{"id":1929,"date":"2025-02-22T14:10:48","date_gmt":"2025-02-22T06:10:48","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1929"},"modified":"2025-02-22T14:10:48","modified_gmt":"2025-02-22T06:10:48","slug":"html-%e8%a1%a8%e5%8d%95%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/22\/html-%e8%a1%a8%e5%8d%95%e4%bc%98%e5%8c%96\/","title":{"rendered":"HTML \u8868\u5355\u4f18\u5316"},"content":{"rendered":"\n

HTML \u8868\u5355\u662f\u4e0e\u7528\u6237\u8fdb\u884c\u4ea4\u4e92\u7684\u4e3b\u8981\u65b9\u5f0f\u4e4b\u4e00\uff0c\u8868\u5355\u4f18\u5316\u4e0d\u4ec5\u80fd\u63d0\u9ad8\u7528\u6237\u4f53\u9a8c\uff0c\u8fd8\u80fd\u786e\u4fdd\u8868\u5355\u7684\u9ad8\u6548\u6027\u3001\u53ef\u8bbf\u95ee\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4f18\u5316\u8868\u5355\u53ef\u4ee5\u4ece\u591a\u4e2a\u65b9\u9762\u7740\u624b\uff0c\u5305\u62ec\u8868\u5355\u8bbe\u8ba1\u3001\u5b57\u6bb5\u9a8c\u8bc1\u3001\u7528\u6237\u63d0\u793a\u7b49\u3002<\/p>\n\n\n\n

\u4ee5\u4e0b\u662f\u5bf9 HTML \u8868\u5355\u4f18\u5316\u7684\u8be6\u7ec6\u63a2\u8ba8\u3002<\/p>\n\n\n\n

\n\n\n\n

1. \u8868\u5355\u5e03\u5c40\u4f18\u5316<\/strong><\/h3>\n\n\n\n

1.1. \u4f7f\u7528\u5408\u9002\u7684\u5e03\u5c40<\/strong><\/h4>\n\n\n\n
    \n
  • \u5206\u7ec4\u8f93\u5165\u5b57\u6bb5<\/strong>\uff1a\u5c06\u76f8\u5173\u7684\u8f93\u5165\u5b57\u6bb5\u5206\u7ec4\u5728\u4e00\u8d77\uff08\u4f8b\u5982\uff1a\u59d3\u540d\u3001\u90ae\u7bb1\u3001\u5bc6\u7801\u7b49\uff09\uff0c\u8fd9\u6837\u7528\u6237\u53ef\u4ee5\u66f4\u6e05\u6670\u5730\u7406\u89e3\u6bcf\u4e2a\u90e8\u5206\u3002<\/li>\n\n\n\n
  • \u4f7f\u7528\u5b57\u6bb5\u96c6<\/strong>\uff1a<fieldset><\/code> \u6807\u7b7e\u53ef\u4ee5\u5c06\u76f8\u5173\u8868\u5355\u5b57\u6bb5\u5206\u7ec4\uff0c<legend><\/code> \u6807\u7b7e\u4e3a\u5206\u7ec4\u63d0\u4f9b\u6807\u9898\uff0c\u8fd9\u4e0d\u4ec5\u6709\u52a9\u4e8e\u7ec4\u7ec7\u7ed3\u6784\uff0c\u4e5f\u589e\u52a0\u4e86\u53ef\u8bbf\u95ee\u6027\u3002<\/li>\n<\/ul>\n\n\n\n
    <fieldset>\n  <legend>\u4e2a\u4eba\u4fe1\u606f<\/legend>\n  <label for=\"name\">\u59d3\u540d\uff1a<\/label>\n  <input type=\"text\" id=\"name\" name=\"name\">\n  <label for=\"email\">\u90ae\u7bb1\uff1a<\/label>\n  <input type=\"email\" id=\"email\" name=\"email\">\n<\/fieldset><\/code><\/pre>\n\n\n\n
    1.2. \u54cd\u5e94\u5f0f\u8bbe\u8ba1<\/strong><\/h4>\n\n\n\n
      \n
    • \u4f7f\u7528 CSS \u5a92\u4f53\u67e5\u8be2\u786e\u4fdd\u8868\u5355\u5728\u4e0d\u540c\u8bbe\u5907\u4e0a\u7684\u663e\u793a\u6548\u679c\uff0c\u5c24\u5176\u662f\u79fb\u52a8\u8bbe\u5907\u3002\u901a\u8fc7\u5408\u9002\u7684\u5e03\u5c40\u8ba9\u8868\u5355\u5728\u5c0f\u5c4f\u5e55\u4e0a\u4e5f\u80fd\u6d41\u7545\u5c55\u793a\u3002<\/li>\n<\/ul>\n\n\n\n
