radio components

　　radio components, a radio buttons;

　　If you want to bind the event to the radio components, radio-group element-binding event can give a parent;

　　radio component properties:

　　　　value: string type when the radio is selected, change events on the radio-group carries value on the radio components

　　　　checked: Boolean type currently selected

　　　　disabled: type Boolean whether to disable

　　　　color: color component type string radio

　　Event radio-group component

　　　　bindchange: When the radio is changed, the trigger change events;