双等号(==) 符号检查松散相等，而三等号(===) 符号检查严格相等。不同之处在于 (==) 松散相等将...
小程序刚开放公测，互联网圈内开始了各种解读和猜测。其中有观点认为小程序和HTML5有着紧密关联，甚至小...
2、label <%=label_tag(:label_id,"内容")%>//":label_id"--label的id //"内容"---label显示文字 3、radioButton组 <%=radio_button_tag :users,'a',false%><%= radio_button_tag :users,'b',false%> //不以数组做name//radio_button_tag(name, value, checked = false, options = {})/...
Rails多个复选框--check_box_tag 一、简单粗暴的解决方法 view <% @roles.each do |role| %> <%= check_box_tag'roles[]', role.id%> <%= label_tag role.name %> <% end %> 生成HTML页面效果 <inputtype="checkbox"value="1"name="roles[]"id="roles_"><labelfor="SuperAdmin">Superadmin...
<% end %>#定制表单构造器classLabellingFormBuilder<ActionView::Helpers::FormBuilderdeftext_field(attribute,options=[])label(attribute)+superendend 外部资源 #如果不需要access_token的话,可以关闭,如果需要,设置authenticity_token的值<%=form_tag'http://www.baidu.com',authenticity_token:falsedo%> ...
<%= check_box_tag :remember_me, 1, params[:remember_me] %> <%= submit_tag "登录", :class => "login-button btn btn-primary" %> <% end %> 1. 2. 3. 4. 5. 6. 7. 8. 其中label_tag、text_field_tag、password_field_tag...
<%= check_box_tag :remember_me, 1, params[:remember_me] %> <%= label_tag "记住账号" %> </dl> <!--参考代码,无需粘贴--> <!--<p><%= submit_tag "登录", :class => "login-button btn btn-primary" %></p>--> 1.
<%= form_tag("/contact", method: "post") do %> <%= label_tag(:subject, "Subject:") %> <%= text_field_tag(:subject) %> <%= label_tag(:message, "Message:") %> <%= text_field_tag(:message) %> <%= label_tag(:subject, "Sender:") %> <%= text_field_tag(:sender) %...
label_tag –creates a label. It has 3 parameters: first parameter sets the for attribute second parameter sets the text inside the label. Uses the value of the first argument if not specified. third parameter is a hash for setting HTML attributes text_field_tag –creates a standard te...
<dl class="form remember-me"> <%= check_box_tag :remember_me, 1, params[:remember_me] %> <%= label_tag "记住账号" %> </dl> <!--参考代码,无需粘贴--> <!--<p><%= submit_tag "登录", :class => "login-button btn btn-primary" %></p>-->...