科技政策查询系统
index.jsp
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<p class="biaoti"> 科技政策查询系统</p>
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layouts.html
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script th:src="@{/layuimini/js/lay-module/echarts/echarts.js}"></script>
<script th:src="@{/layuimini/js/lay-module/echarts/wordcloud.js}"></script>
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<body>
<div style="width:100%;height:65px;float:left; position:relative; display: table-cell;vertical-align: middle; color: rgb(128, 0, 0); font-family: consolas, "Source Code Pro", monaco, monospace !important; font-size: 16px !important;">">
<form class="layui-form"action="table1.jsp" method="post" target="hideIframe1" >
<p> </p>
<div class="layui-form-item">
<div class="layui-inline">
<label class="layui-form-label">
政策名称：
</label>
<div class="layui-input-inline">
<input type="text" name="name" class="layui-input">
</div>
</div>
<div class="layui-inline">
<label class="layui-form-label">
政策文号：
</label>
<div class="layui-input-inline">
<input type="text" name="document" class="layui-input">
</div>
</div>
<div class="layui-inline">
<label class="layui-form-label">
发文机构：
</label>
<div class="layui-input-inline">
<input type="text" name="organ" class="layui-input">
</div>
</div>
<div class="layui-inline">
<div class="layui-input-inline">
<button type="submit" class="layui-btn" lay-submit lay-filter="demo1"style=" color: rgb(128, 0, 0); font-family: consolas, "Source Code Pro", monaco, monospace !important; font-size: 16px !important;">">查询</button>
</div>
</div>
</div>
</form>
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table1.jsp
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Created by IntelliJ IDEA.
User: 榕宝
Date: 2022/10/25
Time: 15:14
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--%>
<%@ page import="Bean.bean" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ page import="java.util.List" %>
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script th:src="@{/layuimini/js/lay-module/echarts/echarts.js}"></script>
<script th:src="@{/layuimini/js/lay-module/echarts/wordcloud.js}"></script>
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<script src="https://www.layuicdn.com/layui/layui.js"></script>
</head>
<jsp:useBean id="util" class="Dao.dao"/>
<%
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
response.setContentType("text/html;charset=utf-8");
String name=request.getParameter("name");
String document=request.getParameter("document");
String organ=request.getParameter("organ");
%>
<%if (name == null||document==null||organ==null){
List<bean> list = util.searchAll();
%>
<table class="layui-table"style="table-layout: fixed;word-wrap:break-word;" >
<thead>
<tr>
<td style="width: 300px">政策名称</td>
<td style="width: 150px">发文机构</td>
<td style="width: 70px">颁布日期</td>
<td style="width: 80px">政策分类</td>
<td style="width: 100px">操作</td>
</tr>
</thead>
<tbody>
<%for (bean b : list) {%>
<tr>
<td style="width: 300px"><%=b.getName()%></td>
<td style="width: 150px"><%=b.getOrgan()%></td>
<td style="width: 70px"><%=b.getPubdata()%></td>
<td style="width: 80px"><%=b.getType()%></td>
<td style="width: 100px"><a href="xiangqing.jsp?id=<%=b.getId()%>"><button type="submit" class="layui-btn"style=" color: rgb(128, 0, 0); font-family: consolas, "Source Code Pro", monaco, monospace !important; font-size: 16px !important;">" >查看详情</button></a> </td>
</tr>
<%} %>
</tbody>
</table>
<%}else{
List<bean> list = util.search(name,document,organ);
%>
<div class="container3" id="container3">
<table class="layui-table"style="table-layout: fixed;word-wrap:break-word;" >
<thead>
<tr>
<td style="width: 200px">政策名称</td>
<td style="width: 150px">发文机构</td>
<td style="width: 100px">颁布日期</td>
<td style="width: 150px">政策分类</td>
<td style="width: 100px">操作</td>
</tr>
</thead>
<tbody>
<%for (bean b : list) {%>
<tr>
<td style="width: 200px"><%=b.getName()%></td>
<td style="width: 150px"><%=b.getOrgan()%></td>
<td style="width: 100px"><%=b.getPubdata()%></td>
<td style="width: 150px"><%=b.getType()%></td>
<td style="width: 100px"><a href="xiangqing.jsp?id=<%=b.getId()%>"><button type="submit" class="layui-btn"style=" color: rgb(128, 0, 0); font-family: consolas, "Source Code Pro", monaco, monospace !important; font-size: 16px !important;">">查看详情</button></a> </td>
</tr>
<%} %>
<p><a href="javascript:history.go(-1);"><button class="layui-btn"style=" color: rgb(128, 0, 0); font-family: consolas, "Source Code Pro", monaco, monospace !important; font-size: 16px !important;">">返回</button></a> </p>
</tbody>
</table>
</div>
<%}%>
</html>
Dao.dao.java
package Dao;
import Bean.Menu;
import Bean.bean;
import Bean.policy;
import DBUtil.dbutil;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import java.io.Reader;
import java.sql.*;
import java.util.ArrayList;
import java.util.List;
public class dao {
public List<bean> searchAll( ){
List<bean> list = new ArrayList<bean>();
try {
Connection conn = dbutil.getConn();
Statement state = null;
String sql="select * from policy";
PreparedStatement pstmt = conn.prepareStatement(sql);
ResultSet rs = pstmt.executeQuery();
