ys-app/src/components/customHeader.vue

<template>
<view class="custom-navbar">
    <view class="navbar-main"  :style="{paddingTop:navBarPaddingTop+'px'}">
        <!-- 左侧内容 -->
        <view class="navbar-left" @click="handleBack" v-if="leftFlag">
            <uni-icons type="left" size="24" color="#fff"></uni-icons>
        </view>

        <!-- 中间标题 -->
        <view class="navbar-title">{{ title }}</view>

        <!-- 右侧内容 -->
        <view class="navbar-right" v-if="rightFlag">
            <slot name="right"></slot>
        </view>
    </view>
</view>
</template>

<script setup>
import { ref, onMounted } from 'vue'
import { getNavBarPaddingTop,getNavBarHeight,getStatusBarHeight} from '@/utils/system.js'

const props = defineProps({
    title: String,
    leftFlag:true,//默认左侧显示 false-不显示
    rightFlag:false,//默认右侧不显示
    searchType:{default:0}//搜索返回为1，其他暂时不处理
})

const emit = defineEmits(['back'])

let navBarPaddingTop = ref(0)
let statusBarHeight = ref(0)
let navbarHeight = ref(0)
let navHeight = ref(0)

onMounted(() => {
    navBarPaddingTop.value = getNavBarPaddingTop();
    statusBarHeight.value = getStatusBarHeight();
    navbarHeight.value = getNavBarHeight();
    navHeight.value = navbarHeight.value - statusBarHeight.value
})

const handleBack = () => {
    emit('back')
    if(!props.searchType)
        uni.navigateBack()
}
</script>

<style scoped>
.custom-navbar {
    width: 750rpx;
    position: fixed;
    top: 0;
    left: 50%;
    margin-left:-375rpx;
    z-index: 999;
    /* #ifdef APP-PLUS */
    /* background: url('@/static/images/bg-Blue-header.png') no-repeat;
    background-size:750rpx 160rpx;
    height:160rpx; */
    /* #endif */

    /* #ifndef APP-PLUS */
    /* background: url('@/static/images/bg-Blue-header2.png') no-repeat;
    background-size:750rpx 116rpx;
    height:116rpx; */
    /* #endif */
   
}

.navbar-content {
    width: 100%;
}

.navbar-main {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30rpx;
    box-sizing: border-box;
    color:#fff;
    /* #ifdef APP-PLUS */
    height:160rpx;
    /* #endif */
    /* #ifndef APP-PLUS */
    height:116rpx;
    /* #endif */
}

.navbar-left{
    width: 70rpx;
    text-align: left;
}

.navbar-title {
    flex: 1;
    font-size: 36rpx;
    font-weight: bold;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color:#fff;
    margin-top:-3rpx;
}

.navbar-right{
    margin-left: auto;
}
</style>