<template>
	<view>
		<view class="status-line" :style="'height:' + lineHeight +';'">
		</view>
		<view class="status-line" :style="'height:' + navigateHeight +';'">
			<view @click="goBack" class="flex" :style="'height:' + navigateHeight +';align-item:center;padding:0 20rpx'">
				<u-icon name="arrow-left" ></u-icon>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		name:"customHeader",
		data() {
			return {
				navigateHeight:0,
				lineHeight:0,
			};
		},
		methods:{
			goBack(){
				this.$emit('goBack')
			}
		},
		mounted() {
			const systemInfo = uni.getSystemInfoSync();
			// px转换到rpx的比例
			let pxToRpxScale = 750 / systemInfo.windowWidth;
			let systems = {
				ktxStatusHeight: systemInfo.statusBarHeight * pxToRpxScale, // 状态栏的高度
				navigationHeight: 44 * pxToRpxScale, // 导航栏的高度
				ktxWindowWidth: systemInfo.windowWidth * pxToRpxScale, // window的宽度
				ktxWindowHeight: systemInfo.windowHeight * pxToRpxScale, // window的高度
				ktxScreentHeight: systemInfo.screenHeight * pxToRpxScale // 屏幕的高度
			}
			// 底部tabBar的高度
			systems.tabBarHeight = systems.ktxScreentHeight - systems.ktxStatusHeight - systems.navigationHeight - systems
				.ktxWindowHeight // 底部tabBar的高度
			this.lineHeight = systems.ktxStatusHeight + 'rpx';
			this.navigateHeight = systems.navigationHeight +'rpx';
		
		},
	}
</script>

<style>

</style>