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@ -1,375 +1,112 @@
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package com.controller.frontweb;
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import com.dao.FrontWebDao;
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import com.entity.News;
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import com.entity.WebStu;
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import com.entity.WebTea;
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import com.utils.ChartUtils;
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import org.jfree.chart.ChartColor;
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import org.jfree.chart.ChartFactory;
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import org.jfree.chart.JFreeChart;
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import org.jfree.chart.axis.CategoryAxis;
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import org.jfree.chart.axis.ValueAxis;
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import org.jfree.chart.block.BlockBorder;
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import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
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import org.jfree.chart.labels.StandardPieSectionLabelGenerator;
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import org.jfree.chart.plot.CategoryPlot;
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import org.jfree.chart.plot.PiePlot3D;
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import org.jfree.chart.plot.PlotOrientation;
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import org.jfree.chart.renderer.category.BarRenderer;
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import org.jfree.chart.servlet.ServletUtilities;
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import org.jfree.chart.title.TextTitle;
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import org.jfree.data.category.DefaultCategoryDataset;
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import org.jfree.data.general.DefaultPieDataset;
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import org.jfree.ui.RectangleEdge;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import java.awt.*;
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import java.io.IOException;
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import java.sql.ResultSet;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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@WebServlet("/FrontWebServlet")
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public class FrontWebServlet extends HttpServlet {
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/**
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* 处理部门管理员忘记密码重置请求的Servlet
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* 验证两次输入的新密码是否一致并更新数据库
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*/
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@WebServlet("/DeptAdmForgetPswServlet")
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public class DeptAdmForgetPswServlet extends HttpServlet {
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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// 设置请求的字符编码为UTF-8，防止中文乱码
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req.setCharacterEncoding("utf-8");
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// 设置响应的字符编码为UTF-8，防止中文乱码
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resp.setCharacterEncoding("utf-8");
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// 设置响应的内容类型为HTML，字符编码为UTF-8
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resp.setContentType("text/html;charset=utf-8");
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String sql = null;
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HashMap<String, Object> hashMap = new HashMap<String, Object>();
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HttpSession session = req.getSession();
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String str = "是";
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Object[] objects = {str};
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//计算学生已经打卡
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sql = "select count(*) as num from stupunchin where sispunch = ?";
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int stuPunNum = FrontWebDao.findTotalCount(sql, objects);
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System.out.println(stuPunNum);
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//计算教师已经打卡
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sql = "select count(*) as num from teapunchin where tispunch = ?";
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int teaPunNum = FrontWebDao.findTotalCount(sql, objects);
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System.out.println(teaPunNum);
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//总打卡数
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int allPunNum = teaPunNum + stuPunNum;
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System.out.println(allPunNum);
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//设置请求的变量属性
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req.setAttribute("allPunNum", allPunNum);
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//计算学生发烧
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sql = "select count(*) as num from stupunchin where sishot = ?";
