{"id":67125,"date":"2025-05-09T09:33:28","date_gmt":"2025-05-09T01:33:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/?p=67125"},"modified":"2025-05-09T09:33:28","modified_gmt":"2025-05-09T01:33:28","slug":"css-%e9%a2%86%e5%9f%9f%e6%96%b0%e9%9d%a9%e5%91%bd%ef%bc%9afield-sizing-%e5%b1%9e%e6%80%a7%e5%8a%a9%e5%8a%9b%e8%87%aa%e9%80%82%e5%ba%94%e8%be%93%e5%85%a5%e6%a1%86%e5%bc%80%e5%8f%91%ef%bc%8c%e4%bc%98","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/67125\/","title":{"rendered":"CSS \u9886\u57df\u65b0\u9769\u547d\uff1afield-sizing \u5c5e\u6027\u52a9\u529b\u81ea\u9002\u5e94\u8f93\u5165\u6846\u5f00\u53d1\uff0c\u4f18\u5316\u524d\u7aef\u4f53\u9a8c"},"content":{"rendered":"<h2>\u524d\u8a00<\/h2>\n<p>\u5728\u73b0\u4ee3\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u7b80\u6d01\u3001\u9ad8\u6548\u4e14\u54cd\u5e94\u8fc5\u901f\u7684\u7528\u6237\u754c\u9762\u8bbe\u8ba1\u5df2\u6210\u4e3a\u8861\u91cf\u7528\u6237\u4f53\u9a8c\u7684\u91cd\u8981\u6807\u51c6\u3002\u5c24\u5176\u5728\u6587\u672c\u8f93\u5165\u533a\u57df\u7684\u4ea4\u4e92\u8bbe\u8ba1\u4e0a\uff0c\u5f00\u53d1\u8005\u957f\u671f\u4ee5\u6765\u4e0d\u5f97\u4e0d\u501f\u52a9\u590d\u6742\u7684 JavaScript \u811a\u672c\uff0c\u624d\u80fd\u5b9e\u73b0\u8f93\u5165\u6846\u6839\u636e\u5185\u5bb9\u52a8\u6001\u53d8\u5316\u7684\u6548\u679c\u3002\u800c\u5982\u4eca\uff0cCSS \u7684\u4e00\u9879\u65b0\u7279\u6027\u2014\u2014<code>field-sizing<\/code>\uff0c\u4e3a\u8fd9\u4e00\u95ee\u9898\u5e26\u6765\u4e86\u9769\u547d\u6027\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u901a\u8fc7\u7b80\u5355\u7684\u6837\u5f0f\u8bbe\u7f6e\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u8f93\u5165\u6846\u5927\u5c0f\u81ea\u52a8\u9002\u5e94\u8f93\u5165\u5185\u5bb9\u7684\u6548\u679c\uff0c\u5927\u5927\u51cf\u5c11\u524d\u7aef\u4ee3\u7801\u91cf\u5e76\u63d0\u5347\u7ef4\u62a4\u6548\u7387\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u89e3\u6790\u8fd9\u4e00\u65b0\u7279\u6027\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u4f7f\u7528\u65b9\u5f0f\u3001\u6ce8\u610f\u4e8b\u9879\u548c\u517c\u5bb9\u6027\u95ee\u9898\u3002\u540c\u65f6\uff0c\u5efa\u8bae\u5728\u90e8\u7f72\u8fd9\u7c7b\u524d\u7aef\u4f18\u5316\u529f\u80fd\u65f6\u642d\u914d<strong>\u9ad8\u6027\u80fd\u7f8e\u56fd\u670d\u52a1\u5668<\/strong>\uff0c\u4ee5\u4fdd\u969c\u6574\u4f53\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u4e0e\u7a33\u5b9a\u6027\u3002<\/p>\n<hr \/>\n<h2>\u4e00\u3001field-sizing \u662f\u4ec0\u4e48\uff1f\u5b83\u6539\u53d8\u4e86\u4ec0\u4e48\uff1f<\/h2>\n<h3>1.1 \u5c5e\u6027\u4ecb\u7ecd<\/h3>\n<p>CSS \u65b0\u5f15\u5165\u7684 <code>field-sizing<\/code> \u5c5e\u6027\u4e3b\u8981\u4f5c\u7528\u4e8e\u8868\u5355\u63a7\u4ef6\uff08\u5982 <code>&lt;input&gt;<\/code>\u3001<code>&lt;textarea&gt;<\/code>\u3001<code>&lt;select&gt;<\/code>\uff09\uff0c\u7528\u4e8e\u63a7\u5236\u5176\u5c3a\u5bf8\u662f\u5426\u4f9d\u636e\u8f93\u5165\u5185\u5bb9\u81ea\u52a8\u53d8\u5316\u3002<\/p>\n<p>\u5176\u53ef\u9009\u503c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>fixed<\/code>\uff08\u9ed8\u8ba4\u503c\uff09\uff1a\u56fa\u5b9a\u5bbd\u5ea6\uff0c\u8f93\u5165\u5185\u5bb9\u4e0d\u4f1a\u5f71\u54cd\u63a7\u4ef6\u5927\u5c0f\uff1b<\/li>\n<li><code>content<\/code>\uff1a\u63a7\u4ef6\u4f1a\u6839\u636e\u5f53\u524d\u8f93\u5165\u7684\u6587\u672c\u5185\u5bb9\u52a8\u6001\u8c03\u6574\u5c3a\u5bf8\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-css\">input, textarea, select {\r\n  field-sizing: content;\r\n}\r\n<\/code><\/pre>\n<p>\u501f\u52a9\u8fd9\u4e00\u884c\u7b80\u5355\u7684 CSS \u8bbe\u7f6e\uff0c\u5373\u53ef\u5b9e\u73b0\u4ee5\u524d\u9700\u8981\u51e0\u5341\u751a\u81f3\u4e0a\u767e\u884c JavaScript \u624d\u80fd\u5b8c\u6210\u7684 UI \u6548\u679c\u3002<\/p>\n<hr \/>\n<h2>\u4e8c\u3001\u5982\u4f55\u6b63\u786e\u4f7f\u7528 field-sizing \u5c5e\u6027\uff1f<\/h2>\n<p>\u867d\u7136 <code>field-sizing<\/code> \u4f7f\u7528\u65b9\u5f0f\u975e\u5e38\u76f4\u89c2\uff0c\u4f46\u82e5\u8981\u5728\u771f\u5b9e\u9879\u76ee\u4e2d\u83b7\u5f97\u6700\u4f73\u6548\u679c\uff0c\u8fd8\u9700\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<h3>2.1 \u8bbe\u7f6e\u6700\u5c0f\u4e0e\u6700\u5927\u5bbd\u5ea6<\/h3>\n<p>\u4e3a\u4e86\u907f\u514d\u8f93\u5165\u6846\u56e0\u5185\u5bb9\u8fc7\u5c11\u800c\u7f29\u6210\u5149\u6807\u5927\u5c0f\uff0c\u5efa\u8bae\u8bbe\u7f6e <code>min-width<\/code> \u548c <code>max-width<\/code>\uff1a<\/p>\n<pre><code class=\"language-css\">input {\r\n  field-sizing: content;\r\n  min-width: 120px;\r\n  max-width: 100%;\r\n}\r\n<\/code><\/pre>\n<p>\u8fd9\u6837\u53ef\u4ee5\u5728\u4fdd\u8bc1\u9002\u5e94\u5185\u5bb9\u7684\u540c\u65f6\uff0c\u907f\u514d\u8f93\u5165\u6846\u56e0\u8fc7\u5c0f\u6216\u8fc7\u5bbd\u800c\u7834\u574f\u5e03\u5c40\u3002<\/p>\n<h3>2.2 \u6587\u672c\u57df textarea \u7684\u53cc\u5411\u4f38\u7f29<\/h3>\n<p><code>&lt;textarea&gt;<\/code> \u5143\u7d20\u652f\u6301\u6c34\u5e73\u548c\u5782\u76f4\u65b9\u5411\u7684\u81ea\u9002\u5e94\u6269\u5c55\uff0c\u975e\u5e38\u9002\u5408\u7528\u4e8e\u7528\u6237\u7b80\u4ecb\u3001\u8bc4\u8bba\u3001\u53cd\u9988\u7b49\u573a\u666f\uff1a<\/p>\n<pre><code