<!-- chart.jsp-->
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<script type="text/javascript">
window.onload = function() {
var dps = [[], []];
var chart = new CanvasJS.Chart("chartContainer", {
animationEnabled: true,
exportEnabled: true,
theme: "light2", // "light1", "dark1", "dark2"
title: {
text: "Heart Weight vs Body Weight of Domestic Cats"
},
axisX: {
title: "Body Weight (in kg)",
suffix: " kg"
},
axisY: {
title: "Heart Weight (in g)",
suffix: " g"
},
legend: {
cursor: "pointer",
itemclick: toggleDataSeries
},
data: [{
type: "scatter",
showInLegend: true,
name: "Female",
markerType: "cross",
xValueFormatString: "#,##0.0 kg",
yValueFormatString: "#,##0.0 g",
toolTipContent: "<span style=\"color:#6D78AD\">{name} Cat</span><br>Body Weight: {x}<br>Heart Weight: {y}",
dataPoints: dps[0]
}, {
type: "scatter",
showInLegend: true,
name: "Male",
markerType: "triangle",
xValueFormatString: "#,##0.0 kg",
yValueFormatString: "#,##0.0 g",
toolTipContent: "<span style=\"color:#51CDA0\">{name} Cat</span><br>Body Weight: {x}<br>Heart Weight: {y}",
dataPoints: dps[1]
}]
});
function toggleDataSeries(e) {
if (typeof (e.dataSeries.visible) === "undefined" || e.dataSeries.visible) {
e.dataSeries.visible = false;
}
else {
e.dataSeries.visible = true;
}
chart.render();
}
var xValue;
var yValue;
<c:forEach items="${dataPointsList}" var="dataPoints" varStatus="loop">
<c:forEach items="${dataPoints}" var="dataPoint">
xValue = parseFloat("${dataPoint.x}");
yValue = parseFloat("${dataPoint.y}");
dps[parseInt("${loop.index}")].push({
x : xValue,
y : yValue
});
</c:forEach>
</c:forEach>
chart.render();
}
</script>
</head>
<body>
<div id="chartContainer" style="height: 370px; width: 100%;"></div>
<script src="https://cdn.canvasjs.com/canvasjs.min.js"></script>
</body>
</html>
//CanvasjsChartController.java
package com.canvasjs.chart.controllers;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.canvasjs.chart.services.CanvasjsChartService;
@Controller
@RequestMapping("/canvasjschart")
public class CanvasjsChartController {
@Autowired
private CanvasjsChartService canvasjsChartService;
@RequestMapping(method = RequestMethod.GET)
public String springMVC(ModelMap modelMap) {
List<List<Map<Object, Object>>> canvasjsDataList = canvasjsChartService.getCanvasjsChartData();
modelMap.addAttribute("dataPointsList", canvasjsDataList);
return "chart";
}
}
//CanvasjsChartService.java
package com.canvasjs.chart.services;
import java.util.List;
import java.util.Map;
public interface CanvasjsChartService {
List<List<Map<Object, Object>>> getCanvasjsChartData();
}
//CanvasjsChartServiceImpl.java
package com.canvasjs.chart.services;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import com.canvasjs.chart.daos.CanvasjsChartDao;
public class CanvasjsChartServiceImpl implements CanvasjsChartService {
@Autowired
private CanvasjsChartDao canvasjsChartDao;
public void setCanvasjsChartDao(CanvasjsChartDao canvasjsChartDao) {
this.canvasjsChartDao = canvasjsChartDao;
}
@Override
public List<List<Map<Object, Object>>> getCanvasjsChartData() {
return canvasjsChartDao.getCanvasjsChartData();
}
}
//CanvasjsChartDao.java
package com.canvasjs.chart.daos;
import java.util.List;
import java.util.Map;
public interface CanvasjsChartDao {
List<List<Map<Object, Object>>> getCanvasjsChartData();
}
//CanvasjsChartDaoImpl.java
package com.canvasjs.chart.daos;
import java.util.List;
import java.util.Map;
import com.canvasjs.chart.data.CanvasjsChartData;
public class CanvasjsChartDaoImpl implements CanvasjsChartDao {
@Override
public List<List<Map<Object, Object>>> getCanvasjsChartData() {
return CanvasjsChartData.getCanvasjsDataList();
}
}
//CanvasjsChartData.java
package com.canvasjs.chart.data;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class CanvasjsChartData {
static Map<Object,Object> map = null;
static List<List<Map<Object,Object>>> list = new ArrayList<List<Map<Object,Object>>>();
static List<Map<Object,Object>> dataPoints1 = new ArrayList<Map<Object,Object>>();
static List<Map<Object,Object>> dataPoints2 = new ArrayList<Map<Object,Object>>();
static {
map = new HashMap<Object,Object>(); map.put("x", 2); map.put("y", 7);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2); map.put("y", 7.4);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.1); map.put("y", 8.1);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.1); map.put("y", 8.7);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.2); map.put("y", 10.9);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.3); map.put("y", 11.2);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.4); map.put("y", 10.2);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.5); map.put("y", 10.9);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.6); map.put("y", 10.1);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.7); map.put("y", 10.8);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.9); map.put("y", 9.9);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.9); map.put("y", 10.1);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.9); map.put("y", 10.1);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 3); map.put("y", 10.6);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 3); map.put("y", 13);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2); map.put("y", 6.5);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.1); map.put("y", 10.1);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.2); map.put("y", 8.5);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.3); map.put("y", 9.6);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.4); map.put("y", 9.3);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.5); map.put("y", 8.8);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.6); map.put("y", 9.4);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.6); map.put("y", 11.5);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.7); map.put("y", 12);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.7); map.put("y", 12.5);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.8); map.put("y", 12);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 2.9); map.put("y", 11.8);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 3); map.put("y", 13.8);dataPoints2.add(map);
map = new HashMap<Object,Object>(); map.put("x", 3.1); map.put("y", 14.3);dataPoints2.add(map);
list.add(dataPoints1);
list.add(dataPoints2);
}
public static List<List<Map<Object, Object>>> getCanvasjsDataList() {
return list;
}
}