{"id":3038,"date":"2026-02-02T22:51:44","date_gmt":"2026-02-02T14:51:44","guid":{"rendered":"https:\/\/blog.nonot.cn\/?p=3038"},"modified":"2026-02-02T22:51:44","modified_gmt":"2026-02-02T14:51:44","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87javascript%e5%ae%9e%e7%8e%b0%e5%bc%b9%e5%87%ba%e5%b1%82%e6%95%88%e6%9e%9c%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/blog.nonot.cn\/index.php\/2026\/02\/02\/%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87javascript%e5%ae%9e%e7%8e%b0%e5%bc%b9%e5%87%ba%e5%b1%82%e6%95%88%e6%9e%9c%ef%bc%9f\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7JavaScript\u5b9e\u73b0\u5f39\u51fa\u5c42\u6548\u679c\uff1f"},"content":{"rendered":"

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<<\/code>meta<\/code> charset<\/code>=<\/code>\"UTF-8\"<\/code>><\/code><\/p>\n

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<<\/code>title<\/code>>JavaScript \u5f39\u51fa\u5c42\u793a\u4f8b<\/<\/code>title<\/code>><\/code><\/p>\n

<<\/code>style<\/code>><\/code><\/p>\n

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\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/p>\n

\n

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\n

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\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/p>\n

\n

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\n

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\n

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\n

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<\/<\/code>style<\/code>><\/code><\/p>\n

\n

\n

\n

<<\/code>button<\/code> class<\/code>=<\/code>\"open-modal-btn\"<\/code>>\u6253\u5f00\u5f39\u51fa\u5c42<\/<\/code>button<\/code>><\/code><\/p>\n

\n

<<\/code>div<\/code> class<\/code>=<\/code>\"modal-overlay\"<\/code> id<\/code>=<\/code>\"myModalOverlay\"<\/code>><\/code><\/p>\n

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\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><<\/code>button<\/code> class<\/code>=<\/code>\"close-modal-btn\"<\/code>>\u00d7<\/<\/code>button<\/code>><\/code><\/p>\n

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\u00a0\u00a0\u00a0\u00a0<\/code><\/<\/code>div<\/code>><\/code><\/p>\n

<\/<\/code>div<\/code>><\/code><\/p>\n

\n

<<\/code>script<\/code>><\/code><\/p>\n

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\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u6253\u5f00\u5f39\u51fa\u5c42<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>openBtn.addEventListener('click', () => {<\/code><\/p>\n

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\u00a0\u00a0\u00a0\u00a0<\/code>});<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u5173\u95ed\u5f39\u51fa\u5c42<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>closeBtn.addEventListener('click', () => {<\/code><\/p>\n

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\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>document.body.style.overflow = ''; \/\/ \u6062\u590d\u9875\u9762\u6eda\u52a8<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>});<\/code><\/p>\n

\n

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\u00a0\u00a0\u00a0\u00a0<\/code>modalOverlay.addEventListener('click', (event) => {<\/code><\/p>\n

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\u00a0\u00a0\u00a0\u00a0<\/code>});<\/code><\/p>\n

<\/<\/code>script<\/code>><\/code><\/p>\n

\u8fd9\u6bb5\u4ee3\u7801\u7684\u6838\u5fc3\u5728\u4e8eCSS\u7684display: none;<\/code>\u548cJavaScript\u901a\u8fc7classList.add('active')<\/code>\u6765\u5207\u6362display: flex;<\/code>\u3002\u6211\u4e2a\u4eba\u6bd4\u8f83\u559c\u6b22\u7528CSS\u7c7b\u6765\u63a7\u5236\u663e\u793a\/\u9690\u85cf\uff0c\u56e0\u4e3a\u5b83\u80fd\u66f4\u597d\u5730\u914d\u5408CSS\u52a8\u753b\u548c\u8fc7\u6e21\uff0c\u8ba9\u5f39\u51fa\u6548\u679c\u770b\u8d77\u6765\u66f4\u81ea\u7136\uff0c\u800c\u4e0d\u662f\u751f\u786c\u5730\u8df3\u51fa\u3002document.body.style.overflow = 'hidden';<\/code>\u00a0\u8fd9\u884c\u4ee3\u7801\u4e5f\u5f88\u5173\u952e\uff0c\u5b83\u80fd\u9632\u6b62\u5728\u5f39\u51fa\u5c42\u6253\u5f00\u65f6\uff0c\u5e95\u4e0b\u7684\u9875\u9762\u5185\u5bb9\u8ddf\u7740\u6eda\u52a8\uff0c\u8fd9\u5728\u7528\u6237\u4f53\u9a8c\u4e0a\u662f\u4e2a\u5c0f\u7ec6\u8282\uff0c\u4f46\u5f88\u91cd\u8981\u3002<\/p>\n

