• Leaflet中使用leafletsearch插件实现搜索定位效果


    场景

    Leaflet快速入门与加载OSM显示地图:

    https://blog.csdn.net/BADAO_LIUMANG_QIZHI/article/details/122290880

    在上面的基础上,怎样使用插件实现搜索定位效果如下

    注:

    博客:
    https://blog.csdn.net/badao_liumang_qizhi
    关注公众号
    霸道的程序猿
    获取编程相关电子书、教程推送与免费下载。

    实现

    1、插件地址

    https://github.com/stefanocudini/leaflet-search

    2、下载源码,引入所需要的leaflet-search.js文件,这里以example中simple.html为例,引入所需要的图标文件

    3、这里直接在html中引入css文件,并修改其中图片的路径

            .leaflet-container .leaflet-control-search {
                position: relative;
                float: left;
                background: #fff;
                color: #1978cf;
                border: 2px solid rgba(0, 0, 0, 0.2);
                background-clip: padding-box;
                -moz-border-radius: 4px;
                -webkit-border-radius: 4px;
                border-radius: 4px;
                background-color: rgba(255, 255, 255, 0.8);
                z-index: 1000;
                margin-left: 10px;
                margin-top: 10px;
            }
    
            .leaflet-control-search.search-exp {
                /*expanded*/
                background: #fff;
                border: 2px solid rgba(0, 0, 0, 0.2);
                background-clip: padding-box;
            }
    
            .leaflet-control-search .search-input {
                display: block;
                float: left;
                background: #fff;
                border: 1px solid #666;
                border-radius: 2px;
                height: 22px;
                padding: 0 20px 0 2px;
                margin: 4px 0 4px 4px;
            }
    
            .leaflet-control-search.search-load .search-input {
                background: url('./icon/loader.gif') no-repeat center right #fff;
            }
    
            .leaflet-control-search.search-load .search-cancel {
                visibility: hidden;
            }
    
            .leaflet-control-search .search-cancel {
                display: block;
                 22px;
                height: 22px;
                position: absolute;
                right: 28px;
                margin: 6px 0;
                background: url('./icon/search-icon.png') no-repeat 0 -46px;
                text-decoration: none;
                filter: alpha(opacity=80);
                opacity: 0.8;
            }
    
            .leaflet-control-search .search-cancel:hover {
                filter: alpha(opacity=100);
                opacity: 1;
            }
    
            .leaflet-control-search .search-cancel span {
                display: none;
                /* comment for cancel button imageless */
                font-size: 18px;
                line-height: 20px;
                color: #ccc;
                font-weight: bold;
            }
    
            .leaflet-control-search .search-cancel:hover span {
                color: #aaa;
            }
    
            .leaflet-control-search .search-button {
                display: block;
                float: left;
                 30px;
                height: 30px;
                background: url('./icon/search-icon.png') no-repeat 4px 4px #fff;
                border-radius: 4px;
            }
    
            .leaflet-control-search .search-button:hover {
                background: url('./icon/search-icon.png') no-repeat 4px -20px #fafafa;
            }
    
            .leaflet-control-search .search-tooltip {
                position: absolute;
                top: 100%;
                left: 0;
                float: left;
                list-style: none;
                padding-left: 0;
                min- 120px;
                max-height: 122px;
                box-shadow: 1px 1px 6px rgba(0, 0, 0, 0.4);
                background-color: rgba(0, 0, 0, 0.25);
                z-index: 1010;
                overflow-y: auto;
                overflow-x: hidden;
                cursor: pointer;
            }
    
            .leaflet-control-search .search-tip {
                margin: 2px;
                padding: 2px 4px;
                display: block;
                color: black;
                background: #eee;
                border-radius: .25em;
                text-decoration: none;
                white-space: nowrap;
                vertical-align: center;
            }
    
            .leaflet-control-search .search-button:hover {
                background-color: #f4f4f4;
            }
    
            .leaflet-control-search .search-tip-select,
            .leaflet-control-search .search-tip:hover {
                background-color: #fff;
            }
    
