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高德地图行政区域划分(西安)

时间:2019-06-12 18:03:36      阅读:77      评论:0      收藏:0      [点我收藏+]

标签:UNC   building   展开   btn   lan   去掉注释   scala   div   lte   

本来是支持地图下钻的,去掉注释代码即可

<!doctype html>
<html lang="zh-CN">

<head>
    <!-- 原始地址://webapi.amap.com/ui/1.0/ui/geo/DistrictExplorer/examples/index.html -->
    <base href="//webapi.amap.com/ui/1.0/ui/geo/DistrictExplorer/examples/" />
    <meta charset="utf-8">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
    <title>行政区浏览</title>
    <link rel="stylesheet" type="text/css" href="./area.css">
</head>

<body>
    <div id="outer-box">
        <div id="container" tabindex="0"></div>
        <div id="panel" class="scrollbar1">
            <ul id="area-tree">
            </ul>
        </div>
    </div>
    <script type="text/javascript" src=‘//webapi.amap.com/maps?v=1.4.15&key=您申请的key值‘></script>
    <!-- UI组件库 1.0 -->
    <script src="//webapi.amap.com/ui/1.0/main.js?v=1.0.11"></script>
    <script type="text/javascript">
    //创建地图
    var map = new AMap.Map(container, {
       resizeEnable: true,
       rotateEnable:true,
       pitchEnable:true,
       zoom: 11.8,
       pitch:75,
       rotation:-15,
       viewMode:3D,//开启3D视图,默认为关闭
       buildingAnimation:true,//楼块出现是否带动画
       expandZoomRange:true,
       zooms:[3,20],
       center:[108.907941,34.2463]  // 108.907941,34.2463
    });
    //just some colors
    var colors = [
        "#3366cc", "#dc3912", "#ff9900", "#109618", "#990099", "#0099c6", "#dd4477", "#66aa00",
        "#b82e2e", "#316395", "#994499", "#22aa99", "#aaaa11", "#6633cc", "#e67300", "#8b0707",
        "#651067", "#329262", "#5574a6", "#3b3eac"
    ];

    AMapUI.load([ui/geo/DistrictExplorer, lib/$], function(DistrictExplorer, $) {

        //创建一个实例
        var districtExplorer = window.districtExplorer = new DistrictExplorer({
            eventSupport: true, //打开事件支持
            map: map
        });

        //当前聚焦的区域
        var currentAreaNode = null;

        //鼠标hover提示内容
        var $tipMarkerContent = $(<div class="tipMarker top"></div>);

        var tipMarker = new AMap.Marker({
            content: $tipMarkerContent.get(0),
            offset: new AMap.Pixel(0, 0),
            bubble: true
        });

        //根据Hover状态设置相关样式
        function toggleHoverFeature(feature, isHover, position) {

            tipMarker.setMap(isHover ? map : null);

            if (!feature) {
                return;
            }

            var props = feature.properties;

            if (isHover) {

                //更新提示内容
                $tipMarkerContent.html(props.adcode + :  + props.name);
                //更新位置
                tipMarker.setPosition(position || props.center);
            }

            $(#area-tree).find(h2[data-adcode=" + props.adcode + "]).toggleClass(hover, isHover);

            //更新相关多边形的样式
            var polys = districtExplorer.findFeaturePolygonsByAdcode(props.adcode);
            for (var i = 0, len = polys.length; i < len; i++) {

                polys[i].setOptions({
                    fillOpacity: isHover ? 0.5 : 0.2
                });
            }
        }

        //监听feature的hover事件
        districtExplorer.on(featureMouseout featureMouseover, function(e, feature) {
            toggleHoverFeature(feature, e.type === featureMouseover,
                e.originalEvent ? e.originalEvent.lnglat : null);
        });

        //监听鼠标在feature上滑动
        districtExplorer.on(featureMousemove, function(e, feature) {
            //更新提示位置
            tipMarker.setPosition(e.originalEvent.lnglat);
        });

        //feature被点击
        districtExplorer.on(featureClick, function(e, feature) {
            debugger
            var props = feature.properties;

            //如果存在子节点
            if (props.childrenNum > 0) {
                //切换聚焦区域
                switch2AreaNode(props.adcode);
            }
        });

        //外部区域被点击
//         districtExplorer.on(‘outsideClick‘, function(e) {
// 
//             districtExplorer.locatePosition(e.originalEvent.lnglat, function(error, routeFeatures) {
// 
//                 if (routeFeatures && routeFeatures.length > 1) {
//                     //切换到省级区域
//                     switch2AreaNode(routeFeatures[1].properties.adcode);
//                 } else {
//                     //切换到全国
//                     switch2AreaNode(100000);
//                 }
// 
//             }, {
//                 levelLimit: 2
//             });
//         });

        //绘制区域面板的节点
        function renderAreaPanelNode(ele, props, color) {

            var $box = $(<li/>).addClass(lv_ + props.level);

            var $h2 = $(<h2/>).addClass(lv_ + props.level).attr({
                data-adcode: props.adcode,
                data-level: props.level,
                data-children-num: props.childrenNum || void(0),
                data-center: props.center.join(,)
            }).html(props.name).appendTo($box);

            if (color) {
                $h2.css(borderColor, color);
            }

            //如果存在子节点
            if (props.childrenNum > 0) {

                //显示隐藏
                $(<div class="showHideBtn"></div>).appendTo($box);

                //子区域列表
                $(<ul/>).addClass(sublist lv_ + props.level).appendTo($box);

                $(<div class="clear"></div>).appendTo($box);

                if (props.level !== country) {
                    $box.addClass(hide-sub);
                }
            }

