{"id":1967,"date":"2025-02-23T14:53:28","date_gmt":"2025-02-23T06:53:28","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1967"},"modified":"2025-02-23T14:53:28","modified_gmt":"2025-02-23T06:53:28","slug":"html5-web-%e5%ad%98%e5%82%a8","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/23\/html5-web-%e5%ad%98%e5%82%a8\/","title":{"rendered":"HTML5 Web \u5b58\u50a8"},"content":{"rendered":"\n<p>HTML5 Web \u5b58\u50a8\u662f HTML5 \u5f15\u5165\u7684\u4e00\u9879\u5f3a\u5927\u529f\u80fd\uff0c\u5b83\u4e3a web \u5e94\u7528\u63d0\u4f9b\u4e86\u5728\u5ba2\u6237\u7aef\uff08\u6d4f\u89c8\u5668\uff09\u4e2d\u5b58\u50a8\u6570\u636e\u7684\u80fd\u529b\uff0c\u5141\u8bb8\u5728\u4e0d\u9700\u8981\u670d\u52a1\u5668\u7684\u60c5\u51b5\u4e0b\u5728\u6d4f\u89c8\u5668\u7aef\u5b58\u50a8\u548c\u8bbf\u95ee\u6570\u636e\u3002Web \u5b58\u50a8\u63d0\u4f9b\u4e86\u6bd4\u4f20\u7edf\u7684 cookie \u66f4\u5927\u7684\u5b58\u50a8\u7a7a\u95f4\uff0c\u5e76\u4e14\u66f4\u6613\u4e8e\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>Web \u5b58\u50a8\u4e3b\u8981\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>localStorage<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>localStorage<\/strong> \u63d0\u4f9b\u4e86\u4e00\u4e2a\u6301\u4e45\u5316\u5b58\u50a8\u673a\u5236\uff0c\u6570\u636e\u4fdd\u5b58\u5728\u6d4f\u89c8\u5668\u4e2d\uff0c\u5e76\u4e14\u5373\u4f7f\u7528\u6237\u5173\u95ed\u6d4f\u89c8\u5668\u540e\u6570\u636e\u4f9d\u7136\u5b58\u5728\uff0c\u9664\u975e\u7528\u6237\u624b\u52a8\u6e05\u9664\u6d4f\u89c8\u5668\u7f13\u5b58\u3002<\/li>\n\n\n\n<li>\u5b83\u9002\u5408\u5b58\u50a8\u5c11\u91cf\u7684\u3001\u9700\u8981\u957f\u671f\u4fdd\u5b58\u7684\u6570\u636e\uff08\u4f8b\u5982\u7528\u6237\u8bbe\u7f6e\u3001\u9996\u9009\u9879\u3001\u5e94\u7528\u72b6\u6001\u7b49\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u7279\u70b9\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u636e\u5b58\u50a8\u6ca1\u6709\u8fc7\u671f\u65f6\u95f4\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u5b58\u50a8\u5728\u6d4f\u89c8\u5668\u7684 localStorage \u4e2d\uff0c\u6570\u636e\u4e0d\u4f1a\u81ea\u52a8\u8fc7\u671f\u3002<\/li>\n\n\n\n<li>\u5b58\u50a8\u7684\u6570\u636e\u5927\u5c0f\u901a\u5e38\u5728 5MB \u5de6\u53f3\uff0c\u5177\u4f53\u5927\u5c0f\u4f9d\u8d56\u4e8e\u6d4f\u89c8\u5668\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f7f\u7528\u793a\u4f8b\uff1a<\/h4>\n\n\n\n<p><strong>\u5b58\u50a8\u6570\u636e\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>localStorage.setItem('username', 'JohnDoe');\nlocalStorage.setItem('age', '30');<\/code><\/pre>\n\n\n\n<p><strong>\u83b7\u53d6\u6570\u636e\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var username = localStorage.getItem('username');\nvar age = localStorage.getItem('age');\nconsole.log(username); \/\/ \u8f93\u51fa: JohnDoe\nconsole.log(age);      \/\/ \u8f93\u51fa: 