            .leaflet-control-search .search-alert {
                cursor: pointer;
                clear: both;
                font-size: .75em;
                margin-bottom: 5px;
                padding: 0 .25em;
                color: #e00;
                font-weight: bold;
                border-radius: .25em;
            }

    4、完整示例代码

    <!doctype html>
    <html lang="en">
    
    <head>
        <meta charset="UTF-8">
        <title>leaflet实现搜索定位</title>
        <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css" />
        <style>
            html,
            body,
            #map {
                padding: 0;
                margin: 0;
                 100%;
                height: 100%;
                overflow: hidden;
            }
    
            .leaflet-container .leaflet-control-search {
                position: relative;
                float: left;
                background: #fff;
                color: #1978cf;
                border: 2px solid rgba(0, 0, 0, 0.2);
                background-clip: padding-box;
                -moz-border-radius: 4px;
                -webkit-border-radius: 4px;
                border-radius: 4px;
                background-color: rgba(255, 255, 255, 0.8);
                z-index: 1000;
                margin-left: 10px;
                margin-top: 10px;
            }
    
            .leaflet-control-search.search-exp {
                /*expanded*/
                background: #fff;
                border: 2px solid rgba(0, 0, 0, 0.2);
                background-clip: padding-box;
            }
    
            .leaflet-control-search .search-input {
                display: block;
                float: left;
                background: #fff;
                border: 1px solid #666;
                border-radius: 2px;
                height: 22px;
                padding: 0 20px 0 2px;
                margin: 4px 0 4px 4px;
            }
    
            .leaflet-control-search.search-load .search-input {
                background: url('./icon/loader.gif') no-repeat center right #fff;
            }
    
            .leaflet-control-search.search-load .search-cancel {
                visibility: hidden;
            }
    
            .leaflet-control-search .search-cancel {
                display: block;
                 22px;
                height: 22px;
                position: absolute;
                right: 28px;
                margin: 6px 0;
                background: url('./icon/search-icon.png') no-repeat 0 -46px;
                text-decoration: none;
                filter: alpha(opacity=80);
                opacity: 0.8;
            }
    
            .leaflet-control-search .search-cancel:hover {
                filter: alpha(opacity=100);
                opacity: 1;
            }
    
            .leaflet-control-search .search-cancel span {
                display: none;
                /* comment for cancel button imageless */
                font-size: 18px;
                line-height: 20px;
                color: #ccc;
                font-weight: bold;
            }
    
            .leaflet-control-search .search-cancel:hover span {
                color: #aaa;
            }
    
            .leaflet-control-search .search-button {
                display: block;
                float: left;
                 30px;
                height: 30px;
                background: url('./icon/search-icon.png') no-repeat 4px 4px #fff;
                border-radius: 4px;
            }
    
            .leaflet-control-search .search-button:hover {
                background: url('./icon/search-icon.png') no-repeat 4px -20px #fafafa;
            }
    
            .leaflet-control-search .search-tooltip {
                position: absolute;
                top: 100%;
                left: 0;
                float: left;
                list-style: none;
                padding-left: 0;
                min- 120px;
                max-height: 122px;
                box-shadow: 1px 1px 6px rgba(0, 0, 0, 0.4);
                background-color: rgba(0, 0, 0, 0.25);
                z-index: 1010;
                overflow-y: auto;
                overflow-x: hidden;
                cursor: pointer;
            }
    
            .leaflet-control-search .search-tip {
                margin: 2px;
                padding: 2px 4px;
                display: block;
                color: black;
                background: #eee;
                border-radius: .25em;
                text-decoration: none;
                white-space: nowrap;
                vertical-align: center;
            }
    
            .leaflet-control-search .search-button:hover {
                background-color: #f4f4f4;
            }
    
            .leaflet-control-search .search-tip-select,
            .leaflet-control-search .search-tip:hover {
                background-color: #fff;
            }
    
            .leaflet-control-search .search-alert {
                cursor: pointer;
                clear: both;
                font-size: .75em;
                margin-bottom: 5px;
                padding: 0 .25em;
                color: #e00;
                font-weight: bold;
                border-radius: .25em;
            }
        </style>
    </head>
    
