js实现移动端类似微信tab切换

<div class="tab-container">
  <div class="tab-buttons">
    <button class="tab-button active" data-tab="home">首页</button>
    <button class="tab-button" data-tab="profile">个人资料</button>
    <button class="tab-button" data-tab="settings">设置</button>
  </div>
  <div class="tab-content">
    <div id="home" class="tab-pane active">
      首页内容
    </div>
    <div id="profile" class="tab-pane">
      个人资料内容
    </div>
    <div id="settings" class="tab-pane">
      设置内容
    </div>
  </div>
</div>

.tab-container {
  width: 100%;
}

.tab-buttons {
  display: flex;
  border-bottom: 1px solid #ccc;
}

.tab-button {
  padding: 10px 20px;
  cursor: pointer;
}

.tab-button.active {
  background-color: #f0f0f0;
  border-bottom: 2px solid #007bff;
}

.tab-content {
  padding: 20px;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

document.addEventListener('DOMContentLoaded', function() {
  const buttons = document.querySelectorAll('.tab-button');
  
  buttons.forEach(button => {
    button.addEventListener('click', function() {
      const targetTab = this.getAttribute('data-tab');
      
      // 移除所有按钮的 active 类
      buttons.forEach(btn => btn.classList.remove('active'));
      // 添加当前按钮的 active 类
      this.classList.add('active');
      
      // 隐藏所有内容面板
      document.querySelectorAll('.tab-pane').forEach(pane => pane.classList.remove('active'));
      // 显示目标内容面板
      document.getElementById(targetTab).classList.add('active');
    });
  });
});