            $box.appendTo(ele);
        }


        //填充某个节点的子区域列表
        function renderAreaPanel(areaNode) {

            var props = areaNode.getProps();

            var $subBox = $(#area-tree).find(h2[data-adcode=" + props.adcode + "]).siblings(ul.sublist);

            if (!$subBox.length) {
                //父节点不存在,先创建
                renderAreaPanelNode($(#area-tree), props);
                $subBox = $(#area-tree).find(ul.sublist);
            }

            if ($subBox.attr(data-loaded) === rendered) {
                return;
            }

            $subBox.attr(data-loaded, rendered);

            var subFeatures = areaNode.getSubFeatures();

            //填充子区域
            for (var i = 0, len = subFeatures.length; i < len; i++) {
                renderAreaPanelNode($subBox, areaNode.getPropsOfFeature(subFeatures[i]), colors[i % colors.length]);
            }
        }

        //绘制某个区域的边界
        function renderAreaPolygons(areaNode) {

            //更新地图视野
            map.setBounds(areaNode.getBounds(), null, null, true);

            //清除已有的绘制内容
            districtExplorer.clearFeaturePolygons();

            //绘制子区域
            
            districtExplorer.renderSubFeatures(areaNode, function(feature, i) {

                var fillColor = colors[i % colors.length];
                var strokeColor = colors[colors.length - 1 - i % colors.length];
                debugger
                return {
                    cursor: default,
                    bubble: true,
                    strokeColor: strokeColor, //线颜色
                    strokeOpacity: 1, //线透明度
                    strokeWeight: 3, //线宽
                    fillColor: fillColor, //填充色
                    fillOpacity: 0.2, //填充透明度
                };
            });

            //绘制父区域
            districtExplorer.renderParentFeature(areaNode, {
                cursor: default,
                bubble: true,
                strokeColor: black, //线颜色
                strokeOpacity: 1, //线透明度
                strokeWeight: 1, //线宽
                fillColor: null, //填充色
                fillOpacity: 0.2, //填充透明度
            });
        }

        //切换区域后刷新显示内容
        function refreshAreaNode(areaNode) {

            districtExplorer.setHoverFeature(null);

            renderAreaPolygons(areaNode);

            //更新选中节点的class
            var $nodeEles = $(#area-tree).find(h2);

            $nodeEles.removeClass(selected);

            var $selectedNode = $nodeEles.filter(h2[data-adcode= + areaNode.getAdcode() + ]).addClass(selected);

            //展开下层节点
            $selectedNode.closest(li).removeClass(hide-sub);

            //折叠下层的子节点
            $selectedNode.siblings(ul.sublist).children().addClass(hide-sub);
        }

        //切换区域
        function switch2AreaNode(adcode, callback) {

            if (currentAreaNode && (‘‘ + currentAreaNode.getAdcode() === ‘‘ + adcode)) {
                return;
            }

            loadAreaNode(adcode, function(error, areaNode) {

                if (error) {

                    if (callback) {
                        callback(error);
                    }

                    return;
                }

                currentAreaNode = window.currentAreaNode = areaNode;

                //设置当前使用的定位用节点
                districtExplorer.setAreaNodesForLocating([currentAreaNode]);

                refreshAreaNode(areaNode);

                if (callback) {
                    callback(null, areaNode);
                }
            });
        }

        //加载区域
        function loadAreaNode(adcode, callback) {

            districtExplorer.loadAreaNode(adcode, function(error, areaNode) {

                if (error) {

                    if (callback) {
                        callback(error);
                    }

                    console.error(error);

                    return;
                }

                renderAreaPanel(areaNode);

                if (callback) {
                    callback(null, areaNode);
                }
            });
        }

//         $(‘#area-tree‘).on(‘mouseenter mouseleave‘, ‘h2[data-adcode]‘, function(e) {
// 
//             if (e.type === ‘mouseleave‘) {
//                 districtExplorer.setHoverFeature(null);
//                 return;
//             }
// 
//             var adcode = $(this).attr(‘data-adcode‘);
// 
//             districtExplorer.setHoverFeature(currentAreaNode.getSubFeatureByAdcode(adcode));
//         });


//         $(‘#area-tree‘).on(‘click‘, ‘h2[data-children-num]‘, function() {
// 
//             var adcode = $(this).attr(‘data-adcode‘);
// 
//             switch2AreaNode(adcode);
//         });

//         $(‘#area-tree‘).on(‘click‘, ‘.showHideBtn‘, function() {
// 
//             var $li = $(this).closest(‘li‘);
// 
//             $li.toggleClass(‘hide-sub‘);
// 
//             if (!$li.hasClass(‘hide-sub‘)) {
// 
//                 //子节点列表被展开
//                 var $subList = $li.children(‘ul.sublist‘);
// 
//                 //尚未加载
//                 if (!$subList.attr(‘data-loaded‘)) {
// 
//                     $subList.attr(‘data-loaded‘, ‘loading‘);
// 
//                     $li.addClass(‘loading‘);
// 
//                     //加载
//                     loadAreaNode($li.children(‘h2‘).attr(‘data-adcode‘), function() {
// 
//                         $li.removeClass(‘loading‘);
//                     });
//                 }
//             }
//         });

        //全国
        switch2AreaNode(610100);
    });
    </script>
</body>

</html>
效果预览
技术图片

 

 

 

高德地图行政区域划分(西安)

标签:UNC   building   展开   btn   lan   去掉注释   scala   div   lte   

原文地址:https://www.cnblogs.com/shixingwen/p/11010973.html

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