20201110第七次全国人口普查登记系统

第七次全国人口普查登记（20分）

1、项目需求：

开展第七次全国人口普查，将为编制“十四五”规划提供重要信息支持；推动实现人口与经济社会、资源环境协调发展，为深化供给侧结构性改革，推动经济高质量发展，建设现代化经济体系提供强有力的支持；人口普查还将为完善人口发展战略和政策体系，促进人口长期均衡发展提供重要信息支持。

2.系统要求与功能设计

2.1 页面功能要求

（1）能够在Tomcat服务器中正确部署，并通过浏览器查看；（1分）

（2）网站页面整体风格统一；

图1 人口普查系统功能结构图

（3）主页面：要求显示人口登记、修改人口信息、删除人口信息、查询人口信息，人口信息浏览五个子菜单。（1分）

（4）人口登记页面：（6分）

①完成添加人口信息登记，基本信息和填报限制如下表所示

户别	家庭户集体户（单选框）
住房类型	家庭住宅、集体住所、工作地住所、其他住宅、无住宅（单选框）
本户现住房面积	XXXXX平方米（文本框，只能输入这个整数）
本户现住房间数	XXXXX间（文本框，只能输入这个整数）
户主姓名	XXXXX（文本框）
身份证号码	XXXXXXXXXXXXXXXXXX（判断身份证位数13位并且只能录入数字、最后一位可以录入X）
性别	男/女（单选框）
民族	（文本框）
受教育程度	研究生、大学本科、大学专科、高中、初中、小学、未上过学（下拉框实现）

②点击“提交”按钮，保存成功则跳转到人口基本信息浏览界面，新录入的信息置顶显示。失败则提示错误信息，返回当前页面

评分标准：

①完成人口登记页面（未完成0分，完成1分）

②保存人口信息入库（未完成0分，完成1分）

③户别、住房类别、性别实现一个单选框录入0.5分，全部实现1分。（未完成0分，完成一个0.5，全部完成1分）

④本户现住房面积或本户现住房间数实现整数判断（未完成0分，完成0.5分）

⑤判断身份证按照要求录入，实现位数和数字录入判断0.5分，实现最后一位可以输入数字或X判断0.5分。（1分）

⑥受教育程度下拉框录入（未完成0分，完成0.5分）

⑦提交后页面跳转功能；（未完成0分，完成1分）

（5）修改人口信息页面：（3分）

输入户主姓名，显示其余信息，可对身份证号码、性别、民族、受教育程度进行修改。（身份证号码、性别、受教育程度必须符合录入要求）；如果该名户主信息数据库不存在，则提示“该户主信息不存在”。（3分）

评分标准：

①完成修改户主个人信息页面（未完成0分，完成0.5分）

② 实现数据库中信息更新（未完成0分，完成1分）

③修改信息判断是否符合要求。（未完成0分，完成0.5分）

④输入姓名，显示其余信息，若该信息不存在，提示错误信息；（未完成0分，完成1分）

（6）删除人口信息页面：录入户主姓名，显示详细信息后，点击“删除”按钮，弹出提示框，提示“是否确认删除该户主信息”，确认后删除该信息。（1分）

评分标准：

①输入户主姓名可显示其余信息。（未完成0分，完成0.5分）

②对应删除数据库中信息（未完成0分，完成0.5分）

（7）浏览人口信息页面：（2分）

以列表形式显示人口基本信息，结果列表中显示姓名、性别，民族、受教育程度基本信息，点击姓名，可以跳转到个人详细信息。

①实现以列表形式显示人口基本信息，结果列表中显示姓名、性别，民族、受教育程度基本信息（未完成0分，完成1分）

②实现跳转个人详细信息页面。（未完成0分，完成1分）

（8）查询人口信息页面：（3分）

要求可以根据人口姓名、性别、民族、受教育程度四种条件实现模糊查询，输出结果以列表形式显示，显示人口姓名、性别、民族、受教育程度基本信息，点击列表中的姓名，跳转到人口个人详细信息页面。

