{"id":11097,"date":"2024-01-11T23:01:33","date_gmt":"2024-01-11T15:01:33","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11097"},"modified":"2024-01-11T23:01:33","modified_gmt":"2024-01-11T15:01:33","slug":"js-html-popover-dropdown","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2024\/01\/js-html-popover-dropdown\/","title":{"rendered":"\u65f6\u4ee3\u53d8\u4e86\uff0c\u8be5\u4f7f\u7528\u539f\u751fpopover\u5c5e\u6027\u6a21\u62df\u4e0b\u62c9\u4e86"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11097\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=11097<\/a> \u946b\u7a7a\u95f4-\u946b\u751f\u6d3b<br \/>\n\u672c\u6587\u6b22\u8fce\u5206\u4eab\u4e0e\u805a\u5408\uff0c\u5168\u6587\u8f6c\u8f7d\u5c31\u4e0d\u5fc5\u4e86\uff0c\u5c0a\u91cd\u7248\u6743\uff0c\u5708\u5b50\u5c31\u8fd9\u4e48\u5927\uff0c\u82e5\u6025\u7528\u53ef\u4ee5\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<p><script>window.wxShareImgUrl = 'https:\/\/www.zhangxinxu.com\/study\/image\/share\/202401-popover.png';<\/script><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/popover-select-cover.png\" width=\"480\" height=\"300\" alt=\"\u5c01\u9762\u56fe\" class=\"alignright clip  thumb size-medium\" \/><\/p>\n<h3>\u4e00\u3001\u4e8b\u52a1\u7e41\u5fd9\uff0c\u957f\u8bdd\u77ed\u8bf4<\/h3>\n<p>\u76ee\u524d\u4e3b\u6d41\u7684\u4e0b\u62c9\u5217\u8868\uff0c\u6216\u8005\u4e0b\u62c9\u9762\u677f\u7684\u5b9e\u73b0\u65b9\u5f0f\u90fd\u662f\u8fd9\u6837\u7684\u3002<\/p>\n<p>\u70b9\u51fb\u6309\u94ae\uff0c\u8ba9\u4e0b\u62c9\u5143\u7d20\u663e\u793a\uff0c\u7edd\u5bf9\u5b9a\u4f4d\uff0c\u540c\u65f6\u8bbe\u7f6e\u5c42\u7ea7\uff0c\u70b9\u51fb\u7a7a\u767d\u5904\uff0c\u9690\u85cf\u4e0b\u62c9\u5217\u8868\u3002<\/p>\n<p>\u5176\u4e2d\uff0c\u6bcf\u4e00\u6b65\u90fd\u9700\u8981JavaScript\u4ee3\u7801\u7684\u53c2\u4e0e\uff0c\u56e0\u6b64\uff0c\u4e00\u4e2a\u4e0b\u62c9\u7ec4\u4ef6\u7684JS\u4ee3\u7801\u91cf\u8fd8\u662f\u4e0d\u5bb9\u5c0f\u89d1\u7684\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u6d4f\u89c8\u5668\u5df2\u7ecf\u652f\u6301\u539f\u751fpopover\u5c5e\u6027\uff0c\u4e0a\u9762\u8fd9\u79cd\u4e0b\u62c9\u5217\u8868\u5b9e\u73b0\u65b9\u5f0f\u53ef\u4ee5\u626b\u8fdb\u5783\u573e\u7bb1\u4e86\u3002\u6211\u53ef\u4ee5\u8fd9\u4e48\u8bf4\uff0c\u65e5\u540e\u4f7f\u7528popover\u5c5e\u6027\u5b9e\u73b0\u4e0b\u62c9\u6548\u679c\u4e00\u5b9a\u662f\u4e3b\u6d41\u5b9e\u73b0\u65b9\u6848\u3002<\/p>\n<p>\u56e0\u4e3a\u6709\u4e24\u4e2a\u597d\u5904\uff1a<\/p>\n<ol>\n<li>\u4ee3\u7801\u6781\u7b80\uff1b<\/li>\n<li>\u5c42\u7ea7\u9876\u7ea7\uff1b<\/li>\n<\/ol>\n<p>\u4f8b\u5982\u6709\u5982\u4e0b\u6240\u793a\u7684HTML\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;button