forms of rails(bookmark)

最新推荐文章于 2025-09-30 19:42:50 发布

最新推荐文章于 2025-09-30 19:42:50 发布 · 117 阅读

文章标签：

#Rails #ASP #Blog

本文介绍Rails框架中常见的表单元素及其用法，包括文本框、密码框、文件上传等，并展示了如何通过实例代码来创建这些表单元素。

http://www.amonline.cn/blog/article.asp?id=48

表单开始标签:

Use :multipart => true to define a Mime-Multipart form (for file uploads)
表单结束标签:

文本框 Text fields

生成:

实例:

text_field "post", "title", "size" => 20
size="20" value="#{@post.title}" />

隐藏框:

密码框:

文件框

Rails Textarea框

实例:
text_area "post", "body", "cols" => 20, "rows" => 40
<br /> <a href="mailto:#{@post.body" _fcksavedurl="mailto:#{@post.body"><font color="#0000ff">#{@post.body</font></a>}<br />

单选框 Radio Buttons

实例:
radio_button "post", "category", "rails"
radio_button "post", "category", "java"
    value="rails"
           checked="checked" />
    value="java" />

多选框 Check Box

实例
check_box "post", "validated"   # post.validated? returns 1 or 0
               value="1" checked="checked" />
    value="0" />

check_box "puppy", "gooddog", {}, "yes", "no"
value="yes" />
value="no" />

下拉菜单框 Select Menu
select "post",
        "person_id",
        Person.find_all.collect {|p| [ p.name, p.id ] },
        { :include_blank => true }

value="1" selected="selected">David value="2">Sam value="3">Tobias

Collection Selection

日期选择框:

实例:
date_select "post", "written_on"
date_select "user", "birthday", :start_year => 1910
date_select "user", "cc_date", :start_year => 2005,
                               :use_month_numbers => true,
                               :discard_day => true,
                               :order => [:year, :month]

datetime_select "post", "written_on"