Java-web第七次人口普查征集系统开发日志七
人口浏览功能实现（2）
点击列表显示中人口姓名，即可展示人口的详细信息
实现方式，将人口姓名设置为超链接，通过超链接将前端的值传入对应的后端中，再将新的展示界面覆盖原来的界面
效果：
源码：
界面源代码：
1 <%@page import="entity.People"%> 2 <%@page import="java.util.List"%> 3 4 <%@ page language="java" contentType="text/html; charset=utf-8" 5 pageEncoding="utf-8"%> 6 <!DOCTYPE html> 7 <html> 8 <head> 9 <meta charset="utf-8"> 10 <title>Insert title here</title> 11 12 <link rel="stylesheet" href="layui/css/layui.css" media="all"> 13 <script src="layui/layui.js" type="text/javascript"></script> 14 <script src="jquery/jquery-1.9.1.min.js" type="text/javascript"></script> 15 16 </head> 17 <body> 18 <% 19 List<People> list =(List<People>)request.getAttribute("list"); 20 %> 21 <table class="layui-table"> 22 <colgroup> 23 <col width="200"> 24 <col width="200"> 25 <col> 26 </colgroup> 27 <% 28 if(list==null){ 29 %> 30 <tr> 31 <td colspan="2" align="center"><label>暂无查找记录111111</label></td> 32 </tr> 33 <% 34 } 35 else{ 36 37 People p=list.get(0); 38 %> 39 40 <tr> 41 <td>户主姓名:</td><td><%= p.getHZXM() %></td> 42 </tr> 43 <tr> 44 <th>性别</th><td><%= p.getXB() %></td> 45 </tr> 46 <tr> 47 <th>民族</th><td><%= p.getMZ() %></td> 48 </tr> 49 <tr> 50 <th>受教育程度</th><td><%= p.getSJYCD() %></td> 51 </tr> 52 <tr> 53 <th>户别</th><td><%= p.getHB() %></td> 54 </tr> 55 <tr> 56 <th>住房类型</th><td><%= p.getZFLX() %></td> 57 </tr> 58 <tr> 59 <th>现住房面积</th><td><%= p.getXZFMJ() %></td> 60 </tr> 61 <tr> 62 <th>现住房间数</th><td><%= p.getXZFJS() %></td> 63 </tr> 64 65 <% 66 } 67 %> 68 </table> 69 70 71 </body> 72 </html>
servlet源代码：
1 package service; 2 3 import java.io.IOException; 4 import java.util.List; 5 6 import javax.servlet.ServletException; 7 import javax.servlet.annotation.WebServlet; 8 import javax.servlet.http.HttpServlet; 9 import javax.servlet.http.HttpServletRequest; 10 import javax.servlet.http.HttpServletResponse; 11 12 import dao.PeopleDao; 13 import dao.PeopleDaoImpI; 14 import entity.People; 15 16 17 18 /** 19 * Servlet implementation class PeopleLiulanInfoServlet 20 */ 21 @WebServlet("/PeopleLiulanInfoServlet") 22 public class PeopleLiulanInfoServlet extends HttpServlet { 23 private static final long serialVersionUID = 1L; 24 25 /** 26 * @see HttpServlet#HttpServlet() 27 */ 28 public PeopleLiulanInfoServlet() { 29 super(); 30 // TODO Auto-generated constructor stub 31 } 32 33 /** 34 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) 35 */ 36 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { 37 doPost(request, response); 38 39 } 40 41 /** 42 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) 43 */ 44 protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { 45 46 request.setCharacterEncoding("utf-8"); 47 response.setContentType("text/html;charset=utf-8"); 48 49 String HZXM=request.getParameter("HZXM"); 50 51 PeopleDao pd = new PeopleDaoImpI(); 52 System.out.println(HZXM); 53 54 try { 55 List<People> people=pd.selectall(HZXM,null,null,null); 56 request.setAttribute("list", people); 57 request.getRequestDispatcher("renkouliulaninfo.jsp").forward(request, response); 58 System.out.println("人口查询成功！！！"); 59 }catch(Exception e){ 60 System.out.println("人口信息查询失败！！！"); 61 e.printStackTrace(); 62 } 63 } 64 65 }
即可实现，人口信息，详细展示功能
