{"id":10205,"date":"2023-11-28T21:29:17","date_gmt":"2023-11-28T13:29:17","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10205"},"modified":"2023-11-30T19:01:07","modified_gmt":"2023-11-30T11:01:07","slug":"javascript-zhong-shou-dong-shi-xian-huan-cun-fang","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/javascript-zhong-shou-dong-shi-xian-huan-cun-fang\/","title":{"rendered":"JavaScript \u4e2d\u624b\u52a8\u5b9e\u73b0\u7f13\u5b58\u65b9\u6cd5\uff1f"},"content":{"rendered":"<p>JavaScript \u4e2d\u624b\u52a8\u5b9e\u73b0\u7f13\u5b58\u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8c61\u3001Map\u3001\u53d8\u91cf\u6216\u81ea\u5b9a\u4e49\u51fd\u6570\u6765\u5b9e\u73b0\u3002\u8fd9\u91cc\u4e3e\u4f8b\u5c55\u793a\u4f7f\u7528\u5bf9\u8c61\u548c\u95ed\u5305\u6765\u624b\u52a8\u5b9e\u73b0\u7b80\u5355\u7684\u7f13\u5b58\u529f\u80fd\uff1a<\/p>\n<h3><a id=\"%E4%BD%BF%E7%94%A8%E5%AF%B9%E8%B1%A1%E5%AE%9E%E7%8E%B0%E7%BC%93%E5%AD%98%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f7f\u7528\u5bf9\u8c61\u5b9e\u73b0\u7f13\u5b58\uff1a<\/h3>\n<pre><code class=\"language-javascript\">\/\/ \u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61\u4f5c\u4e3a\u7f13\u5b58\u5b58\u50a8\u6570\u636e\nconst cache = {};\n\nfunction addToCache(key, value) {\n  \/\/ \u5c06\u6570\u636e\u5b58\u50a8\u5230\u7f13\u5b58\u5bf9\u8c61\u4e2d\n  cache[key] = value;\n}\n\nfunction getFromCache(key) {\n  \/\/ \u4ece\u7f13\u5b58\u5bf9\u8c61\u4e2d\u83b7\u53d6\u6570\u636e\n  return cache[key];\n}\n\n\/\/ \u4f7f\u7528\u793a\u4f8b\naddToCache('name', 'John');\nconsole.log(getFromCache('name')); \/\/ \u8f93\u51fa\uff1aJohn\n<\/code><\/pre>\n<h3><a id=\"%E4%BD%BF%E7%94%A8%E9%97%AD%E5%8C%85%E5%AE%9E%E7%8E%B0%E7%BC%93%E5%AD%98%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f7f\u7528\u95ed\u5305\u5b9e\u73b0\u7f13\u5b58\uff1a<\/h3>\n<pre><code class=\"language-javascript\">function createCache() {\n  const cache = {}; \/\/ \u7f13\u5b58\u5bf9\u8c61\n\n  return {\n    addToCache: function(key, value) {\n      \/\/ \u5b58\u50a8\u6570\u636e\u5230\u95ed\u5305\u5185\u7684\u7f13\u5b58\u5bf9\u8c61\u4e2d\n      cache[key] = value;\n    },\n    getFromCache: function(key) {\n      \/\/ \u4ece\u95ed\u5305\u5185\u7684\u7f13\u5b58\u5bf9\u8c61\u4e2d\u83b7\u53d6\u6570\u636e\n      return cache[key];\n    }\n  };\n}\n\n\/\/ \u521b\u5efa\u4e00\u4e2a\u7f13\u5b58\u5b9e\u4f8b\nconst myCache = createCache();\n\n\/\/ \u4f7f\u7528\u793a\u4f8b\nmyCache.addToCache('name', 'Alice');\nconsole.log(myCache.getFromCache('name')); \/\/ \u8f93\u51fa\uff1aAlice\n<\/code><\/pre>\n<p>\u8fd9\u4e9b\u793a\u4f8b\u6f14\u793a\u4e86\u624b\u52a8\u5b9e\u73b0\u7f13\u5b58\u7684\u4e24\u79cd\u65b9\u5f0f\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u65b9\u5f0f\uff0c\u5c06\u6570\u636e\u5b58\u50a8\u5728\u5bf9\u8c61\u3001Map\u3001\u95ed\u5305\u4e2d\uff0c\u5e76\u5b9e\u73b0\u76f8\u5e94\u7684\u65b9\u6cd5\u6765\u6dfb\u52a0\u3001\u83b7\u53d6\u548c\u7ba1\u7406\u7f13\u5b58\u6570\u636e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript \u4e2d\u624b\u52a8\u5b9e\u73b0\u7f13\u5b58\u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8c61\u3001Map\u3001\u53d8\u91cf\u6216\u81ea\u5b9a\u4e49\u51fd\u6570\u6765\u5b9e\u73b0\u3002\u8fd9\u91cc\u4e3e\u4f8b\u5c55\u793a\u4f7f\u7528\u5bf9\u8c61\u548c\u95ed [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[115],"tags":[],"class_list":["post-10205","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=10205"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10205\/revisions"}],"predecessor-version":[{"id":13664,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10205\/revisions\/13664"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10205"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}