[英]Accessing json data within javascript/js.coffee
在資產/ javascript中的js.coffee文件中,我嘗試響應從控制器調用中收到的數據,但未成功。 使用js.coffee文件中的打印語句,我可以看到控制器已返回正確的數據。 在js.coffee文件中,我嘗試了多種不同的嘗試來訪問此數據以將其放在屏幕的一部分上,但均未成功。 下面,我包括了(1)js,coffee文件(2)相關的控制器操作(3)從終端控制台打印的語句,這些語句是從javascript / drills.js.coffee生成的(4)我試圖填充的屏幕部分在javascript / drills.js.coffee中
資產/javascript/drills.js.coffee
changeAssump = (data)->
console.log("-6- in changeAssump ")
console.log("-6- print data from call")
console.log data
# this is what I can't do
# trying to get values Drills controller action user_valuation_selected to be displayed
# on the screen partial assumption_params
# e.g ('#evaluation_assumption_resource_estimation_gas').val(resource_estimation_gas)
# where resource_estimation_gas is coming from the returned object
# this ok (I think) and calling above
changeAssumptions = (drill_id)->
data = $('#user_save_name_evaluation_assumption_id').serialize()
console.log("-4- in changeAssumptions")
console.log data
$.ajax
url:"/drills/#{drill_id}/user_valuation_selected.json"
type:"post"
dataType: 'json' # data type of response
data: data
success: (data,success,xhr)->
changeAssump data
drills.controller.rb
def user_valuation_selected
@userassum = EvaluationAssumption.find(params[:user_save_name][:evaluation_assumption_id])
respond_to do |format|
format.json { render :json => @userassum }
end
end
開發人員工具->控制台->上面打印語句的輸出
->對象{created_at:“ 2013-09-26T00:36:34Z”,drill_id:1,id:51,in_ground_value_gas:1,in_ground_value_oil:5…}
當通過單擊箭頭(->)展開時,這是我無法在javascript / drills.js.coffee中訪問的數據,例如,我希望訪問resource_estimation_gas等
asset / javascript / drills.js.coffee created_at:“ 2013-09-26T00:36:34Z” drill_id:1 id:51 in_ground_value_gas:1 in_ground_value_oil:5 member_profile_id:1可能性_成功:11 resource_estimation_gas:1 resource_estimation_oil:1.168
屏幕局部
# as included within main screen
<div class="form assumption" data-drillid="<%= @drill.id %>">
<div id="id_assumption_params">
<%= render 'assumption_params' %>
<div>
</div>
# part of the partial assumption_params.html.erb
<%= simple_form_for @evaluation_assumption,
:html => { class: 'infogroup',
id: "evaluation_assumption_params" } do |f| %>
…
…
<%= content_tag :td, f.text_field(:resource_estimation_gas,
class: "general ralign"), class: 'data' %>
<%= content_tag :td, f.text_field(:resource_estimation_oil,
class: "general ralign"), class: 'data' %>
給我想要的值加上數據前綴會得到令人討厭的結果。
例如,要獲取已保存的valuation_assumption resource_estimation_gas的值,我引用val(data.resource_estimation_gas)。
感謝所有檢查此問題的人
皮埃爾
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