show-value是否显示默认值，它和value一起出现step每步走的数block-size滑动方块大小backgroundColor未滑动区域的颜色activeColor滑动区域的颜色slider max="100" step="10" value='60' show-value="true" block-size='10' bindchange="listenSlider" block-color='lightblue' backgroundColor='red' activeColor='blue'/