popovertarget=\"imgBook\"&gt;\u70b9\u51fb\u663e\u793a\u56fe\u7247&lt;\/button&gt;\r\n&lt;img id=\"imgBook\" popover src=\"\/study\/202312\/book1.jpg\" \/&gt;<\/pre>\n<p>\u65e0\u9700\u4efb\u4f55JS\u4ee3\u7801\uff0c\u70b9\u51fb\u6309\u94ae\uff0c\u5c31\u53ef\u4ee5\u8ba9\u56fe\u7247\u663e\u793a\uff0c\u70b9\u51fb\u9875\u9762\u7a7a\u767d\u5904\uff0c\u56fe\u7247\u4f1a\u81ea\u52a8\u9690\u85cf\uff0c\u5b9e\u65f6\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n<div style=\"display:inline-block;padding:1rem;border:1px solid #ccc;background:#f5f5f5;\">\n  <button popovertarget=\"imgBook\">\u70b9\u51fb\u663e\u793a\u56fe\u7247<\/button><br \/>\n  <img decoding=\"async\" id=\"imgBook\" popover src=\"\/study\/202312\/book1.jpg\" style=\"position: fixed;display:revert;\" \/>\n<\/div>\n<p>\u8fd9\u5c31\u662f\u4e0a\u9762\u8bf4\u5230\u7684\u4ee3\u7801\u6781\u7b80\u3002<\/p>\n<p>\u81f3\u4e8e\u5c42\u7ea7\u9876\u7ea7\u3002<\/p>\n<p>\u8fd9\u662fWeb\u4e2d\u4e13\u6709\u7684\u4e00\u4e2a\u6982\u5ff5\uff0c\u79f0\u4e3atop-layer\uff0c\u5143\u7d20\u5168\u5c4f\uff0c\u6216\u8005<code>&lt;dialog&gt;<\/code>\u5bf9\u8bdd\u6846\u4f7f\u7528showModal()\u65b9\u6cd5\u663e\u793a\u7684\u65f6\u5019\uff0c\u90fd\u4f1a\u8868\u73b0\u4e3atop-layer\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/2024-01-11_215836.png\" width=\"247\" height=\"119\" alt=\"#top-layer\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u987e\u540d\u601d\u610f\u5c31\u662f\u5c42\u7ea7\u9876\u7ea7\uff0c\u9875\u9762\u4e2d\u4efb\u4f55\u5143\u7d20\u90fd\u65e0\u6cd5\u8986\u76d6\uff0c\u54ea\u6015z-index\u8bbe\u7f6e\u4e3a999999\u3002<\/p>\n<p>\u4e00\u4e2a\u9875\u9762\u53ef\u4ee5\u6709\u591a\u4e2a\u5c42\u7ea7\u9876\u7ea7\u5143\u7d20\uff0c\u81f3\u4e8e\u54ea\u4e2a\u5728\u6700\u4e0a\u9762\uff0c\u91c7\u7528\u7684\u662f\u540e\u6765\u5c45\u4e0a\u7684\u539f\u5219\uff0c\u4e5f\u5c31\u662f\u90a3\u4e2a\u540e\u663e\u793a\uff0c\u90a3\u4e2a\u5c31\u5728\u4e0a\u9762\uff0c\u8fd9\u4e2a\u975e\u5e38\u7b26\u5408\u771f\u5b9e\u7684\u4ea4\u4e92\u9700\u6c42\u3002<\/p>\n<p>\u57fa\u4e8e\u4ee5\u4e0a\u4e24\u70b9\uff0cpopover\u5c5e\u6027\u4e00\u5b9a\u662f\u4e0b\u62c9\u4ea4\u4e92\u7684\u6700\u4f73\u5b9e\u73b0\u3002<\/p>\n<h3>\u4e8c\u3001\u6848\u4f8b\u6f14\u793a\uff0c\u4e00\u76ee\u4e86\u7136<\/h3>\n<p>\u4f8b\u5982\uff0c\u5728<a href=\"https:\/\/l-ui.com\/edge\/apis.select.html\" rel=\"noopener\" target=\"_blank\">LuLu UI\u4e2d\u7684<code>&lt;select&gt;<\/code>\u6a21\u62df\u4e0b\u62c9\u6846<\/a>\u7684\u6548\u679c\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/2024-01-11_220330.png\" width=\"295\" height=\"317\" alt=\"lulu