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批改状态：合格
老师批语：请下次统一提交, 不要分多次
form最常用的属性：action,name,method（我称之为表单三兄弟）
<!DOCTYPE html> <html lang="zh_CN"> <head> <meta charset="UTF-8"> <title>表单</title> </head> <body> <h3>用户注册</h3> <form action="" method="get" name="register"> <p> <label for="username">账号</label> <input type="text" name="username" id="username" autofocus placeholder="请输入用户名"> </p> <p> <label for="password">密码</label> <input type="password" name="password" id="password" placeholder="密码不能太简单了"> </p> <p> <label for="email">邮箱</label> <input type="email" name="email" id="email" placeholder="example@mail.com" required> </p> <p> <label for="age">年龄</label> <input type="number" name="age" id="age" min="16" max="60"> </p> <p> <label for="birthday">生日</label> <input type="date" name="birthday" id="birthday"> </p> <p> <label for="course">课程</label> <select name="course" id="course"> <option value="1">html</option> <option value="2">css</option> <option value="3">js</option> <option value="4" selected>php</option> <option value="5">mysql</option> <option value="6">thinkphp</option> </select> </p> <p> <label for="code">爱好</label> <input type="checkbox" name="hobby[]" id="game" value="game"><label for="game">游戏</label> <input type="checkbox" name="hobby[]" id="code" value="code"><label for="code">写代码</label> <input type="checkbox" name="hobby[]" id="movie" value="movie" checked><label for="movie">看片</label> </p> <p> <label for="male">性别</label> <input type="radio" name="gender" id="male" value="male"><label for="male">男</label> <input type="radio" name="gender" id="female" value="female"><label for="female">女</label> <input type="radio" name="gender" id="secret" value="secret" checked><label for="secret">保密</label> </p> <p> <label for="comment">简介</label> <textarea name="comment" id="comment" cols="30" rows="10" placeholder="不超过30个字"></textarea> </p> <p> <input type="submit" value="提交"> <input type="reset" value="重置"> <input type="button" value="按钮"> <button>提交1</button> </p> </form> </body> </html>
点击 "运行实例" 按钮查看在线实例
单选，复选，下拉选不能忘写value，
required 是必填项
placeholder 是提示语（占位符）
autofocus是自动焦点
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