struts 2統合JFree Chartホットスポットの例
12856 ワード
テストは午後になって、やっと写真が表示できない原因を見つけました。struts 2はブロックでservletをブロックしましたので、配置のDisplayChartが見つけられません。stus.xmlに注：このホットスポット付きアクションはstruts 2のjfreechartプラグインを使用していません。
インポートパッケージ:
struts 2-jfreechart plugin-2.8.1.jar
jfreechard-1.0.13.jar
jcommon-1.0.16.jar
1.ハートネスアクション（ホットスポット付きアクション）
インポートパッケージ:
struts 2-jfreechart plugin-2.8.1.jar
jfreechard-1.0.13.jar
jcommon-1.0.16.jar
1.ハートネスアクション（ホットスポット付きアクション）
package com.cs.struts2.helloworld;
import java.awt.Color;
import java.awt.Font;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.ServletResponseAware;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartRenderingInfo;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.entity.StandardEntityCollection;
import org.jfree.chart.labels.StandardPieToolTipGenerator;
import org.jfree.chart.plot.PiePlot;
import org.jfree.chart.servlet.ServletUtilities;
import org.jfree.chart.title.LegendTitle;
import org.jfree.chart.title.TextTitle;
import org.jfree.chart.urls.StandardPieURLGenerator;
import org.jfree.data.general.DefaultPieDataset;
import com.opensymphony.xwork2.ActionSupport;
public class ChartAction extends ActionSupport implements ServletRequestAware, ServletResponseAware{
private HttpServletRequest request;
private HttpServletResponse response;
private String mapMessage;
private String src;
public String getChart() throws IOException {
//
JFreeChart chart = ChartFactory.createPieChart(
" ", //
getDateSet(), //
true, //
true, //
true // URL
);
//
chart.setTitle(new TextTitle(" ",new Font(" ",Font.ITALIC,22)));
//
LegendTitle legendTitle = chart.getLegend(0);
//
legendTitle.setItemFont(new Font(" ",Font.BOLD,14));
// plot
PiePlot plot = (PiePlot) chart.getPlot();
// key
plot.setSectionPaint("JAVA ", Color.RED);
plot.setSectionPaint("c++ ", Color.BLUE);
plot.setSectionPaint("C# ", Color.GREEN);
plot.setSectionPaint("VC++ ", Color.ORANGE);
// plot
plot.setLabelFont(new Font(" ",Font.BOLD,18));
// （0~1）
plot.setBackgroundAlpha(0.9f);
//------------------- ----------------------------
//
plot.setNoDataMessage("No data available");
String str =request.getContextPath()+"/first/bchart.action";
//StandardPieURLGenerator（） "type" category
plot.setURLGenerator(new StandardPieURLGenerator(str,"type"));
plot.setToolTipGenerator(new StandardPieToolTipGenerator());
StandardEntityCollection sec = new StandardEntityCollection();
// RenderingInfo ,info
ChartRenderingInfo info = new ChartRenderingInfo(sec);
response.setCharacterEncoding("GBK");
String filename = null;
try {
filename = ServletUtilities.saveChartAsJPEG(chart, 700, 500, info, request.getSession());
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
mapMessage = ChartUtilities.getImageMap("map0", info);
src = request.getContextPath()+"/servletDisplayChart?filename=" + filename;
return "first";
}
private static DefaultPieDataset getDateSet() {
//
DefaultPieDataset dataset = new DefaultPieDataset();
dataset.setValue("JAVA ", 47);
dataset.setValue("c++ ", 23);
dataset.setValue("C# ", 20);
dataset.setValue("VC++ ", 10);
return dataset;
}
public void setServletRequest(HttpServletRequest request) {
this.request = request;
}
public void setServletResponse(HttpServletResponse response) {
this.response = response;
}
public String getMapMessage() {
return mapMessage;
}
public void setMapMessage(String mapMessage) {
this.mapMessage = mapMessage;
}
public String getSrc() {
return src;
}
public void setSrc(String src) {
this.src = src;
}
}
package com.cs.struts2.helloworld;
import java.awt.Color;
import java.awt.Font;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import com.opensymphony.xwork2.ActionSupport;
public class ChartActionB extends ActionSupport implements ServletRequestAware {
private HttpServletRequest request;
public JFreeChart getChart() throws IOException {
//--------------------- -------------------------------
CategoryDataset dataset;
String queryString = request.getQueryString();
