console 命令行工具 X clear
console
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>单选按钮</title>
</head>

<body>
    <form action="" method="get">
        <div>
            性别：<br> 男：
            <input type="radio" name="sex" value="male"> 女：
            <input type="radio" name="sex" value="female">
        </div>
        <div>
            <br>
            <input type="checkbox" name="dx" value="apple">苹果<br>
            <input type="checkbox" name="dx" value="pear">梨子<br>
            <input type="checkbox" name="dx" value="peach">桃子
        </div>
</body>

</html>