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int stuHotNum = FrontWebDao.findTotalCount(sql, objects);
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System.out.println(stuHotNum);
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//计算教师发烧
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sql = "select count(*) as num from teapunchin where tishot = ?";
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int teaHotNum = FrontWebDao.findTotalCount(sql, objects);
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System.out.println(teaHotNum);
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//总发烧
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int allHotNum = teaHotNum + stuHotNum;
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System.out.println(allHotNum);
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hashMap.put("发烧", allHotNum);
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//设置请求的变量属性
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req.setAttribute("allHotNum", allHotNum);
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//计算学生咳嗽
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sql = "select count(*) as num from stupunchin where siscough = ?";
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int stuCoughNum = FrontWebDao.findTotalCount(sql, objects);
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System.out.println(stuCoughNum);
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//计算教师咳嗽
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sql = "select count(*) as num from teapunchin where tiscough = ?";
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int teaCoughNum = FrontWebDao.findTotalCount(sql, objects);
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System.out.println(teaCoughNum);
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//总咳嗽
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int allCoughNum = teaCoughNum + stuCoughNum;
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System.out.println(allCoughNum);
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hashMap.put("咳嗽", allCoughNum);
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//设置请求的变量属性
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req.setAttribute("allCoughNum", allCoughNum);
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//计算学生疑似病例
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sql = "select count(*) as num from stupunchin where sisseem = ?";
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int stuSeemNum = FrontWebDao.findTotalCount(sql, objects);
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System.out.println(stuSeemNum);
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//计算教师疑似病例
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sql = "select count(*) as num from teapunchin where tisseem = ?";
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int teaSeemNum = FrontWebDao.findTotalCount(sql, objects);
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System.out.println(teaSeemNum);
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//总疑似病例
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int allSeemNum = stuSeemNum + teaSeemNum;
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System.out.println(allSeemNum);
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hashMap.put("疑似病例", allSeemNum);
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//设置请求的变量属性
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req.setAttribute("allSeemNum", allSeemNum);
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//计算学生确诊病例
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sql = "select count(*) as num from stupunchin where sisdiagnose = ?";
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int stuDiagNum = FrontWebDao.findTotalCount(sql, objects);
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System.out.println(stuDiagNum);
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//计算教师确诊病例
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sql = "select count(*) as num from teapunchin where tisdiagnose = ?";
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int teaDiagNum = FrontWebDao.findTotalCount(sql, objects);
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System.out.println(teaDiagNum);
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//总确诊病例
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int allDiagNum = stuDiagNum + teaDiagNum;
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System.out.println(allDiagNum);
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hashMap.put("确诊病例", allDiagNum);
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//设置请求的变量属性
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req.setAttribute("allDiagNum", allDiagNum);
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//计算学生异常
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str = "异常";
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Object[] objects1 = {str};
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sql = "select count(*) as num from stupunchin where sstatus = ?";
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int sStatusNum = FrontWebDao.findTotalCount(sql, objects1);
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System.out.println(sStatusNum);
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//计算教师异常