      form {\n  display: flex;\n  flex-direction: column;\n}\n\n@media screen and (min-width: 600px) {\n  form {\n    flex-direction: row;\n    justify-content: space-between;\n  }\n}<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      2. \u8868\u5355\u5b57\u6bb5\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n
      2.1. \u4f7f\u7528 HTML5 \u9a8c\u8bc1\u529f\u80fd<\/strong><\/h4>\n\n\n\n
      HTML5 \u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u7684\u9a8c\u8bc1\u529f\u80fd\uff0c\u80fd\u591f\u5bf9\u8868\u5355\u8fdb\u884c\u57fa\u672c\u9a8c\u8bc1\uff0c\u51cf\u5c11\u5f00\u53d1\u8005\u7684\u5de5\u4f5c\u91cf\u3002<\/p>\n\n\n\n
        \n
      • \u5fc5\u586b\u5b57\u6bb5<\/strong>\uff1a\u4f7f\u7528 required<\/code> \u5c5e\u6027\u6307\u5b9a\u5b57\u6bb5\u4e3a\u5fc5\u586b\u9879\u3002<\/li>\n\n\n\n
      • \u6a21\u5f0f\u5339\u914d<\/strong>\uff1a\u4f7f\u7528 pattern<\/code> \u5c5e\u6027\u8fdb\u884c\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\uff0c\u4f8b\u5982\uff0c\u90ae\u7bb1\u5b57\u6bb5\u3002<\/li>\n\n\n\n
      • \u7c7b\u578b\u9a8c\u8bc1<\/strong>\uff1a\u4f7f\u7528 type=\"email\"<\/code> \u6216 type=\"url\"<\/code> \u8fdb\u884c\u57fa\u672c\u7684\u90ae\u7bb1\u6216\u7f51\u5740\u683c\u5f0f\u9a8c\u8bc1\u3002<\/li>\n<\/ul>\n\n\n\n
        <form>\n  <label for=\"email\">\u90ae\u7bb1\uff1a<\/label>\n  <input type=\"email\" id=\"email\" name=\"email\" required>\n  <label for=\"password\">\u5bc6\u7801\uff1a<\/label>\n  <input type=\"password\" id=\"password\" name=\"password\" required>\n  <button type=\"submit\">\u63d0\u4ea4<\/button>\n<\/form><\/code><\/pre>\n\n\n\n
        2.2. \u81ea\u5b9a\u4e49\u9a8c\u8bc1\u63d0\u793a<\/strong><\/h4>\n\n\n\n
        \u5c3d\u7ba1 HTML5 \u63d0\u4f9b\u4e86\u4e00\u4e9b\u57fa\u672c\u9a8c\u8bc1\u529f\u80fd\uff0c\u4f46\u6709\u65f6\u4f60\u53ef\u80fd\u9700\u8981\u66f4\u590d\u6742\u7684\u9a8c\u8bc1\u903b\u8f91\u3002\u53ef\u4ee5\u901a\u8fc7 JavaScript \u81ea\u5b9a\u4e49\u8868\u5355\u9a8c\u8bc1\uff0c\u5e76\u5728\u9a8c\u8bc1\u5931\u8d25\u65f6\u63d0\u4f9b\u53cb\u597d\u7684\u9519\u8bef\u63d0\u793a\u3002<\/p>\n\n\n\n
        <form onsubmit=\"return validateForm()\">\n  <label for=\"email\">\u90ae\u7bb1\uff1a<\/label>\n  <input type=\"email\" id=\"email\" name=\"email\" required>\n  <button type=\"submit\">\u63d0\u4ea4<\/button>\n<\/form>\n\n<script>\n  function validateForm() {\n    const email = document.getElementById('email').value;\n    if (email === '') {\n      alert('\u90ae\u7bb1\u4e0d\u80fd\u4e3a\u7a7a');\n      return false;\n    }\n    return true;\n  }\n<\/script><\/code><\/pre>\n\n\n\n
        \n\n\n\n
