Ruby on Rails HTML表单语句大全

最新推荐文章于 2025-11-23 05:17:46 发布

最新推荐文章于 2025-11-23 05:17:46 发布 · 124 阅读

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#Rails #HTML #Ruby #.net

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本文详细介绍了使用Rails框架创建各种表单元素的方法，包括文本框、密码框、文件上传框等，并提供了丰富的实例代码。


http://www.blogjava.net/wldandan/archive/2007/12/15/167920.html
初学者必备


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:#%7B@post.body" _fcksavedurl="mailto:#%7B@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"