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sql = "select count(*) as num from teapunchin where tstatus = ?";
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int tStatusNum = FrontWebDao.findTotalCount(sql, objects1);
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System.out.println(tStatusNum);
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//总异常
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int allStatusNum = tStatusNum + sStatusNum;
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System.out.println(allStatusNum);
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hashMap.put("健康异常", allStatusNum);
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//设置请求的变量属性
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req.setAttribute("allStatusNum", allStatusNum);
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//计算状态正常
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int normalNum = allPunNum - allStatusNum;
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System.out.println(normalNum);
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hashMap.put("健康正常", normalNum);
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//创建饼状图
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//实例化核心类对象
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DefaultPieDataset dataset = new DefaultPieDataset();
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//法2：用iterator遍历key
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Iterator<String> iterator = hashMap.keySet().iterator();
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while (iterator.hasNext()){
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String key = iterator.next();
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dataset.setValue(key, (Number) hashMap.get(key));
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System.out.println(key+ ":" + (Number) hashMap.get(key));
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}
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//创建饼状图
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JFreeChart chart = ChartFactory.createPieChart3D("各情况占比分析", dataset, true, true, true);
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//无背景色
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chart.setBackgroundPaint(null);
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/*//处理主标题的乱码
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chart.getTitle().setFont(new Font("宋体",Font.BOLD,18));
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//处理子标题乱码
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chart.getLegend().setItemFont(new Font("宋体",Font.BOLD,15));
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//获取图表区域对象
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PiePlot3D categoryPlot = (PiePlot3D)chart.getPlot();
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//设置背景透明度
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categoryPlot.setBackgroundAlpha(0);
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//设置饼图透明度
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categoryPlot.setForegroundAlpha(0.7f);
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// 去除背景边框线
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categoryPlot.setOutlinePaint(null);
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//处理图像上的乱码
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categoryPlot.setLabelFont(new Font("宋体",Font.BOLD,15));
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//设置图形的生成格式为（张三 23 （10%））（姓名 值 百分比）
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String fm = "{0} {1} ({2})";
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categoryPlot.setLabelGenerator(new StandardPieSectionLabelGenerator(fm));*/
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// 设置抗锯齿，防止字体显示不清楚
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ChartUtils.setAntiAlias(chart);// 抗锯齿
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// 对柱子进行渲染[创建不同图形]
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ChartUtils.setPieRender(chart.getPlot());
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// plot.setSimpleLabels(true);//简单标签,不绘制线条
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// plot.setLabelGenerator(null);//不显示数字
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// 设置标注无边框
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chart.getLegend().setFrame(new BlockBorder(Color.WHITE));
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// 标注位于右侧
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chart.getLegend().setPosition(RectangleEdge.RIGHT);
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String filename = ServletUtilities.saveChartAsPNG(chart, 500, 300, null, session);
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String graphUrl = req.getContextPath() + "/DisplayChart?filename=" + filename;
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req.setAttribute("graphUrl", graphUrl);
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//创建柱形图
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//实例化核心类对象
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DefaultCategoryDataset dataset1 = new DefaultCategoryDataset();
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//设置图表值
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dataset1.addValue(stuHotNum, "学生", "发烧");
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dataset1.addValue(teaHotNum, "教师", "发烧");