评分标准：

①缺少一种查询条件扣除1分。（未完成0分，完成3分）

2.2 功能要求

（1）设计出合理的数据库和数据表，要求使用mysql、sqlserver、oracle三种数据库中一种（1分）

（2）使用Serverlet实现页面交互（1分）。

（3）使用Java Bean封装数据库连接操作（1分。）

DAO部分

package Dao;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;

import people.people;
import util.DBUtil;

/**
* 课程Dao
* Dao层操作数据
* @author Hu
*
*/
public class Dao {

/**
* 添加
* @param course
* @return
*/
public boolean add(people people) {
String sql = "insert into zhufang(name,idc,sex,min_zu,jiao_yu,hu_bie,zhu_fang_lei_bie,S,N) values('" + people.getName() + "','" + people.getIdc() + "','" + people.getSex() + "','" + people.getMin_zu() + "','" + people.getJiao_yu() + "','" + people.getHu_bie() + "','" + people.getZhu_fang_lei_bie() + "','" + people.getS() + "','" + people.getN() + "')";
//创建数据库链接
Connection conn = DBUtil.getConn();
Statement state = null;
boolean f = false;
int a = 0;

try {
state = conn.createStatement();
a = state.executeUpdate(sql);
} catch (Exception e) {
e.printStackTrace();
} finally {
//关闭连接
DBUtil.close(state, conn);
}

if (a > 0) {
f = true;
}
return f;
}

/**
* 删除
*
* @param id
* @return
*/
public boolean delete (int id) {
boolean f = false;
String sql = "delete from zhufang where id='" + id + "'";

Connection conn = DBUtil.getConn();
Statement state = null;
int a = 0;

try {
state = conn.createStatement();
a = state.executeUpdate(sql);
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBUtil.close(state, conn);
}

if (a > 0) {
f = true;
}
return f;
}

/**
* 修改
* @param name
* @param pass
*/
/**
* @param people
* @return
*/
public boolean update(people people) {
String sql = "update zhufang set name='" + people.getName() + "', idc='" + people.getIdc() + "', sex='" + people.getSex() + "', min_zu='" + people.getMin_zu() + "', jiao_yu='" + people.getJiao_yu()
+ "' where id='" + people.getId() + "'";
Connection conn = DBUtil.getConn();
Statement state = null;
boolean f = false;
int a = 0;

try {
state = conn.createStatement();
a = state.executeUpdate(sql);
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBUtil.close(state, conn);
}

if (a > 0) {
f = true;
}
return f;
}

/**
* 验证课程名称是否唯一
* true --- 不唯一
* @param name
* @return
*/
public boolean leibie(String name) {
boolean flag = false;
String sql = "select name from zhufang where name = '" + name + "'";
Connection conn = DBUtil.getConn();
Statement state = null;
ResultSet rs = null;

try {
state = conn.createStatement();
rs = state.executeQuery(sql);
while (rs.next()) {
flag = true;
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBUtil.close(rs, state, conn);
}
return flag;
}

/**
* 通过ID得到课程信息
* @param id
* @return
*/
public people getById(int id) {
String sql = "select * from zhufang where id ='" + id + "'";
Connection conn = DBUtil.getConn();
Statement state = null;
ResultSet rs = null;
people people = null;

try {
state = conn.createStatement();
rs = state.executeQuery(sql);
while (rs.next()) {
String name = rs.getString("name");
String min_zu = rs.getString("min_zu");
String jiao_yu = rs.getString("jiao_yu");
String idc = rs.getString("idc");
String sex = rs.getString("sex");
int ida = rs.getInt("id");
people = new people(ida,name,idc,min_zu,jiao_yu,sex);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
DBUtil.close(rs, state, conn);
}

return people;
}

/**
* 通过name得到Course
* @param name
* @return
*/
public people getByName(String name) {
String sql = "select * from zhufang where name ='" + name + "'";
Connection conn = DBUtil.getConn();
Statement state = null;
ResultSet rs = null;
people people = null;

try {
state = conn.createStatement();
rs = state.executeQuery(sql);
while (rs.next()) {
int id = rs.getInt("id");
String name1 = rs.getString("name");
String zhu_fang_lei_bie = rs.getString("zhu_fang_lei_bie");
String hu_bie = rs.getString("hu_bie");
String idc = rs.getString("idc");
String jiao_yu = rs.getString("jiao_yu");
String min_zu = rs.getString("min_zu");
int S = rs.getInt("S");
int N = rs.getInt("N");
String sex = rs.getString("sex");
people = new people(id,hu_bie,zhu_fang_lei_bie,name1,idc,min_zu,jiao_yu,sex,S,N);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
DBUtil.close(rs, state, conn);
}

