<!-- 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,
title: {
text: "Simple Column Chart with Index Labels"
},
axisY:{
includeZero: true
},
data: [{
type: "column", //change type to bar, line, area, pie, etc
//indexLabel: "{y}", //Shows y value on all Data Points
indexLabelFontColor: "#5A5757",
dataPoints: dps[0]
}]
});
var xValue;
var yValue;
var indexLabel;
<c:forEach items="${dataPointsList}" var="dataPoints" varStatus="loop">
<c:forEach items="${dataPoints}" var="dataPoint">
xValue = parseInt("${dataPoint.x}");
yValue = parseFloat("${dataPoint.y}");
indexLabel = "${dataPoint.indexLabel}";
dps[parseInt("${loop.index}")].push({
x : xValue,
y : yValue,
indexLabel : indexLabel
});
</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 {
map = new HashMap<Object,Object>(); map.put("x", 10); map.put("y", 69);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 20); map.put("y", 48);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 30); map.put("y", 26); map.put("indexLabel", "Lowest");dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 40); map.put("y", 50);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 50); map.put("y", 67);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 60); map.put("y", 38);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 70L); map.put("y", 94); map.put("indexLabel", "Highest");dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 80); map.put("y", 63);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 90); map.put("y", 57);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 100); map.put("y", 60);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 110); map.put("y", 38);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 120); map.put("y", 49);dataPoints1.add(map);
map = new HashMap<Object,Object>(); map.put("x", 130); map.put("y", 37);dataPoints1.add(map);
list.add(dataPoints1);
}
public static List<List<Map<Object, Object>>> getCanvasjsDataList() {
return list;
}
}