微信自定义菜单，扫码菜单

{
    "button": [
        {
            "name": "扫码",
            "sub_button": [
                {
                    "type": "scancode_waitmsg",
                    "name": "扫码带提示",
                    "key": "rselfmenu_0_0",
                    "sub_button": [ ]
                },
                {
                    "type": "scancode_push",
                    "name": "扫码推事件",
                    "key": "rselfmenu_0_1",
                    "sub_button": [ ]
                }
            ]
        }
    ]
}