return people;
}

/**
* 查找
* @param name
* @param teacher
* @param classroom
* @return
*/
public List<people> search(String name,String sex, String min_zu, String jiao_yu) {
String sql = "select * from zhufang where ";

if (name != "") {
sql += "name like '%" + name + "%'";
}
else if (min_zu != "") {
sql += "min_zu like '%" + min_zu + "%'";
}
else if (jiao_yu != "") {
sql += "jiao_yu like '%" + jiao_yu + "%'";
}
else if (sex != "") {
sql += "sex like '%" + sex + "%'";
}
else
{
}

List<people> list = new ArrayList<>();
Connection conn = DBUtil.getConn();
Statement state = null;
ResultSet rs = null;

try {
state = conn.createStatement();
rs = state.executeQuery(sql);
people bean = null;
while (rs.next()) {
int id = rs.getInt("id");
String name2 = rs.getString("name");
String min_zu2 = rs.getString("min_zu");
String jiao_yu2 = rs.getString("jiao_yu");
String sex2 = rs.getString("sex");
String idc2 = rs.getString("idc");
bean = new people(id,name2,idc2,min_zu2,jiao_yu2,sex2);
list.add(bean);
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBUtil.close(rs, state, conn);
}

return list;
}

/**
* 全部数据
* @param name
* @param teacher
* @param classroom
* @return
*/
public List<people> list() {
String sql = "select * from zhufang";
List<people> list = new ArrayList<>();
Connection conn = DBUtil.getConn();
Statement state = null;
ResultSet rs = null;

try {
state = conn.createStatement();
rs = state.executeQuery(sql);
people bean = null;
while (rs.next()) {
int id = Integer.parseInt(rs.getString("id"));
String name2 = rs.getString("name");
String min_zu2 = rs.getString("min_zu");
String jiao_yu2 = rs.getString("jiao_yu");
String sex2 = rs.getString("sex");
String idc2 = rs.getString("idc");
String hu_bie2 = rs.getString("hu_bie");
String zhu_fang_lei_bie2 = rs.getString("zhu_fang_lei_bie");
int S2 = Integer.parseInt(rs.getString("S"));
int N2 = Integer.parseInt(rs.getString("N"));
bean = new people(id,hu_bie2,zhu_fang_lei_bie2,name2,idc2,min_zu2,jiao_yu2,sex2,S2,N2);
list.add(bean);
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBUtil.close(rs, state, conn);
}

return list;
}

}

Servlet部分

package Servlet;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import people.people;
import Service.Service;

@WebServlet("/Servlet")
public class Servlet extends HttpServlet {

private static final long serialVersionUID = 1L;

Service service = new Service();

/**
* 方法选择
*/
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
req.setCharacterEncoding("utf-8");
String method = req.getParameter("method");

if ("add".equals(method)) {
add(req, resp);
} else if ("del".equals(method)) {
del(req, resp);
} else if ("update".equals(method)) {
update(req, resp);
} else if ("search".equals(method)) {
search(req, resp);
} else if ("getbyid".equals(method)) {
getById(req, resp);
} else if ("getbyname".equals(method)) {
getByName(req, resp);
} else if ("list".equals(method)) {
list(req, resp);
}
}

/**
* 添加
* @param req
* @param resp
* @throws IOException
* @throws ServletException
*/
private void add(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
req.setCharacterEncoding("utf-8");
//获取数据
String hu_bie = req.getParameter("hu_bie");
String zhu_fang_lei_bie = req.getParameter("zhu_fang_lei_bie");
String name = req.getParameter("name");
String idc = req.getParameter("idc");
String min_zu = req.getParameter("min_zu");
String jiao_yu = req.getParameter("jiao_yu");
String sex = req.getParameter("sex");
int S = Integer.parseInt(req.getParameter("S"));
int N = Integer.parseInt(req.getParameter("N"));

people people = new people(hu_bie,zhu_fang_lei_bie,name,idc,min_zu,jiao_yu,sex,S,N);

