefined,&nbsp;\u6216\u8005\u60f3\u8981\u83b7\u53d6\u5fae\u4fe1\u7ec4\u4ef6button\u4f20\u9012\u7ed9\u70b9\u51fb\u51fd\u6570\u7684\u6570\u636ee\u4e5f\u662fundefined\uff0c\u6240\u4ee5throttle\u51fd\u6570\u8fd8\u9700\u8981\u505a\u4e00\u70b9\u5904\u7406\u6765\u4f7f\u5176\u80fd\u7528\u5728\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684\u9875\u9762js\u91cc\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/image\/865\/126\/496\/1588641849241388.jpg\" class=\"aligncenter\" title=\"\u5c0f\u7a0b\u5e8f\u4f7f\u7528\u51fd\u6570\u8282\u6d41\u89e3\u51b3\u9875\u9762\u591a\u6b21\u8df3\u8f6c\u95ee\u9898\u63d2\u56fe1\" alt=\"\u5c0f\u7a0b\u5e8f\u4f7f\u7528\u51fd\u6570\u8282\u6d41\u89e3\u51b3\u9875\u9762\u591a\u6b21\u8df3\u8f6c\u95ee\u9898\u63d2\u56fe1\" \/><\/p>\n<p>\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u7684\u539f\u56e0\u662fthrottle\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u65b0\u51fd\u6570\uff0c\u5df2\u7ecf\u4e0d\u662f\u6700\u521d\u7684\u51fd\u6570\u4e86\u3002\u65b0\u51fd\u6570\u5305\u88f9\u7740\u539f\u51fd\u6570\uff0c\u6240\u4ee5\u7ec4\u4ef6button\u4f20\u9012\u7684\u53c2\u6570\u662f\u5728\u65b0\u51fd\u6570\u91cc\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u628a\u8fd9\u4e9b\u53c2\u6570\u4f20\u9012\u7ed9\u771f\u6b63\u9700\u8981\u6267\u884c\u7684\u51fd\u6570fn\u3002<\/p>\n<p>\u6700\u540e\u7684throttle\u51fd\u6570\u5982\u4e0b\uff1a<\/p>\n<pre>function&nbsp;throttle(fn,&nbsp;gapTime)&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(gapTime&nbsp;==&nbsp;null||&nbsp;gapTime&nbsp;==&nbsp;undefined)&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;gapTime&nbsp;=&nbsp;1500\n&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;_lastTime&nbsp;=&nbsp;null\/\/&nbsp;\u8fd4\u56de\u65b0\u7684\u51fd\u6570&nbsp;return&nbsp;function&nbsp;()&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;_nowTime&nbsp;=&nbsp;+new&nbsp;Date()\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(_nowTime&nbsp;-_lastTime&nbsp;&amp;gt;&nbsp;gapTime&nbsp;||&nbsp;!_lastTime)&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fn.apply(this,&nbsp;arguments)&nbsp;&nbsp;&nbsp;\/\/\u5c06this\u548c\u53c2\u6570\u4f20\u7ed9\u539f\u51fd\u6570\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;_lastTime&nbsp;=_nowTime\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;}\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u518d\u6b21\u70b9\u51fb\u6309\u94aethis\u548ce\u90fd\u6709\u4e86\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/image\/549\/803\/359\/1588641894709803.jpg\" class=\"aligncenter\" title=\"\u5c0f\u7a0b\u5e8f\u4f7f\u7528\u51fd\u6570\u8282\u6d41\u89e3\u51b3\u9875\u9762\u591a\u6b21\u8df3\u8f6c\u95ee\u9898\u63d2\u56fe2\" alt=\"\u5c0f\u7a0b\u5e8f\u4f7f\u7528\u51fd\u6570\u8282\u6d41\u89e3\u51b3\u9875\u9762\u591a\u6b21\u8df3\u8f6c\u95ee\u9898\u63d2\u56fe2\" \/><\/p>\n<p>\u63a8\u8350\uff1a\u300a\u300b<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5c0f\u7a0b\u5e8f\u4f7f\u7528\u51fd\u6570\u8282\u6d41\u89e3\u51b3\u9875\u9762\u591a\u6b21\u8df3\u8f6c\u95ee\u9898\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e0b\u5c0f\u7a0b\u5e8f\u4f7f\u7528\u51fd\u6570\u8282\u6d41\u89e3\u51b3\u9875\u9762\u591a\u6b21\u8df3\u8f6c\u95ee\u9898\u3002\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\u3002 \u5728\u4f7f\u7528\u5c0f\u7a0b\u5e8f\u7684\u65f6\u5019\u4f1a\u51fa\u73b0\u8fd9\u6837\u4e00\u79cd\u60c5\u51b5\uff1a\u5f53\u7f51\u7edc\u6761\u4ef6\u5dee\u6216\u5361\u987f\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u8005\u4f1a\u8ba4\u4e3a\u70b9\u51fb\u65e0\u6548\u800c\u8fdb\u884c\u591a\u6b21\u70b9\u51fb\uff0c\u6700\u540e\u51fa\u73b0\u591a\u6b21\u8df3\u8f6c\u9875\u9762\u7684\u60c5\u51b5\uff0c\u8fd9\u4e2a\u95ee\u9898\u53ef\u4ee5\u901a\u8fc7JS\u4e2d\u7684\u51fd\u6570\u8282\u6d41\u548c\u51fd\u6570\u9632\u6296\u627e\u5230\u89e3\u51b3\u65b9\u6cd5\u3002 \u6839\u636e\u5b98\u65b9\u6587\u6863\u4ecb\u7ecd\uff0c\u51fd\u6570\u8282\u6d41\u5c31\u662f\u89c4\u5b9a\u4e00\u4e2a\u5355\u4f4d\u65f6\u95f4\uff0c\u5728\u8fd9\u4e2a\u5355\u4f4d\u65f6\u95f4\u5185\uff0c\u53ea\u80fd\u6709\u4e00\u6b21\u89e6\u53d1\u4e8b\u4ef6\u7684\u56de\u8c03\u51fd\u6570\u6267\u884c\uff0c\u5982\u679c\u5728\u540c\u4e00\u4e2a\u5355\u4f4d\u65f6\u95f4\u5185\u67d0\u4e8b\u4ef6\u88ab\u89e6\u53d1\u591a\u6b21\uff0c\u53ea\u6709\u4e00\u6b21\u80fd\u751f\u6548\u3002\u56e0\u6b64\u4fee\u6539.js\u6587\u4ef6\u5982\u4e0b\uff1a function&nbsp;throttle(fn,&nbsp;gapTime)&nbsp;{ if&nbsp;(gapTime&nbsp;==&nbsp;null||&nbsp;gapTime&nbsp;==&nbsp;undefined)&nbsp;{ gapTime&nbsp;=&nbsp;1500 } let&nbsp;_lastTime&nbsp;=&nbsp;nullreturn&nbsp;function&nbsp;()&nbsp;{ let&nbsp;_nowTime&nbsp;=&nbsp;+new&nbsp;Date() if&nbsp;(_nowTime&nbsp;-_lastTime&nbsp;&amp;gt;&nbsp;gapTime&nbsp;||&nbsp;!_lastTime)&nbsp;{ fn() _lastTime&nbsp;=_nowTime } } } module.exports&nbsp;=&nbsp;{ throttle:&nbsp;throttle } \/pages\/throttle\/throttle.wxml: tap \/pages\/throttle\/throttle.js const&nbsp;util&nbsp;=&nbsp;require(&#8216;..\/..\/utils\/util.js&#8217;) Page({ data:&nbsp;{ text:&nbsp;&#8216;tomfriwel&#8217; }, onLoad:&nbsp;function&nbsp;(options)&nbsp;{ }, tap:util.throttle(function&nbsp;(e)&nbsp;{ console.log(this) console.log(e) console.log((newDate()).getSeconds()) },&nbsp;1000) }) \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u6837\uff0c\u75af\u72c2\u70b9\u51fb\u6309\u94ae\u4e5f\u53ea\u4f1a1s\u89e6\u53d1\u4e00\u6b21\u3002 \u4f46\u662f\u8fd9\u6837\u7684\u8bdd\u51fa\u73b0\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u5f53\u4f60\u60f3\u8981\u83b7\u53d6this.data\u5f97\u5230\u7684this\u662fundefined,&nbsp;\u6216\u8005\u60f3\u8981\u83b7\u53d6\u5fae\u4fe1\u7ec4\u4ef6button\u4f20\u9012\u7ed9\u70b9\u51fb\u51fd\u6570\u7684\u6570\u636ee\u4e5f\u662fundefined\uff0c\u6240\u4ee5throttle\u51fd\u6570\u8fd8\u9700\u8981\u505a\u4e00\u70b9\u5904\u7406\u6765\u4f7f\u5176\u80fd\u7528\u5728\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684\u9875\u9762js\u91cc\u3002 \u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u7684\u539f\u56e0\u662fthrottle\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u65b0\u51fd\u6570\uff0c\u5df2\u7ecf\u4e0d\u662f\u6700\u521d\u7684\u51fd\u6570\u4e86\u3002\u65b0\u51fd\u6570\u5305\u88f9\u7740\u539f\u51fd\u6570\uff0c\u6240\u4ee5\u7ec4\u4ef6button\u4f20\u9012\u7684\u53c2\u6570\u662f\u5728\u65b0\u51fd\u6570\u91cc\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u628a\u8fd9\u4e9b\u53c2\u6570\u4f20\u9012\u7ed9\u771f\u6b63\u9700\u8981\u6267\u884c\u7684\u51fd\u6570fn\u3002 \u6700\u540e\u7684throttle\u51fd\u6570\u5982\u4e0b\uff1a function&nbsp;throttle(fn,&nbsp;gapTime)&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(gapTime&nbsp;==&nbsp;null||&nbsp;gapTime&nbsp;==&nbsp;undefined)&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;gapTime&nbsp;=&nbsp;1500 &nbsp;&nbsp;&nbsp;&nbsp;} &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;_lastTime&nbsp;=&nbsp;null\/\/&nbsp;\u8fd4\u56de\u65b0\u7684\u51fd\u6570&nbsp;return&nbsp;function&nbsp;()&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;_nowTime&nbsp;=&nbsp;+new&nbsp;Date() &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(_nowTime&nbsp;-_lastTime&nbsp;&amp;gt;&nbsp;gapTime&nbsp;||&nbsp;!_lastTime)&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fn.apply(this,&nbsp;arguments)&nbsp;&nbsp;&nbsp;\/\/\u5c06this\u548c\u53c2\u6570\u4f20\u7ed9\u539f\u51fd\u6570 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;_lastTime&nbsp;=_nowTime &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} &nbsp;&nbsp;&nbsp;&nbsp;} } \u767b\u5f55\u540e\u590d\u5236 \u518d\u6b21\u70b9\u51fb\u6309\u94aethis\u548ce\u90fd\u6709\u4e86\uff1a \u63a8\u8350\uff1a\u300a\u300b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-33147","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/33147","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=33147"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/33147\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=33147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=33147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=33147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}