ui select \u6a21\u62df\u4e0b\u62c9\u6548\u679c\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u73b0\u5728\u8981\u5b9e\u73b0\u6b64\u6548\u679c\uff0c\u6781\u5176\u7b80\u5355\uff0c\u53ea\u9700\u8981\u8ba9\u4e0b\u62c9\u6846\u5728\u663e\u793a\u7684\u65f6\u5019\u8ba1\u7b97\u4e0b\u5b9a\u4f4d\u5c31\u53ef\u4ee5\u4e86\uff08\u9ed8\u8ba4\u662f\u6d4f\u89c8\u5668\u5c45\u4e2d\u5b9a\u4f4d\u7684\uff09\u3002<\/p>\n<p>HTML\u7ed3\u6784\u793a\u610f\uff1a<\/p>\n<pre>&lt;button id=\"button\" popovertarget=\"select\"&gt;\u8bf7\u9009\u62e9&lt;\/button&gt;\r\n&lt;menu id=\"select\" popover&gt;\r\n    &lt;li&gt;&lt;input type=\"radio\" name=\"type\" value=\"\"&gt;\u8bf7\u9009\u62e9&lt;\/li&gt;\r\n    &lt;li&gt;&lt;input type=\"radio\" name=\"type\" value=\"1\"&gt;\u9009\u98791&lt;\/li&gt;\r\n    &lt;li&gt;&lt;input type=\"radio\" name=\"type\" value=\"2\"&gt;\u9009\u98792&lt;\/li&gt;\r\n    &lt;li&gt;&lt;input type=\"radio\" name=\"type\" value=\"3\" disabled&gt;\u9009\u98793&lt;\/li&gt;\r\n    &lt;li&gt;&lt;input type=\"radio\" name=\"type\" value=\"4\"&gt;\u9009\u98794&lt;\/li&gt;\r\n&lt;\/menu&gt;<\/pre>\n<p>\u4f7f\u7528radio\u5355\u9009\u6846\u6a21\u62df\u9009\u4e2d\u884c\u4e3a\uff0c\u53ef\u4ee5\u4fdd\u6301<code>&lt;select&gt;<\/code>\u5143\u7d20\u7684\u8868\u5355\u7279\u6027\u3002<\/p>\n<p>\u81f3\u4e8e\u663e\u793a\u3001\u9690\u85cf\u4ee5\u53ca\u5c42\u7ea7\u8bbe\u7f6e\u90fd\u662fpopover\u5c5e\u6027\u81ea\u52a8\u5b8c\u6210\u7684\uff0c\u6211\u4eec\u65e0\u9700\u5173\u5fc3\uff0c\u56e0\u6b64\uff0c\u6240\u6709\u7684JS\u4ee3\u7801\u5176\u5b9e\u5c31\u4e0b\u9762\u8fd9\u4e00\u70b9\u3002<\/p>\n<pre>button.onclick = function () {\r\n    const bounding = this.getBoundingClientRect();\r\n\r\n    select.style.top = (bounding.bottom + window.pageYOffset) + 'px';\r\n    select.style.left = (bounding.left + window.pageXOffset) + 'px';\r\n    select.style.width = bounding.width + 'px';\r\n};\r\nselect.onclick = function (event) {\r\n    if (event.target.type == 'radio') {\r\n        this.hidePopover();\r\n        \/\/ \u9009\u62e9\u6587\u5b57\u5185\u5bb9\u66f4\u65b0\r\n        button.textContent = event.target.parentElement.textContent;\r\n    }\r\n}<\/pre>\n<p>\u662f\u4e0d\u662f\u7b80\u5355\u5230\u77a0\u76ee\u7ed3\u820c\uff0c\u532a\u5937\u6240\u601d\uff1f<\/p>\n<p>\u773c\u89c1\u4e3a\u5b9e\uff0c\u4f60\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/study\/202401\/html-select-beauty-popover-demo.php\" rel=\"noopener\" target=\"_blank\">\u4f7f\u7528popover\u5c5e\u6027\u6a21\u62dfselect\u4e0b\u62c9demo<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/2024-01-11_221157.png\" width=\"302\" height=\"327\" alt=\"\u4e0b\u62c9\u6a21\u62df\u6548\u679c\u622a\u56fe\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u4e0b\u62c9\u5217\u8868\u5404\u79cd\u72b6\u6001\u5e94\u6709\u5c3d\u6709\u3002<\/p>\n<h3>\u4e09\u3001\u4e0e\u65f6\u4ff1\u8fdb\uff0c\u52c7\u6500\u9ad8\u5cf0<\/h3>\n<p>popover\u5c5e\u6027\u76ee\u524d\u6240\u6709\u73b0\u4ee3\u6d4f\u89c8\u5668\u90fd\u652f\u6301\u4e86\uff0c\u5728\u4e0d\u4e45\u7684\u5c06\u6765\u5927\u89c4\u6a21\u5e94\u7528\u5df2\u662f\u5927\u52bf\u6240\u8d8b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/2024-01-11_222355.png\" width=\"650\" height=\"258\" alt=\"popover\u517c\u5bb9\u6027\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u597d\u4e86\uff0c\u5c31\u8bf4\u8fd9\u4e48\u591a\u5427\u3002<\/p>\n<p>\u6700\u8fd1\u5fd9\u788c\uff0c\u5c31\u4e0d\u626f\u6de1\u4e86\u3002<\/p>\n<p>\u611f\u8c22\u9605\u8bfb\uff0c\u6b22\u8fce<button onclick=\"shareWeixin.click()\" class=\"entry-share-btn\">\u5206\u4eab<\/button>\uff01<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/2024-01-11_223634.png\" width=\"240\" height=\"123\" alt=\"\u5927\u4eba\uff0c\u65f6\u4ee3\u53d8\u4e86\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u6b22\u8fce\u5206\u4eab\uff0c\u52ff\u5168\u6587\u8f6c\u8f7d\uff0c\u5982\u679c\u5b9e\u5728\u559c\u6b22\uff0c\u53ef\u6536\u85cf\uff0c\u6c38\u4e0d\u8fc7\u671f\uff0c\u4e14\u4f1a\u53ca\u65f6\u66f4\u65b0\u77e5\u8bc6\u70b9\u53ca\u4fee\u6b63\u9519\u8bef\uff0c\u9605\u8bfb\u4f53\u9a8c\u4e5f\u66f4\u597d\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11097\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=11097<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202401\/popover-select-cover.png\" width=\"160\" height=\"100\" alt=\"\u5c01\u9762\u56fe\" class=\"alignright size-medium\" loading=\"lazy\" \/><\/p>\n<p>Firefox\u4e5f\u6b63\u5f0f\u652f\u6301popover\u5c5e\u6027\u4e86\uff0c\u5927\u4eba\uff0c\u65f6\u4ee3\u53d8\u4e86\uff0c\u6240\u6709\u7684\u4e0b\u62c9\u6548\u679c\u8981\u6362\u79cd\u5b9e\u73b0\u65b9\u5f0f\u5566\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[180],"tags":[422,1394,9,1935,1952,35,272],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11097"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=11097"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11097\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=11097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=11097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=11097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}