## demo
```
app('rpc.course')->call('demo.getlist',[$id = 1]);
```
~~~[api]
post:demo.getlist
id=1
<<<
Array
(
[result] => Array
(
[0] => Array
(
["aaa"] => 1
["bbb"] => 'ccc'
)
)
)
<<<
error
Array
(
[error] => Array
(
[code] => -32602
[message] => Invalid params
[data] =>
)
)
~~~