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dataset1.addValue(stuCoughNum, "学生", "咳嗽");
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dataset1.addValue(teaCoughNum, "教师", "咳嗽");
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dataset1.addValue(stuSeemNum, "学生", "疑似病例");
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dataset1.addValue(teaSeemNum, "教师", "疑似病例");
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dataset1.addValue(stuDiagNum, "学生", "确诊病例");
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dataset1.addValue(teaDiagNum, "教师", "确诊病例");
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dataset1.addValue(sStatusNum, "学生", "健康异常");
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dataset1.addValue(tStatusNum, "教师", "健康异常");
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//生成柱形图
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JFreeChart chart1 = ChartFactory.createBarChart("学生和教师情况统计", // 图表标题
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null, // x轴的显示标签
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"个体数目", // y轴的显示标签
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dataset1, // 数据
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PlotOrientation.VERTICAL, // 图表方向：水平、垂直
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true, // 显示图例
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true, // 生成工具
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true // URL链接
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);
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// 对整个图形设置整个柱状图的颜色和文字针
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/* chart1.setBackgroundPaint(null);
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// chart.setBackgroundPaint(ChartColor.WHITE); // 设置总的背景颜色
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// 获得图形对象，并通过此对象对图形的颜色文字进行设置
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CategoryPlot polt = chart1.getCategoryPlot();// 获得图表对象
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polt.setBackgroundPaint(ChartColor.lightGray);// 图形背景颜色
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polt.setRangeGridlinePaint(ChartColor.WHITE);// 图形表格颜色
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// 设置柱宽度
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BarRenderer renderer = (BarRenderer) polt.getRenderer();
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renderer.setMaximumBarWidth(0.06);
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renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
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renderer.setBaseItemLabelsVisible(true);
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renderer.setBaseItemLabelFont(new Font("宋体", Font.BOLD, 15));
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// 图形设置标题文字
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TextTitle textTitle = chart1.getTitle();
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textTitle.setFont(new Font("宋体", Font.BOLD, 20));
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// 设置图形X轴坐标文字
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CategoryPlot plot = (CategoryPlot) chart1.getPlot();
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CategoryAxis axis = plot.getDomainAxis();
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axis.setLabelFont(new Font("宋体", Font.BOLD, 22)); // 设置X轴坐标上标题的文字
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axis.setTickLabelFont(new Font("宋体", Font.BOLD, 15)); // 设置X轴坐标上的文字
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// 设置图形Y轴坐标文字
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ValueAxis valueAxis = plot.getRangeAxis();
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valueAxis.setLabelFont(new Font("宋体", Font.BOLD, 12)); // 设置Y轴坐标上标题的文字
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valueAxis.setTickLabelFont(new Font("sans-serif", Font.BOLD, 12));// 设置Y轴坐标上的文字
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// 设置提示内容的文字
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chart1.getLegend().setItemFont(new Font("宋体", Font.BOLD, 15));*/
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// 设置抗锯齿，防止字体显示不清楚
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ChartUtils.setAntiAlias(chart1);// 抗锯齿
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// 对柱子进行渲染
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ChartUtils.setBarRenderer(chart1.getCategoryPlot(), false);//
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// 对其他部分进行渲染
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ChartUtils.setXAixs(chart1.getCategoryPlot());// X坐标轴渲染
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ChartUtils.setYAixs(chart1.getCategoryPlot());// Y坐标轴渲染
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// 设置标注无边框
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chart1.getLegend().setFrame(new BlockBorder(Color.WHITE));
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//无背景色
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chart1.setBackgroundPaint(null);
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String filename1 = ServletUtilities.saveChartAsPNG(chart1, 500, 300, null, session);
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String graphUrl1 = req.getContextPath() + "/DisplayChart?filename=" + filename1;
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req.setAttribute("graphUrl1", graphUrl1);
