https://www.odoo.com/zh_CN/forum/help-1/question/odoo-9-src-variable-for-iframe-in-ir-ui-view-112584
https://www.odoo.com/zh_CN/forum/help-1/question/i-want-to-add-an-iframe-in-openerp-with-a-dynamic-src-36038
http://www.oejia.net/blog/2016/01/19/odoo_iframe.html
待驗證測試....