30<\/code><\/pre>\n\n\n\n<p><strong>\u5220\u9664\u6570\u636e\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>localStorage.removeItem('username');<\/code><\/pre>\n\n\n\n<p><strong>\u6e05\u7a7a\u6240\u6709\u6570\u636e\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>localStorage.clear();<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>sessionStorage<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>sessionStorage<\/strong> \u63d0\u4f9b\u4e86\u4e00\u4e2a\u4e34\u65f6\u5b58\u50a8\u673a\u5236\uff0c\u6570\u636e\u4ec5\u5728\u6d4f\u89c8\u5668\u4f1a\u8bdd\u671f\u95f4\u6709\u6548\u3002\u5f53\u6d4f\u89c8\u5668\u7a97\u53e3\u6216\u6807\u7b7e\u9875\u5173\u95ed\u65f6\uff0c\u5b58\u50a8\u7684\u6570\u636e\u4f1a\u88ab\u6e05\u9664\u3002<\/li>\n\n\n\n<li>\u5b83\u9002\u7528\u4e8e\u5b58\u50a8\u4ec5\u5728\u5f53\u524d\u4f1a\u8bdd\u4e2d\u9700\u8981\u7684\u6570\u636e\uff0c\u4f8b\u5982\u7528\u6237\u5728\u4e00\u4e2a\u9875\u9762\u4e2d\u7684\u4e34\u65f6\u8868\u5355\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u7279\u70b9\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u636e\u5b58\u50a8\u5728\u6d4f\u89c8\u5668\u7684 sessionStorage \u4e2d\uff0c\u4f1a\u8bdd\u7ed3\u675f\uff08\u5373\u5173\u95ed\u6d4f\u89c8\u5668\u7a97\u53e3\u6216\u6807\u7b7e\u9875\uff09\u65f6\u6570\u636e\u88ab\u5220\u9664\u3002<\/li>\n\n\n\n<li>\u5b58\u50a8\u7684\u6570\u636e\u5927\u5c0f\u901a\u5e38\u5728 5MB \u5de6\u53f3\uff0c\u5177\u4f53\u5927\u5c0f\u4f9d\u8d56\u4e8e\u6d4f\u89c8\u5668\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f7f\u7528\u793a\u4f8b\uff1a<\/h4>\n\n\n\n<p><strong>\u5b58\u50a8\u6570\u636e\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sessionStorage.setItem('sessionKey', 'sessionValue');<\/code><\/pre>\n\n\n\n<p><strong>\u83b7\u53d6\u6570\u636e\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var sessionData = sessionStorage.getItem('sessionKey');\nconsole.log(sessionData); \/\/ \u8f93\u51fa: sessionValue<\/code><\/pre>\n\n\n\n<p><strong>\u5220\u9664\u6570\u636e\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sessionStorage.removeItem('sessionKey');<\/code><\/pre>\n\n\n\n<p><strong>\u6e05\u7a7a\u6240\u6709\u6570\u636e\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sessionStorage.clear();<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Web \u5b58\u50a8\u7684\u4f18\u70b9\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b58\u50a8\u5bb9\u91cf\u5927\uff1a<\/strong> localStorage \u548c sessionStorage \u63d0\u4f9b\u7684\u5b58\u50a8\u7a7a\u95f4\u6bd4 cookie \u5927\u5f97\u591a\uff08\u901a\u5e38\u662f 5MB\uff09\u3002<\/li>\n\n\n\n<li><strong>\u7b80\u5355\u6613\u7528\uff1a<\/strong> \u4f7f\u7528 JavaScript \u7684 <code>setItem()<\/code>, <code>getItem()<\/code>, <code>removeItem()<\/code> \u548c <code>clear()<\/code> \u65b9\u6cd5\u8fdb\u884c\u64cd\u4f5c\uff0c\u6bd4 cookie \u7684\u8bfb\u5199\u64cd\u4f5c\u66f4\u52a0\u7b80\u6d01\u548c\u76f4\u63a5\u3002<\/li>\n\n\n\n<li><strong>\u65e0\u7f51\u7edc\u8bf7\u6c42\uff1a<\/strong> Web \u5b58\u50a8\u7684\u6570\u636e\u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\uff0c\u8bbf\u95ee\u65f6\u4e0d\u9700\u8981\u4e0e\u670d\u52a1\u5668\u4ea4\u4e92\uff0c\u8fd9\u80fd\u51cf\u5c11\u7f51\u7edc\u8bf7\u6c42\uff0c\u63d0\u9ad8\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528\u573a\u666f\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>localStorage\uff1a<\/strong><\/li>\n\n\n\n<li>\u5b58\u50a8\u7528\u6237\u7684\u767b\u5f55\u72b6\u6001\u3001\u4e3b\u9898\u504f\u597d\u3001\u8bed\u8a00\u8bbe\u7f6e\u7b49\u3002<\/li>\n\n\n\n<li>\u5b58\u50a8\u7528\u6237\u7684\u672c\u5730\u7f13\u5b58\u6570\u636e\uff0c\u51cf\u5c11\u670d\u52a1\u5668\u8bf7\u6c42\u3002<\/li>\n\n\n\n<li><strong>sessionStorage\uff1a<\/strong><\/li>\n\n\n\n<li>\u5b58\u50a8\u7528\u6237\u5728\u5f53\u524d\u4f1a\u8bdd\u4e2d\u7684\u8868\u5355\u6570\u636e\u3001\u4e34\u65f6\u6570\u636e\u7b49\u3002<\/li>\n\n\n\n<li>\u5728\u9875\u9762\u8df3\u8f6c\u65f6\u4fdd\u6301\u72b6\u6001\uff0c\u4f46\u4e0d\u9700\u8981\u8de8\u4f1a\u8bdd\u6301\u4e45\u4fdd\u5b58\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Web \u5b58\u50a8\u7684\u9650\u5236\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b89\u5168\u6027\u95ee\u9898\uff1a<\/strong> \u6570\u636e\u5b58\u50a8\u5728\u5ba2\u6237\u7aef\uff0c\u5bb9\u6613\u88ab JavaScript \u8bbf\u95ee\uff0c\u56e0\u6b64\u5e94\u907f\u514d\u5b58\u50a8\u654f\u611f\u4fe1\u606f\uff08\u4f8b\u5982\u5bc6\u7801\u6216\u4fe1\u7528\u5361\u53f7\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5b58\u50a8\u5927\u5c0f\u9650\u5236\uff1a<\/strong> \u5404\u6d4f\u89c8\u5668\u5bf9\u5b58\u50a8\u5927\u5c0f\u6709\u9650\u5236\uff0c\u867d\u7136\u5927\u591a\u6570\u6d4f\u89c8\u5668\u5141\u8bb8\u6bcf\u4e2a\u57df\u540d\u5b58\u50a8\u5927\u7ea6 5MB \u7684\u6570\u636e\uff0c\u4f46\u4e0d\u540c\u7684\u6d4f\u89c8\u5668\u53ef\u80fd\u4f1a\u6709\u4e0d\u540c\u7684\u5b9e\u73b0\u3002<\/li>\n\n\n\n<li><strong>\u6d4f\u89c8\u5668\u6e05\u9664\uff1a<\/strong> \u7528\u6237\u53ef\u4ee5\u624b\u52a8\u6e05\u9664\u6d4f\u89c8\u5668\u7f13\u5b58\u6216\u4f7f\u7528\u9690\u8eab\u6a21\u5f0f\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9e\u4f8b\uff1a\u4f7f\u7528 localStorage \u548c sessionStorage<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=\"en\"&gt;\n&lt;head&gt;\n    &lt;meta charset=\"UTF-8\"&gt;\n    &lt;meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"&gt;\n    &lt;title&gt;HTML5 Web Storage Example&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n    &lt;h2&gt;localStorage Example&lt;\/h2&gt;\n    &lt;button onclick=\"saveToLocalStorage()\"&gt;Save to localStorage&lt;\/button&gt;\n    &lt;button onclick=\"retrieveFromLocalStorage()\"&gt;Retrieve from localStorage&lt;\/button&gt;\n    &lt;button onclick=\"clearLocalStorage()\"&gt;Clear localStorage&lt;\/button&gt;\n\n    &lt;h2&gt;sessionStorage Example&lt;\/h2&gt;\n    &lt;button onclick=\"saveToSessionStorage()\"&gt;Save to sessionStorage&lt;\/button&gt;\n    &lt;button onclick=\"retrieveFromSessionStorage()\"&gt;Retrieve