Measurement functions are often used on Openlayers maps, such as measuring length and measuring area. In this actual combat, a js is referenced to realize the functions of measuring length and measuring area.
renderings
source code
/*
* @Author: 大剑师兰特（xiaozhuanlan），还是大剑师兰特（CSDN）
* @此源代码版权归大剑师兰特所有，可供学习或商业项目中借鉴，未经授权，不得重复地发表到博客、论坛，问答，git等公共空间或网站中。
* @Email: [email protected]
* @First published in CSDN
* @First published time: 2023-07-11
*/
<template>
<div class="container">