package com.lunwen.bean;

 

public class data {

    private String title;

    private String abs;

    private String link;

    public String getTitle() {

        return title;

    }

    public void setTitle(String title) {

        this.title = title;

    }

    public String getAbs() {

        return abs;

    }

    public void setAbs(String abs) {

        this.abs = abs;

    }

    public String getLink() {

        return link;

    }

    public void setLink(String link) {

        this.link = link;

 

Data.java

 

package com.lunwen.bean;

 

public class lunwen {

 

    private String abs;

    private String title;

 

    public String getTitle() {

        return title;

    }

 

    public void setTitle(String title) {

        this.title = title;

    }

 

    public String getAbs() {

        return abs;

    }

 

    public void setAbs(String abs) {

        this.abs = abs;

 

lunwen.java

 

package com.lunwen.bean;

 

public class word {

    private String name;

    private int value;

    public String getName() {

        return name;

    }

    public void setName(String name) {

        this.name = name;

    }

    public int getValue() {

        return value;

    }

    public void setValue(int value) {

        this.value = value;

    }

 

 

word.java

 

 

package com.lunwen.Dao;

import java.sql.Connection;

import java.sql.SQLException;

import java.util.ArrayList;

import java.util.List;

 

import com.lunwen.bean.data;

import com.lunwen.bean.lunwen;

import com.mysql.jdbc.PreparedStatement;

import com.mysql.jdbc.ResultSet;

import com.mysql.jdbc.Statement;

import com.lunwen.DBUtil.DBUtil;

import com.lunwen.bean.data;;

 

public class ShowDao {

    public List<lunwen> select(){

        Connection conn = DBUtil.getConn();

        List<lunwen> list = new ArrayList<lunwen>();

        try {

            String sql="select * from lunwen";

            Statement pstmt = (Statement) conn.createStatement();

            ResultSet rs = (ResultSet) pstmt.executeQuery(sql);

            while(rs.next()) {

                lunwen lunwen=new lunwen();

                lunwen.setTitle(rs.getString("title"));

                list.add(lunwen);

            }

            System.out.println("ShowDao Success!!");

            rs.close();

            pstmt.close();

            conn.close();

 

        }catch(SQLException e) {

            e.printStackTrace();

        }

        return list;

    }

    public List<data> select1(String name){

        Connection conn = DBUtil.getConn();

        List<data> list = new ArrayList<data>();

        try {

            String sql="select * from lunwen where title like '%"+name+"%'";

            Statement pstmt = (Statement) conn.createStatement();

            ResultSet rs = (ResultSet) pstmt.executeQuery(sql);

            while(rs.next()) {

                data data=new data();

                data.setTitle(rs.getString("title"));

                data.setLink(rs.getString("link"));

                System.out.println(data.getTitle()+":"+data.getLink());

                list.add(data);

            }

            System.out.println("ShowDao select1 Success!!");

            rs.close();

            pstmt.close();

            conn.close();

 

        }catch(SQLException e) {

            e.printStackTrace();

        }

        return list;

    }

}

 

 

DBUtils.java;连接数据库

package com.lunwen.DBUtil;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

 

public class DBUtil {

    

    public static String db_url = "jdbc:mysql://localhost:3306/lunwen?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true";

    public static String db_user = "root";

    public static String db_pass = "101032";

    

    public static Connection getConn () {

        Connection conn = null;

        

        

        try {

                        Class.forName("com.mysql.jdbc.Driver");

            

            conn = DriverManager.getConnection(db_url, db_user, db_pass);

            

            

        } catch (Exception e) {

            e.printStackTrace();

        }

        

        return conn;

    }

    public static void main(String[] args) {

        getConn();

    }

    

    /**

     * @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();

            }

        }

    }

 

}

 

 

showDao.java

 

 

DBUtils.java;连接数据库

package com.lunwen.DBUtil;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

 

public class DBUtil {

    

    public static String db_url = "jdbc:mysql://localhost:3306/lunwen?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true";

    public static String db_user = "root";

    public static String db_pass = "101032";

    

    public static Connection getConn () {

        Connection conn = null;

        

        

        try {

                        Class.forName("com.mysql.jdbc.Driver");

            

            conn = DriverManager.getConnection(db_url, db_user, db_pass);

            

            

        } catch (Exception e) {

            e.printStackTrace();

        }

        

        return conn;

    }

    public static void main(String[] args) {

        getConn();

    }

    

    /**

     * @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();

            }

        }

    }

 

}

 

DBUtils.java

 

 

 

package com.lunwen.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 com.lunwen.bean.data;

import com.lunwen.Dao.*;

 

/**

 * Servlet implementation class ClickServlet

 */

@WebServlet("/ClickServlet")

public class ClickServlet extends HttpServlet {

    private static final long serialVersionUID = 1L;

       

    /**

     * @see HttpServlet#HttpServlet()