//添加后消息显示
if(service.add(people)) {
req.setAttribute("message", "添加成功");
req.getRequestDispatcher("add.jsp").forward(req,resp);
} else {
req.setAttribute("message", "添加失败，请重新录入");
req.getRequestDispatcher("add.jsp").forward(req,resp);
}
}

/**
* 全部
* @param req
* @param resp
* @throws ServletException
*/
private void list(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
req.setCharacterEncoding("utf-8");
List<people> peoples = service.list();
req.setAttribute("peoples", peoples);
req.getRequestDispatcher("detail2.jsp").forward(req,resp);
}

/**
* 通过ID得到Course
* @param req
* @param resp
* @throws ServletException
*/
private void getById(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
req.setCharacterEncoding("utf-8");
int id = Integer.parseInt(req.getParameter("id"));
people people = service.getById(id);
req.setAttribute("people", people);
req.getRequestDispatcher("detail2.jsp").forward(req,resp);
}

/**
* 通过名字查找
* 跳转至删除
* @param req
* @param resp
* @throws IOException
* @throws ServletException
*/
private void getByName(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
req.setCharacterEncoding("utf-8");
String name = req.getParameter("name");
people people =service.getByName(name);
if(people == null) {
req.setAttribute("message", "查无此人！");
req.getRequestDispatcher("del.jsp").forward(req,resp);
} else {
req.setAttribute("people", people);
req.getRequestDispatcher("detail.jsp").forward(req,resp);
}
}

/**
* 删除
* @param req
* @param resp
* @throws IOException
* @throws ServletException
*/
private void del(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
req.setCharacterEncoding("utf-8");
int id = Integer.parseInt(req.getParameter("id"));
service.del(id);
req.setAttribute("message", "删除成功！");
req.getRequestDispatcher("del.jsp").forward(req,resp);
}

/**
* 修改
* @param req
* @param resp
* @throws IOException
* @throws ServletException
*/
private void update(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
req.setCharacterEncoding("utf-8");
int id = Integer.parseInt(req.getParameter("id"));
String name = req.getParameter("name");
String idc = req.getParameter("idc");
String min_zu = req.getParameter("min_zu");
String jiao_yu = req.getParameter("jiao_yu");
String sex1 = req.getParameter("sex");
people people = new people(id,name,idc,min_zu,jiao_yu,sex1);

service.update(people);
req.setAttribute("message", "修改成功");
req.getRequestDispatcher("Servlet?method=list").forward(req,resp);
}

/**
* 查找
* @param req
* @param resp
* @throws ServletException
*/
private void search(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
req.setCharacterEncoding("utf-8");
String name = req.getParameter("name");
String min_zu = req.getParameter("min_zu");
String jiao_yu = req.getParameter("jiao_yu");
String sex = req.getParameter("sex");

List<people> peoples = service.search(name,sex,min_zu,jiao_yu);
req.setAttribute("peoples", peoples);
req.getRequestDispatcher("list.jsp").forward(req,resp);
}
}

服务层部分

package Service;

import java.util.List;

import Dao.Dao;
import people.people;

/**
* Service
* 服务层
* @author Hu
*
*/
public class Service {

Dao cDao = new Dao();

/**
* 添加
* @param course
* @return
*/
public boolean add(people people) {
boolean f = false;
if(!cDao.leibie(people.getName())) {
cDao.add(people);
f = true;
}
return f;
}

/**
* 删除
*/
public void del(int id) {
cDao.delete(id);
}

/**
* 修改
* @return
*/
public void update(people people) {
cDao.update(people);
}

/**
* 通过ID得到一个Course
* @return
*/
public people getById(int id) {
return cDao.getById(id);
}

/**
* 通过Name得到一个Course
* @return
*/
public people getByName(String name) {
return cDao.getByName(name);
}

/**
* 查找
* @return
*/
public List<people> search(String name, String sex, String min_zu,String jiao_yu) {
return cDao.search(name,sex,min_zu,jiao_yu);
}

