distrbypostsnameservlet.java

jsp+servlet+Hibernte实现的公务员网上报名系统。为大学毕业设计成果

package com.servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.jfree.chart.ChartRenderingInfo;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.entity.StandardEntityCollection;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.chart.servlet.ServletUtilities;
import org.jfree.data.general.DefaultPieDataset;

import com.service.DistributionByPostsNameService;
import com.service.impl.DistributionByPostsNameServiceImpl;

public class DistrByPostsNameServlet extends HttpServlet {

	private static final long serialVersionUID = 1L;

	public DistrByPostsNameServlet() {
		super();
	}

	public void destroy() {
		super.destroy();
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request,response);
	}

	@SuppressWarnings("deprecation")
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		 request.setCharacterEncoding("gb2312");
		 response.setCharacterEncoding("gb2312");
		 String postsName = request.getParameter("postsName");
		
		 DistributionByPostsNameService distributionByPostsNameServiceImpl = new DistributionByPostsNameServiceImpl();
		 distributionByPostsNameServiceImpl.CountAppBENByPostsName(postsName);
		 int benCount = distributionByPostsNameServiceImpl.CountAppBENByPostsName(postsName);
		 int zhuanCount = distributionByPostsNameServiceImpl.CountAppZHUANByPostsName(postsName);
		 int shuoCount = distributionByPostsNameServiceImpl.CountAppSHUOByPostsName(postsName);
		 int boCount = distributionByPostsNameServiceImpl.CountAppBOByPostsName(postsName);
		 
		 int menCount = distributionByPostsNameServiceImpl.CountAppMenByPostsName(postsName);
		 int womenCount = distributionByPostsNameServiceImpl.CountAppWomenByPostsName(postsName);
		 
		 DefaultPieDataset data = new DefaultPieDataset(); 
         data.setValue("专科",zhuanCount); 
         data.setValue("学士",benCount); 
         data.setValue("硕士",shuoCount); 
         data.setValue("博士",boCount); 
       
         HttpSession session = request.getSession();
         PiePlot3D plot = new PiePlot3D(data);//生成一个3D饼图 
         JFreeChart chart = new JFreeChart("",JFreeChart.DEFAULT_TITLE_FONT, plot, true); 
         chart.setBackgroundPaint(java.awt.Color.white);//可选，设置图片背景色 
         chart.setTitle("学历比例情况");//可选，设置图片标题 
         StandardEntityCollection sec = new StandardEntityCollection(); 
         ChartRenderingInfo info = new ChartRenderingInfo(sec); 
         String filename = ServletUtilities.saveChartAsJPEG(chart,500,300,info,session); 
         String graphURL = request.getContextPath() + "/servlet/DisplayChart?filename=" + filename;        
         request.setAttribute("graphURL", graphURL);
         
         DefaultPieDataset dataDep = new DefaultPieDataset(); 
         dataDep.setValue("男性",menCount); 
         dataDep.setValue("女性",womenCount); 
       
         HttpSession sessionDep = request.getSession();
         PiePlot3D plotDep = new PiePlot3D(dataDep);//生成一个3D饼图 
//         plotDep.setSectionPaint(0,new Color(80,33,0)); 
//         plotDep.setSectionPaint(1,new Color(22,0,80)); 
         JFreeChart chartDep = new JFreeChart("",JFreeChart.DEFAULT_TITLE_FONT, plotDep, true); 
         chartDep.setBackgroundPaint(java.awt.Color.white);//可选，设置图片背景色 
         chartDep.setTitle("性别比例情况");//可选，设置图片标题 
         StandardEntityCollection secDep = new StandardEntityCollection(); 
         ChartRenderingInfo infoDep = new ChartRenderingInfo(secDep); 
         String filenameDep = ServletUtilities.saveChartAsJPEG(chartDep,500,300,infoDep,sessionDep); 
         String graphURLDep = request.getContextPath() + "/servlet/DisplayChart?filename=" + filenameDep;        
         request.setAttribute("graphURLDep", graphURLDep);
         
         request.getRequestDispatcher("/form/distr_byPostsName.jsp").forward(request, response);
   
	}

	public void init() throws ServletException {
		
	}

}