uniapp applet custom top navigation bar height adaptation

Table of contents

Introduction to custom navigation bar:

Use of custom navigation bar

step1: Cancel the default native navigation bar

Step2: Add placeholder elements to the page

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Introduction to custom navigation bar:

        It is generally used for filling pictures, etc. or other special needs. If you use a solid color to fill the top bar, you can directly use navigationBarBackgroundColor to complete it.

page.json file:

"navigationBarBackgroundColor": "#FED000"

Effect:

Use of custom navigation bar

step1: Cancel the default native navigation bar

Add code to the style of the page.json file page

"navigationStyle":"custom"

Step2: Add placeholder elements to the page

Footprints include:

        <!-- 状态栏高度 -->
        <view :style="{ height: `${statusBarHeight}px` }"></view>
        <!-- 自定义导航栏高度 并 居中 -->
        <view :style="{
          height: `${barHeight}px`,
          'line-height': `${barHeight}px`,
          'text-align': 'center',
        }">
            <text>评价</text>
        </view>

onLoad() {
    // 状态栏高度
    this.statusBarHeight = uni.getSystemInfoSync().statusBarHeight; 
    // 胶囊数据
    const { top, height } = wx.getMenuButtonBoundingClientRect();
    // 自定义导航栏高度 = 胶囊高度 + 胶囊的padding*2, 如果获取不到设置为38
    this.barHeight = height ? height + (top - this.statusBarHeight) * 2 : 38;
},