/**
* 全部数据
* @return
*/
public List<people> list() {
return cDao.list();
}
}

类的封装部分

package people;

public class people {
String hu_bie;
String zhu_fang_lei_bie;
int S;
int N;
String name;
String idc;
String sex;
String min_zu;
String jiao_yu;
int id;
public people(int id,String name, String idc, String min_zu, String jiao_yu)
{
this.id = id;
this.min_zu = min_zu;
this.jiao_yu = jiao_yu;
this.name = name;
this.idc = idc;

}
public people(int id,String name, String idc, String min_zu, String jiao_yu,String sex) {
this.id = id;
this.sex = sex;
this.min_zu = min_zu;
this.jiao_yu = jiao_yu;
this.name = name;
this.idc = idc;

}
public people(String hu_bie, String zhu_fang_lei_bie, String name, String idc, String min_zu, String jiao_yu,String sex,int S,int N) {

this.hu_bie = hu_bie;
this.zhu_fang_lei_bie = zhu_fang_lei_bie;
this.S = S;
this.N = N;
this.sex = sex;
this.min_zu = min_zu;
this.jiao_yu = jiao_yu;
this.name = name;
this.idc = idc;

}
public people(int id,String hu_bie, String zhu_fang_lei_bie, String name, String idc, String min_zu, String jiao_yu,String sex,int S,int N) {
this.id = id;
this.hu_bie = hu_bie;
this.zhu_fang_lei_bie = zhu_fang_lei_bie;
this.S = S;
this.N = N;
this.sex = sex;
this.min_zu = min_zu;
this.jiao_yu = jiao_yu;
this.name = name;
this.idc = idc;

}
public String getHu_bie() {
return hu_bie;
}
public void setHu_bie(String hu_bie) {
this.hu_bie = hu_bie;
}
public String getZhu_fang_lei_bie() {
return zhu_fang_lei_bie;
}
public void setZhu_fang_lei_bie(String zhu_fang_lei_bie) {
this.zhu_fang_lei_bie = zhu_fang_lei_bie;
}
public int getS() {
return S;
}
public void setS(int s) {
S = s;
}
public int getN() {
return N;
}
public void setN(int n) {
N = n;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getIdc() {
return idc;
}
public void setIdc(String idc) {
this.idc = idc;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getMin_zu() {
return min_zu;
}
public void setMin_zu(String min_zu) {
this.min_zu = min_zu;
}
public String getJiao_yu() {
return jiao_yu;
}
public void setJiao_yu(String jiao_yu) {
this.jiao_yu = jiao_yu;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}

}

数据库连接

package util;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class DBUtil {

public static String db_url = "jdbc:mysql://localhost:3306/pu_cha?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone = GMT&allowPublicKeyRetrieval=true";
public static String db_user = "root";
public static String db_pass = "root";

public static Connection getConn () {
Connection conn = null;

try {
Class.forName("com.mysql.cj.jdbc.Driver");//加载驱动
conn = DriverManager.getConnection(db_url, db_user, db_pass);
} catch (Exception e) {
e.printStackTrace();
}

return conn;
}

/*10鍏抽棴杩炴帴*/
public static void close (Statement state, Connection conn) {
if (state != null) {
try {
state.close();
} catch (SQLException e) {
e.printStackTrace();
}
}

if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}

public static void close (ResultSet rs, Statement state, Connection conn) {
if (rs != null) {
try {
rs.close();
} catch (SQLException e) {
e.printStackTrace();
}
}

if (state != null) {
try {
state.close();
} catch (SQLException e) {
e.printStackTrace();
}
}

if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}

public static void main(String[] args) throws SQLException {
}
}

主菜单

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>人口普查系统</title>

</head>
<body>
<div align="center">

<div class="a">
<a href="add.jsp">信息登记</a>
</div>
<div class="a">
<a href="Servlet?method=list">信息修改</a>
</div>
<div class="a">
<a href="del.jsp">信息删除</a>
</div>
<div class="a">
<a href="searchlist.jsp">信息查询</a>
</div>
</div>
</body>
</html>

添加信息

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>人口信息登记</title>

</head>
<body>
<%
Object message = request.getAttribute("message");
if(message!=null && !"".equals(message)){