class=\"language-css\">textarea {\r\n  field-sizing: content;\r\n  min-width: 150px;\r\n  max-width: 600px;\r\n  min-height: 3rem;\r\n  max-height: 10rem;\r\n}\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8bbe\u7f6e\u9ad8\u5ea6\u9650\u5236\uff0c\u53ef\u4ee5\u907f\u514d\u6587\u672c\u57df\u5728\u957f\u6587\u672c\u8f93\u5165\u65f6\u65e0\u9650\u6269\u5c55\uff0c\u5f71\u54cd\u5176\u4ed6\u9875\u9762\u5143\u7d20\u7684\u6392\u7248\u3002<\/p>\n<h3>2.3 select \u5143\u7d20\u7684\u52a8\u6001\u5bbd\u5ea6<\/h3>\n<p>\u5bf9\u4e8e <code>&lt;select&gt;<\/code> \u63a7\u4ef6\uff0c\u542f\u7528 <code>field-sizing: content;<\/code> \u540e\uff0c\u5b83\u4f1a\u6839\u636e\u5f53\u524d\u9009\u4e2d\u9879\u7684\u957f\u5ea6\u81ea\u52a8\u8c03\u6574\u5bbd\u5ea6\uff0c\u4ece\u800c\u907f\u514d\u9ed8\u8ba4\u884c\u4e3a\u4e2d\u56e0\u6700\u5927\u9009\u9879\u800c\u56fa\u5b9a\u5bbd\u5ea6\u9020\u6210\u7684 UI \u4e0d\u534f\u8c03\u3002<\/p>\n<h3>2.4 \u642d\u914d maxlength \u4f7f\u7528\u66f4\u7075\u6d3b<\/h3>\n<p>\u5bf9\u4e8e\u8bbe\u5b9a\u4e86 <code>maxlength<\/code> \u7684\u8f93\u5165\u6846\uff0c\u63a7\u4ef6\u5bbd\u5ea6\u5c06\u4f9d\u636e\u6700\u5927\u8f93\u5165\u957f\u5ea6\u52a8\u6001\u53d8\u5316\uff0c\u8fd9\u4f7f\u5f97\u8868\u5355\u5728\u89c6\u89c9\u4e0a\u66f4\u5177\u4e00\u81f4\u6027\u548c\u53ef\u9884\u6d4b\u6027\uff1a<\/p>\n<pre><code class=\"language-html\">&lt;input type=\"text\" maxlength=\"20\" style=\"field-sizing: content; min-width: 100px;\"&gt;\r\n<\/code><\/pre>\n<hr \/>\n<h2>\u4e09\u3001\u771f\u5b9e\u573a\u666f\u4e0b\u7684\u5e94\u7528\u6548\u679c<\/h2>\n<p>\u4ee5\u201c\u4e2a\u4eba\u7b80\u4ecb\u201d\u5b57\u6bb5\u4e3a\u4f8b\uff1a<\/p>\n<p>\u4f20\u7edf\u505a\u6cd5\u4e2d\uff0c<code>&lt;textarea&gt;<\/code> \u5c3a\u5bf8\u901a\u5e38\u56fa\u5b9a\uff0c\u8f93\u5165\u6587\u5b57\u8d85\u8fc7\u9650\u5236\u540e\u53ea\u80fd\u901a\u8fc7\u6eda\u52a8\u6761\u67e5\u770b\uff0c\u4f53\u9a8c\u4e0d\u4f73\u3002<\/p>\n<p>\u4f7f\u7528\u65b0\u5c5e\u6027\u540e\uff0c\u4ec5\u9700\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-css\">textarea {\r\n  field-sizing: content;\r\n  min-height: 3rem;\r\n  max-width: 100%;\r\n}\r\n<\/code><\/pre>\n<p>\u7528\u6237\u8f93\u5165\u5185\u5bb9\u8d8a\u591a\uff0c\u6587\u672c\u6846\u5c31\u4f1a\u81ea\u7136\u6269\u5c55\uff0c\u514d\u53bb\u6eda\u52a8\u6761\u64cd\u4f5c\uff0c\u6781\u5927\u63d0\u5347\u4e86\u4ea4\u4e92\u8212\u9002\u5ea6\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u90e8\u7f72\u8fd9\u7c7b\u52a8\u6001 UI \u7ec4\u4ef6\u65f6\uff0c\u82e5\u642d\u914d<strong>\u7f8e\u56fdvps<\/strong>\u6216<strong>\u7f8e\u56fd\u4e91\u670d\u52a1\u5668<\/strong>\uff0c\u80fd\u8fdb\u4e00\u6b65\u4fdd\u969c\u52a0\u8f7d\u6d41\u7545\u6027\uff0c\u5c24\u5176\u5728\u590d\u6742\u524d\u7aef\u5e94\u7528\u4e2d\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n<hr \/>\n<h2>\u56db\u3001\u4f18\u52bf\u4e0e\u9650\u5236\u5171\u5b58<\/h2>\n<h3>\u2705 \u4f18\u52bf\u4eae\u70b9<\/h3>\n<ul>\n<li><strong>\u6781\u7b80\u5b9e\u73b0<\/strong>\uff1a\u53ea\u9700\u4e00\u884c CSS\uff0c\u65e0\u9700\u989d\u5916 JavaScript\uff1b<\/li>\n<li><strong>\u63d0\u5347\u7528\u6237\u4f53\u9a8c<\/strong>\uff1a\u8f93\u5165\u6846\u81ea\u9002\u5e94\u5185\u5bb9\u957f\u5ea6\uff0c\u64cd\u4f5c\u76f4\u89c2\uff1b<\/li>\n<li><strong>\u589e\u5f3a\u53ef\u7ef4\u62a4\u6027<\/strong>\uff1a\u524d\u7aef\u903b\u8f91\u66f4\u6e05\u6670\uff0c\u6613\u4e8e\u8c03\u8bd5\u4e0e\u8fed\u4ee3\uff1b<\/li>\n<li><strong>\u652f\u6301\u6e10\u8fdb\u589e\u5f3a<\/strong>\uff1a\u5728\u4e0d\u652f\u6301\u8be5\u5c5e\u6027\u7684\u6d4f\u89c8\u5668\u4e2d\u5c06\u81ea\u52a8\u56de\u9000\u4e3a\u56fa\u5b9a\u5bbd\u5ea6\uff0c\u4e0d\u5f71\u54cd\u9875\u9762\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h3>\u26a0\ufe0f \u5f53\u524d\u5c40\u9650\u6027<\/h3>\n<ul>\n<li><strong>\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u4e0d\u5168<\/strong>\uff1a\u622a\u81f32025\u5e74\uff0c\u4ec5 Chromium \u5185\u6838\u6d4f\u89c8\u5668\u652f\u6301\uff08\u5982 Chrome\u3001Edge\uff09\uff0cFirefox\u3001Safari \u5c1a\u672a\u8ddf\u8fdb\uff1b<\/li>\n<li><strong>\u9700\u8bbe\u7f6e\u5408\u7406\u5c3a\u5bf8\u9650\u5236<\/strong>\uff1a\u907f\u514d\u51fa\u73b0\u5f02\u5e38\u5bbd\u5ea6\u5bfc\u81f4\u5e03\u5c40\u9519\u4e71\uff1b<\/li>\n<li><strong>\u90e8\u5206\u573a\u666f\u7528\u5904\u6709\u9650<\/strong>\uff1a\u9002\u7528\u4e8e\u52a8\u6001\u8f93\u5165\u573a\u666f\uff0c\u4e0d\u9002\u5408\u6240\u6709\u8868\u5355\u63a7\u4ef6\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>\u4e94\u3001\u603b\u7ed3<\/h2>\n<p>CSS <code>field-sizing<\/code> \u5c5e\u6027\u7684\u51fa\u73b0\uff0c\u4e3a\u8868\u5355\u63a7\u4ef6\u7684\u4ea4\u4e92\u8bbe\u8ba1\u5e26\u6765\u4e86\u524d\u6240\u672a\u6709\u7684\u4fbf\u5229\u3002\u5b83\u4e0d\u4ec5\u7cbe\u7b80\u4e86\u5f00\u53d1\u6d41\u7a0b\uff0c\u8fd8\u76f4\u63a5\u63d0\u5347\u4e86\u7528\u6237\u64cd\u4f5c\u7684\u8212\u9002\u5ea6\uff0c\u7279\u522b\u9002\u7528\u4e8e\u5185\u5bb9\u52a8\u6001\u53d8\u5316\u7684\u8f93\u5165\u573a\u666f\u3002<\/p>\n<p>\u5bf9\u4e8e\u5f00\u53d1\u590d\u6742 Web 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