import java.awt.Font;
import java.io.File;
import java.util.Date;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.chart.servlet.ServletUtilities;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.DefaultCategoryDataset;
/**
* 此类是生成折线图
* @author anonymous
*
*/
public class DIVzhexian {
public static void main(String arg[]){
/**
* 生成曲线图
*/
/**
* 曲线图标题
*/
String title = "报价趋势图";
/**
* 曲线图X轴提示
*/
String domain = "轮次";
/**
* 曲线图Y轴提示
*/
String range = "价格";
/**
* 曲线图自标题
*/
String subtitleStr = "aa";
/**
* 创建时间初始化数据
*/
DefaultCategoryDataset line_dataset = new DefaultCategoryDataset();
line_dataset.addValue(9999, "供应商a", "参考价");
line_dataset.addValue(8000, "供应商a", "第一轮");
line_dataset.addValue(6000, "供应商a", "第二轮");
line_dataset.addValue(5000, "供应商a", "第三轮");
line_dataset.addValue(9999, "供应商b", "参考价");
line_dataset.addValue(8500, "供应商b", "第一轮");
line_dataset.addValue(6500, "供应商b", "第二轮");
line_dataset.addValue(4500, "供应商b", "第三轮");
/**
* 建立曲线对象
*/
JFreeChart line_chart =
ChartFactory.createLineChart(
title,
domain,
range,
line_dataset,
PlotOrientation.VERTICAL,
true,
true,
false);
/**
* 添加折线折点
*/
CategoryPlot plot = line_chart.getCategoryPlot();
LineAndShapeRenderer renderer = (LineAndShapeRenderer)plot.getRenderer();
/**
* 设置显示为 true 是启用
*/
renderer.setShapesVisible(true);
/**
* 设置轮廓线为 true 是启用
*/
renderer.setDrawOutlines(false);
/**
* 设置整体打印
*/
renderer.setUseFillPaint(true);
/**
* 设置整体打印的颜色
*/
renderer.setFillPaint(java.awt.Color.blue);
/**
* 设置子标题标题字体 颜色 大小
*/
TextTitle subtitle = new TextTitle(subtitleStr, new Font("黑体", Font.BOLD, 12));
line_chart.addSubtitle(subtitle);
/**
* 设置标题标题字体 颜色 大小
*/
line_chart.setTitle(new TextTitle(title, new Font("隶书", Font.ITALIC, 15)));
long time=new Date().getTime();
String rfname = "Piczhexian_"+time+ ".jpeg";
String fileName = "d:\\" + rfname;
try {
ChartUtilities.saveChartAsJPEG(new File(fileName),100, line_chart, 500,500);
}catch(Exception e){
e.getStackTrace();
}
System.out.println("输出保存在D://中 Piczhexian_"+time+".jpeg");
}
}