%>
<script type="text/javascript">
alert("<%=request.getAttribute("message")%>");
</script>
<%} %>
<div align="center">
<h1 style="color: black;">人口信息登记</h1>
<a href="menu.jsp">返回主页</a>
<form name="form1" action="Servlet?method=add" method="post" onsubmit="return check()">
<div class="a">
户别
集体户<input type="radio" id="hu_bie" name="hu_bie" value="collectivehousehold" >
家庭户<input type="radio" id="hu_bie" name="hu_bie" value="households" >
</div>
<div class="a">
住房类型
家庭住宅<input type="radio" id="zhu_fang_lei_bie" name="zhu_fang_lei_bie" value="familyhome" >
集体住所<input type="radio" id="zhu_fang_lei_bie" name="zhu_fang_lei_bie" value="collectivehouseing" >
工作地住所<input type="radio" id="zhu_fang_lei_bie" name="zhu_fang_lei_bie" value="workplacehousing" >
其他住宅<input type="radio" id="zhu_fang_lei_bie" name="zhu_fang_lei_bie" value="otherresidential" >
无住宅<input type="radio" id="zhu_fang_lei_bie" name="zhu_fang_lei_bie" value="noresidence" >
</div>
<div class="a">
现住房面积<input type="text" id="S" name="S" />
</div>
<div class="a">
现住房房间数<input type="text" id="N" name="N" />
</div>
<div class="a">
户主姓名<input type="text" id="name" name="name" />
</div>
<div class="a">
身份证号码<input type="text" id="idc" name="idc" />
</div>
<div class="a">
性别
男<input type="radio" name="sex" value="nan" >
女<input type="radio" name="sex" value="nv" >
</div>
<div class="a">
民族<input type="text" id="min_zu" name="min_zu" />
</div>
<div class="a">
受教育程度
研究生<input type="radio" id="jiao_yu" name="jiao_yu" value="postgraduate" >
大学本科<input type="radio" id="jiao_yu" name="jiao_yu" value="undergraduate" >
大学专科<input type="radio" id="jiao_yu" name="jiao_yu" value="college" >
高中<input type="radio" id="jiao_yu" name="jiao_yu" value="highschool" >
初中<input type="radio" id="jiao_yu" name="jiao_yu" value="juniorhighschool" >
小学<input type="radio" id="jiao_yu" name="jiao_yu" value="primaryschool" >
未上过学<input type="radio" id="jiao_yu" name="jiao_yu" value="uneducated" >
</div>
<div class="a">
<button type="submit" class="b">保存</button>
</div>
</form>
</div>
<script type="text/javascript">
function check() {
var S = document.form1.S.value;
var N = document.form1.N.value;
var idc = document.form1.idc.value;
var name = document.form1.name.value;
var jiao_yu = document.form1.jiao_yu.value;
var min_zu = document.form1.min_zu.value;;
var idc = document.form1.idc.value;
//非空
if(jiao_yu == '') {
alert('受教育程度为空');
jiao_yu.focus();
return false;
}
if(min_zu == '') {
alert('民族为空');
min_zu.focus();
return false;
}
if(S == '') {
alert('住房面积为空');
S.focus();
return false;
}
if(N == '') {
alert('房间数为空');
N.focus();
return false;
}if(idc == '') {
alert('身份证号码为空');
idc.focus();
return false;
}if(name == '') {
alert('户主名为空');
name.focus();
return false;
}if(idc.length!=18)
{
alert('身份证号码位数错误');
idc.focus();
return false;
}if(check_word(idc))
{
alert('身份证号码包含字母');
idc.focus();
return false;
}
if ((document.theForm.S.value.indexOf("-") == 0)||!(document.theForm.S.value.indexOf(".") == -1)){
alert("住房面积不能为小数或负数");
document.theForm.S.focus();
return false;
}
if ((document.theForm.N.value.indexOf("-") == 0)||!(document.theForm.N.value.indexOf(".") == -1)){
alert("房间数不能为小数或负数");
document.theForm.N.focus();
return false;
}
}
function check_word(str)
{ var arr = ["a", "b", "c", "d", "e", "f", "g", "h","i","j", "k", "l", "m", "n", "o", "p", "q","r", "s", "t", "u", "v", "w", "x", "y","z","A", "B", "C", "D", "E", "F", "G", "H","I","J", "K", "L", "M", "N", "O", "P", "Q","R","S", "T", "U", "V", "W", "X", "Y", "Z"];
for (var i = 0; i < arr.length; i++)
{
for (var j = 0; j < str.length; j++)
{
if (arr[i] == str.charAt(j))
{
if(arr[i]=="X"&&j==18)
{
return false;
}
return true;
}
}
}
return false;
}
</script>
</body>
</html>

