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  • 热力图heatmap使用

    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 

    <!DOCTYPE html>
    <html style="height: 100%">
       <head>
           <meta charset="utf-8">
       </head>
       <body style="height: 100%; margin: 0">
           <div id="container" style="height: 100%"></div>
          <!--引用jQuery-->
          <script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
    
           <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>
       </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/ysgcs/p/8569070.html
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