{"id":8967,"date":"2023-09-15T17:18:34","date_gmt":"2023-09-15T09:18:34","guid":{"rendered":"\/?p=8967"},"modified":"2023-09-15T17:18:34","modified_gmt":"2023-09-15T09:18:34","slug":"javascript%e3%80%81css%e5%ae%9e%e7%8e%b0%e5%9b%be%e7%89%87%e7%82%b9%e5%87%bb%e6%94%be%e5%a4%a7%e6%95%88%e6%9e%9c%ef%bc%8c%e5%8f%af%e7%94%a8%e4%ba%8ewordpress","status":"publish","type":"post","link":"\/?p=8967","title":{"rendered":"JavaScript\u3001CSS\u5b9e\u73b0\u56fe\u7247\u70b9\u51fb\u653e\u5927\u6548\u679c\uff0c\u53ef\u7528\u4e8ewordpress"},"content":{"rendered":"

\u9700\u6c42<\/h2>\n

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\u4ee3\u7801<\/h2>\n

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document.addEventListener('DOMContentLoaded', function() {\n  var images = document.querySelectorAll('.article-inner img');\n  images.forEach(function(image) {\n    image.addEventListener('click', function() {\n      var fullscreenDiv = document.createElement('div');\n      fullscreenDiv.classList.add('fullscreen');\n      var fullscreenImg = document.createElement('img');\n      fullscreenImg.src = this.src;\n      fullscreenImg.alt = this.alt;\n      fullscreenDiv.appendChild(fullscreenImg);\n      document.body.appendChild(fullscreenDiv);\n\n      var scale = 1;\n      fullscreenDiv.addEventListener('wheel', function(event) {\n        event.preventDefault();\n        var delta = event.deltaY || event.detail || event.wheelDelta;\n        if (delta > 0) {\n          \/\/ \u5411\u4e0b\u6eda\u52a8\uff0c\u7f29\u5c0f\u56fe\u7247\n          scale -= 0.1;\n        } else {\n          \/\/ \u5411\u4e0a\u6eda\u52a8\uff0c\u653e\u5927\u56fe\u7247\n          scale += 0.1;\n        }\n        fullscreenImg.style.transform = 'scale(' + scale + ')';\n      });\n\n      fullscreenDiv.addEventListener('click', function() {\n        this.remove();\n      });\n    });\n  });\n});<\/code><\/pre>\n
\u5728\u4e0a\u9762\u7684JavaScript\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528querySelectorAll()\u65b9\u6cd5\u9009\u62e9\u6240\u6709\u5177\u6709.article-inner img\u9009\u62e9\u5668\u7684<img><\/code>\u5143\u7d20\uff0c\u5e76\u4e3a\u6bcf\u4e2a\u5143\u7d20\u6dfb\u52a0\u70b9\u51fb\u4e8b\u4ef6\u3002\u5f53\u70b9\u51fb<img><\/code>\u65f6\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u65b0\u7684<div><\/code>\u5143\u7d20\uff0c\u5e76\u5c06<img><\/code>\u5143\u7d20\u63d2\u5165\u5176\u4e2d\u3002\u6211\u4eec\u5c06\u65b0\u521b\u5efa\u7684<div><\/code>\u5143\u7d20\u6dfb\u52a0\u4e00\u4e2afullscreen\u7c7b\uff0c\u7528\u4e8e\u8bbe\u7f6e\u5168\u5c4f\u5c55\u793a\u7684\u6837\u5f0f\u3002\u6211\u4eec\u5c06\u65b0\u521b\u5efa\u7684<div><\/code>\u5143\u7d20\u63d2\u5165\u5230document.body\u4e2d\uff0c\u4f7f\u5176\u6210\u4e3a\u6574\u4e2a\u9875\u9762\u7684\u5b50\u5143\u7d20\u3002\u6211\u4eec\u8fd8\u4e3a\u65b0\u521b\u5efa\u7684<div><\/code>\u5143\u7d20\u6dfb\u52a0\u4e86\u4e00\u4e2a\u70b9\u51fb\u4e8b\u4ef6\uff0c\u4ee5\u5b9e\u73b0\u70b9\u51fb\u5168\u5c4f\u5c55\u793a\u7684\u56fe\u7247\u540e\uff0c\u518d\u6b21\u70b9\u51fb\u5219\u8fd8\u539f\u3002
\n\u6211\u4eec\u6dfb\u52a0\u4e86\u4e00\u4e2awheel<\/code>\u4e8b\u4ef6\u76d1\u542c\u5668\u6765\u76d1\u542c\u9f20\u6807\u6eda\u8f6e\u4e8b\u4ef6\u3002\u5f53\u6eda\u8f6e\u5411\u4e0b\u6eda\u52a8\u65f6\uff0c\u6211\u4eec\u5c06\u653e\u5927\u500d\u6570\u51cf\u5c0f0.1\uff1b\u5f53\u6eda\u8f6e\u5411\u4e0a\u6eda\u52a8\u65f6\uff0c\u6211\u4eec\u5c06\u653e\u5927\u500d\u6570\u589e\u52a00.1\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528style.transform<\/code>\u5c5e\u6027\u5c06\u65b0\u7684\u653e\u5927\u500d\u6570\u5e94\u7528\u5230\u56fe\u7247\u4e0a\u3002<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u4f60\u53ef\u4ee5\u5b9e\u73b0\u5728\u5168\u5c4f\u5c55\u793a\u56fe\u7247\u65f6\uff0c\u901a\u8fc7\u9f20\u6807\u6eda\u8f6e\u6765\u63a7\u5236\u653e\u5927\u500d\u6570\u3002\u6839\u636e\u9700\u8981\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u6837\u5f0f\u548c\u9700\u6c42\u8c03\u6574CSS\u548cJavaScript\u4ee3\u7801\u3002
\nCSS\u4ee3\u7801\uff1a<\/p>\n
.fullscreen {\n  position: fixed;\n  top: 0;\n  left: 0;\n  width: 100%;\n  height: 100%;\n  background-color: rgba(0, 0, 0, 0.8);\n  display: flex;\n  justify-content: center;\n  align-items: center;\n  z-index: 9999;\n}\n\n.fullscreen img {\n  max-width: 100%;\n  max-height: 100%;\n}<\/code><\/pre>\n
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wordpress\u5e94\u7528<\/h2>\n
\u628ajs\u4ee3\u7801\u653e\u5230\u4e3b\u9898\u9875\u811a (footer.php)\u5185\uff0c\u7528<script><\/script><\/code>\u5305\u88f9\u3002
\n\u628acss\u4ee3\u7801\u653e\u5230\u81ea\u5b9a\u4e49css\u5185\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9700\u6c42 \u6211\u9700\u8981\u70b9\u51fb\u653e\u5927\u56fe\u7247\uff0c\u5168\u5c4f\u5c55\u793a\uff0c\u5e76\u901a\u8fc7\u9f20\u6807\u6eda\u8f6e\u63a7\u5236\u653e\u5927\u7684\u500d\u6570 \u4ee3\u7801 \u8981\u5b9e\u73b0\u9f20\u6807\u6eda\u8f6e\u63a7\u5236\u653e\u5927\u500d\u6570\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528JavaScript\u6765\u76d1\u542c   \u2026 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[136],"tags":[96],"_links":{"self":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts\/8967"}],"collection":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8967"}],"version-history":[{"count":1,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/8967\/revisions"}],"predecessor-version":[{"id":8968,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/8967\/revisions\/8968"}],"wp:attachment":[{"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8967"},{"taxonomy":"post_tag","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}