- <!-- 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,
- title:{
- text: "Student Grades"
- },
- toolTip: {
- shared: true,
- reversed: true
- },
- legend: {
- reversed: true,
- cursor: "pointer",
- itemclick: toggleDataSeries
- },
- axisY: {
- title: "Number of Students"
- },
- data: [{
- type: "stackedColumn100",
- name: "Grade D",
- showInLegend: true,
- yValueFormatString: "#,##0 students",
- dataPoints: dps[0]
- },{
- type: "stackedColumn100",
- name: "Grade C",
- showInLegend: true,
- yValueFormatString: "#,##0 students",
- dataPoints: dps[1]
- },{
- type: "stackedColumn100",
- name: "Grade B",
- showInLegend: true,
- yValueFormatString: "#,##0 students",
- dataPoints: dps[2]
- },{
- type: "stackedColumn100",
- name: "Grade A",
- showInLegend: true,
- yValueFormatString: "#,##0 students",
- dataPoints: dps[3]
- }]
- });
-
- function toggleDataSeries(e){
- if (typeof(e.dataSeries.visible) === "undefined" || e.dataSeries.visible) {
- e.dataSeries.visible = false;
- }
- else{
- e.dataSeries.visible = true;
- }
- chart.render();
- }
-
- var yValue;
- var label;
-
- <c:forEach items="${dataPointsList}" var="dataPoints" varStatus="loop">
- <c:forEach items="${dataPoints}" var="dataPoint">
- yValue = parseFloat("${dataPoint.y}");
- label = "${dataPoint.label}";
- dps[parseInt("${loop.index}")].push({
- label : label,
- 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 List<Map<Object,Object>> dataPoints3 = new ArrayList<Map<Object,Object>>();
- static List<Map<Object,Object>> dataPoints4 = new ArrayList<Map<Object,Object>>();
-
- static {
- map = new HashMap<Object,Object>(); map.put("label", "Physics"); map.put("y", 20);dataPoints1.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Chemistry"); map.put("y", 5);dataPoints1.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Math"); map.put("y", 25);dataPoints1.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Biology"); map.put("y", 32);dataPoints1.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Computer Science"); map.put("y", 10);dataPoints1.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "English"); map.put("y", 15);dataPoints1.add(map);
-
- map = new HashMap<Object,Object>(); map.put("label", "Physics"); map.put("y", 10);dataPoints2.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Chemistry"); map.put("y", 20);dataPoints2.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Math"); map.put("y", 50);dataPoints2.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Biology"); map.put("y", 18);dataPoints2.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Computer Science"); map.put("y", 30);dataPoints2.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "English"); map.put("y", 55);dataPoints2.add(map);
-
- map = new HashMap<Object,Object>(); map.put("label", "Physics"); map.put("y", 60);dataPoints3.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Chemistry"); map.put("y", 50);dataPoints3.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Math"); map.put("y", 20);dataPoints3.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Biology"); map.put("y", 26);dataPoints3.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Computer Science"); map.put("y", 20);dataPoints3.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "English"); map.put("y", 10);dataPoints3.add(map);
-
- map = new HashMap<Object,Object>(); map.put("label", "Physics"); map.put("y", 10);dataPoints4.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Chemistry"); map.put("y", 25);dataPoints4.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Math"); map.put("y", 5);dataPoints4.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Biology"); map.put("y", 24);dataPoints4.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "Computer Science"); map.put("y", 40);dataPoints4.add(map);
- map = new HashMap<Object,Object>(); map.put("label", "English"); map.put("y", 20);dataPoints4.add(map);
-
- list.add(dataPoints1);
- list.add(dataPoints2);
- list.add(dataPoints3);
- list.add(dataPoints4);
- }
-
- public static List<List<Map<Object, Object>>> getCanvasjsDataList() {
- return list;
- }
- }