System.out.println("搜索全部政策");
while(rs.next()){
bean lu = new bean();
lu.setId(rs.getString("id"));
lu.setType(rs.getString("type"));
lu.setOrgan(rs.getString("organ"));
lu.setPubdata(rs.getString("pubdata"));
lu.setName(rs.getString("name"));
list.add(lu);
}
rs.close();
pstmt.close();
conn.close();
}catch(SQLException e) {
System.out.println("发生错误");
e.printStackTrace();
}
return list;
}
public List<bean> search(String name,String document,String organ){
List<bean> list = new ArrayList<bean>();
try {
Connection conn = dbutil.getConn();
Statement state = null;
String sql = "select * from policy where name REGEXP '"+name+"' and document REGEXP '"+document+"' and organ REGEXP '"+organ+"'";
PreparedStatement pstmt = conn.prepareStatement(sql);
ResultSet rs = pstmt.executeQuery();
System.out.println("多项条件搜索运行中");
while(rs.next()){
bean lu = new bean();
lu.setId(rs.getString("id"));
lu.setType(rs.getString("type"));
lu.setOrgan(rs.getString("organ"));
lu.setPubdata(rs.getString("pubdata"));
lu.setName(rs.getString("name"));
list.add(lu);
}
rs.close();
pstmt.close();
conn.close();
}catch(SQLException e) {
System.out.println("发生错误");
e.printStackTrace();
}
return list;
}
public static bean getOne(String id){
bean lu = new bean();
try {
Connection conn = dbutil.getConn();
Statement state = null;
String sql="select * from policy where id=?";
PreparedStatement pstmt = conn.prepareStatement(sql);
pstmt.setString(1,id);
ResultSet rs = pstmt.executeQuery();
while(rs.next()){
lu.setId(rs.getString("id"));
lu.setType(rs.getString("type"));
lu.setCategory(rs.getString("category"));
lu.setOrgan(rs.getString("organ"));
lu.setPubdata(rs.getString("pubdata"));
lu.setName(rs.getString("name"));
lu.setDocument(rs.getString("document"));
lu.setRange(rs.getString("range"));
lu.setPerdata(rs.getString("perdata"));
lu.setViadata(rs.getString("viadata"));
lu.setText(rs.getString("text"));
}
rs.close();
pstmt.close();
conn.close();
}
catch(SQLException e) {
e.printStackTrace();
}
return lu;
}
}
Bean.bean.java
package Bean;
public class bean {
private String id;
private String name;//
private String type;//
private String category;
private String range;
private String document;
private String organ;//
private String viadata;
private String pubdata;//
private String perdata;
Menu menu;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getCategory() {
return category;
}
public void setCategory(String category) {
this.category = category;
}
public String getRange() {
return range;
}
public void setRange(String range) {
this.range = range;
}
public String getDocument() {
return document;
}
public void setDocument(String document) {
this.document = document;
}
public String getOrgan() {
return organ;
}
public void setOrgan(String organ) {
this.organ = organ;
}
public String getViadata() {
return viadata;
}
public void setViadata(String viadata) {
this.viadata = viadata;
}
public String getPubdata() {
return pubdata;
}
public void setPubdata(String pubdata) {
this.pubdata = pubdata;
}
public String getPerdata() {
return perdata;
}
public void setPerdata(String perdata) {
this.perdata = perdata;
}
}
Bean.Menu.java
package Bean;
import java.util.List;
public class Menu {
private Integer id;
private String type;
private List<Menu> bean;
public Menu(Integer id,Integer pid,String type)
{
this.id =id;
this.type= type;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
@Override
public String toString() {
return "Menu{" +
"id=" + id +
", type='" + type + '\'' +
", bean=" + bean +
'}';
}
public List<Menu> getBean(){
return bean;
}
public void setBean(List<Menu> bean) {
this.bean = bean;
}
}
DBUtil.dbutil.java
package DBUtil;
import java.sql.*;
public class dbutil {
static final String JDBC_DRIVER = "com.mysql.cj.jdbc.Driver"; //数据库驱动名
static final String url = "jdbc:mysql://localhost:3306/policy";//数据库地址
static final String user = "root";
static final String password = "123456";
//连接数据库
public static Connection getConn () {
Connection conn = null;
try {
Class.forName("com.mysql.cj.jdbc.Driver");//加载驱动
conn = DriverManager.getConnection(url, user, password);
} catch (Exception e) {
e.printStackTrace();
}
return conn;
}
//关闭连接
public static void close (PreparedStatement preparedState, Connection conn) {
if (preparedState != null) {
try {
preparedState.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
public static void close (ResultSet rs, PreparedStatement preparedState, Connection conn) {
if (rs != null) {
try {
rs.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
if (preparedState != null) {
try {
preparedState.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
/**
* 关闭连接
* @param state
* @param conn
*/
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();
}
}
}
//测试是否连接成功
public static void main(String[] args) throws SQLException {
Connection conn = getConn();
PreparedStatement preparedStatement = null;
ResultSet rs = null;
String sql ="select * from policy limit 10";//数据库名称
preparedStatement = conn.prepareStatement(sql);
rs = preparedStatement.executeQuery();
if(rs.next()){
System.out.println("数据库不为空");
}
else{
System.out.println("数据库为空");
}
}
}
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