{"id":469,"date":"2023-02-25T13:41:13","date_gmt":"2023-02-25T05:41:13","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=469"},"modified":"2023-04-29T20:56:00","modified_gmt":"2023-04-29T12:56:00","slug":"differences-between-localstorage-and-sessionstorage-in-h5","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/25\/differences-between-localstorage-and-sessionstorage-in-h5\/","title":{"rendered":"H5\u4e2dlocalStorage\u548csessionStorage\u533a\u522b"},"content":{"rendered":"<h2>\u57fa\u672c\u4ecb\u7ecd<\/h2>\n<p>localStorage\u548csessionStorage\u90fd\u662f\u7528\u6765\u5b58\u50a8\u5ba2\u6237\u7aef\u4e34\u65f6\u4fe1\u606f\u7684\u5bf9\u8c61\u3002\u53ea\u80fd\u5b58\u50a8\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u5bf9\u8c61\uff08\u867d\u7136\u89c4\u8303\u4e2d\u53ef\u4ee5\u5b58\u50a8\u5176\u4ed6\u539f\u751f\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u4f46\u662f\u76ee\u524d\u4e3a\u6b62\u6ca1\u6709\u6d4f\u89c8\u5668\u5bf9\u5176\u8fdb\u884c\u5b9e\u73b0\uff09\u3002<\/p>\n<p>localStorage\u751f\u547d\u5468\u671f\u662f\u6c38\u4e45\uff0c\u8fd9\u610f\u5473\u7740\u9664\u975e\u7528\u6237\u663e\u793a\u5728\u6d4f\u89c8\u5668\u63d0\u4f9b\u7684UI\u4e0a\u6e05\u9664localStorage\u4fe1\u606f\uff0c\u5426\u5219\u8fd9\u4e9b\u4fe1\u606f\u5c06\u6c38\u8fdc\u5b58\u5728\u3002<\/p>\n<p><!-- more --><\/p>\n<p>sessionStorage\u751f\u547d\u5468\u671f\u4e3a\u5f53\u524d\u7a97\u53e3\u6216\u6807\u7b7e\u9875\uff0c\u4e00\u65e6\u7a97\u53e3\u6216\u6807\u7b7e\u9875\u88ab\u6c38\u4e45\u5173\u95ed\uff0c\u90a3\u4e48\u6240\u6709\u901a\u8fc7sessionStorage\u5b58\u50a8\u7684\u6570\u636e\u4e5f\u5c31\u88ab\u6e05\u7a7a\u3002<\/p>\n<p>\u4e0d\u540c\u6d4f\u89c8\u5668\u65e0\u6cd5\u5171\u4eablocalStorage\u6216sessionStorage\u4e2d\u7684\u4fe1\u606f\u3002\u76f8\u540c\u6d4f\u89c8\u5668\u7684\u4e0d\u540c\u9875\u9762\u95f4\u53ef\u4ee5\u5171\u4eab\u76f8\u540c\u7684 localStorage\uff08\u9875\u9762\u5c5e\u4e8e\u76f8\u540c\u57df\u540d\u548c\u7aef\u53e3\uff09\uff0c\u4f46\u662f\u4e0d\u540c\u9875\u9762\u6216\u6807\u7b7e\u9875\u95f4\u65e0\u6cd5\u5171\u4eabsessionStorage\u7684\u4fe1\u606f\u3002\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9875\u9762\u53ca\u6807 \u7b7e\u9875\u4ec5\u6307\u9876\u7ea7\u7a97\u53e3\uff0c\u5982\u679c\u4e00\u4e2a\u6807\u7b7e\u9875\u5305\u542b\u591a\u4e2aiframe\u6807\u7b7e\u4e14\u4ed6\u4eec\u5c5e\u4e8e\u540c\u6e90\u9875\u9762\uff0c\u90a3\u4e48\u4ed6\u4eec\u4e4b\u95f4\u662f\u53ef\u4ee5\u5171\u4eabsessionStorage\u7684\u3002<\/p>\n<p>\u540c\u6e90\u7684\u5224\u65ad\u89c4\u5219\uff1a<\/p>\n<ul>\n<li><a target=\"_blank\" rel=\"noopener\" href=\"http:\/\/www.appblog.cn\">http:\/\/www.appblog.cn<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.appblog.cn\">https:\/\/www.appblog.cn<\/a> \uff08\u4e0d\u540c\u6e90\uff0c\u56e0\u4e3a\u534f\u8bae\u4e0d\u540c\uff09<\/li>\n<li><a