        3. \u7528\u6237\u4f53\u9a8c\u4f18\u5316<\/strong><\/h3>\n\n\n\n
        3.1. \u4f7f\u7528\u5360\u4f4d\u7b26\u548c\u6807\u7b7e<\/strong><\/h4>\n\n\n\n
          \n
        • \u5360\u4f4d\u7b26\uff08placeholder\uff09<\/strong>\uff1a\u5360\u4f4d\u7b26\u5e2e\u52a9\u7528\u6237\u7406\u89e3\u8f93\u5165\u5b57\u6bb5\u7684\u9884\u671f\u683c\u5f0f\u3002<\/li>\n\n\n\n
        • \u6807\u7b7e\uff08label\uff09<\/strong>\uff1a\u786e\u4fdd\u6bcf\u4e2a\u8868\u5355\u5b57\u6bb5\u90fd\u6709\u63cf\u8ff0\u6027\u6807\u7b7e\uff0c\u5e2e\u52a9\u7528\u6237\u7406\u89e3\u8be5\u5b57\u6bb5\u7684\u7528\u9014\u3002<\/li>\n<\/ul>\n\n\n\n
          <label for=\"email\">\u90ae\u7bb1\uff1a<\/label>\n<input type=\"email\" id=\"email\" name=\"email\" placeholder=\"\u8bf7\u8f93\u5165\u90ae\u7bb1\"><\/code><\/pre>\n\n\n\n
          3.2. \u63d0\u4f9b\u9ed8\u8ba4\u503c<\/strong><\/h4>\n\n\n\n
          \u4e3a\u5e38\u89c1\u5b57\u6bb5\u63d0\u4f9b\u9ed8\u8ba4\u503c\u53ef\u4ee5\u7b80\u5316\u7528\u6237\u8f93\u5165\uff0c\u5c24\u5176\u662f\u65e5\u671f\u548c\u9009\u9879\u5b57\u6bb5\u3002<\/p>\n\n\n\n
          <label for=\"gender\">\u6027\u522b\uff1a<\/label>\n<select id=\"gender\" name=\"gender\">\n  <option value=\"male\" selected>\u7537<\/option>\n  <option value=\"female\">\u5973<\/option>\n<\/select><\/code><\/pre>\n\n\n\n
          3.3. \u6309\u94ae\u4f18\u5316<\/strong><\/h4>\n\n\n\n
          \u786e\u4fdd\u6309\u94ae\u5728\u63d0\u4ea4\u8868\u5355\u65f6\u6613\u4e8e\u8bc6\u522b\uff0c\u5e76\u5728\u9700\u8981\u65f6\u63d0\u4f9b\u201c\u91cd\u7f6e\u201d\u6309\u94ae\u3002<\/p>\n\n\n\n
          <button type=\"submit\">\u63d0\u4ea4<\/button>\n<button type=\"reset\">\u91cd\u7f6e<\/button><\/code><\/pre>\n\n\n\n
          \n\n\n\n
          4. \u8868\u5355\u53ef\u8bbf\u95ee\u6027\u4f18\u5316<\/strong><\/h3>\n\n\n\n
          4.1. \u4f7f\u7528\u9002\u5f53\u7684\u6807\u7b7e<\/strong><\/h4>\n\n\n\n
            \n
          • <label><\/code> \u6807\u7b7e<\/strong>\uff1a\u6bcf\u4e2a\u8868\u5355\u5143\u7d20\u5e94\u8be5\u4e0e\u4e00\u4e2a <label><\/code> \u6807\u7b7e\u5173\u8054\uff0c\u8fd9\u6709\u52a9\u4e8e\u5c4f\u5e55\u9605\u8bfb\u5668\u8bfb\u53d6\u8868\u5355\u5b57\u6bb5\u3002<\/li>\n\n\n\n
          • \u5b57\u6bb5\u63d0\u793a<\/strong>\uff1a\u4f7f\u7528 ARIA \u5c5e\u6027\uff08\u5982 aria-label<\/code> \u548c aria-describedby<\/code>\uff09\u4e3a\u5c4f\u5e55\u9605\u8bfb\u5668\u7528\u6237\u63d0\u4f9b\u8be6\u7ec6\u63d0\u793a\u3002<\/li>\n<\/ul>\n\n\n\n
            <label for=\"email\">\u90ae\u7bb1\uff1a<\/label>\n<input type=\"email\" id=\"email\" name=\"email\" aria-describedby=\"emailHelp\">\n<span id=\"emailHelp\">\u8bf7\u8f93\u5165\u6709\u6548\u7684\u90ae\u7bb1\u5730\u5740<\/span><\/code><\/pre>\n\n\n\n
