showview.java

自己制作的联通CRM,支持客户分类,管理,升级,积分管理等等..

package com.jn0801.company;

import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.io.OutputStream;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.time.Day;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.time.TimeSeriesDataItem;

import com.jn0801.company.dao.ViewBean;

/**
 * 这是构造集团视图的方法
 * @author zjj
 *
 */
public class ShowView {

	public void view(ViewBean viewBean, OutputStream output) {

		Date date = new Date();
		DateFormat dateFormat = new SimpleDateFormat("yyyy");
		String mydate = dateFormat.format(date);

		String totletitle = mydate + viewBean.getTotletitle();		//总标题
		String ytitle = viewBean.getYtitle();						//Y轴标题		
		String xtitle = viewBean.getXtitle();						//X轴标题
		int minmonth = Integer.parseInt(viewBean.getMinmonth());	//最小月份
		int maxmonth = Integer.parseInt(viewBean.getMaxmonth());	//最大月份
		Map map = viewBean.getMap();								//月份和话费的键值对集合

		//每一个TimeSeries在图上是一条曲线
		TimeSeries ca = new TimeSeries(viewBean.getCompanyname());

		//将每个月所对应的值存入ca
		for (int mon = minmonth; mon <= maxmonth; mon++) {
			ca.add(new TimeSeriesDataItem(new Day(1, mon, Integer
					.parseInt(mydate)),
					new Double(String.valueOf(map.get(String.valueOf(mon))))));
		}

		//时间曲线数据的集合
		TimeSeriesCollection dataset = new TimeSeriesCollection();
		dataset.addSeries(ca);

		//时间曲线元素
		JFreeChart chart = ChartFactory.createTimeSeriesChart(totletitle,
				xtitle, ytitle, dataset, true, true, false);

//		 TextTitle subtitle = new TextTitle(totletitle, new Font("黑体",
//		 Font.BOLD, 12));
//		 chart.addSubtitle(subtitle);
//		 chart.setTitle(new TextTitle(xtitle, new Font("隶书", Font.ITALIC,
//		 15)));
		 chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0,
		 1000,
		 Color.blue));

		try {
			ChartUtilities.writeChartAsJPEG(output, chart, 260, 260);	//输出图片
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}