随笔记录46 echarts 地图 + 散点图

1. 下载省市json数据
   地址： http://datav.aliyun.com/portal/school/atlas/area_selector
2. 上代码，样式自定义

var geoCoordMap = {
            "新乐市第一老年公寓":[114.717173,38.348604],
            "新乐市颐乐老年公寓":[114.641012,38.3042421],
            "新乐市中心医院医养中心":[114.69105,38.3484],
            "仁爱新乐养护院":[114.572011,38.357455]
        };
        var convertData = function (data) {
            var rarr = [];
            for (var i = 0; i < data.length; i++) {
                var geoCoord = geoCoordMap[data[i].name];
                if (geoCoord) {
                    rarr.push(geoCoord.concat(data[i].value).concat(data[i].name));
                }
            }
            console.log(rarr);
            return rarr;
        };
        
        $.getJSON('json/shijiazhuang.json','',function(res){
            getmap(res);
        });
        
        
        
        function getmap(res){
            var myChart = echarts.init(document.getElementById('main'));
            
            echarts.registerMap('shijiazhuang', {geoJSON: res});
            var option = {
                tooltip: { // 悬浮框
                    trigger:'item',// 触发条件
                    backgroundColor: 'rgba(255,170,255,.8)',
                    // formatter:'{b}<br/>占用数{c}',// 自定义显示数据
                    formatter:'{b}',
                    textstyle: {
                        fontsize: 102,
                        color:'#927FC5'
                    }
                },  
                geo: {
                    map: 'shijiazhuang',
                },  
                series: [
                    //散点
                    {
                        type: 'scatter',
                        coordinateSystem: 'geo',
                        data:convertData([
                            {name: "新乐市第一老年公寓", value: 9},
                            {name: "新乐市颐乐老年公寓", value: 20},
                            {name: "新乐市中心医院医养中心", value: 30},
                            {name: "仁爱新乐养护院", value: 9}
                        ]),
                        encode: {
                            value: 2
                        },
                        symbolSize: 12,
                        label: {
                            normal: {
                                show: false,
                                textStyle:{color:"#c71585"}
                            },
                            emphasis: {
                                show: true, 
                                textStyle:{color:"#800080"}
                            }
                        },
                        itemStyle: {
                            normal: {
                                borderWidth: .5,
                                borderColor: '#009fe8',
                                areaColor:"#ffefd5",
                            },
                            emphasis: {
                                show:true,
                                borderWidth: .5,
                                borderColor: '#4b0082',
                                areaColor:"#f47920",
                            }
                        }
                    },
                ]
            };
            myChart.setOption(option);
        }