from sessionStorage&lt;\/button&gt;\n    &lt;button onclick=\"clearSessionStorage()\"&gt;Clear sessionStorage&lt;\/button&gt;\n\n    &lt;script&gt;\n        function saveToLocalStorage() {\n            localStorage.setItem('name', 'Alice');\n            localStorage.setItem('age', '25');\n            alert('Data saved to localStorage');\n        }\n\n        function retrieveFromLocalStorage() {\n            var name = localStorage.getItem('name');\n            var age = localStorage.getItem('age');\n            alert('Name: ' + name + ', Age: ' + age);\n        }\n\n        function clearLocalStorage() {\n            localStorage.clear();\n            alert('localStorage cleared');\n        }\n\n        function saveToSessionStorage() {\n            sessionStorage.setItem('sessionKey', 'sessionValue');\n            alert('Data saved to sessionStorage');\n        }\n\n        function retrieveFromSessionStorage() {\n            var sessionData = sessionStorage.getItem('sessionKey');\n            alert('Session Data: ' + sessionData);\n        }\n\n        function clearSessionStorage() {\n            sessionStorage.clear();\n            alert('sessionStorage cleared');\n        }\n    &lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u603b\u7ed3\uff1a<\/h3>\n\n\n\n<p>Web \u5b58\u50a8\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u4e14\u6709\u6548\u7684\u65b9\u5f0f\u6765\u5728\u5ba2\u6237\u7aef\u5b58\u50a8\u548c\u7ba1\u7406\u6570\u636e\u3002\u5b83\u9002\u7528\u4e8e\u8bb8\u591a Web \u5e94\u7528\u573a\u666f\uff0c\u53ef\u4ee5\u66ff\u4ee3\u4f20\u7edf\u7684 cookie \u6765\u5b58\u50a8\u66f4\u591a\u6570\u636e\uff0c\u63d0\u9ad8\u6027\u80fd\u5e76\u51cf\u5c11\u4e0e\u670d\u52a1\u5668\u7684\u4ea4\u4e92\u3002\u4f46\u5f00\u53d1\u8005\u9700\u8981\u8c28\u614e\u4f7f\u7528\uff0c\u907f\u514d\u5b58\u50a8\u654f\u611f\u4fe1\u606f\uff0c\u540c\u65f6\u4e86\u89e3\u6d4f\u89c8\u5668\u7684\u5b58\u50a8\u9650\u5236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>HTML5 Web \u5b58\u50a8\u662f HTML5 \u5f15\u5165\u7684\u4e00\u9879\u5f3a\u5927\u529f\u80fd\uff0c\u5b83\u4e3a web \u5e94\u7528\u63d0\u4f9b\u4e86\u5728\u5ba2\u6237\u7aef\uff08\u6d4f\u89c8\u5668\uff09\u4e2d\u5b58\u50a8\u6570 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[75],"tags":[],"class_list":["post-1967","post","type-post","status-publish","format-standard","hentry","category-html5"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1967","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=1967"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1967\/revisions"}],"predecessor-version":[{"id":1968,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1967\/revisions\/1968"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=1967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=1967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=1967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}