queryString = java.net.URLDecoder.decode(queryString , "UTF-8");
System.out.println(queryString);
String type = null;
for(String param : queryString.split("&"))
{
String[] nameValue = param.split("=");
type = nameValue[0].equals("type") ? nameValue[1] : type;
}
String subTitle = "";
if(type.equals("JAVA "))
{
dataset = getDateSet1();
subTitle="JAVA ";
}
else if(type.equals("c++ "))
{
dataset = getDateSet4();
subTitle="c++ ";
}
else if(type.equals("C# "))
{
dataset = getDateSet2();
subTitle="C# ";
}
else
{
dataset = getDateSet3();
subTitle="VC++ ";
}
//String title = subTitle + " ";
//------------------------- ---------------------
//
JFreeChart chart = ChartFactory.createBarChart (
" ", //
" ", //
" ", //
dataset, //
//PlotOrientation.HORIZONTAL, //
PlotOrientation.VERTICAL, //
false, //
false, //
false // URL
);
//
chart.setTitle(new TextTitle("<<"+subTitle+">> ",new Font(" ",Font.ITALIC,22)));
//
//LegendTitle legendTitle = chart.getLegend(0);
//
//legendTitle.setItemFont(new Font(" ",Font.BOLD,14));
// plot
CategoryPlot plot = (CategoryPlot) chart.getPlot();
//
plot.getRenderer().setSeriesPaint(0, Color.blue);
//
CategoryAxis categoryAxis = plot.getDomainAxis();
//
categoryAxis.setLabelFont(new Font(" ",Font.BOLD,22));
// 45
//categoryAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
//
categoryAxis.setTickLabelFont(new Font(" ",Font.BOLD,22));
//
NumberAxis numberAxis = (NumberAxis) plot.getRangeAxis();
//
numberAxis.setLabelFont(new Font(" ",Font.BOLD,22));
// （0~1）
plot.setBackgroundAlpha(0.9f);
return chart;
}
//------------------------ --------------------
private static DefaultCategoryDataset getDateSet4() {
System.out.println("c++");
//
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.addValue(47,"c++ ", "06 10 ");
dataset.addValue(60,"c++ ", "06 11 ");
dataset.addValue(20,"c++ ","06 12 " );
dataset.addValue(50,"c++ ","07 1 ");
return dataset;
}
private static DefaultCategoryDataset getDateSet1() {
System.out.println("java");
//
DefaultCategoryDataset dataset1 = new DefaultCategoryDataset();
dataset1.addValue(47,"JAVA ", "06 10 ");
dataset1.addValue(23,"JAVA ", "06 11 ");
dataset1.addValue(20,"JAVA ","06 12 " );
dataset1.addValue(10,"JAVA ", "07 1 ");
return dataset1;
}
private static DefaultCategoryDataset getDateSet2() {
System.out.println("C#");
//
DefaultCategoryDataset dataset2 = new DefaultCategoryDataset();
dataset2.addValue(27,"C# ", "06 10 ");
dataset2.addValue(23,"C# ", "06 11 ");
dataset2.addValue(40,"C# ","06 12 " );
dataset2.addValue(70,"C# ", "07 1 ");
return dataset2;
}
private static DefaultCategoryDataset getDateSet3() {
System.out.println("VC++");
//
DefaultCategoryDataset dataset3 = new DefaultCategoryDataset();
dataset3.addValue(48,"VC++ ", "06 10 ");
dataset3.addValue(63,"VC++ ", "06 11 ");
dataset3.addValue(29,"VC++ ","06 12 " );
dataset3.addValue(49,"VC++ ","07 1 ");
return dataset3;
}
public void setServletRequest(HttpServletRequest request) {
this.request = request;
}
}
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<constant name="struts.action.extension" value="do,action"/>
<package name="first" extends="struts-default" namespace="/first">
<action name="chart" class="com.cs.struts2.helloworld.ChartAction" method="getChart">
<result name="first">first.jsp</result>
</action>
</package>
<package name="b" namespace="/first" extends="jfreechart-default">
<action name="bchart" class="com.cs.struts2.helloworld.ChartActionB">
<result type="chart">
<param name="width">700</param>
<param name="height">400</param>
</result>
</action>
</package>
</struts>
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<P ALIGN="CENTER">
<s:property value="mapMessage" escape="false"/>
<img src="<s:property value='src'/>" border=0 usemap="#map0">
</P>
<servlet>
<servlet-name>DisplayChart</servlet-name>
<servlet-class>org.jfree.chart.servlet.DisplayChart</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>DisplayChart</servlet-name>
<url-pattern>/servletDisplayChart</url-pattern>
</servlet-mapping>