\u5982\u4f55\u8ba9\u5f39\u51fa\u5c42\u5728\u9875\u9762\u52a0\u8f7d\u65f6\u81ea\u52a8\u663e\u793a\uff0c\u5e76\u652f\u6301\u5ef6\u65f6\u5173\u95ed\uff1f<\/h3>\n

\u6709\u65f6\u5019\uff0c\u6211\u4eec\u5e0c\u671b\u7528\u6237\u4e00\u8fdb\u5165\u9875\u9762\u5c31\u80fd\u770b\u5230\u67d0\u4e2a\u91cd\u8981\u7684\u63d0\u793a\u6216\u5e7f\u544a\uff0c\u8fd9\u5c31\u9700\u8981\u5f39\u51fa\u5c42\u81ea\u52a8\u663e\u793a\u3002\u540c\u65f6\uff0c\u4e3a\u4e86\u4e0d\u6253\u6270\u7528\u6237\u592a\u4e45\uff0c\u53ef\u80fd\u8fd8\u9700\u8981\u5b83\u5728\u4e00\u6bb5\u65f6\u95f4\u540e\u81ea\u52a8\u5173\u95ed\u3002<\/p>\n

\u8981\u5b9e\u73b0\u9875\u9762\u52a0\u8f7d\u65f6\u81ea\u52a8\u663e\u793a\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528DOMContentLoaded<\/code>\u4e8b\u4ef6\u3002\u8fd9\u4e2a\u4e8b\u4ef6\u4f1a\u5728HTML\u6587\u6863\u88ab\u5b8c\u5168\u52a0\u8f7d\u548c\u89e3\u6790\u5b8c\u6210\u65f6\u89e6\u53d1\uff0c\u800c\u65e0\u9700\u7b49\u5f85\u6837\u5f0f\u8868\u3001\u56fe\u7247\u7b49\u8d44\u6e90\u52a0\u8f7d\u5b8c\u6bd5\uff0c\u901a\u5e38\u6bd4window.onload<\/code>\u66f4\u65e9\u3002<\/p>\n

\u81f3\u4e8e\u5ef6\u65f6\u5173\u95ed\uff0cJavaScript\u7684setTimeout<\/code>\u51fd\u6570\u5c31\u662f\u4e3a\u6b64\u800c\u751f\u3002\u5b83\u4f1a\u5728\u6307\u5b9a\u6beb\u79d2\u6570\u540e\u6267\u884c\u4e00\u6b21\u51fd\u6570\u3002<\/p>\n

document.addEventListener(<\/code>'DOMContentLoaded'<\/code>, () => {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>const modalOverlay = document.getElementById(<\/code>'myModalOverlay'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>const closeBtn = document.querySelector(<\/code>'.close-modal-btn'<\/code>); <\/code>\/\/ \u786e\u4fdd\u80fd\u83b7\u53d6\u5230\u5173\u95ed\u6309\u94ae<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u9875\u9762\u52a0\u8f7d\u540e\u7acb\u5373\u663e\u793a\u5f39\u51fa\u5c42<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>modalOverlay.classList.add(<\/code>'active'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>document.body.style.overflow = <\/code>'hidden'<\/code>;<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u8bbe\u7f6e5\u79d2\u540e\u81ea\u52a8\u5173\u95ed\u5f39\u51fa\u5c42<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>setTimeout(() => {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalOverlay.classList.remove(<\/code>'active'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>document.body.style.overflow = <\/code>''<\/code>;<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>}, 5000); <\/code>\/\/ 5000\u6beb\u79d2 = 5\u79d2<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u786e\u4fdd\u624b\u52a8\u5173\u95ed\u6309\u94ae\u4f9d\u7136\u6709\u6548<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>closeBtn.addEventListener(<\/code>'click'<\/code>, () => {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalOverlay.classList.remove(<\/code>'active'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>document.body.style.overflow = <\/code>''<\/code>;<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u5982\u679c\u81ea\u52a8\u5173\u95ed\u5b9a\u65f6\u5668\u8fd8\u5728\u8fd0\u884c\uff0c\u8fd9\u91cc\u53ef\u4ee5\u6e05\u9664\u5b83\uff0c\u907f\u514d\u51b2\u7a81<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ clearTimeout(autoCloseTimerId); \/\/ \u9700\u8981\u4fdd\u5b58setTimeout\u7684\u8fd4\u56de\u503c<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>});<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u70b9\u51fb\u906e\u7f69\u5c42\u5173\u95ed<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>modalOverlay.addEventListener(<\/code>'click'<\/code>, (event) => {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (event.target === modalOverlay) {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalOverlay.classList.remove(<\/code>'active'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>document.body.style.overflow = <\/code>''<\/code>;<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>});<\/code><\/p>\n

