<!DOCTYPE html>
<html>

<head>
    <title>LineStringOverlay</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
    <style type="text/css">
        body,
        html {
            width: 100%;
            height: 100%;
            margin: 0;
            font-family: "微软雅黑";
        }

        #allmap {
            width: 100%;
            height: 100%;
        }

        p {
            margin-l