Echarts markPoint 动态数据添加，选择性查询

效果图：

function GetData() {
        var placeList = [
                        // {name:'海门', geoCoord:[121.15, 31.89]}
                     ]
         var year =document.getElementById("year").value;
         var provinceid =document.getElementById("sheng").value;
        
         var quota_1 =document.getElementById("quota_1").value;
         var quota_2 =document.getElementById("quota_2").value;
         var quota_3 =document.getElementById("quota_3").value;
         var quota_4 =document.getElementById("quota_4").value;
        
         var index = "";
         if(quota_1 != ""){index = quota_1};
         if(quota_2 != ""){index = quota_2};
         if(quota_3 != ""){index = quota_3};
         if(quota_4 != ""){index = quota_4};
        
         $.ajax({
                url:"./EnterpriseAnalysisFetcher.do?action=envmapdata",
                type:"POST",
                dataType:"JSON",
                async:false,
                data:{"year":year,"provinceid":provinceid, "index":index},
                success: function(json){
                     placeList = json; 
                }
            });

/**麻点图数据
     * @param request
     * @param response
     * @throws Exception
     */
    private void getEnvMapblackData(HttpServletRequest request,
            HttpServletResponse response) throws Exception {
        
        EnvDataMiniManager envDataMiniManager = (EnvDataMiniManager)Context.getBean(EnvDataMiniManager.class);
        
        int provinceid = getInt(request, "provinceid", 0);
        int year = getInt(request, "year", 0);
        String index = get(request, "index", "");
        
        MarkPoint[] dataMinis = envDataMiniManager.getMarkPointEnvData(year, provinceid, index, null);
        
        output(JSONArray.toJSONString(dataMinis), response);
        //System.out.println(dataMinis);
    }





public MarkPoint[] getMarkPointEnvData(int year, int provinceid,
            String index,DBSession session) throws JException {
        
        List<MarkPoint> list = new ArrayList<MarkPoint>();
        if (session == null) {
            session = Context.getDBSession();
        }
        IResultSet rs = null;
        try {
            Object[] paramObjects = new Object[]{};
            int[] paramTypes = new int[]{};
            String sql = "select b.cp_region, b.cp_lng,b.cp_lat from env_pollutiondata a,env_company b  where a.pd_company_ID=b.ID and "+index+">0 ";
            if(year>0){
                sql = sql + " and a.pd_year =?";
            }
            if(provinceid>0){
                sql = sql + " and a.pd_Province_ID =?";
            }
            if(year>0&&provinceid>0){
                paramObjects = new Object[]{year,provinceid};
                paramTypes = new int[]{year,provinceid};
            }else if(year>0){
                paramObjects = new Object[]{year};
                paramTypes = new int[]{year};
            }else if(provinceid>0){
                paramObjects = new Object[]{provinceid};
                paramTypes = new int[]{provinceid};
            }
            sql = sql+" GROUP BY a.pd_company_ID ";
            System.out.println(sql);
            //sql = "SELECT * FROM env_pollutiondata WHERE ID = 1";
            
            //rs = session.executeQuery(sql, new Object[]{paramObjects}, new int[]{Types.DECIMAL});
            rs = session.executeQuery(sql, paramObjects, paramTypes);
            System.out.println(sql);
            while (rs.next()) {
                MarkPoint mark = new MarkPoint();
                mark.setName(rs.getString("cp_region"));
                mark.setGeoCoord(new float[]{rs.getFloat("cp_lng"),rs.getFloat("cp_lat")});
                list.add(mark);
            }
        } catch (Exception e) {
            Logger.getProjLogger().error(e.getMessage(), e);
            return null;
        } finally {
            ResourceMgr.closeQuietly(rs);
            ResourceMgr.closeQuietly(session);
        }
        return list.toArray(new MarkPoint[0]);
    }

         require(
                    [
                        'echarts',
                        'echarts/chart/bar' ,// 使用柱状图就加载bar模块，按需加载
                        'echarts/chart/map'
                    ],
                    function (ec) {
                        
                        // 基于准备好的dom，初始化echarts图表
                        var myChart = ec.init(document.getElementById('container1')); 
                        var option = {
                             backgroundColor: '#1b1b1b',
                              color: [
                                            'rgba(255, 255, 255, 0.8)',
                                            'rgba(14, 241, 242, 0.8)',
                                            'rgba(37, 140, 249, 0.8)'
                                      ],
            
                          title : {
                            text: '大规模MarkPoint特效',
                           /*  subtext: '纯属虚构', */
                            x:'center',
                            textStyle : { color: '#fff'  }  },
                          legend: {
                                orient: 'vertical',
                                x:'left',
                                data:['强','中','弱'],
                                textStyle : {color: '#fff'} },
            series : [
                { name: '弱',type: 'map', mapType: 'china',
                    itemStyle:{
                        normal:{  borderColor:'rgba(100,149,237,1)', borderWidth:1.5, areaStyle:{color: '#1b1b1b' }
                                  }
                 },
                   data : [],
                   markPoint : { symbolSize: 2, large: true,
                   effect: { show: true },
                   data : (function(){
                            var data = [];
                            var len = 3000;
                            var geoCoord
                            
                            while(len--) {
                                geoCoord = placeList[len % placeList.length].geoCoord;
                                data.push({
                                    name : placeList[len % placeList.length].name + len,
                                    value : 10,
                                    geoCoord : [
                                        geoCoord[0] + Math.random() * 5 - 2.5,
                                        geoCoord[1] + Math.random() * 3 - 1.5
                                                    ] })
                                        }
                            return data;
                        })()//data
                        
                    }//markPoint
                },
                {
                    name: '中',
                    type: 'map',
                    mapType: 'china',
                    data : [],
                    markPoint : {
                        symbolSize: 3,
                        large: true,
                        effect : {
                            show: true
                        },
                        data : (function(){
                            var data = [];
                            var len = 1000;
                            var geoCoord
                            while(len--) {
                                geoCoord = placeList[len % placeList.length].geoCoord;
                                data.push({
                                    name : placeList[len % placeList.length].name + len,
                                    value : 50,
                                    geoCoord : [
                                        geoCoord[0] + Math.random() * 5 - 2.5,
                                        geoCoord[1] + Math.random() * 3 - 1.5
                                    ]
                                })
                            }
                            return data;
                        })()
                    }
                },
                {
                    name: '强',
                    type: 'map',
                    mapType: 'china',
                    hoverable: false,
                    roam:true,
                    data : [],
                    markPoint : {
                        symbol : 'diamond',
                        symbolSize: 6,
                        large: true,
                        effect : {
                            show: true
                        },
                        data : (function(){
                            var data = [];
                            var len = placeList.length;
                            while(len--) {
                                data.push({
                                    name : placeList[len].name,
                                    value : 90,
                                    geoCoord : placeList[len].geoCoord
                                })
                            }
                            return data;
                        })()
                    }
                }
                ]//series
            
              };
                        
                        // 为echarts对象加载数据 
                        myChart.setOption(option); 
                    }
                );