    <body>
        <div id="map"></div>
        <script type="text/javascript" src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
        <script type="text/javascript" src="./js/leaflet-search.js"></script>
        <script type="text/javascript">
            //sample data values for populate map
            var data = [{
                    "loc": [41.575330, 13.102411],
                    "title": "aquamarine"
                },
                {
                    "loc": [41.575730, 13.002411],
                    "title": "black"
                },
                {
                    "loc": [41.807149, 13.162994],
                    "title": "blue"
                },
                {
                    "loc": [41.507149, 13.172994],
                    "title": "chocolate"
                },
                {
                    "loc": [41.847149, 14.132994],
                    "title": "coral"
                },
                {
                    "loc": [41.219190, 13.062145],
                    "title": "cyan"
                },
                {
                    "loc": [41.344190, 13.242145],
                    "title": "darkblue"
                },
                {
                    "loc": [41.679190, 13.122145],
                    "title": "Darkred"
                },
                {
                    "loc": [41.329190, 13.192145],
                    "title": "Darkgray"
                },
                {
                    "loc": [41.379290, 13.122545],
                    "title": "dodgerblue"
                },
                {
                    "loc": [41.409190, 13.362145],
                    "title": "gray"
                },
                {
                    "loc": [41.794008, 12.583884],
                    "title": "green"
                },
                {
                    "loc": [41.805008, 12.982884],
                    "title": "greenyellow"
                },
                {
                    "loc": [41.536175, 13.273590],
                    "title": "red"
                },
                {
                    "loc": [41.516175, 13.373590],
                    "title": "rosybrown"
                },
                {
                    "loc": [41.506175, 13.273590],
                    "title": "royalblue"
                },
                {
                    "loc": [41.836175, 13.673590],
                    "title": "salmon"
                },
                {
                    "loc": [41.796175, 13.570590],
                    "title": "seagreen"
                },
                {
                    "loc": [41.436175, 13.573590],
                    "title": "seashell"
                },
                {
                    "loc": [41.336175, 13.973590],
                    "title": "silver"
                },
                {
                    "loc": [41.236175, 13.273590],
                    "title": "skyblue"
                },
                {
                    "loc": [41.546175, 13.473590],
                    "title": "yellow"
                },
                {
                    "loc": [41.239190, 13.032145],
                    "title": "white"
                }
            ];
    
            var map = L.map('map').setView([36.09, 120.35], 13);
            L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
                attribution: ''
            }).addTo(map);
    
            //图层包含搜索的元素
            var markersLayer = new L.LayerGroup(); //layer contain searched elements
    
            map.addLayer(markersLayer);
    
            //添加搜索插件
            var controlSearch = new L.Control.Search({
                position: 'topright',
                layer: markersLayer,
                initial: false,
                zoom: 12,
                marker: false
            });
    
            map.addControl(controlSearch);
    
            //用来自样本数据的标记填充地图
            ////////////populate map with markers from sample data
            for (i in data) {
                var title = data[i].title, //value searched
                    loc = data[i].loc, //position found
                    marker = new L.Marker(new L.latLng(loc), {
                        title: title
                    }); //se property searched
                marker.bindPopup('title: ' + title);
                markersLayer.addLayer(marker);
            }
        </script>
    </body>
    
    </html>
    博客园: https://www.cnblogs.com/badaoliumangqizhi/ 关注公众号 霸道的程序猿 获取编程相关电子书、教程推送与免费下载。
  • 相关阅读:
    Decoration4:分页展示
    Decoration3:增删改的实现
    Decoration2:引入Angularjs显示前台一条数据
    SqlServer 查看被锁的表和解除被锁的表
    Quarz.net 设置任务并行和任务串行
    第三方博客平台足迹
    Oracle PL/SQL Developer 上传下载Excel
    SSRS使用MySql作为数据源遇到的问题。
    "类工厂模式"改写SqlHelper
    Centos7 redis 5.0 服务设置、启动、停止、开机启动
  • 原文地址:https://www.cnblogs.com/badaoliumangqizhi/p/15787422.html
Copyright © 2020-2023  润新知