echarts百度接口实现数据下钻

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<%@ page language="java" import="java.sql.*,java.io.*,java.util.*"%> 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="ECharts">
    <meta name="author" content="[email protected]">
    <title>ECharts · Example</title>
	
<script src="/dataprac/echarts.js"></script>
<script src="/dataprac/jquery-3.1.1.min.js"></script>
</head>
<%
String db_url = "jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8";
String db_user = "root";
String db_pass = "123456789";
Connection connection = null;

try {
	Class.forName("com.mysql.jdbc.Driver");//加载驱动
	connection = DriverManager.getConnection(db_url, db_user, db_pass);
	
} catch (Exception e) {
	e.printStackTrace();
} 

Statement statement = connection.createStatement();  
String sql = "SELECT place FROM result_1";  
ResultSet rs = statement.executeQuery(sql);  

rs.last();// 移动到最后
int len = rs.getRow();
rs.beforeFirst();
String [] CORP_NAME = new String [len];
for(int i=0;i<len;i++){
rs.next();
CORP_NAME[i] = rs.getString("place");
}
rs.close();
connection.close();
String [] place = new String[200];
int [] num = new int[200];
int length = 0;
for(int i=0;i<200;i++){
  place[i] = "北京";
  num[i] = 0;
}

for(int i = 0;i < len;i++){
  if(CORP_NAME[i].indexOf("省")!=-1){
	  String s = CORP_NAME[i].split("省")[0];
	  int j;
	  for(j=0;j<=length;j++){
		  if(place[j].equals(s)){
			  num[j]++;
			  break;
		  }
	  }
	  if(j == length+1){
		  length++;
		  num[length]++;
		  place[length] = s;
	  }
	  
	  String s1 = CORP_NAME[i].split("省")[1].split("市")[0]+"市";
	  for(j=0;j<=length;j++){
		  if(place[j].equals(s1)){
			  num[j]++;
			  break;
		  }
	  }
	  if(j == length+1){
		  length++;
		  num[length]++;
		  place[length] = s1;
	  }
  }else{
	  String s = CORP_NAME[i].split("市")[0];
	  int j;
	  for(j=0;j<=length;j++){
		  if(place[j].equals(s)){
			  num[j]++;
			  break;
		  }
	  }
	  if(j == length+1){
		  length++;
		  num[length]++;
		  place[length] = s;
	  }
	  
	  String s1 = CORP_NAME[i].split("市")[1];
	  for(j=0;j<=length;j++){
		  if(place[j].equals(s1)){
			  num[j]++;
			  break;
		  }
	  }
	  if(j == length+1){
		  length++;
		  num[length]++;
		  place[length] = s1;
	  }
  }
}
for(int i=0;i<=length;i++){
	System.out.println(place[i]+num[i]);
}
%>
<body>
    <div id="chart" class="chart" style="height: 530px;"></div>
	
	<script type="text/javascript">
        // 基于准备好的dom，初始化echarts图表
        var myChart = echarts.init(document.getElementById('chart')); 
        
      //各省份的地图json文件
        var provinces = {
            '上海': '/dataprac/json/data-1482909900836-H1BC_1WHg.json',
            '河北': '/dataprac/json/data-1482909799572-Hkgu_yWSg.json',
            '山西': '/dataprac/json/data-1482909909703-SyCA_JbSg.json',
            '内蒙古': '/dataprac/json/data-1482909841923-rkqqdyZSe.json',
            '辽宁': '/dataprac/json/data-1482909836074-rJV9O1-Hg.json',
            '吉林': '/dataprac/json/data-1482909832739-rJ-cdy-Hx.json',
            '黑龙江': '/dataprac/json/data-1482909803892-Hy4__J-Sx.json',
            '江苏': '/dataprac/json/data-1482909823260-HkDtOJZBx.json',
            '浙江': '/dataprac/json/data-1482909960637-rkZMYkZBx.json',
            '安徽': '/dataprac/json/data-1482909768458-HJlU_yWBe.json',
            '福建': '/dataprac/json/data-1478782908884-B1H6yezWe.json',
            '江西': '/dataprac/json/data-1482909827542-r12YOJWHe.json',
            '山东': '/dataprac/json/data-1482909892121-BJ3auk-Se.json',
            '河南': '/dataprac/json/data-1482909807135-SJPudkWre.json',
            '湖北': '/dataprac/json/data-1482909813213-Hy6u_kbrl.json',
            '湖南': '/dataprac/json/data-1482909818685-H17FOkZSl.json',
            '广东': '/dataprac/json/data-1482909784051-BJgwuy-Sl.json',
            '广西': '/dataprac/json/data-1482909787648-SyEPuJbSg.json',
            '海南': '/dataprac/json/data-1482909796480-H12P_J-Bg.json',
            '四川': '/dataprac/json/data-1482909931094-H17eKk-rg.json',
            '贵州': '/dataprac/json/data-1482909791334-Bkwvd1bBe.json',
            '云南': '/dataprac/json/data-1482909957601-HkA-FyWSx.json',
            '西藏': '/dataprac/json/data-1482927407942-SkOV6Qbrl.json',
            '陕西': '/dataprac/json/data-1482909918961-BJw1FyZHg.json',
            '甘肃': '/dataprac/json/data-1482909780863-r1aIdyWHl.json',
            '青海': '/dataprac/json/data-1482909853618-B1IiOyZSl.json',
            '宁夏': '/dataprac/json/data-1482909848690-HJWiuy-Bg.json',
            '新疆': '/dataprac/json/data-1482909952731-B1YZKkbBx.json',
            '北京': '/dataprac/json/data-1482818963027-Hko9SKJrg.json',
            '天津': '/dataprac/json/data-1482909944620-r1-WKyWHg.json',
            '重庆': '/dataprac/json/data-1482909775470-HJDIdk-Se.json',
            '香港': '/dataprac/json/data-1461584707906-r1hSmtsx.json',
            '澳门': '/dataprac/json/data-1482909771696-ByVIdJWBx.json'
        };