});<\/code><\/p>\n

\u8fd9\u91cc\u6211\u628a\u6574\u4e2a\u903b\u8f91\u90fd\u653e\u5230\u4e86DOMContentLoaded<\/code>\u4e8b\u4ef6\u76d1\u542c\u5668\u91cc\u3002\u8fd9\u6837\uff0c\u9875\u9762\u4e00\u52a0\u8f7d\u5b8cDOM\u7ed3\u6784\uff0c\u5f39\u51fa\u5c42\u5c31\u4f1a\u7acb\u523b\u51fa\u73b0\u3002setTimeout<\/code>\u5219\u8d1f\u8d23\u57285\u79d2\u540e\u6267\u884c\u5173\u95ed\u64cd\u4f5c\u3002\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5982\u679c\u7528\u6237\u57285\u79d2\u5185\u624b\u52a8\u5173\u95ed\u4e86\u5f39\u51fa\u5c42\uff0c\u6211\u4eec\u53ef\u80fd\u8fd8\u9700\u8981clearTimeout<\/code>\u6765\u53d6\u6d88\u90a3\u4e2a\u81ea\u52a8\u5173\u95ed\u7684\u5b9a\u65f6\u5668\uff0c\u907f\u514d\u5b83\u5728\u5f39\u51fa\u5c42\u5df2\u7ecf\u5173\u95ed\u540e\u53c8\u5c1d\u8bd5\u6267\u884c\u5173\u95ed\u64cd\u4f5c\uff0c\u867d\u7136\u5728\u8fd9\u4e2a\u7b80\u5355\u4f8b\u5b50\u91cc\u5f71\u54cd\u4e0d\u5927\uff0c\u4f46\u517b\u6210\u597d\u4e60\u60ef\u5f88\u91cd\u8981\u3002<\/p>\n

\u5f39\u51fa\u5c42\u5185\u5bb9\u5982\u4f55\u52a8\u6001\u52a0\u8f7d\uff0c\u4f8b\u5982\u4eceAPI\u83b7\u53d6\u6570\u636e\uff1f<\/h3>\n

\u5f88\u591a\u65f6\u5019\uff0c\u5f39\u51fa\u5c42\u7684\u5185\u5bb9\u5e76\u4e0d\u662f\u56fa\u5b9a\u7684\uff0c\u5b83\u53ef\u80fd\u9700\u8981\u6839\u636e\u7528\u6237\u7684\u64cd\u4f5c\u6216\u8005\u4ece\u540e\u7aef<\/a>API\u52a8\u6001\u83b7\u53d6\u3002\u6bd4\u5982\uff0c\u70b9\u51fb\u4e00\u4e2a\u5546\u54c1\u5217\u8868\u4e2d\u7684\u201c\u67e5\u770b\u8be6\u60c5\u201d\u6309\u94ae\uff0c\u5f39\u51fa\u7684\u5c42\u91cc\u5c31\u5e94\u8be5\u663e\u793a\u5bf9\u5e94\u5546\u54c1\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n