            4.2. \u4f7f\u7528\u5b57\u6bb5\u7ec4<\/strong><\/h4>\n\n\n\n
            \u4f7f\u7528 <fieldset><\/code> \u548c <legend><\/code> \u6807\u7b7e\u5bf9\u8868\u5355\u8fdb\u884c\u5206\u7ec4\uff0c\u6709\u52a9\u4e8e\u6e05\u6670\u5730\u4f20\u8fbe\u6bcf\u4e2a\u5b57\u6bb5\u7ec4\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n
            <fieldset>\n  <legend>\u8d26\u6237\u4fe1\u606f<\/legend>\n  <label for=\"username\">\u7528\u6237\u540d\uff1a<\/label>\n  <input type=\"text\" id=\"username\" name=\"username\" required>\n  <label for=\"password\">\u5bc6\u7801\uff1a<\/label>\n  <input type=\"password\" id=\"password\" name=\"password\" required>\n<\/fieldset><\/code><\/pre>\n\n\n\n
            4.3. \u9519\u8bef\u63d0\u793a\u548c\u5e2e\u52a9<\/strong><\/h4>\n\n\n\n
              \n
            • \u9519\u8bef\u63d0\u793a<\/strong>\uff1a\u5f53\u7528\u6237\u63d0\u4ea4\u8868\u5355\u65f6\uff0c\u786e\u4fdd\u5728\u5b57\u6bb5\u9a8c\u8bc1\u5931\u8d25\u65f6\u63d0\u4f9b\u6e05\u6670\u7684\u9519\u8bef\u4fe1\u606f\u3002<\/li>\n\n\n\n
            • \u5e2e\u52a9\u6587\u672c<\/strong>\uff1a\u4e3a\u8868\u5355\u5143\u7d20\u63d0\u4f9b\u5e2e\u52a9\u6587\u672c\uff0c\u5c24\u5176\u662f\u5728\u7528\u6237\u53ef\u80fd\u4e0d\u786e\u5b9a\u5982\u4f55\u586b\u5199\u65f6\u3002<\/li>\n<\/ul>\n\n\n\n
              \n\n\n\n
              5. \u6539\u5584\u8868\u5355\u63d0\u4ea4\u4f53\u9a8c<\/strong><\/h3>\n\n\n\n
              5.1. AJAX \u63d0\u4ea4<\/strong><\/h4>\n\n\n\n
              \u901a\u8fc7\u4f7f\u7528 AJAX \u63d0\u4ea4\u8868\u5355\uff0c\u53ef\u4ee5\u5728\u4e0d\u5237\u65b0\u9875\u9762\u7684\u60c5\u51b5\u4e0b\u63d0\u4ea4\u6570\u636e\uff0c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n\n\n\n
              <form id=\"myForm\">\n  <label for=\"name\">\u59d3\u540d\uff1a<\/label>\n  <input type=\"text\" id=\"name\" name=\"name\" required>\n  <button type=\"submit\">\u63d0\u4ea4<\/button>\n<\/form>\n\n<script>\n  document.getElementById('myForm').addEventListener('submit', function(event) {\n    event.preventDefault();\n    const formData = new FormData(this);\n    fetch('\/submit-form', {\n      method: 'POST',\n      body: formData,\n    }).then(response => response.json())\n      .then(data => alert('\u63d0\u4ea4\u6210\u529f\uff01'))\n      .catch(error => alert('\u63d0\u4ea4\u5931\u8d25\uff01'));\n  });\n<\/script><\/code><\/pre>\n\n\n\n
              5.2. \u8868\u5355\u9884\u586b\u5145<\/strong><\/h4>\n\n\n\n
              \u4f7f\u7528\u672c\u5730\u5b58\u50a8\uff08LocalStorage\uff09\u6216\u670d\u52a1\u5668\u7aef\u7684\u6570\u636e\u9884\u586b\u5145\u8868\u5355\uff0c\u63d0\u9ad8\u8868\u5355\u63d0\u4ea4\u7684\u6548\u7387\u3002<\/p>\n\n\n\n
