人口普查1
作者：互联网
package tool;
import java.sql.*;
public class linkMYSQL {
// MySQL 8.0 以上版本 - JDBC 驱动名及数据库 URL
static final String JDBC_DRIVER = "com.mysql.cj.jdbc.Driver";
//*************************************************服务器端口/数据库名称？useSS**********************
static final String DataBasName="learnmysql";
static final String URL_Fornt="jdbc:mysql://localhost:3307/";
static final String URL_Tail="?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC";
static final String URL =URL_Fornt+DataBasName+URL_Tail;
// 数据库的用户名与密码
static final String USER = "root";
static final String PASS = "123456";
public static Connection link_mysql() {
Connection conn=null;
try {
Class.forName(JDBC_DRIVER);
System.out.println("连接数据库...");
conn = DriverManager.getConnection(URL,USER,PASS);
System.out.println("已连接数据库");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return conn;
}
public static void stop_link_mysql(Connection conn) {
if(conn!=null)
try {
conn.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void stop_link_mysql(PreparedStatement pre) {
if(pre!=null)
try {
pre.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void stop_link_mysql(Statement pre) {
if(pre!=null)
try {
pre.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void stop_link_mysql(ResultSet res) {
if(res!=null)
try {
res.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
package tool;
import java.sql.*;
import java.util.ArrayList;
import java.util.List;
public class operationMYSQL {
final static String table_name=" people";
final static String table_key="(house,housesize,houseroom,name,id,sex,nation,edu)";
final static String table_value="values (?,?,?,?,?,?,?,?)";
/*******************************************************************/
public void addData(userData data) {
Connection connection=linkMYSQL.link_mysql();//链接数据库
PreparedStatement ps=null;
try {
String input="insert into "+table_name+table_key+table_value;
ps=connection.prepareStatement(input);
System.out.println("test use 1");
/********************************/
ps.setString(1, data.getHouse());
ps.setString(2, data.getHousesize());
ps.setString(3, data.getHouseroom());
ps.setString(4, data.getName());
ps.setString(5, data.getId());
System.out.println("test use 2");
ps.setString(6, data.getSex());
ps.setString(7, data.getNation());
ps.setString(8, data.getEdu());
/*****************************/
ps.executeUpdate();
System.out.println("数据导入成功");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally {
linkMYSQL.stop_link_mysql(connection);
linkMYSQL.stop_link_mysql(ps);
}
}
public void deleteData(String id){
Connection connection=linkMYSQL.link_mysql();//链接数据库
Statement ps=null;
try {
ps = connection.createStatement();
String output="delete from "+table_name+" where house='"+id+"';";
System.out.println("test delete 1");
ps.executeUpdate(output);
System.out.println("删除成功");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
linkMYSQL.stop_link_mysql(connection);
linkMYSQL.stop_link_mysql(ps);
}
public void update(userData data) {
Connection connection=linkMYSQL.link_mysql();//链接数据库
Statement ps=null;
try {
ps = connection.createStatement();
String house= data.getHouse();
String hs= data.getHousesize();
String hr= data.getHouseroom();
String name= data.getName();
String id= data.getId();
String sex= data.getSex();
String nation= data.getNation();
String edu= data.getEdu();
String output="update"+table_name+" set where house='"+house+"',housesize='"+hs+"',houseroom='"+hr+"',name='"+name+"',id='"+id+"',sex='"+sex+"',nation='"+nation+"',edu='"+edu+"';";
ps.executeUpdate(output);
System.out.println("更新成功");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally {
linkMYSQL.stop_link_mysql(connection);
linkMYSQL.stop_link_mysql(ps);
}
}
public List<userData> getAllData() {
List<userData> date=new ArrayList<userData>();
Connection connection=linkMYSQL.link_mysql();//链接数据库
Statement ps=null;
try {
ps = connection.createStatement();
String output="select * from "+table_name+";";
System.out.println("test use 1");
ResultSet rs = ps.executeQuery(output);
System.out.println("test use 2");
while(rs.next()){
System.out.println("test use");
userData temp=new userData(rs.getString("house"),rs.getString("housesize"),rs.getString("houseroom"),rs.getString("name"),rs.getString("id"),rs.getString("sex"),rs.getString("nation"),rs.getString("edu"));
System.out.println("户别："+temp.getHouse()+" 现住房面积："+temp.getHousesize()+" 现住房房间数："+temp.getHouseroom()+" 姓名："+temp.getName()+" 身份证号："+temp.getId()+" 性别："+temp.getSex()+" 民族："+temp.getNation()+" 受教育程度："+temp.getEdu());