\n
\"5d7f1c6053595619-2-1-1-1-1\"<\/a><\/p>\n
easyDialog \u7b80\u5355\u3001\u5b9e\u7528\u7684\u5f39\u51fa\u5c42\u7ec4\u4ef6<\/a>easyDialog\u6ca1\u6709\u6a21\u677f\u673a\u5236\uff0c\u53ea\u8d1f\u8d23\u903b\u8f91\u5c42\u7684\u5f39\u51fa\u6548\u679c\uff0c\u81f3\u4e8e\u5185\u5bb9(\u6d88\u606f\u6846\u3001\u8868\u5355\u3001\u56fe\u7247\u7b49)\u8be5\u5982\u4f55\u5448\u73b0\uff0ceasyDialog\u90fd\u4e0d\u7ba1\uff0c\u5185\u5bb9\u5c5e\u4e8e\u4e1a\u52a1\u5c42\u7684\u4e1c\u897f\uff0c\u4e1a\u52a1\u9700\u6c42\u662f\u5343\u53d8\u4e07\u5316\u7684\uff0c\u5982\u679c\u903b\u8f91\u548c\u4e1a\u52a1\u7ed3\u5408\u5f88\u7d27\u5bc6\uff0c\u90a3\u4e48\u53ef\u79fb\u690d\u6027\u548c\u53ef\u6269\u5c55\u6027\u5c06\u5927\u5927\u964d\u4f4e\u3002<\/p>\n<\/div>\n

<\/b>\u4e0b\u8f7d<\/a><\/div>\n<\/div>\n

\u8981\u5b9e\u73b0\u52a8\u6001\u52a0\u8f7d\uff0c\u6211\u4eec\u4e3b\u8981\u4f1a\u7528\u5230fetch<\/code>\u00a0API\uff08\u6216\u8005\u8001\u65e7\u4e00\u70b9\u7684XMLHttpRequest<\/code>\uff09\u3002fetch<\/code>\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u73b0\u4ee3\u3001\u66f4\u5f3a\u5927\u7684\u65b9\u5f0f\u6765\u53d1\u8d77\u7f51\u7edc\u8bf7\u6c42\u3002<\/p>\n

\u6211\u4eec\u5047\u8bbe\u6709\u4e00\u4e2aAPI\u63a5\u53e3\u00a0\/api\/product\/{id}<\/code>\u00a0\u53ef\u4ee5\u8fd4\u56de\u5546\u54c1\u8be6\u60c5\u3002<\/p>\n

