chartutil.java

网上商城代码

package com.fendou.util.chart;

import java.awt.Color;
import java.util.List;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.data.general.DefaultPieDataset;

import com.fendou.vo.GoodsStat;

public class ChartUtil {
	
	
    public static JFreeChart createBarChart(List<GoodsStat> list){    	
    	DefaultCategoryDataset  dataset =new DefaultCategoryDataset ();
    	if(null !=list){
    		for(int i=0;i<list.size();i++){
    			GoodsStat goods =(GoodsStat)list.get(i);
    			dataset.addValue((goods.getSaleCount()*goods.getSaleAmount()), "商品", goods.getGoodsName());
    		}
    	}

    	JFreeChart freeChart=ChartFactory.createBarChart("销售统计图",// 图表标题
    			                                         "商品",  // x轴的显示标签
    			                                         "销售额",// y轴的显示标签
    			                                         dataset,  // 数据集
    			                                         PlotOrientation.VERTICAL, // 图表方向：水平、垂直
    			                                         true,// 是否显示图例
    			                                         true, // 是否生成工具
    			                                         false // 是否生成URL链接
    			                                         );
    	freeChart.setBackgroundPaint(Color.white);
    	CategoryPlot categoryplot = freeChart.getCategoryPlot();
    	categoryplot.setBackgroundPaint(Color.white);
        categoryplot.setDomainGridlinePaint(Color.white);
        categoryplot.setDomainGridlinesVisible(true);
        categoryplot.setRangeGridlinePaint(Color.blue);   
    	return freeChart;
    }
    public static JFreeChart createPaiChart(List<GoodsStat> list){    	
    	DefaultPieDataset   dataset =new DefaultPieDataset  ();
    	if(null !=list){
    		for(int i=0;i<list.size();i++){
    			GoodsStat goods =(GoodsStat)list.get(i);
    			dataset.setValue(goods.getGoodsName(),(goods.getSaleCount()*goods.getSaleAmount()));
    		}
    	}

    	JFreeChart freeChart=ChartFactory.createPieChart( "销售统计图", dataset, true,true,false);
    	
    	return freeChart;
    }
    public static JFreeChart createLineChart(List<GoodsStat> list){    	
    	DefaultCategoryDataset  dataset =new DefaultCategoryDataset ();
    	if(null !=list){
    		for(int i=0;i<list.size();i++){
    			GoodsStat goods =(GoodsStat)list.get(i);
    			dataset.addValue((goods.getSaleCount()*goods.getSaleAmount()), "商品", goods.getGoodsName());
    		}
    	}

    	JFreeChart freeChart=ChartFactory.createLineChart("销售统计图", "商品", "销售额", dataset, PlotOrientation.VERTICAL, true,true,false);
    	freeChart.setBackgroundPaint(Color.white);
    	CategoryPlot categoryplot = freeChart.getCategoryPlot();
    	categoryplot.setBackgroundPaint(Color.white);
        categoryplot.setDomainGridlinePaint(Color.white);
        categoryplot.setDomainGridlinesVisible(true);
        categoryplot.setRangeGridlinePaint(Color.blue);   
    	return freeChart;
    }
   
}