Welcome in my book!
参考:
http://www.oscg.cn:8069/web/static/test/oscgdocs/html/develops/website.html
http://www.withfan.com/newest/
https://github.com/gxbsst/odoodays-2014
When to use api.one and api.multi in odoo | openerp?
http://stackoverflow.com/questions/27988565/when-to-use-api-one-and-api-multi-in-odoo-openerp
How to override create,write,unlink method in Odoo v8