Ruby on rails 时间\选择空白字段保存提交表单时的默认时间
我很难理解我的时间选择。我的目标是在表单提交后,仅在我的show操作中呈现用户创建的时间选择 但是,对于用户未触及的所有时间选择字段,默认呈现时间为上午12:00。我正在寻找一种方法来停止保存默认时间值(如果我不得不猜测,这是不可能的),或者创建一个条件来阻止渲染默认时间值 到目前为止,我查看了以下内容,但没有成功: 这是我的密码:Ruby on rails 时间\选择空白字段保存提交表单时的默认时间,ruby-on-rails,ruby-on-rails-3,time-select,Ruby On Rails,Ruby On Rails 3,Time Select,我很难理解我的时间选择。我的目标是在表单提交后,仅在我的show操作中呈现用户创建的时间选择 但是,对于用户未触及的所有时间选择字段,默认呈现时间为上午12:00。我正在寻找一种方法来停止保存默认时间值(如果我不得不猜测,这是不可能的),或者创建一个条件来阻止渲染默认时间值 到目前为止,我查看了以下内容,但没有成功: 这是我的密码: _form.html.erb (only the snippet that I am having trouble with for brevity)
_form.html.erb (only the snippet that I am having trouble with for brevity)
<td>
<span style="display: block; width: auto; margin-left: 4%">
<%= f.time_select :med1_time_of_day1, { include_blank: true, twelve_hour: true, minute_step: 15, ampm: true }, style: "width: 45%;" %>
</span>
<span style="display: block; width: auto; margin-left: 4%">
<%= f.time_select :med1_time_of_day2, { include_blank: true, twelve_hour: true, minute_step: 15, ampm: true }, style: "width: 45%;" %>
</span>
<span style="display: block; width: auto; margin-left: 4%">
<%= f.time_select :med1_time_of_day3, { include_blank: true, twelve_hour: true, minute_step: 15, ampm: true }, style: "width: 45%;" %>
</span>
<span style="display: block; width: auto; margin-left: 4%">
<%= f.time_select :med1_time_of_day4, { include_blank: true, twelve_hour: true, minute_step: 15, ampm: true }, style: "width: 45%;" %>
</span>
</td>
<td>
\u form.html.erb(为简洁起见,仅限于我遇到问题的代码片段)
show.html.erb
药物名称和使用说明
一天中的时间
服用药物当月的天
注意:我还尝试替换@instance\u var.nil?具有
@实例变量为空?和@instance\u var.empty?没有成功
万一需要控制器
med_record_forms_controller.rb
class MedRecordFormsController < ApplicationController
before_filter :get_resident
def index
@med_record_form = @resident.med_record_forms
end
def new
@med_record_form = @resident.med_record_forms.build
end
def create
@med_record_form = @resident.med_record_forms.build(params[:med_record_form])
if @med_record_form.save
redirect_to [@resident, @med_record_form] #, flash_class[:success] = "Form was created!"
else
render 'new' #, flash[:error] = "There was a problem with the form"
end
end
def show
@med_record_form = @resident.med_record_forms.find(params[:id])
end
def update
@med_record_form = @resident.med_record_forms.find(params[:id])
if @med_record_form.update_attributes(params[:med_record_form])
flash[:success] = "Form updated"
redirect_to controller: 'residents', action: 'show', id: params[:id]
else
render 'edit', flash[:error] = "Unable to update form"
end
end
def edit
@med_record_form = @resident.med_record_forms.find(params[:id])
end
def destroy
@med_record_form = @resident.med_record_forms.find(params[:id])
@med_record_form.destroy
flash[:notice] = "You sure?"
redirect_to resident_med_record_forms_path
end
private
# get_resident converts the resident_id given by the routing
# into an @resident object, for use in this controller & coresponding views
def get_resident
@resident = Resident.find(params[:resident_id])
end
end
med\u record\u forms\u controller.rb
类MedRecordFormsController<应用程序控制器
在\u筛选器之前:获取\u常驻
def索引
@med_record_form=@resident.med_record_forms
结束
def新
@med_record_form=@resident.med_record_forms.build
结束
def创建
@med_record_form=@resident.med_record_forms.build(参数[:med_record_form])
if@med\u record\u form.save
将_重定向到[@resident,@med_record_form]#,flash_class[:success]=“表单已创建!”
其他的
呈现“new”#,flash[:error]=“表单有问题”
结束
结束
def秀
@med_record_form=@resident.med_record_forms.find(参数[:id])
结束
def更新
@med_record_form=@resident.med_record_forms.find(参数[:id])
如果@med_record_form.update_属性(参数[:med_record_form])
flash[:success]=“表单已更新”
将_重定向到控制器:“常驻”,操作:“显示”,id:params[:id]
其他的
呈现“编辑”,flash[:错误]=“无法更新表单”
结束
结束
定义编辑
@med_record_form=@resident.med_record_forms.find(参数[:id])
结束
def销毁
@med_record_form=@resident.med_record_forms.find(参数[:id])
@医疗记录表
flash[:notice]=“你确定?”
将\重定向到常驻\医疗\记录\表单\路径
结束
私有的
#get_resident转换路由给定的常驻id
#进入@resident对象,用于此控制器和响应视图
def get_居民
@resident=resident.find(参数[:resident\u id])
结束
结束
这个问题与此类似:
我发现时间的默认设置是“选择”将时间部分设置为空,但有一个隐藏的日期组件未设置为空。当您查看参数时可以看到:
“我的时间(1i)”=>“1”,“我的时间(2i)”=>“1”,“我的时间(3i)”=>“1”,“我的时间(4i)”=>,“我的时间(5i)”=>”
您需要在控制器中将时间设置为零,如下所示:
def create
@med_record_form = @resident.med_record_forms.build(params[:med_record_form])
@med_record_form.med1_time_of_day1 = nil if params[:med_record_form]["med1_time_of_day1(4i)"].blank? &&
params[:med_record_form]["med1_time_of_day1(5i)"].blank?
if @med_record_form.save
redirect_to [@resident, @med_record_form] #, flash_class[:success] = "Form was created!"
else
render 'new' #, flash[:error] = "There was a problem with the form"
end
end
谢谢@RLawrenz!你的建议解决了我的问题。我希望能很快找到一个更简洁的解决方案。如果我这样做了,我会把它贴在这里。我很感谢你花时间帮助一个新手。
def create
@med_record_form = @resident.med_record_forms.build(params[:med_record_form])
@med_record_form.med1_time_of_day1 = nil if params[:med_record_form]["med1_time_of_day1(4i)"].blank? &&
params[:med_record_form]["med1_time_of_day1(5i)"].blank?
if @med_record_form.save
redirect_to [@resident, @med_record_form] #, flash_class[:success] = "Form was created!"
else
render 'new' #, flash[:error] = "There was a problem with the form"
end
end