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HomeWeb Front-endHTML TutorialHTML CSS之FORM_html/css_WEB-ITnose

 form 表单 常用于收集不同类用户的输入,允许用户收集:文本域(text)、下拉列表(select)、单选框(radio)、复选框(checkbox) 以及动按纽(Action)

表单标签

标签 描述
定义供用户输入的表单
定义输入域
定义文本域 (一个多行的输入控件)
定义一个控制的标签
定义域
定义域的标题
定义一个选择列表
定义选项组
定义下拉列表中的选项
定义一个按钮



     大多数表单标签都是input标签,输入类型是(type)定义的。

            例:

                

                           当需要默认值时用 value属性

                

                        (默认选中)  单选

                

                           (默认选中) 多选


            下拉列表使用到的元素为: select  属性为:option

            例:

         

                

 selected为默认选择属性

          

   

本例演示如何在数据周围绘制一个带标题的框。

健康信息

身高:

三围:

Button 按钮的三个属性

submit 该按钮是提交按钮(除了 Internet Explorer,该值是其他浏览器的默认值)。
button 该按钮是可点击的按钮(Internet Explorer 的默认值)。
reset 该按钮是重置按钮(清除表单数据)。
<form action="form_action.asp" method="get">  First name: <input type="text" name="fname" />  Last name: <input type="text" name="lname" />    <button type="submit" value="Submit">Submit</button>  <button type="reset" value="Reset">Reset</button></form>



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