date.add(temp);
}
System.out.println("获取成功");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally {
linkMYSQL.stop_link_mysql(connection);
linkMYSQL.stop_link_mysql(ps);
}
return date;
}
public userData getData(String a) {
//List<String> date=new ArrayList<String>();
userData save = null;
Connection connection=linkMYSQL.link_mysql();//链接数据库
Statement ps=null;
try {
ps = connection.createStatement();
String output="select * from "+table_name+" where house='"+a+"';";
System.out.println("test use 1");
ResultSet rs = ps.executeQuery(output);
System.out.println("test use 2");
while(rs.next()){
save=new userData(rs.getString("house"),rs.getString("housesize"),rs.getString("houseroom"),rs.getString("name"),rs.getString("id"),rs.getString("sex"),rs.getString("nation"),rs.getString("edu"));
System.out.println("获取成功");
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally {
linkMYSQL.stop_link_mysql(connection);
linkMYSQL.stop_link_mysql(ps);
}
return save;
}
public String get(String a) {
//List<String> date=new ArrayList<String>();
String save = null;
Connection connection=linkMYSQL.link_mysql();//链接数据库
Statement ps=null;
try {
ps = connection.createStatement();
String output="select * from "+table_name+" where house like '"+a+"';";
System.out.println("test use 1");
ResultSet rs = ps.executeQuery(output);
System.out.println("test use 2");
while(rs.next()){
save="姓名："+rs.getString("house")+"性别："+rs.getString("housesize")+"民族："+rs.getString("edu")+"受教育程度"+rs.getString("nation")+"<br>";
System.out.println("获取成功");
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally {
linkMYSQL.stop_link_mysql(connection);
linkMYSQL.stop_link_mysql(ps);
}
return save;
}
}
package tool;
public class userData {
private String house;
private String housesize;
private String houseroom;
private String name;
private String id;
private String sex;
private String nation;
private String edu;
public userData(){
id="*";
name="***";
sex="male";
house="0";
houseroom="0";
housesize="0";
edu="*";
nation="*";
}
public userData(String i,String na,String se,String ho,String hr,String hs,String ed,String n){
id=i;
name=na;
sex=se;
house=ho;
houseroom=hr;
housesize=hs;
edu=ed;
nation=n;
}
public String getEdu() {
return edu;
}public String getHouse() {
return house;
}public String getHouseroom() {
return houseroom;
}public String getHousesize() {
return housesize;
}public String getId() {
return id;
}public String getName() {
return name;
}public String getNation() {
return nation;
}public String getSex() {
return sex;
}public void setEdu(String edu) {
this.edu = edu;
}public void setHouse(String house) {
this.house = house;
}public void setHousesize(String housesize) {
this.housesize = housesize;
}public void setHouseroom(String houseroom) {
this.houseroom = houseroom;
}public void setId(String id) {
this.id = id;
}public void setName(String name) {
this.name = name;
}public void setNation(String nation) {
this.nation = nation;
}public void setSex(String sex) {
this.sex = sex;
}
}
<!DOCTYPE html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@page import="java.util.*"%>
<%@page import="tool.*" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>信息录入</title>
</head>
<body>
<h3>请选择</h3>
<h4>1.查询信息</h4>
<script type="text/javascript">
function myfuc(){
window.location.href='查询.jsp';
}
</script>
<button onclick="myfuc()">确定</button>
<h4>2.信息登记</h4>
<script type="text/javascript">
function myfuc1(){
window.location.href='登记.jsp';
}
</script>
<button onclick="myfuc1()">确定</button>
<h4>3.信息修改</h4>
<script type="text/javascript">
function myfuc2(){
window.location.href='修改.jsp';
}
</script>
<button onclick="myfuc2()">确定</button>
<h4>4.信息删除</h4>
<script type="text/javascript">
function myfuc3(){
window.location.href='删除.jsp';
}
</script>
<button onclick="myfuc3()">确定</button>
</body>
</html>
<!DOCTYPE html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@page import="java.util.*"%>
<%@page import="tool.*" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>删除</title>
</head>
<body>
<h3>输入要查询的关键词：</h3>
<form action="查询.jsp" method="get">
<input type="text" name="name">
<input type="submit" value="确定删除"><br>
</form>
<br>
<script type="text/javascript">
function myfuc3(){
window.location.href='显示全部信息.jsp';
}
</script>
<button onclick="myfuc3()">显示全部信息</button>
<script type="text/javascript">
function myfuc3(){
window.location.href='人口普查系统.jsp';
}
</script>
<button onclick="myfuc3()">返回总页面</button>
<%
operationMYSQL get=new operationMYSQL();
if(request.getParameter("name")!=null){
