两个带有 label 的单选按钮 - 在线编辑器

          <form action="demo_form.html">

  <label for="male">Male</label>

  <input type="radio" name="sex" id="male" value="male"><br>

  <label for="female">Female</label>

  <input type="radio" name="sex" id="female" value="female"><br>

  <input type="submit" value="提交">
</form>