[英]How to export xls when calling rails from javascript
我试图通过javascript调用触发excelsheet下载。 当我使用link_to按钮调用rails动作时,它可以正常工作。 但是,当我通过js脚本调用Rails动作时(我想这样做),我在日志中得到了相同的渲染消息,但是excel无法下载。 我认为这与ajax / background任务调用有关,但我无法弄清楚。 任何想法如何使javascript方法起作用?
Rails动作:
def goal_designer_spreadsheet
@format = params[:format]
logger.debug "\nformat = #{@format} \n"
respond_to do |format|
format.html
xls_filename = "Excel_file__abc.xls"
format.xls {headers["Content-Disposition"] = "attachment; filename=\"#{xls_filename}\"" }
end
end
2个按钮:1个触发JS调用(不起作用),一个直接指向rails(起作用):
<button class="btn btn-primary" id="goal_download_list">Download this Plan (.xls) javascript</button>
<%= link_to "Download this Plan (.xls) rails", plan_goal_designer_spreadsheet_path(format: "xls"), :id => "", :class => "btn btn-small btn-primary" %>
JavaScript调用:
if ( trigger_object.id.match(/goal_download_list/) ) {
$.ajax({
type: 'get',
url: "/plan/goal_designer_spreadsheet",
data: {
"format": "xls"
},
success: function(data, textStatus) {
}
});
}
输出日志:在两种情况下相似,但是在JS调用的情况下,没有xls下载:
Rendered plan/goal_designer_spreadsheet.xls.erb (0.0ms)
Completed 200 OK in 344ms (Views: 339.9ms | ActiveRecord: 0.0ms)
也许最好进行重定向:
window.open("plan/goal_designer_spreadsheet.xls", "_blank");
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