设置中心经纬度，点击保存

原创已于 2023-01-19 18:52:30 修改 · 366 阅读

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于 2019-12-25 18:16:09 首次发布

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<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>设置中心经纬度</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css"
          integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
    <link rel="stylesheet"
          href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.1.1/css/ol.css"
          type="text/css">
    <script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.1.1/build/ol.js"></script>
    <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script>
    <script src="https://code.jquery.com/jquery-2.2.3.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js"
            integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa"
            crossorigin="anonymous"></script>

    <style>
        .map {
            width: 100%;
            height: 400px;
        }
    </style>
</head>
<body>
<div id="map" class="map"></div>
<form action="savePoints.do" method="post">
    <div style="background-color: #999;"><span>当前的坐标：</span><span id='points' name="points">
        </span><input type="submit" value="保存" id="save" name="save"></div>

</form>

<script type="text/javascript">
    var map = new ol.Map({
        controls: ol.control.defaults().extend([
            new ol.control.FullScreen(),
            new ol.control.OverviewMap(),
            new ol.control.ScaleLine(),
            new ol.control.ZoomSlider(),
            new ol.control.ZoomToExtent()
        ]),
        layers: [
            new ol.layer.Tile({
                source: new ol.source.OSM()
            })
        ],
        target: 'map',
        view: new ol.View({
            center: ol.proj.transform(
                [106.62,26.62], 'EPSG:4326', 'EPSG:3857'),
            zoom: 10
        })
    });
    $("#map").click(function (e) {
        // alert('X ; '+ e.clientX  + 'Y: '+e.clientY);
        var t = ol.proj.transform(map.getEventCoordinate(e), 'EPSG:3857', 'EPSG:4326');
        document.getElementById('points').innerHTML = t;
    })
    map.addControl(new ol.control.MousePosition({coordinateFormat: ol.coordinate.createStringXY(8),projection: 'EPSG:4326'}));
</script>
</body>
</html>