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String[] depts = {"马克思主义学院", "文学与传媒学院", "法政学院", "外国语学院", "教育科学学院", "信息工程学院", "数学与统计学院",
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"物理科学与技术学院", "机电工程学院", "化学化工学院", "生命与科学学院", "商学院", "体育科学学院", "美术与设计学院",
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"音乐与舞蹈学院", "创新创业教育学院", "教师教育学院", "基础教育学院"};
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//学生表格处理
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ArrayList<WebStu> webStuArrayList = new ArrayList<WebStu>();
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System.out.println(depts.length);
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for (int i = 0; i < depts.length; i++) {
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WebStu webStu = new WebStu();
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String dept = depts[i];
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webStu.setSdept(dept);
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sql = "select count(*) as num from student s, stupunchin sp where s.sno = sp.sno and s.sdept= ? and sp.sishot = ?";
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Object[] obj2 = {dept, "是"};
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int tbStuHotNum = FrontWebDao.findTotalCount(sql, obj2);
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webStu.setSishotNum(tbStuHotNum);
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sql = "select count(*) as num from student s, stupunchin sp where s.sno = sp.sno and s.sdept= ? and sp.siscough = ?";
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int tbStuCoughNum = FrontWebDao.findTotalCount(sql, obj2);
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webStu.setSiscoughNum(tbStuCoughNum);
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sql = "select count(*) as num from student s, stupunchin sp where s.sno = sp.sno and s.sdept= ? and sp.sisseem = ?";
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int tbStuSeemNum = FrontWebDao.findTotalCount(sql, obj2);
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webStu.setSisseemNum(tbStuSeemNum);
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sql = "select count(*) as num from student s, stupunchin sp where s.sno = sp.sno and s.sdept= ? and sp.sisdiagnose = ?";
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|
int tbStuDiagNum = FrontWebDao.findTotalCount(sql, obj2);
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|
webStu.setSisdiagnoseNum(tbStuDiagNum);
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|
sql = "select count(*) as num from student s, stupunchin sp where s.sno = sp.sno and s.sdept= ? and sp.sstatus = ?";
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|
Object[] obj3 = {dept, "异常"};
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|
int tbStuStatusNum = FrontWebDao.findTotalCount(sql, obj3);
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|
webStu.setSstatusNum(tbStuStatusNum);
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|
webStuArrayList.add(webStu);
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|
}
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|
System.out.println(webStuArrayList);
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|
req.setAttribute("webStuArrayList", webStuArrayList);
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|
//教师表格
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|
|
ArrayList<WebTea> webTeaArrayList = new ArrayList<WebTea>();
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|
for (int i = 0; i < depts.length; i++) {
|
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|
|
WebTea webTea = new WebTea();
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|
|
String dept = depts[i];
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|
webTea.setTdept(dept);
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sql = "select count(*) as num from teacher t, teapunchin tp where t.tno = tp.tno and t.tdept= ? and tp.tishot = ?";
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|
|
Object[] obj2 = {dept, "是"};
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|
|
int tbTeaHotNum = FrontWebDao.findTotalCount(sql, obj2);
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|
|
webTea.setTishotNum(tbTeaHotNum);
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|
sql = "select count(*) as num from teacher t, teapunchin tp where t.tno = tp.tno and t.tdept= ? and tp.tiscough = ?";
|
|
|
|
|
int tbTeaCoughNum = FrontWebDao.findTotalCount(sql, obj2);
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|
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|
|
webTea.setTiscoughNum(tbTeaCoughNum);
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|
|
sql = "select count(*) as num from teacher t, teapunchin tp where t.tno = tp.tno and t.tdept= ? and tp.tisseem = ?";
|
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|
|
int tbTeaSeemNum = FrontWebDao.findTotalCount(sql, obj2);
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|
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|
|
webTea.setTisseemNum(tbTeaSeemNum);
|
|
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|
|
sql = "select count(*) as num from teacher t, teapunchin tp where t.tno = tp.tno and t.tdept= ? and tp.tisdiagnose = ?";
|
|
|
|
|
int tbTeaDiagNum = FrontWebDao.findTotalCount(sql, obj2);
|
|
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|