              <input type=\"text\" id=\"name\" name=\"name\">\n<script>\n  document.getElementById('name').value = localStorage.getItem('name');\n  document.getElementById('name').addEventListener('input', function() {\n    localStorage.setItem('name', this.value);\n  });\n<\/script><\/code><\/pre>\n\n\n\n
              \n\n\n\n
              6. \u6027\u80fd\u4f18\u5316<\/strong><\/h3>\n\n\n\n
              6.1. \u5ef6\u8fdf\u52a0\u8f7d<\/strong><\/h4>\n\n\n\n
              \u5bf9\u4e8e\u8f83\u957f\u7684\u8868\u5355\uff0c\u8003\u8651\u5206\u591a\u6b65\u5c55\u793a\uff0c\u9010\u6b65\u6536\u96c6\u7528\u6237\u4fe1\u606f\uff0c\u51cf\u5c11\u9875\u9762\u52a0\u8f7d\u65f6\u95f4\u3002<\/p>\n\n\n\n
              6.2. \u5f02\u6b65\u5b57\u6bb5\u9a8c\u8bc1<\/strong><\/h4>\n\n\n\n
              \u4f7f\u7528\u5f02\u6b65\u9a8c\u8bc1\uff08\u5982\u68c0\u67e5\u7528\u6237\u540d\u662f\u5426\u5df2\u5b58\u5728\uff09\u53ef\u4ee5\u907f\u514d\u5728\u63d0\u4ea4\u8868\u5355\u65f6\u9a8c\u8bc1\u6240\u6709\u5b57\u6bb5\uff0c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n\n\n\n
              <input type=\"text\" id=\"username\" name=\"username\" onblur=\"checkUsername()\">\n<script>\n  function checkUsername() {\n    const username = document.getElementById('username').value;\n    fetch(`\/check-username?username=${username}`)\n      .then(response => response.json())\n      .then(data => {\n        if (data.exists) {\n          alert('\u7528\u6237\u540d\u5df2\u5b58\u5728');\n        }\n      });\n  }\n<\/script><\/code><\/pre>\n\n\n\n
              \n\n\n\n
              \u603b\u7ed3<\/strong><\/h3>\n\n\n\n
              HTML \u8868\u5355\u4f18\u5316\u4e0d\u4ec5\u662f\u4e3a\u4e86\u63d0\u5347\u7528\u6237\u4f53\u9a8c\uff0c\u8fd8\u80fd\u589e\u52a0\u8868\u5355\u7684\u53ef\u8bbf\u95ee\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u901a\u8fc7\u5408\u7406\u5e03\u5c40\u3001\u6709\u6548\u7684\u5b57\u6bb5\u9a8c\u8bc1\u3001\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u3001\u8868\u5355\u5b57\u6bb5\u7684\u667a\u80fd\u63d0\u793a\u548c\u9884\u586b\u5145\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u8868\u5355\u7684\u4e92\u52a8\u6027\u548c\u6548\u7387\u3002\u6b64\u5916\uff0c\u5229\u7528\u73b0\u4ee3\u6280\u672f\uff08\u5982 AJAX\u3001\u5f02\u6b65\u9a8c\u8bc1\u7b49\uff09\u8fdb\u4e00\u6b65\u63d0\u5347\u8868\u5355\u4ea4\u4e92\u4f53\u9a8c\uff0c\u786e\u4fdd\u7528\u6237\u63d0\u4ea4\u8868\u5355\u65f6\u7684\u987a\u7545\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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