<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="x-ua-compatible" content="ie=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>品牌列表案例</title> <link rel="stylesheet" href="./lib/bootstrap.css"> <link rel="stylesheet" href="./css/brandlist.css"> </head> <body> <div id="app"> <!-- 卡片区域 --> <div class="card"> <div class="card-header"> 添加品牌 </div> <div class="card-body"> <!-- 添加品牌的表单区域 --> <!-- form 表单元素有 submit 事件 --> <form> <div cl


看起来你的 HTML 文件在 `<form>` 标签部分被截断了。为了帮助你完成这个品牌列表案例,我将提供一个完整的示例代码,包括表单和一些基本的样式。 完整的 HTML 代码 ```html <!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="x-ua-compatible" content="ie=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>品牌列表案例</title> <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css"> <style> .card { margin: 20px; } .brand-list { list-style-type: none; padding: 0; } .brand-list li { background-color: #f8f9fa; margin: 5px 0; padding: 10px; border: 1px solid #ddd; } </style> </head> <body> <div id="app"> <!-- 卡片区域 --> <div class="card"> <div class="card-header"> 添加品牌 </div> <div class="card-body"> <!-- 添加品牌的表单区域 --> <form id="addBrandForm"> <div class="form-group"> <label for="brandName">品牌名称</label> <input type="text" class="form-control" id="brandName" placeholder="请输入品牌名称"> </div> <button type="submit" class="btn btn-primary">添加</button> </form> </div> </div> <!-- 品牌列表区域 --> <div class="card"> <div class="card-header"> 品牌列表 </div> <div class="card-body"> <ul class="brand-list" id="brandList"> <!-- 品牌列表项将通过 JavaScript 动态生成 --> </ul> </div> </div> </div> <script> document.getElementById('addBrandForm').addEventListener('submit', function(event) { event.preventDefault(); // 阻止表单默认提交行为 const brandName = document.getElementById('brandName').value.trim(); if (brandName) { // 创建新的品牌列表项 const li = document.createElement('li'); li.textContent = brandName; // 将新品牌添加到列表中 document.getElementById('brandList').appendChild(li); // 清空输入框 document.getElementById('brandName').value = ''; } else { alert('请输入品牌名称'); } }); </script> </body> </html> ``` 代码说明 1. HTML 结构: - 使用 Bootstrap 框架来快速构建响应式布局。 - 包含两个卡片区域:一个用于添加品牌,另一个用于显示品牌列表。 2. CSS 样式: - 简单的内联样式,用于美化品牌列表项。 3. JavaScript 逻辑: - 监听表单的 `submit` 事件,阻止默认提交行为。 - 获取输入的品牌名称,并创建一个新的列表项 (`<li>`)。 - 将新品牌添加到品牌列表中,并清空输入框。 运行效果 - 用户可以在表单中输入品牌名称并点击“添加”按钮。 - 输入的品牌名称将动态添加到品牌列表中。 希望这个示例对你有帮助!如果有任何问题或需要进一步的功能扩展,请告诉我。 [2024-11-18 20:40:15 | AI写代码神器 | 796点数解答]
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