省域边界

使用PathSimplifier展示省市边界，通过renderOptions属性设置不同边界样式。

源代码编辑器
<!doctype html>
<html lang="zh-CN">

<head>
    <!-- 原始地址：//webapi.amap.com/ui/1.1/ui/misc/PathSimplifier/examples/borders.html -->
    <base href="//webapi.amap.com/ui/1.1/ui/misc/PathSimplifier/examples/" />
    <meta charset="utf-8">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
    <title>省域边界</title>
    <style>
    html,
    body,
    #container {
        width: 100%;
        height: 100%;
        margin: 0px;
    }
    
    #loadingTip {
        position: absolute;
        z-index: 9999;
        top: 0;
        left: 0;
        padding: 3px 10px;
        background: red;
        color: #fff;
        font-size: 14px;
    }
    </style>
</head>

<body>
    <div id="container"></div>
    <script type="text/javascript" src='//webapi.amap.com/maps?v=2.0&key=您申请的key值'></script>
    <!-- UI组件库 1.0 -->
    <script src="//webapi.amap.com/ui/1.1/main.js?v=1.1.1"></script>
    <script type="text/javascript">
    //创建地图
    var map = new AMap.Map('container', {
        zoom: 4,
        //center:[120.34294,23.992865]
    });

    AMapUI.load(['ui/misc/PathSimplifier', 'lib/$'], function(PathSimplifier, $) {

        if (!PathSimplifier.supportCanvas) {
            alert('当前环境不支持 Canvas！');
            return;
        }

        //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"
        ];

        var pathSimplifierIns = new PathSimplifier({
            //autoSetFitView:false,
            map: map, //所属的地图实例

            getPath: function(pathData, pathIndex) {

                return pathData.path;
            },
            getHoverTitle: function(pathData, pathIndex, pointIndex) {

                if (pointIndex >= 0) {
                    //point 
                    return pathData.name + '，点:' + pointIndex + '/' + pathData.path.length;
                }

                return pathData.name + '，点数量' + pathData.path.length;
            },
            renderOptions: {
                renderAllPointsIfNumberBelow: 200,
                pathTolerance: 1,
                keyPointTolerance: 10,
                keyPointStyle: {
                    fillStyle: '#ccc',
                    radius: 1,
                    lineWidth: 1
                },
                startPointStyle: null,
                endPointStyle: null,
                pathLineHoverStyle: {
                    strokeStyle: '#000000'
                },
                pathLineSelectedStyle: {
                    dirArrowStyle: null,
                    strokeStyle: '#000000',
                    borderStyle: 'orange',
                    borderWidth: 2
                },
                getPathStyle: function(pathItem, zoom) {

                    var color = colors[pathItem.pathIndex % colors.length],
                        lineWidth = Math.round(4 * Math.pow(1.1, zoom - 3));

                    return {

                        pathLineStyle: {
                            strokeStyle: color,
                            lineWidth: lineWidth
                        },
                        pathLineSelectedStyle: {
                            lineWidth: lineWidth + 2
                        },
                        pathNavigatorStyle: {
                            fillStyle: color
                        }
                    }
                }
            }
        });


        window.pathSimplifierIns = pathSimplifierIns;

        $('<div id="loadingTip">加载数据，请稍候...</div>').appendTo(document.body);

        $.getJSON('http://a.amap.com/amap-ui/static/data/prov-borders.json', function(d) {

            $('#loadingTip').remove();
            pathSimplifierIns.setData(d);

        });

        pathSimplifierIns.on('selectedPathIndexChanged', function(e, info) {});

        pathSimplifierIns.on('pointClick pointMouseover pointMouseout', function(e, record) {
            //console.log(e.type, record);
        });

        pathSimplifierIns.on('pathClick pathMouseover pathMouseout', function(e, record) {
            //console.log(e.type, record);
        });
    });
    </script>
</body>

</html>
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