odoo 网页输出 输出到url

# no print start

file = StringIO()

cavans = report.DrawVca(file)

cavans.draw(new_data)

file.seek(0)

pdf_data = file.read()

file.close()



datas = base64.encodestring(pdf_data)

filename = self.name + '.pdf'



attach_vals = {

'name': self.name,

 'datas': datas,

 'datas_fname': filename,

 'res_id': self.id,

 'public': True

}



doc = self.env['ir.attachment'].search([('name', '=', self.name)])

if doc:

 doc.unlink()



doc = self.env['ir.attachment'].create(attach_vals)



web_url = self.env['ir.config_parameter'].get_param('web.base.url')

content_url = '/web/content/%s/%s' % (doc.id, filename)

url = web_url + content_url



_logger.info('attachment %s, doc_id is %s, url is %s' % (doc, doc.id, url))



return {

'type': 'ir.actions.act_url',

 'url': url,

 'target': 'new',

}