omp-wx/pages/set/volume/volume.wxml

<form catchsubmit="submit" class="form">
	<view class="form-item">
		<view class="form-item-label">通话音量：</view>
		<view class="slider">
			<slider name="phoneVol" value="{{setInfo.phoneVol}}" show-value activeColor="#5D88FF" block-size="24" max="6" />
		</view>
	</view>
	<view class="form-item">
		<view class="form-item-label">系统音量：</view>
		<view class="slider">
			<slider name="msgVol" value="{{setInfo.msgVol}}" show-value activeColor="#5D88FF" block-size="24" max="6" />
		</view>
	</view>

	<view class="form-item">
		<view class="form-item-label">铃声音量：</view>
		<view class="slider">
			<slider name="ringVol" value="{{setInfo.ringVol}}" show-value activeColor="#5D88FF" block-size="24" max="6" />
		</view>
	</view>
	
	<button class="button-normal" form-type="submit">保存</button>
</form>