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嗨,我知道这很愚蠢,但我真的得到这个时,我编辑任何条目。更新操作触发插入查询?
我有一个费用模型和一个expense_line_item和一个paid_line_item模型,它创建正确,当我创建一个新的条目,但在编辑以前的条目它增加了一个新的条目,而不是更新,我。即在更新操作时,它触发插入查询。这里是我的代码:
我的控制器:
def new
@menu = 'Expenses'
@page_name = 'Record New Expenses'
@expense = Expense.new
@expense.expense_line_items.build
@expense.paid_line_items.build
@expense.voucher_number = "EXP"+Time.now.to_i.to_s
@from_accounts = TransactionType.fetch_from_accounts(current_company.id, 'payments')
@to_accounts = TransactionType.fetch_to_accounts(current_company.id, 'payments')
respond_to do |format|
format.html # new.html.erb
format.xml { render :xml => @expense }
end
end
# GET /expenses/1/edit
def edit
@menu = 'Expenses'
@page_name = 'Edit Expenses Entry'
@expense = Expense.find(params[:id])
@from_accounts = TransactionType.fetch_from_accounts(current_company.id, 'payments')
@to_accounts = TransactionType.fetch_to_accounts(current_company.id, 'payments')
end
# POST /expenses
# POST /expenses.xml
def create
@expense = Expense.new(params[:expense])
@expense.created_by = current_user.id
@expense.company_id = current_company.id
respond_to do |format|
if @expense.save
format.html { redirect_to(@expense, :notice => 'Expense was successfully created.') }
format.xml { render :xml => @expense, :status => :created, :location => @expense }
else
@menu = 'Expenses'
@page_name = 'Record New Expenses'
@from_accounts = TransactionType.fetch_from_accounts(current_company.id, 'payments')
@to_accounts = TransactionType.fetch_to_accounts(current_company.id, 'payments')
format.html { render :action => "new" }
format.xml { render :xml => @expense.errors, :status => :unprocessable_entity }
end
end
end
# PUT /expenses/1
# PUT /expenses/1.xml
def update
@expense = Expense.find(params[:id])
respond_to do |format|
if @expense.update_attributes(params[:expense])
format.html { redirect_to(@expense, :notice => 'Expense was successfully updated.') }
format.xml { head :ok }
else
@menu = 'Expenses'
@page_name = 'Edit Expenses Entry'
format.html { render :action => "edit" }
format.xml { render :xml => @expense.errors, :status => :unprocessable_entity }
end
end
end
我的模型:
expense model:
class Expense < ActiveRecord::Base
has_many :expense_line_items
has_many :paid_line_items
accepts_nested_attributes_for :expense_line_items, :reject_if => lambda {|a| a[:account_id].blank? } , :allow_destroy => true
accepts_nested_attributes_for :paid_line_items, :reject_if => lambda {|a| a[:account_id].blank? }, :allow_destroy => true
#validations
validates_presence_of :expense_date, :voucher_number
validates_presence_of :expense_line_items
validates_associated :expense_line_items
validates_presence_of :paid_line_items
validates_associated :paid_line_items
end
expense_line_item:
class ExpenseLineItem < ActiveRecord::Base
belongs_to :expense
end
paid_line_item:
class PaidLineItem < ActiveRecord::Base
belongs_to :expense
end
我的形式:
<%= form_for(@expense) do |f| %>
<% @expense.expense_line_items.each_with_index do |expense_line_item, index| %>
<%= render "expense_line_items", :expense_line_item => expense_line_item, :index => index %>
<% end %>
<tr id="row_link" valign="top">
<td valign="top" colspan="6">
<%= link_to "Add new row",{:action => :add_row, :index => @expense.expense_line_items.size}, :remote => true %>
</td>
</tr>
<% @expense.paid_line_items.each_with_index do |paid_line_item, index| %>
<%= render "paid_line_items", :paid_line_item => paid_line_item, :index => index %>
<% end %>
<tr id="to_row_link" valign="top">
<td valign="top" colspan="6">
<%= link_to "Add new row",{:action => :add_to_row, :index => @expense.paid_line_items.size}, :remote => true %>
</td>
</tr>
<% end %>
我很沮丧,在此先感谢。
上面的代码我没有看到任何明显的错误。控制器看起来没问题,所以问题可能在于传递给更新的@params。如果没有看到其他观点,我们无法确定这些参数是什么。你可以发布他们吗? (expense_line_item和paid_line_item的意见) – u2622 2012-02-11 03:00:05
你可以在更新函数的开头添加“raise params.inspect”并粘贴输出吗? – Rahul 2012-02-11 04:32:43
谢谢@rahul我发现这个错误是由于我忘记在我的订单项中添加的代码。我必须为我的订单项添加一个隐藏的ID字段。感谢您的支持。 – Ravindra 2012-02-22 08:47:03