热力图heatmap使用
阅读原文时间:2023年09月28日阅读:4

参考:https://www.cnblogs.com/julinhuitianxia/p/7755246.html

1.首先到echarts官网下载应用实例:http://echarts.baidu.com/examples/editor.html?c=heatmap-bmap

2.在A页面中用iframe标签进行跳转(使用该方法的原因:如果你的主页面有应用到其他版本的echarts或jQuery话可能会因为echarts或jQuery版本问题一直报错,如果单纯仅仅使用热力图的话可以直接使用)

3.heatmap-bmap.html页面







   <script type="text/javascript" src="../../../script/plugin/jquery/jquery.cookie.js"></script>  
   <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/echarts.min.js"></script>  
   <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts-gl/echarts-gl.min.js"></script>  
   <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts-stat/ecStat.min.js"></script>  
   <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/extension/dataTool.min.js"></script>  
   <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/map/js/china.js"></script>  
   <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/map/js/world.js"></script>  
   <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=ZUONbpqGBsYGXNIYHicvbAbM"></script>  
   <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/extension/bmap.min.js"></script>  
   <script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/simplex.js"></script>

   <script type="text/javascript">  
       var dom = document.getElementById("container");  
        var myChart = echarts.init(dom);  
        var app = {};  
        option = null;  
        var lon ='';  
        var lat ='';  
        app.title = '热力图与百度地图扩展';  
        $.ajax({  
            type: 'POST',  
            url: '../../../baseinfo/demoCounty/queryHotMapData.do',  
            data: {'county':$.cookie('defaultCounty')},  
            cache: false,  
            success: function (da) {  
                var arr = da.opInfo.hotMapData;  
                var data =\[\];  
                lon=arr\[0\].LON;  
                lat=arr\[0\].LAT;  
                for(var i=0;i<arr.length;i++){  
                    var coord=\[\]  
                    coord.push(arr\[i\].LON);coord.push(arr\[i\].LAT);coord.push(1) ;  
                    data.push(coord)  
                }  
                myChart.setOption(option = {  
                    animation: false,  
                    bmap: {  
                        center: \[lon, lat\],  
                        zoom: 10,   //地图比例尺,调节地图初始化时候的大小  
                        roam: true  
                    },  
                    visualMap: {  
                        show: false,  
                        top: 'top',  
                        min: 0,  
                        max: 5,  
                        seriesIndex: 0,  
                        calculable: true,  
                        inRange: {  
                            color: \['blue', 'blue', 'green', 'yellow', 'red'\]  
                        }  
                    },  
                    series: \[{  
                        type: 'heatmap',  
                        coordinateSystem: 'bmap',  
                        data: data,  
                        pointSize: 5,  
                        blurSize: 6  
                    }\]  
                });  
                if (!app.inNode) {  
                    // 添加百度地图插件  
                    var bmap = myChart.getModel().getComponent('bmap').getBMap();  
                    bmap.addControl(new BMap.MapTypeControl());  
                }  
            },  
            dataType: "json",  
            error: function (er) {  
            }  
        });

        if (option && typeof option === "object") {  
            myChart.setOption(option, true);  
        }  
   </script>