在React中传递onFocus事件的参数

       <Select style={{ width: '70%', marginLeft: 5 }}
                      disabled={!!_.recordId}
                      mode="multiple"
                      maxTagCount={10}
                      onChange={floorOnChange}
                      onFocus={e => floorOnFocus(e, index)}
              >
                {getFloorToOPtion(index)}
              </Select>,