\/\/ ... HTML \u548c CSS \u90e8\u5206\u540c\u4e0a ...<\/code><\/p>\n

\n

<script><\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>const openBtn = document.querySelector(<\/code>'.open-modal-btn'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>const closeBtn = document.querySelector(<\/code>'.close-modal-btn'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>const modalOverlay = document.getElementById(<\/code>'myModalOverlay'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>const modalContentElement = modalOverlay.querySelector(<\/code>'.modal-content'<\/code>); <\/code>\/\/ \u83b7\u53d6\u5185\u5bb9\u5bb9\u5668<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u52a0\u8f7d\u4e2d\u7684\u6307\u793a\u5668<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>const loadingIndicator = document.createElement(<\/code>'p'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>loadingIndicator.textContent = <\/code>'\u52a0\u8f7d\u4e2d...'<\/code>;<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>loadingIndicator.style.textAlign = <\/code>'center'<\/code>;<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>loadingIndicator.style.padding = <\/code>'20px'<\/code>;<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>const originalContent = modalContentElement.innerHTML; <\/code>\/\/ \u4fdd\u5b58\u539f\u59cb\u5185\u5bb9\uff0c\u4ee5\u4fbf\u6062\u590d<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>async <\/code>function<\/code> loadProductDetails(productId) {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u5148\u6e05\u7a7a\u5185\u5bb9\u5e76\u663e\u793a\u52a0\u8f7d\u6307\u793a\u5668<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalContentElement.innerHTML = <\/code>''<\/code>;<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalContentElement.appendChild(loadingIndicator);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalOverlay.classList.add(<\/code>'active'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>document.body.style.overflow = <\/code>'hidden'<\/code>;<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>try<\/code> {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u6a21\u62df\u7f51\u7edc\u8bf7\u6c42<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>const response = await fetch(`\/api\/product\/${productId}`); <\/code>\/\/ \u5b9e\u9645\u9879\u76ee\u4e2d\u66ff\u6362\u4e3a\u4f60\u7684API\u5730\u5740<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (!response.ok) {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>throw<\/code> new<\/code> Error(`HTTP error! status: ${response.status}`);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>const product = await response.json();<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u6784\u5efa\u65b0\u7684\u5185\u5bb9<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalContentElement.innerHTML = `<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><button class=<\/code>\"close-modal-btn\"<\/code>>\u00d7<\/button><\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><h2>${product.name}<\/h2><\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><p>\u4ef7\u683c: \u00a5${product.price.toFixed(2)}<\/p><\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><p>${product.description}<\/p><\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>@@<\/code>##@@<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>`;<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u91cd\u65b0\u7ed1\u5b9a\u5173\u95ed\u6309\u94ae\u4e8b\u4ef6\uff0c\u56e0\u4e3a\u5185\u5bb9\u88ab\u66ff\u6362\u4e86<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalContentElement.querySelector(<\/code>'.close-modal-btn'<\/code>).addEventListener(<\/code>'click'<\/code>, closeModal);<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>} <\/code>catch<\/code> (error) {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>console.error(<\/code>'\u52a0\u8f7d\u5546\u54c1\u8be6\u60c5\u5931\u8d25:'<\/code>, error);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalContentElement.innerHTML = `<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><button class=<\/code>\"close-modal-btn\"<\/code>>\u00d7<\/button><\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><h2>\u52a0\u8f7d\u5931\u8d25<\/h2><\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><p>\u65e0\u6cd5\u83b7\u53d6\u5546\u54c1\u4fe1\u606f\uff0c\u8bf7\u7a0d\u540e\u518d\u8bd5\u3002<\/p><\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>`;<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalContentElement.querySelector(<\/code>'.close-modal-btn'<\/code>).addEventListener(<\/code>'click'<\/code>, closeModal);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>function<\/code> closeModal() {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalOverlay.classList.remove(<\/code>'active'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>document.body.style.overflow = <\/code>''<\/code>;<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u6062\u590d\u539f\u59cb\u5185\u5bb9\uff0c\u6216\u8005\u4f60\u4e5f\u53ef\u4ee5\u9009\u62e9\u6e05\u7a7a<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ modalContentElement.innerHTML = originalContent;<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u5982\u679c\u6062\u590d\u539f\u59cb\u5185\u5bb9\uff0c\u9700\u8981\u91cd\u65b0\u7ed1\u5b9a\u539f\u59cb\u7684\u5173\u95ed\u6309\u94ae\u4e8b\u4ef6<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u7ed1\u5b9a\u6253\u5f00\u6309\u94ae\u4e8b\u4ef6\uff0c\u8fd9\u91cc\u6211\u4eec\u6a21\u62df\u52a0\u8f7dID\u4e3a123\u7684\u5546\u54c1<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>openBtn.addEventListener(<\/code>'click'<\/code>, () => loadProductDetails(<\/code>'123'<\/code>));<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u7ed1\u5b9a\u5173\u95ed\u6309\u94ae\u4e8b\u4ef6<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>closeBtn.addEventListener(<\/code>'click'<\/code>, closeModal); <\/code>\/\/ \u8fd9\u4e2a\u662f\u539f\u59cb\u7684\u5173\u95ed\u6309\u94ae\uff0c\u5982\u679c\u5185\u5bb9\u88ab\u66ff\u6362\uff0c\u8fd9\u4e2a\u53ef\u80fd\u5c31\u4e0d\u5b58\u5728\u4e86\uff0c\u9700\u8981\u91cd\u65b0\u7ed1\u5b9a<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u56e0\u6b64\uff0c\u66f4\u7a33\u59a5\u7684\u505a\u6cd5\u662f\u5728\u52a8\u6001\u52a0\u8f7d\u5185\u5bb9\u540e\uff0c\u91cd\u65b0\u7ed9\u65b0\u7684\u5173\u95ed\u6309\u94ae\u7ed1\u5b9a\u4e8b\u4ef6\uff0c\u6216\u8005\u8ba9\u5173\u95ed\u6309\u94ae\u5728 modalContentElement \u5916\u90e8\u3002<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u66f4\u597d\u7684\u505a\u6cd5\u662f\uff0c\u5173\u95ed\u6309\u94ae\u59cb\u7ec8\u5728 modal-overlay \u5185\u90e8\uff0c modal-content \u5916\u90e8\uff0c\u8fd9\u6837\u5b83\u4e0d\u4f1a\u88ab\u52a8\u6001\u5185\u5bb9\u66ff\u6362<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u5047\u8bbecloseBtn\u662f\u5728modal-overlay\u4e0b\u7684\u76f4\u63a5\u5b50\u5143\u7d20\uff0c\u800c\u4e0d\u662fmodal-content\u7684\u5b50\u5143\u7d20<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u90a3\u4e48 closeModal() \u5c31\u53ef\u4ee5\u76f4\u63a5\u7ed1\u5b9a\u5230\u8fd9\u4e2a\u552f\u4e00\u7684 closeBtn \u4e0a<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u5728\u6211\u7684HTML\u7ed3\u6784\u91cc\uff0ccloseBtn\u662fmodal-content\u7684\u5b50\u5143\u7d20\uff0c\u6240\u4ee5\u66ff\u6362\u5185\u5bb9\u65f6\u9700\u8981\u91cd\u65b0\u7ed1\u5b9a\u3002<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u4e3a\u4e86\u7b80\u5316\uff0c\u6211\u628a\u5173\u95ed\u6309\u94ae\u91cd\u65b0\u653e\u5728\u4e86 modal-content \u5185\u90e8\uff0c\u5e76\u5728\u6bcf\u6b21\u52a8\u6001\u52a0\u8f7d\u540e\u91cd\u65b0\u7ed1\u5b9a\u3002<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u4e5f\u53ef\u4ee5\u5c06\u5173\u95ed\u6309\u94ae\u653e\u5230 modal-overlay \u7684\u540c\u7ea7\u6216\u4e0a\u7ea7\uff0c\u4f7f\u5176\u4e0d\u53d7 modal-content \u5185\u5bb9\u53d8\u5316\u7684\u5f71\u54cd\u3002<\/code><\/p>\n