|
webTea.setTisdiagnoseNum(tbTeaDiagNum);
|
|
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|
|
sql = "select count(*) as num from teacher t, teapunchin tp where t.tno = tp.tno and t.tdept= ? and tp.tstatus = ?";
|
|
|
|
|
Object[] obj3 = {dept, "异常"};
|
|
|
|
|
int tbTeaStatusNum = FrontWebDao.findTotalCount(sql, obj3);
|
|
|
|
|
webTea.setTstatusNum(tbTeaStatusNum);
|
|
|
|
|
webTeaArrayList.add(webTea);
|
|
|
|
|
// 从请求参数中获取管理员编号（用户输入的需要重置密码的账号）
|
|
|
|
|
String adno = req.getParameter("adno");
|
|
|
|
|
|
|
|
|
|
// 从请求参数中获取用户输入的新密码
|
|
|
|
|
String adpsw = req.getParameter("adpsw");
|
|
|
|
|
// 从请求参数中获取用户输入的确认密码
|
|
|
|
|
String adpsw1 = req.getParameter("adpsw1");
|
|
|
|
|
|
|
|
|
|
// 输入验证：检查获取到的管理员编号、新密码、确认密码参数是否为空
|
|
|
|
|
if (adno == null || adpsw == null || adpsw1 == null) {
|
|
|
|
|
// 如果参数为空，通过响应输出一段JavaScript代码，弹出提示框显示“参数不能为空！”
|
|
|
|
|
// 并将页面重定向到密码重置页面（/view/frontweb/deptadmforgetpsw.jsp）
|
|
|
|
|
resp.getWriter().write("<script>alert('参数不能为空！'); window.location='" + req.getContextPath() + "/view/frontweb/deptadmforgetpsw.jsp';</script>");
|
|
|
|
|
// 终止当前方法的执行
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
System.out.println(webTeaArrayList);
|
|
|
|
|
req.setAttribute("webTeaArrayList", webTeaArrayList);
|
|
|
|
|
|
|
|
|
|
// 判断两次输入的密码是否相同
|
|
|
|
|
if (adpsw.equals(adpsw1)){// 相同则进行修改操作
|
|
|
|
|
// 调用isPasswordValid方法验证密码强度（示例：至少8位，包含字母和数字）
|
|
|
|
|
if (!isPasswordValid(adpsw)) {
|
|
|
|
|
// 如果密码强度不足，通过响应输出一段JavaScript代码，弹出提示框显示“密码强度不足！至少8位，包含字母和数字”
|
|
|
|
|
// 并将页面重定向到密码重置页面（/view/frontweb/deptadmforgetpsw.jsp）
|
|
|
|
|
resp.getWriter().write("<script>alert('密码强度不足！至少8位，包含字母和数字'); window.location='" + req.getContextPath() + "/view/frontweb/deptadmforgetpsw.jsp';</script>");
|
|
|
|
|
// 终止当前方法的执行
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//实时播报
|
|
|
|
|
sql = "select * from news order by nid desc limit 7";
|
|
|
|
|
Object[] objects2 = {};
|
|
|
|
|
ArrayList<News> newsArrayList = new ArrayList<News>();
|
|
|
|
|
// 构造SQL更新语句，用于更新管理员表中指定管理员编号的密码
|
|
|
|
|
String sql = "update admin set adpsw = ? where adno = ?";
|
|
|
|
|
// 设置SQL语句的参数，第一个参数为新密码，第二个参数为管理员编号
|
|
|
|
|
Object[] objects = {adpsw, adno};
|
|
|
|
|
|
|
|
|
|
// 调用isAdminExists方法验证管理员是否存在
|
|
|
|
|
if (!isAdminExists(adno)) {
|
|
|
|
|
// 如果管理员账号不存在，通过响应输出一段JavaScript代码，弹出提示框显示“管理员账号不存在！”
|
|
|
|
|
// 并将页面重定向到密码重置页面（/view/frontweb/deptadmforgetpsw.jsp）
|
|
|
|
|
resp.getWriter().write("<script>alert('管理员账号不存在！'); window.location='" + req.getContextPath() + "/view/frontweb/deptadmforgetpsw.jsp';</script>");
|
|
|
|
|
// 终止当前方法的执行
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ResultSet resultSet = FrontWebDao.qureyInfo(sql, objects2);
|
|
|
|
|
try {
|
|
|
|
|
while (resultSet.next()){
|
|
|
|
|
News news = new News();
|
|
|
|
|
news.setTitle(resultSet.getString("title"));
|
|
|
|
|
news.setUrl(resultSet.getString("url"));
|
|
|
|
|
news.setPubdate(resultSet.getDate("pubdate"));
|
|
|
|
|
newsArrayList.add(news);
|
|
|
|
|
System.out.println(news);
|
|
|
|
|
// 调用FrontWebDao的executeUpdate方法执行SQL更新语句，返回受影响的行数
|
|
|
|
|
int num = FrontWebDao.executeUpdate(sql, objects);
|
|
|
|
|
|
|
|
|
|
// 如果受影响的行数大于0，说明更新成功
|
|
|
|
|
if (num > 0){
|
|
|
|
|
// 通过响应输出一段JavaScript代码，弹出提示框显示“修改密码成功！请登录！”
|
|
|
|
|
// 并将页面重定向到部门管理员登录页面（/view/frontweb/deptadmlogin.jsp），同时关闭当前窗口
|
|
|
|
|
resp.getWriter().write("<script>alert('修改密码成功！请登录！'); window.location='" + req.getContextPath() + "/view/frontweb/deptadmlogin.jsp';" + "window.close();</script>");
|
|
|
|
|
}else { // 如果受影响的行数不大于0，说明更新失败
|
|
|
|
|
// 通过响应输出一段JavaScript代码，弹出提示框显示“修改密码失败！请联系管理员”
|
|
|
|
|
// 并将页面重定向到密码重置页面（/view/frontweb/deptadmforgetpsw.jsp）
|
|
|
|
|
resp.getWriter().write("<script>alert('修改密码失败！请联系管理员'); window.location='" + req.getContextPath() + "/view/frontweb/deptadmforgetpsw.jsp';</script>");
|
|
|
|
|
}
|
|
|
|
|
} catch (Exception e) {
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
}else {// 如果两次密码不同
|
|
|
|
|
// 通过响应输出一段JavaScript代码，弹出提示框显示“两次密码不一样!请重新输入密码！”
|
|
|
|
|
// 并将页面重定向到密码重置页面（/view/frontweb/deptadmforgetpsw.jsp），同时关闭当前窗口
|
|
|
|
|
resp.getWriter().write("<script>alert('两次密码不一样!请重新输入密码！'); window.location='" + req.getContextPath() + "/view/frontweb/deptadmforgetpsw.jsp';" + "window.close();</script>");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
System.out.println(newsArrayList);
|
|
|
|
|
req.setAttribute("newsArrayList", newsArrayList);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
req.getRequestDispatcher("/view/frontweb/mainweb.jsp").forward(req, resp);
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
|
|
|
|
|
// 对于POST请求，直接调用doGet方法进行处理
|
|
|
|
|
this.doGet(req, resp);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 验证管理员是否存在的私有方法
|
|
|
|
|
private boolean isAdminExists(String adno) {
|
|
|
|
|
// 构造SQL查询语句，统计管理员表中指定管理员编号的记录数量
|
|
|
|
|
String sql = "select count(*) as num from admin where adno = ?";
|
|
|
|
|
// 设置SQL语句的参数为管理员编号
|
|
|
|
|
Object[] params = {adno};
|
|
|
|
|
// 调用FrontWebDao的findTotalCount方法执行SQL查询语句，获取记录数量
|
|
|
|
|
int count = FrontWebDao.findTotalCount(sql, params);
|
|
|
|
|
// 如果记录数量大于0，返回true，否则返回false
|
|
|
|
|
return count > 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 验证密码强度的私有方法
|
|
|
|
|
private boolean isPasswordValid(String password) {
|
|
|
|
|
// 使用正则表达式判断密码是否至少8位，并且包含字母和数字
|
|
|
|
|
return password.matches("^(?=.*[A-Za-z])(?=.*\\d).{8,}$");
|
|
|
|
|
}
|
|
|
|
|
}
|
