{"id":4114,"date":"2024-11-10T16:54:48","date_gmt":"2024-11-10T08:54:48","guid":{"rendered":"https:\/\/fwq.ai\/blog\/4114\/"},"modified":"2024-11-10T16:54:48","modified_gmt":"2024-11-10T08:54:48","slug":"%e5%8d%8a%e9%80%8f%e6%98%8e%e5%85%83%e7%b4%a0%e5%a6%82%e4%bd%95%e5%bd%b1%e5%93%8d%e5%b1%82%e7%ba%a7%e9%a1%ba%e5%ba%8f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/4114\/","title":{"rendered":"\u534a\u900f\u660e\u5143\u7d20\u5982\u4f55\u5f71\u54cd\u5c42\u7ea7\u987a\u5e8f\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173122769328638.jpg\" class=\"aligncenter\" title=\"\u534a\u900f\u660e\u5143\u7d20\u5982\u4f55\u5f71\u54cd\u5c42\u7ea7\u987a\u5e8f\uff1f\u63d2\u56fe\" alt=\"\u534a\u900f\u660e\u5143\u7d20\u5982\u4f55\u5f71\u54cd\u5c42\u7ea7\u987a\u5e8f\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>opacity \u5982\u4f55\u5f71\u54cd\u5c42\u7ea7\uff1f<\/strong><\/p>\n<p>\u5728 html \u4e2d\uff0c\u591a\u4e2a\u5143\u7d20\u5728\u540c\u4e00\u4f4d\u7f6e\u91cd\u53e0\u65f6\uff0c\u901a\u8fc7 z-index \u5c5e\u6027\u63a7\u5236\u5b83\u4eec\u7684\u5c42\u7ea7\u987a\u5e8f\u3002\u4f46\u662f\uff0c\u6709\u4e9b\u4eba\u7591\u60d1\uff0c\u5177\u6709\u534a\u900f\u660e (opacity) \u7684\u5143\u7d20\u4f1a\u5f71\u54cd\u5176\u5c42\u7ea7\u987a\u5e8f\u3002<\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;div id=\"app1\"&gt;\n  &lt;div&gt;&lt;\/div&gt;\n&lt;\/div&gt;\n&lt;div id=\"app2\"&gt;&lt;\/div&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>#app1 \u4e2d\u7684\u7ea2\u8272\u5757\u62e5\u6709 z-index: 1\uff0c\u7406\u8bba\u4e0a\u5e94\u8be5\u9ad8\u4e8e #app2 \u4e2d\u7684\u84dd\u8272\u5757\u3002\u7136\u800c\uff0c\u5f53 #app1 \u7684 opacity \u8bbe\u4e3a 50% \u65f6\uff0c\u84dd\u8272\u7684 #app2 \u5757\u7adf\u7136\u7a7f\u900f\u4e86\u5b83\u3002<\/p>\n<p>\u8fd9\u662f\u56e0\u4e3a<strong> \u89c4\u8303\u8bbe\u8ba1\u4f7f\u7136<\/strong>\u3002\u5f53\u5143\u7d20\u62e5\u6709\u534a\u900f\u660e\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u5c06\u5b83\u4eec\u89c6\u4e3a\u5177\u6709 <strong>\u7a7a\u95f4\u6269\u5c55\u6027<\/strong> \u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b83\u4eec\u5728\u5c42\u7ea7\u987a\u5e8f\u4e2d\u5360\u636e\u7684\u7a7a\u95f4\u53d8\u5927\uff0c\u5373\u4f7f\u89c6\u89c9\u4e0a\u53ea\u6709\u4e00\u90e8\u5206\u53ef\u89c1\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u867d\u7136 #app1 \u5177\u6709\u8f83\u9ad8\u7684 z-index\uff0c\u4f46\u5176\u534a\u900f\u660e\u6027\u5bfc\u81f4\u5b83\u5360\u636e\u4e86\u66f4\u591a\u7684\u7a7a\u95f4\uff0c\u4f7f\u5176\u9876\u90e8\u88ab #app2 \u8986\u76d6\u3002<\/p>\n<p>\u5982\u679c\u4f60\u9700\u8981\u63a7\u5236\u5143\u7d20\u7684\u5c42\u7ea7\u987a\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b9a\u4f4d (position) \u5c5e\u6027\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>#app1 {\n  position: absolute;\n  top: 0;\n  left: 0;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u534a\u900f\u660e\u5143\u7d20\u5982\u4f55\u5f71\u54cd\u5c42\u7ea7\u987a\u5e8f\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>opacity \u5982\u4f55\u5f71\u54cd\u5c42\u7ea7\uff1f \u5728 html \u4e2d\uff0c\u591a\u4e2a\u5143\u7d20\u5728\u540c\u4e00\u4f4d\u7f6e\u91cd\u53e0\u65f6\uff0c\u901a\u8fc7 z-index \u5c5e\u6027\u63a7\u5236\u5b83\u4eec\u7684\u5c42\u7ea7\u987a\u5e8f\u3002\u4f46\u662f\uff0c\u6709\u4e9b\u4eba\u7591\u60d1\uff0c\u5177\u6709\u534a\u900f\u660e (opacity) \u7684\u5143\u7d20\u4f1a\u5f71\u54cd\u5176\u5c42\u7ea7\u987a\u5e8f\u3002 \u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\uff1a &lt;div id=&#8221;app1&#8243;&gt; 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