uni marker,Understanding the Basics of uni Markers

When working with maps in the uni-app framework, one of the most crucial elements is the marker. Markers are essential for pinpointing specific locations on a map, whether it’s to indicate a user’s current position or to highlight a particular point of interest. In this detailed guide, I’ll walk you through everything you need to know about using markers in uni-app, ensuring you can effectively utilize this feature in your projects.

Understanding the Basics of uni Markers

uni marker,Understanding the Basics of uni Markers

Before diving into the specifics of implementing markers in uni-app, it’s important to understand what they are and how they work. A marker is a visual element that represents a specific location on a map. It can be used to denote various points, such as a user’s current location, a destination, or a point of interest.

uni-app provides a comprehensive set of APIs and components to work with markers. These include the `

` component, which serves as the container for the map, and the `` component, which is used to create individual markers on the map.

Creating a Basic Marker

Let’s start by creating a basic marker in uni-app. To do this, you’ll need to include the `

` component in your template and add a `` component within it. Here’s an example of how you can do this:

<template>  <map style="width: 100%; height: 300px;" :latitude="latitude" :longitude="longitude" :markers="markers">    <marker :latitude="marker.latitude" :longitude="marker.longitude" :iconPath="marker.iconPath" />  </map></template><script lang="ts" setup>import { ref } from 'vue';const latitude = ref(39.9042);const longitude = ref(116.4074);const markers = ref([  {    latitude: 39.9042,    longitude: 116.4074,    iconPath: '/static/marker.png'  }]);</script>

In this example, we’ve created a map with a single marker. The marker is positioned at latitude 39.9042 and longitude 116.4074, and it uses an icon from the `/static/marker.png` path.

Customizing Markers

uni-app allows you to customize markers in various ways. You can change the icon, set the position, and even add a label to the marker. Here’s how you can customize a marker:

<template>  <map style="width: 100%; height: 300px;" :latitude="latitude" :longitude="longitude" :markers="markers">    <marker      :latitude="marker.latitude"      :longitude="marker.longitude"      :iconPath="marker.iconPath"      :label="marker.label"      :rotate="marker.rotate"      :width="marker.width"      :height="marker.height"    />  </map></template><script lang="ts" setup>import { ref } from 'vue';const latitude = ref(39.9042);const longitude = ref(116.4074);const markers = ref([  {    latitude: 39.9042,    longitude: 116.4074,    iconPath: '/static/marker.png',    label: 'Marker Label',    rotate: 30,    width: 24,    height: 32  }]);</script>

In this updated example, we’ve added a label to the marker, set its rotation to 30 degrees, and specified its width and height.

Handling Marker Events

Markers in uni-app can also be used to trigger events. For example, you can listen for a marker tap event to perform a specific action when a user taps on a marker. Here’s how you can handle marker events:

<template>  <map style="width: 100%; height: 300px;" :latitude="latitude" :longitude="longitude" :markers="markers" @markertap="handleMarkerTap">    <marker      :latitude="marker.latitude"      :longitude="marker.longitude"      :iconPath="marker.iconPath"      :label="marker.label"      :rotate="marker.rotate"      :width="marker.width"      :height="marker.height"    />  </map><
    
    
                        
            
                
            
            
                
            
            
                
            
            
                
            
            
                
            
            
                
            
            
                
            
            
                
            
             
        
    
                    
                    
	
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uni marker,Understanding the Basics of uni Markers

Understanding the Basics of uni Markers

Creating a Basic Marker

Customizing Markers

Handling Marker Events

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uni marker,Understanding the Basics of uni Markers

Understanding the Basics of uni Markers

Creating a Basic Marker

Customizing Markers

Handling Marker Events

由 google

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