## @api.one
新api定义：
1 qty = fields.Integer(string="qty", compute="_get_qty") 2 3 @api.one 4 def _get_qty(self): 5 self.qty = random.ranint(1, 10)
one一般使用再无返回值，就算添加return也不会返回，也不会报错，版本10以后逐渐淡化
## model
新api定义
@api.model
def create(self, vals):
bom_obj = self.search([("product_tmpl_id", '=', vals.get('product_tmpl_id', None))])
if bom_obj:
raise UserError('该产品已存在相应的物料清单')
return super(MrpBom, self).create(vals)
注意：这个方法的注释是这样的：修饰记录样式的方法，其中``self``是记录集，但和内容无关紧要，只有模型相关
假如上面使用mutil装饰就会出错，提示参数个数的报错， 此方法可以有返回值
def model(method):
""" Decorate a record-style method where ``self`` is a recordset, but its
contents is not relevant, only the model is. Such a method::
@api.model
def method(self, args):
...
may be called in both record and traditional styles, like::
# recs = model.browse(cr, uid, ids, context)
recs.method(args)
model.method(cr, uid, args, context=context)
Notice that no ``ids`` are passed to the method in the traditional style.
"""
method._api = 'model'
return method
## mutil
新api定义
@api.multi
def search_recursively_line_product(self):
product_ids = set()
for rec in self:
for bom_line in rec.bom_line_ids:
product_ids.add(bom_line.product_id.id)
product_tmpl_id = self.env['product.product'].browse(bom_line.product_id.id).product_tmpl_id.id
bom_line_bom = self.search([('product_tmpl_id', '=', product_tmpl_id)])
if bom_line_bom.bom_line_ids:
product_ids |= bom_line_bom.search_recursively_line_product()
return product_ids
注：mutil和one时对应的，可以返回一个或者回个记录集
修饰一个记录样式的方法，其中``self``是一个记录集，通常定义对记录的操作
def multi(method):
""" Decorate a record-style method where ``self`` is a recordset. The method
typically defines an operation on records. Such a method::
@api.multi
def method(self, args):
...
may be called in both record and traditional styles, like::
# recs = model.browse(cr, uid, ids, context)
recs.method(args)
model.method(cr, uid, ids, args, context=context)
"""
method._api = 'multi'
return method
