odoo14中rpc调用分为两种。

一种是外部调用rpc来访问odoo数据，这个时候你需要登录授权。

另一种是我们自己编写的widget小部件或者自定义视图时候通过js通过rpc去获取数据。

这里说的是第二种rpc的使用。

上代码：

    //调用res.users中的自定义的get_userform_action方法
    this._rpc({
        model: 'res.users', 
        method: 'get_userform_action',
        args: [[data.val]]//这里就是python函数声明里的*args，当你的方法不是model方法也不是model_create方法的时候，这里一个参数传的是当前model(res.users)的记录id，它会查询id结果作为self去调用get_userform_action
    }).then(function (result){
        self.do_action(result); 
    });

    //查询数据的方法
    this._rpc({
        model: this.model,
        method: 'read_group',
        domain: [],
        fields: ['color'],
        groupBy: ['color'],
    }).then(function (result) {
        _.each(result, function (r) {
            self.colorGroupData[r.color] = r.color_count;
        });
    });
//自定义的方法
class Users(models.AbstractModel):
    _inherit = 'res.users'

    def get_userform_action(self):
        action = self.env.ref('ship_manage.res_company_user_form_action').read()[0]
        action['res_id'] = self.id
        return action
 1 //Python   rpc参数传递源码
 2 def _call_kw_model(method, self, args, kwargs):
 3     context, args, kwargs = split_context(method, args, kwargs)
 4     recs = self.with_context(context or {})
 5     _logger.debug("call %s.%s(%s)", recs, method.__name__, Params(args, kwargs))
 6     result = method(recs, *args, **kwargs)
 7     return downgrade(method, result, recs, args, kwargs)
 8 
 9 
10 def _call_kw_model_create(method, self, args, kwargs):
11     # special case for method 'create'
12     context, args, kwargs = split_context(method, args, kwargs)
13     recs = self.with_context(context or {})
14     _logger.debug("call %s.%s(%s)", recs, method.__name__, Params(args, kwargs))
15     result = method(recs, *args, **kwargs)
16     return result.id if isinstance(args[0], Mapping) else result.ids
17 
18 
19 def _call_kw_multi(method, self, args, kwargs):
20     ids, args = args[0], args[1:]
21     context, args, kwargs = split_context(method, args, kwargs)
22     recs = self.with_context(context or {}).browse(ids)
23     _logger.debug("call %s.%s(%s)", recs, method.__name__, Params(args, kwargs))
24     result = method(recs, *args, **kwargs)
25     return downgrade(method, result, recs, args, kwargs)
26 
27 
28 def call_kw(model, name, args, kwargs):
29     """ Invoke the given method ``name`` on the recordset ``model``. """
30     method = getattr(type(model), name)
31     api = getattr(method, '_api', None)
32     if api == 'model'://这里将模型分成了三种走向，三种走向对参数的处理不一样
33         result = _call_kw_model(method, model, args, kwargs)
34     elif api == 'model_create':
35         result = _call_kw_model_create(method, model, args, kwargs)
36     else:
37         result = _call_kw_multi(method, model, args, kwargs)
38     model.flush()
39     return result