amis2/examples/components/EventAction/cmpt-event-action/UploadEvent.jsx

const getEventDesc = eventName => {
  return {
    actions: [
      {
        actionType: 'toast',
        args: {
          msgType: 'info',
          msg: `派发${eventName}事件` + '${file|json}'
        }
      }
    ]
  };
};

const change = {
  actions: [
    {
      actionType: 'toast',
      args: {
        msgType: 'info',
        msg: '派发change事件${file|json}'
      }
    }
  ]
};

export default {
  type: 'page',
  title: '上传类组件事件',
  regions: ['body', 'toolbar', 'header'],
  body: [
    {
      type: 'tpl',
      tpl: 'InputFile上传类',
      inline: false,
      wrapperComponent: 'h2'
    },
    {
      type: 'form',
      debug: true,
      api: '/api/mock2/form/saveForm',
      body: [
        {
          type: 'group',
          body: [
            {
              name: 'trigger1',
              id: 'trigger1',
              type: 'action',
              label: 'clear触发器',
              level: 'primary',
              onEvent: {
                click: {
                  actions: [
                    {
                      actionType: 'clear',
                      componentId: 'clear-input-file',
                      description: '点击清除数据'
                    }
                  ]
                }
              }
            },
            {
              type: 'input-file',
              id: 'clear-input-file',
              name: 'file',
              multiple: true,
              receiver: 'ddd',
              onEvent: {
                change,
                remove: getEventDesc('remove'),
                success: getEventDesc('success'),
                fail: getEventDesc('fail')
              }
            }
          ]
        }
      ]
    },
    {
      type: 'form',
      debug: true,
      api: '/api/mock2/form/saveForm',
      body: [
        {
          type: 'group',
          body: [
            {
              name: 'trigger2',
              id: 'trigger2',
              type: 'action',
              label: 'clear触发器',
              level: 'primary',
              onEvent: {
                click: {
                  actions: [
                    {
                      actionType: 'clear',
                      componentId: 'clear-input-image',
                      description: '点击清除数据'
                    }
                  ]
                }
              }
            },
            {
              type: 'input-image',
              id: 'clear-input-image',
              name: 'file',
              multiple: true,
              onEvent: {
                change,
                remove: getEventDesc('remove'),
                success: getEventDesc('success'),
                fail: getEventDesc('fail')
              }
            }
          ]
        }
      ]
    }
  ]
};