删除信息

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>人口登记信息删除</title>

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>人口登记信息删除</title>
<style>
.a{
margin-top: 20px;
}
.b{
font-size: 20px;
160px;
color: white;
background-color: greenyellow;
}
.tb, td {
border: 1px solid black;
font-size: 22px;
}
</style>
</head>
<body>
<div align="center">
<h1 style="color: black;">人口登记信息删除</h1>
<a href="menu.jsp">返回主页</a>
<table class="tb">
<tr>
<td>户主姓名</td>
<td>${people.name}</td>
</tr>
<tr>
<td>身份证号码</td>
<td>${people.idc}</td>
</tr>
<tr>
<td>性别</td>
<td>${people.sex}</td>
</tr>
<tr>
<td>民族</td>
<td>${people.min_zu}</td>
</tr>
<tr>
<td>受教育程度</td>
<td>${people.jiao_yu}</td>
</tr>
</table>
<div class="a">
<a onclick="return check()" href="Servlet?method=del&id=${people.id}">删除</a>
</div>
</div>
<script type="text/javascript">
function check() {
if (confirm("真的要删除吗？")){
return true;
}else{
return false;
}
}
</script>
</body>
</html>

遍历输出信息

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>信息列表</title>

</head>
<body>
<div align="center">
<h1 style="color: black;">信息列表</h1>
<a href="menu.jsp">返回主页</a>
<table class="tb">
<tr>
<td>id</td>
<td>户主</td>
<td>身份证号码</td>
<td>性别</td>
<td>民族</td>
<td>受教育程度</td>
</tr>

<c:forEach items="${peoples}" var="item" varStatus="status">
<tr>
<td>${item.id}</td>
<td>${item.name}</td>
<td>${item.idc}</td>
<td>${item.sex}</td>
<td>${item.min_zu}</td>
<td>${item.jiao_yu}</td>

</tr>
</c:forEach>
</table>
</div>
</body>
</html>

查询信息

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>人口登记信息查询</title>

</head>
<body>
<div align="center">
<h1 style="color: black;">人口登记信息查询</h1>
<a href="menu.jsp">返回主页</a>
<form action="Servlet?method=search" method="post" onsubmit="return check()">
<div class="a">
户主<input type="text" id="name" name="name"/>
</div>
<div class="a">
性别<input type="text" id="sex" name="sex" />
</div>
<div class="a">
民族<input type="text" id="min_zu" name="min_zu" />
</div>
<div class="a">
受教育程度<input type="text" id="jiao_yu" name="jiao_yu" />
</div>

<div class="a">
<button type="submit" class="b">查   询</button>
</div>
</form>
</div>
<script type="text/javascript">
function check() {
var name = document.getElementById("name");;
var sex = document.getElementById("sex");
var min_zu = document.getElementById("min_zu");
var jiao_yu = document.getElementById("jiao_yu");

if(jiao_yu.value == '') {
alert('受教育程度为空');
jiao_yu.focus();
return false;
}
}if(name.value == '') {
alert('户主名为空');
name.focus();
return false;
}
if(min_zu.value == '') {
alert('民族为空');
min_zu.focus();
return false;
}
if(sex.value == '') {
alert('民族为空');
sex.focus();
return false;
}

}
</script>
</body>
</html>

修改信息

//非空
if(id.value == '') {
alert('id为空');
id.focus();
return false;
}
if(jiao_yu.value == '') {
alert('受教育程度为空');
jiao_yu.focus();
return false;
}
if(min_zu.value == '') {
alert('民族为空');
min_zu.focus();
return false;
}
if(idc.value == '') {
alert('身份证号码为空');
idc.focus();
return false;
}if(name.value == '') {
alert('户主名为空');
name.focus();
return false;
}
if(sex.value == '') {
alert('性别为空');
sex.focus();
return false;
}

}
</script>
</body>
</html>