package my.pack.Util;import java.io.IOException;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.jfree.chart.ChartFactory;import org.jfree.chart.ChartUtilities;import org.jfree.chart.JFreeChart;import org.jfree.chart.axis.NumberAxis;import org.jfree.chart.axis.ValueAxis;import org.jfree.chart.plot.CategoryPlot;import org.jfree.chart.plot.XYPlot;import org.jfree.chart.title.TextTitle;import org.jfree.data.time.Minute;import org.jfree.data.time.Month;import org.jfree.data.time.TimeSeries;import org.jfree.data.time.TimeSeriesCollection;import java.awt.Font;public class TemperatureServlet extends HttpServlet {private static final long serialVersionUID = 1L; public TemperatureServlet() { super(); }protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {doResponse(request,response);}protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {doResponse(request,response);}private void doResponse(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {String _time = request.getParameter("time");String _data = request.getParameter("data");System.out.println("time:" + _time);System.out.println("data:" + _data);TimeSeries timeSeries = new TimeSeries("阿蜜果blog访问量统计", Month.class);//时间曲线数据集合TimeSeriesCollection lineDataset = new TimeSeriesCollection();//构造数据集合timeSeries.add(new Month(1, 2007), 11200);timeSeries.add(new Month(2, 2007), 9000);timeSeries.add(new Month(3, 2007), 6200);timeSeries.add(new Month(4, 2007), 8200);timeSeries.add(new Month(5, 2007), 8200);timeSeries.add(new Month(6, 2007), 12200);timeSeries.add(new Month(7, 2007), 13200);timeSeries.add(new Month(8, 2007), 8300);timeSeries.add(new Month(9, 2007), 12400);timeSeries.add(new Month(10, 2007), 12500);timeSeries.add(new Month(11, 2007), 13600);timeSeries.add(new Month(12, 2007), 2500);lineDataset.addSeries(timeSeries);JFreeChart chart = ChartFactory.createTimeSeriesChart("访问量统计时间线", "月份", "访问量", lineDataset, true, true, true);//设置子标题TextTitle subtitle = new TextTitle("2007年度", new Font("黑体", Font.BOLD, 12));chart.addSubtitle(subtitle);//设置主标题chart.setTitle(new TextTitle("阿蜜果blog访问量统计", new Font("隶书", Font.ITALIC, 15)));chart.setAntiAlias(true);/*字体设置（避免中文乱码）*/ XYPlot plot = (XYPlot) chart.getPlot(); ValueAxis valueAxis = plot.getDomainAxis(); // 设置x轴上面的字体 valueAxis.setTickLabelFont(new Font("隶书", Font.ITALIC, 12)); // 设置X轴的标题文字 valueAxis.setLabelFont(new Font("隶书", Font.ITALIC, 12)); NumberAxis numberAxis = (NumberAxis) plot.getRangeAxis(); // 设置y轴上的字体 numberAxis.setTickLabelFont(new Font("宋体", Font.PLAIN, 13)); // 设置y轴上的标题字体 numberAxis.setLabelFont(new Font("宋体", Font.PLAIN, 13)); // 设置底部的字体 chart.getLegend().setItemFont(new Font("宋体", Font.PLAIN, 12)); //将图表以数据流的方式返回给客户端 ChartUtilities.writeChartAsPNG(response.getOutputStream(), chart,500, 300); }}