String t=get.get(request.getParameter("name"));
out.println(t);
}
%>
</body>
</html>
<!DOCTYPE html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@page import="java.util.*"%>
<%@page import="tool.*" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>录入</title>
</head>
<body>
<h3>输入要录入的学生信息；</h3>
<form action="登记.jsp" method="get">
户别：<input type="radio" name="house" value="家庭户">家庭户
<input type="radio" name="house" value="集体户">集体户<br>
现住房面积：<input type="number" name="housesize" min="0"><br>
现住房房间数：<input type="number" name="houseroom" min="0"><br>
姓名：<input type="text" name="name" ><br>
身份证：<input type="text" name="id"><br>
性别：<input type="radio" name="sex" value="male">Male
<input type="radio" name="sex" value="female">Female<br>
民族：<input type="text" name="nation" ><br>
受教育程度:<input list="edus" name="edu">
<datalist id="edus">
<option value="小学" >
<option value="初中" >
<option value="高中" >
<option value="大专" >
<option value="大学本科" >
<option value="硕士" >
<option value="博士" >
</datalist><br>
<input type="submit" value="确定">
</form>
<script type="text/javascript">
var cardId=/^[1-9][0-9]{5}(19|20)[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|31)|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}([0-9]|x|X)$/;
var aa = '<%=(String)request.getParameter("id")%>';
if(cardId.test(aa)){
console.log("正确")
</script>
<%System.out.println(request.getParameter("house")+request.getParameter("housesize")+request.getParameter("houseroom")+request.getParameter("name")+request.getParameter("id")+request.getParameter("sex")+request.getParameter("nation")+request.getParameter("edu"));
userData save=new userData(request.getParameter("house"),request.getParameter("housesize"),request.getParameter("houseroom"),request.getParameter("name"),request.getParameter("id"),request.getParameter("sex"),request.getParameter("nation"),request.getParameter("edu"));
operationMYSQL add=new operationMYSQL();
add.addData(save);
%>
<script type="text/javascript">
}else{
console.log("格式不正确")
}
</script>
<script type="text/javascript">
function myfuc3(){
window.location.href='人口普查系统.jsp';
}
</script>
<button onclick="myfuc3()">点击返回主页面</button>
</body>
</html>
<!DOCTYPE html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@page import="java.util.*"%>
<%@page import="tool.*" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>删除</title>
</head>
<body>
<h3>输入要删除的户主姓名：</h3>
<form action="删除.jsp" method="get">
<input type="text" name="name">
<input type="submit" value="确定删除"><br>
</form>
<%
String name=null;
userData pa=new userData();
operationMYSQL get=new operationMYSQL();
if(request.getParameter("name")!=null){
name=request.getParameter("name");
pa=get.getData(name);
out.println("户别："+pa.getHouse()+" 现住房面积："+pa.getHousesize()+" 现住房房间数："+pa.getHouseroom()+" 姓名："+pa.getName()+" 身份证号："+pa.getId()+" 性别："+pa.getSex()+" 民族："+pa.getNation()+" 受教育程度："+pa.getEdu());
%>
<script type="text/javascript">
window.alert(确定要删除);
</script>
<%
get.deleteData(name);
}
else{
%>
<script type="text/javascript">
window.alert(账号或密码为空);
</script>
<%
}
%><br>
<script type="text/javascript">
function myfuc3(){
window.location.href='人口普查系统.jsp';
}
</script>
<button onclick="myfuc3()">返回总页面</button>
</body>
</html>
<!DOCTYPE html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@page import="java.util.*"%>
<%@page import="tool.*" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>all</title>
</head>
<body>
<%
List<userData>date=new ArrayList<userData>();
operationMYSQL get=new operationMYSQL();
date=get.getAllData();
userData pa=new userData();
for(int i=0;i<=date.size();i++){
pa=date.get(i);
out.println("户别："+date.get(i).getHouse()+" 现住房面积："+date.get(i).getHousesize()+" 现住房房间数："+date.get(i).getHouseroom()+" 姓名："+date.get(i).getName()+" 身份证号："+date.get(i).getId()+" 性别："+date.get(i).getSex()+" 民族："+date.get(i).getNation()+" 受教育程度："+date.get(i).getEdu());
}
%>
<script type="text/javascript">
function myfuc3(){
window.location.href='人口普查系统.jsp';
}
</script>
<button onclick="myfuc3()">点击返回主页面</button>
</body>
</html>
<!DOCTYPE html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@page import="java.util.*"%>
<%@page import="tool.*" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>修改</title>
</head>
<body>
<h3>输入要修改的户主名：</h3>
<form action="执行修改.jsp" method="get">
<input type="text" name="name">
<input type="submit" value="确定删除"><br>
</form>
<%
String name=null;
userData pa=new userData();
operationMYSQL get=new operationMYSQL();
if(request.getParameter("name")!=null){
name=request.getParameter("name");
pa=get.getData(name);