<\/script><\/code><\/p>\n

\u8fd9\u6bb5\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u5728\u4e00\u4e2a\u5f02\u6b65\u64cd\u4f5c\u4e2d\u66f4\u65b0\u5f39\u51fa\u5c42\u7684\u5185\u5bb9\u3002\u6211\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u5728\u5904\u7406\u52a8\u6001\u5185\u5bb9\u65f6\uff0c\u663e\u793a\u4e00\u4e2a\u201c\u52a0\u8f7d\u4e2d\u201d\u7684\u72b6\u6001\u975e\u5e38\u91cd\u8981\uff0c\u8fd9\u80fd\u7ed9\u7528\u6237\u826f\u597d\u7684\u53cd\u9988\uff0c\u8ba9\u4ed6\u4eec\u77e5\u9053\u4e0d\u662f\u9875\u9762\u5361\u4f4f\u4e86\u3002\u9519\u8bef\u5904\u7406\u4e5f\u540c\u6837\u5173\u952e\uff0c\u5f53API\u8bf7\u6c42\u5931\u8d25\u65f6\uff0c\u544a\u77e5\u7528\u6237\u53d1\u751f\u4e86\u4ec0\u4e48\uff0c\u800c\u4e0d\u662f\u7559\u4e00\u4e2a\u7a7a\u767d\u7684\u5f39\u51fa\u5c42\u3002<\/p>\n

\u6211\u8fd9\u91cc\u5c06\u5173\u95ed\u6309\u94ae\u653e\u5728\u4e86modal-content<\/code>\u5185\u90e8\uff0c\u8fd9\u610f\u5473\u7740\u6bcf\u6b21modalContentElement.innerHTML<\/code>\u88ab\u66ff\u6362\u65f6\uff0c\u539f\u6765\u7684\u5173\u95ed\u6309\u94ae\u5c31\u6ca1\u4e86\uff0c\u9700\u8981\u7ed9\u65b0\u7684\u5173\u95ed\u6309\u94ae\u91cd\u65b0\u7ed1\u5b9a\u4e8b\u4ef6\u3002\u8fd9\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u201c\u5751\u201d\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u3002\u4e00\u4e2a\u66f4\u5065\u58ee\u7684\u8bbe\u8ba1\u662f\u5c06\u5173\u95ed\u6309\u94ae\u653e\u5728modal-content<\/code>\u7684\u5916\u90e8\uff0c\u4f46\u4ecd\u5728modal-overlay<\/code>\u5185\u90e8\uff0c\u8fd9\u6837\u5b83\u5c31\u4e0d\u4f1a\u88ab\u52a8\u6001\u5185\u5bb9\u5f71\u54cd\u3002<\/p>\n

\u5982\u4f55\u4f18\u5316\u5f39\u51fa\u5c42\u7684\u7528\u6237\u4f53\u9a8c\uff0c\u6bd4\u5982\u6dfb\u52a0\u952e\u76d8Esc\u5173\u95ed\u548c\u70b9\u51fb\u5916\u90e8\u533a\u57df\u5173\u95ed\uff1f<\/h3>\n