        //各省份的数据
        var allData = [
        	<%for(int i=0;i<num.length;i++){%>
    		{value: '<%=num[i]%>', name: '<%=place[i]%>'},
        <%}%>
        ];


        loadMap('/dataprac/json/data-1527045631990-r1dZ0IM1X.json', 'china');//初始化全国地图

        var timeFn = null;

        //单击切换到省级地图，当mapCode有值,说明可以切换到下级地图
        myChart.on('click', function(params) {
            clearTimeout(timeFn);
            //由于单击事件和双击事件冲突，故单击的响应事件延迟250毫秒执行
            timeFn = setTimeout(function() {
                var name = params.name; //地区name
                var mapCode = provinces[name]; //地区的json数据
                if (!mapCode) {
                    alert('无此区域地图显示');
                    return;
                }

                loadMap(mapCode, name);
                
            }, 250);
        });


        // 绑定双击事件，返回全国地图
        myChart.on('dblclick', function(params) {
            //当双击事件发生时，清除单击事件，仅响应双击事件
            clearTimeout(timeFn);
            
            //返回全国地图
            loadMap('/dataprac/json/data-1527045631990-r1dZ0IM1X.json', 'china');
        });

        /**
         获取对应的json地图数据，然后向echarts注册该区域的地图，最后加载地图信息
         @params {String} mapCode:json数据的地址
         @params {String} name: 地图名称
         */
        function loadMap(mapCode, name) {
            $.get(mapCode, function(data) {
                if (data) {
                    echarts.registerMap(name, data);
                    var option = {
                    	    title: {
                    	        text: '各地区项目数量',
                    	        subtext: '',
                    	        left: 'center'
                    	    },
                    	    toolbox: {
                    	        feature: {
                    	            dataView: {show: true, readOnly: false},
                    	            magicType: {show: true, type: ['line', 'map']},
                    	            restore: {show: true},
                    	            saveAsImage: {show: true}
                    	        }
                    	    },
                        tooltip: {
                            show: true,
                            formatter: function(params) {
                                if (params.data) return params.name + '：' + params.data['value']
                            },
                        },
                        visualMap: {
                            type: 'continuous',
                            text: ['', ''],
                            showLabel: true,
                            left: '50',
                            min: 0,
                            max: 100,
                            inRange: {
                                color: ['#edfbfb', '#b7d6f3', '#40a9ed', '#3598c1', '#215096', ]
                            },
                            splitNumber: 0
                        },
                        series: [{
                            name: 'MAP',
                            type: 'map',
                            mapType: name,
                            selectedMode: 'false',//是否允许选中多个区域
                            label: {
                                normal: {
                                    show: true
                                },
                                emphasis: {
                                    show: true
                                }
                            },
                            data: allData
                        }]
                    };
                    myChart.setOption(option);
                    // curMap = {
                    //     mapCode: mapCode,
                    //     mapName: name
                    // };
                } else {
                    alert('无法加载该地图');
                }
            });
        }
</script>
</body>
</html>
echarts百度接口实现数据下钻

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