if(pa!=null){
out.println("户别："+pa.getHouse()+" 现住房面积："+pa.getHousesize()+" 现住房房间数："+pa.getHouseroom()+" 姓名："+pa.getName()+" 身份证号："+pa.getId()+" 性别："+pa.getSex()+" 民族："+pa.getNation()+" 受教育程度："+pa.getEdu());
%><h3>输入要录入的学生信息；</h3>
<form action="登记.jsp" method="get">
户别：<input type="radio" name="house" value="家庭户">家庭户
<input type="radio" name="house" value="集体户">集体户<br>
现住房面积：<input type="number" name="housesize" min="0"><br>
现住房房间数：<input type="number" name="houseroom" min="0"><br>
姓名：<input type="text" name="name" ><br>
身份证：<input type="text" name="id"><br>
性别：<input type="radio" name="sex" value="male">Male
<input type="radio" name="sex" value="female">Female<br>
民族：<input type="text" name="nation" ><br>
受教育程度:<input list="edus" name="edu">
<datalist id="edus">
<option value="小学" >
<option value="初中" >
<option value="高中" >
<option value="大专" >
<option value="大学本科" >
<option value="硕士" >
<option value="博士" >
</datalist><br>
<input type="submit" value="确定">
</form>
<script type="text/javascript">
var cardId=/^[1-9][0-9]{5}(19|20)[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|31)|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}([0-9]|x|X)$/;
var aa = '<%=(String)request.getParameter("id")%>';
if(cardId.test(aa)){
console.log("正确")
}</script>
<%
get.update(pa);
}
}%>
<br>
<script type="text/javascript">
function myfuc3(){
window.location.href='人口普查系统.jsp';
}
</script>
<button onclick="myfuc3()">返回总页面</button>
</body>
</html>
<!DOCTYPE html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@page import="java.util.*"%>
<%@page import="tool.*" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>查询</title>
</head>
<body>
<%
String name=null;
userData pa=new userData();
operationMYSQL get=new operationMYSQL();
if(request.getParameter("name")!=null){
name=request.getParameter("name");
pa=get.getData(name);
out.println("户别："+pa.getHouse()+" 现住房面积："+pa.getHousesize()+" 现住房房间数："+pa.getHouseroom()+" 姓名："+pa.getName()+" 身份证号："+pa.getId()+" 性别："+pa.getSex()+" 民族："+pa.getNation()+" 受教育程度："+pa.getEdu());
%>
<script type="text/javascript">
window.alert(确定要删除);
</script>
<%
get.deleteData(name);
}
else{
%>
<script type="text/javascript">
window.alert(账号或密码为空);
</script>
<%
}
%><br>
<script type="text/javascript">
function myfuc3(){
window.location.href='人口普查系统.jsp';
}
</script>
<button onclick="myfuc3()">返回总页面</button>
</body>
</html>
<!DOCTYPE html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@page import="java.util.*"%>
<%@page import="tool.*" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>录入</title>
</head>
<body>
<h3>输入要录入的学生信息；</h3>
<form action="执行修改.jsp" method="get">
户别：<input type="radio" name="house" value="家庭户">家庭户
<input type="radio" name="house" value="集体户">集体户<br>
现住房面积：<input type="number" name="housesize" min="0"><br>
现住房房间数：<input type="number" name="houseroom" min="0"><br>
姓名：<input type="text" name="name" ><br>
身份证：<input type="text" name="id"><br>
性别：<input type="radio" name="sex" value="male">Male
<input type="radio" name="sex" value="female">Female<br>
民族：<input type="text" name="nation" ><br>
受教育程度:<input list="edus" name="edu">
<datalist id="edus">
<option value="小学" >
<option value="初中" >
<option value="高中" >
<option value="大专" >
<option value="大学本科" >
<option value="硕士" >
<option value="博士" >
</datalist><br>
<input type="submit" value="确定">
</form>
<script type="text/javascript">
var cardId=/^[1-9][0-9]{5}(19|20)[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|31)|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}([0-9]|x|X)$/;
var aa = '<%=(String)request.getParameter("id")%>';
if(cardId.test(aa)){
console.log("正确")
</script>
<%System.out.println(request.getParameter("house")+request.getParameter("housesize")+request.getParameter("houseroom")+request.getParameter("name")+request.getParameter("id")+request.getParameter("sex")+request.getParameter("nation")+request.getParameter("edu"));
userData save=new userData(request.getParameter("house"),request.getParameter("housesize"),request.getParameter("houseroom"),request.getParameter("name"),request.getParameter("id"),request.getParameter("sex"),request.getParameter("nation"),request.getParameter("edu"));
operationMYSQL add=new operationMYSQL();
add.update(save);
%>
<script type="text/javascript">
}else{
console.log("格式不正确")
}
</script>
<script type="text/javascript">
function myfuc3(){
window.location.href='人口普查系统.jsp';
}
</script>
<button onclick="myfuc3()">点击返回主页面</button>
</body>
</html>
标签：ps,String,rs,mysql,catch,人口普查,public 来源： https://www.cnblogs.com/L-L-ALICE/p/14158512.html