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package com.thunisoft.stat.charts;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.servlet.ServletUtilities;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.general.DatasetUtilities;

/**
 * <p>
 * 統(tǒng)計圖
 * </p>
 *
 * @author xx
 * @version 3.0
 * @company xx
 * @project xx
 */
public class Charts {
    int type;  //圖類型
    int height;
    int width;
    HttpSession session;
    HttpServletRequest request;
    
    public static String getChartJPEG( HttpServletRequest request) throws IOException{
        HttpSession session = request.getSession();
        double[][] data = {{672,733,256,467,333},{325,521,210,344,533},{572,382,433,534,311}};
        String[] rowKeys = {"蘋果","李子","香蕉"};
        String[] columKeys = {"北京","上海","武漢","深圳","哈爾濱"};
        CategoryDataset dataset = DatasetUtilities.createCategoryDataset(rowKeys,columKeys,data);
       
        JFreeChart chart = ChartFactory.createBarChart3D(
                            "Test", "的Test", "答復(fù)Test", dataset, PlotOrientation.HORIZONTAL,
                            false, false, false);
        String filename = ServletUtilities.saveChartAsJPEG(chart, 500, 300, session);
        String graphURL = request.getContextPath() + "/dealZbpz.do?filename=" + filename;
        return graphURL;
    }
}