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| /**
| * CNavCustomBar - 自定义导航条
| * @author chensi
| */
|
| <template>
| <view
| class="c-nav-custom-bar"
| :style="{height:navBarHeight + 'px',paddingTop:statusBarHeight + 'px',boxSizing:'border-box'}"
| >
| <view
| class="c-nav-icon"
| :style="{height:(navBarHeight - statusBarHeight) + 'px'}"
| >
| <view
| v-if="!isNeedBackIcon"
| class="c-nav-menu-icon"
| >
| <slot name="icon"></slot>
| </view>
| <view
| v-if="isNeedBackIcon"
| class="c-nav-back-icon"
| @tap="evt => onBack()"
| >
| <AtIcon
| value='chevron-left'
| size='26'
| color='#000'
| ></AtIcon>
| </view>
| </view>
| <view class="c-nav-title">
| {{ title }}
| </view>
| </view>
| </template>
|
| <script>
| import Taro from '@tarojs/taro';
| import { AtIcon } from 'taro-ui-vue';
| import './cNavCustomBar.scss';
|
| export default {
| name: 'CNavCustomBar',
| components: {
| AtIcon,
| },
| props: {
| isNeedBackIcon: {
| type: Boolean,
| default: false,
| },
| title: {
| type: String,
| default: '',
| },
| },
| computed: {},
| data() {
| return {
| navBarHeight: 0,
| statusBarHeight: 0,
| };
| },
| mounted() {
| this.getNavBarHeight();
| },
| methods: {
| getNavBarHeight() {
| //获取胶囊对象
| let menuButtonObject = Taro.getMenuButtonBoundingClientRect();
| // 获取设备系统对象
| let sysInfo = wx.getSystemInfoSync();
| // 获取状态栏高度
| let statusBarHeight = sysInfo.statusBarHeight;
| // 获取胶囊高度
| let menuButtonHeight = menuButtonObject.height;
| // 获取胶囊距离顶部的高度
| let distanceTop = menuButtonObject.top;
| //计算nav导航栏的高度
| let navBarHeight =
| statusBarHeight + menuButtonHeight + (distanceTop - statusBarHeight) * 2;
| this.navBarHeight = navBarHeight;
| this.statusBarHeight = statusBarHeight;
| },
|
| onBack() {
| Taro.navigateBack({
| delta: 1,
| });
| },
|
| $getStatusBarHeight() {
| return this.statusBarHeight;
| },
|
| // 使用自定义导航时，需要在主页显示的设置padding的值，此值是导航栏的高度，本导航已经使用固定定位为头部
| $getNavBarHeight() {
| return this.navBarHeight;
| },
| },
| };
| </script>
|
|