\u7528\u6237\u4f53\u9a8c\u662f\u524d\u7aef<\/a>\u5f00\u53d1\u4e2d\u4e0d\u53ef\u5ffd\u89c6\u7684\u4e00\u73af\u3002\u4e00\u4e2a\u597d\u7684\u5f39\u51fa\u5c42\uff0c\u9664\u4e86\u80fd\u663e\u793a\u5185\u5bb9\uff0c\u8fd8\u5e94\u8be5\u65b9\u4fbf\u7528\u6237\u5173\u95ed\u3002\u6700\u5e38\u89c1\u7684\u4e24\u79cd\u4fbf\u6377\u5173\u95ed\u65b9\u5f0f\u5c31\u662f\u6309Esc<\/code>\u952e\u548c\u70b9\u51fb\u5f39\u51fa\u5c42\u5916\u90e8\u7684\u533a\u57df\u3002<\/p>\n

\u6211\u4eec\u53ef\u4ee5\u5728modal-overlay<\/code>\u663e\u793a\u65f6\uff0c\u7ed9document<\/code>\u6dfb\u52a0\u4e00\u4e2akeydown<\/code>\u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u68c0\u67e5\u6309\u4e0b\u7684\u952e\u662f\u5426\u662fEsc<\/code>\u3002\u81f3\u4e8e\u70b9\u51fb\u5916\u90e8\u533a\u57df\u5173\u95ed\uff0c\u6211\u4eec\u5728\u7b2c\u4e00\u4e2a\u89e3\u51b3\u65b9\u6848\u4e2d\u5176\u5b9e\u5df2\u7ecf\u5b9e\u73b0\u4e86\u4e00\u90e8\u5206\uff1a\u901a\u8fc7\u5224\u65adevent.target === modalOverlay<\/code>\u6765\u786e\u4fdd\u53ea\u6709\u70b9\u51fb\u5230\u906e\u7f69\u5c42\u672c\u8eab\u624d\u5173\u95ed\u3002<\/p>\n

\/\/ ... HTML \u548c CSS \u90e8\u5206\u540c\u4e0a ...<\/code><\/p>\n

\n

<script><\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>const openBtn = document.querySelector(<\/code>'.open-modal-btn'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>const closeBtn = document.querySelector(<\/code>'.close-modal-btn'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>const modalOverlay = document.getElementById(<\/code>'myModalOverlay'<\/code>);<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>function<\/code> openModal() {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalOverlay.classList.add(<\/code>'active'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>document.body.style.overflow = <\/code>'hidden'<\/code>;<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>document.addEventListener(<\/code>'keydown'<\/code>, handleEscapeKey); <\/code>\/\/ \u76d1\u542cEsc\u952e<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>function<\/code> closeModal() {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>modalOverlay.classList.remove(<\/code>'active'<\/code>);<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>document.body.style.overflow = <\/code>''<\/code>;<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>document.removeEventListener(<\/code>'keydown'<\/code>, handleEscapeKey); <\/code>\/\/ \u79fb\u9664Esc\u952e\u76d1\u542c\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u89e6\u53d1<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>function<\/code> handleEscapeKey(event) {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (event.key === <\/code>'Escape'<\/code>) {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>closeModal();<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u6253\u5f00\u6309\u94ae<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>openBtn.addEventListener(<\/code>'click'<\/code>, openModal);<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u5173\u95ed\u6309\u94ae<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>closeBtn.addEventListener(<\/code>'click'<\/code>, closeModal);<\/code><\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u70b9\u51fb\u906e\u7f69\u5c42\u5173\u95ed<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>modalOverlay.addEventListener(<\/code>'click'<\/code>, (event) => {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ \u786e\u4fdd\u70b9\u51fb\u7684\u662f\u906e\u7f69\u5c42\u672c\u8eab\uff0c\u800c\u4e0d\u662f\u5f39\u51fa\u5c42\u5185\u90e8\u7684\u5185\u5bb9<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (event.target === modalOverlay) {<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>closeModal();<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/p>\n

\u00a0\u00a0\u00a0\u00a0<\/code>});<\/code><\/p>\n

<\/script><\/code><\/p>\n

 <\/p>\n

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