target=\"_blank\" rel=\"noopener\" href=\"http:\/\/my.appblog.cn\">http:\/\/my.appblog.cn<\/a> \uff08\u4e0d\u540c\u6e90\uff0c\u56e0\u4e3a\u4e3b\u673a\u540d\u4e0d\u540c\uff09<\/li>\n<li><a target=\"_blank\" rel=\"noopener\" href=\"http:\/\/www.appblog.cn:8080\">http:\/\/www.appblog.cn:8080<\/a> \uff08\u4e0d\u540c\u6e90\uff0c\u56e0\u4e3a\u7aef\u53e3\u4e0d\u540c\uff09<\/li>\n<\/ul>\n<h2>\u57fa\u672c\u4f7f\u7528<\/h2>\n<p>localStorage\u548csessionStorage\u4f7f\u7528\u65f6\u4f7f\u7528\u76f8\u540c\u7684API\uff1a<\/p>\n<pre><code class=\"language-javascript\">localStorage.setItem(&quot;key&quot;, &quot;value&quot;); \/\/\u4ee5\u201ckey\u201d\u4e3a\u540d\u79f0\u5b58\u50a8\u4e00\u4e2a\u503c\u201cvalue\u201d\nlocalStorage.getItem(&quot;key&quot;); \/\/\u83b7\u53d6\u540d\u79f0\u4e3a\u201ckey\u201d\u7684\u503c\n\nsessionStorage.setItem(&quot;key&quot;, &quot;value&quot;);\nsessionStorage.getItem(&quot;key&quot;);<\/code><\/pre>\n<p>\u904d\u5386localStorage\u7684\u65b9\u6cd5\uff1a<\/p>\n<pre><code class=\"language-javascript\">for (var i=0; i&lt;localStorage.length; i++) {\n  var name = localStorage.key(i);\n  var value = localStorage.getItem(name);\n}<\/code><\/pre>\n<p>\u5220\u9664localStorage\u4e2d\u5b58\u50a8\u4fe1\u606f\u7684\u65b9\u6cd5\uff1a<\/p>\n<pre><code class=\"language-javascript\">localStorage.removeItem(&quot;key&quot;); \/\/\u5220\u9664\u540d\u79f0\u4e3a\u201ckey\u201d\u7684\u4fe1\u606f\n\nlocalStorage.clear(); \/\/\u6e05\u7a7alocalStorage\u4e2d\u6240\u6709\u4fe1\u606f<\/code><\/pre>\n<p>\u901a\u8fc7getItem\u6216\u76f4\u63a5\u4f7f\u7528localStorage[&quot;key&quot;]\u83b7\u53d6\u5230\u7684\u4fe1\u606f\u5747\u4e3a\u5b9e\u9645\u5b58\u50a8\u7684\u526f\u672c\uff1a<\/p>\n<pre><code class=\"language-javascript\">localStorage.key = {value1:&quot;value1&quot;};\n\nlocalStorage.key.value1 = &#039;a&#039;;<\/code><\/pre>\n<p>\u8fd9\u91cc\u662f\u65e0\u6cd5\u5bf9\u5b9e\u9645\u5b58\u50a8\u7684\u503c\u4ea7\u751f\u4f5c\u7528\uff0c\u4e0b\u9762\u7684\u5199\u6cd5\u4e5f\u4e0d\u53ef\u4ee5\uff1a<\/p>\n<pre><code class=\"language-javascript\">localStorage.getItem(&quot;key&quot;).value1 = &quot;a&quot;;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u672c\u4ecb\u7ecd localStorage\u548csessionStorage\u90fd\u662f\u7528\u6765\u5b58\u50a8\u5ba2\u6237\u7aef\u4e34\u65f6\u4fe1\u606f\u7684\u5bf9\u8c61\u3002\u53ea\u80fd\u5b58\u50a8\u5b57\u7b26 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[159],"class_list":["post-469","post","type-post","status-publish","format-standard","hentry","category-frontend-basic","tag-h5"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/469","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=469"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/469\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}