     */

    public ClickServlet() {

        super();

        // TODO Auto-generated constructor stub

    }

 

    /**

     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)

     */

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        request.setCharacterEncoding("utf-8");

        response.setContentType("text/html;charset=utf-8");

        request.setCharacterEncoding("UTF-8");

        String name=request.getParameter("name");

        System.out.println(name+"123456");

        ShowDao sd = new ShowDao();

        List<data> list2 = sd.select1(name);

        request.setAttribute("list2", list2);

        request.getRequestDispatcher("ciyun.jsp").forward(request, response);

    }

 

    /**

     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)

     */

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        // TODO Auto-generated method stub

        doGet(request, response);

    }

 

}

 

 

ClickServlet.javapackage com.lunwen.Servlet;

 

import java.io.IOException;

 

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 com.lunwen.bean.*;

import com.lunwen.Dao.*;

import com.google.gson.Gson;

import com.lunwen.DBUtil.*;

import java.nio.file.NoSuchFileException;

import java.util.*;

import java.util.Map.Entry;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import com.lunwen.bean.*;

 

/**

 * Servlet implementation class ShowServlet

 */

@WebServlet("/ShowServlet")

public class ShowServlet extends HttpServlet {

    private static final long serialVersionUID = 1L;

       

    /**

     * @see HttpServlet#HttpServlet()

     */

    public ShowServlet() {

        super();

        // TODO Auto-generated constructor stub

    }

 

 

    /**

     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)

     */

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        request.setCharacterEncoding("utf-8");

        response.setContentType("text/html;charset=utf-8");

        ShowDao sd = new ShowDao();

        List<lunwen> list = sd.select();

        int n = 0;

        int[] array = new int[10000000];

        String[] sarray = new String[10000000];

        StringBuffer sb = new StringBuffer();

        HashMap<String, Integer> has = new

        int r=0;

        for(lunwen l : list) {

//            System.out.println(l.getAbs());

            n++;

            

            Pattern

 

            Matcher m=p.matcher(l.getTitle());

 

            String first=m.replaceAll(" ");

 

 

            p=Pattern.compile(" {2,}");

 

            m=p.matcher(first);

 

            String second=m.replaceAll(" ");

 

//            System.out.println(second);

            for(int i=0; i<sList.length; i++){

            if(!has.containsKey(sList[i])){            has.put(sList[i], 1);

            }else{            has.put(sList[i], has.get(sList[i])+1);

            }

            }

            

        

    }

    

        for(Entry<String, Integer> entry:has.entrySet()){

            sarray[r] = entry.getKey();

            array[r] = entry.getValue();

            r++;

//        System.out.println(entry.getKey()+":"+entry.getValue());    

    }

        int p;

        int[] y=new int[50];

        int[] array1 = new int[10000000];

        for(int c=0;c<array.length;c++)

        {array1[c]=array[c];

//        System.out.println(array[c]+" "+sarray[c]);

        }

        for(int t=0;t<y.length;t++) {

            int max=0;

        for(p=0;p<array1.length;p++){

            if(array1[p]>max){

                max=array1[p];

                y[t]=p;

            }

            array1[y[t]]=0;

        }

        }

        List<word> list1 = new ArrayList<word>();

        for(int t=0;t<y.length;t++) {

            word word=new word();

            word.setName(sarray[y[t]]);

            word.setValue(array[y[t]]);

            list1.add(word);

//        System.out.println(array[y[t]]+" "+sarray[y[t]]);

        }

        System.out.println(n);        

//        request.setAttribute("list1", list1);

        Gson gson = new Gson();

        String json = gson.toJson(list1);

        response.getWriter().write(json);

//        request.getRequestDispatcher("ciyun.jsp").forward(request, response);

        }

        

       

    /**

     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)

     */

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        // TODO Auto-generated method stub

        doGet(request, response);

    }

 

}

 

 

showServlet.java

 

page language="java" contentType="text/html; charset=UTF-8"

    pageEncoding="UTF-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>主界面</title>

</head>

<body>

<div align="center">

<h2>管理界面</h2>

<a href="ShowServlet">查看热词</a>

 

 

</div>

</body>

</html>

 

c.jsp

 

 

@ page language="java" contentType="text/html; charset=UTF-8"

    pageEncoding="UTF-8"%>

 

<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>

 

<%request.setCharacterEncoding("utf-8");

response.setCharacterEncoding("utf-8");%>

    <%

    

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

    <head>

        <meta charset="utf-8">

            <base href="<%=basePath%>">

        <!--//    echarts CDN-->

        <script src='https://cdn.bootcss.com/echarts/3.7.0/echarts.simple.js'></script>

        <!--//    下载wordcloud.js文件

        //    https://github.com/ecomfe/echarts-wordcloud-->

        <script src="${pageContext.request.contextPath}/plug-ins/js/echarts-wordcloud.js"></script>

        <script src="${pageContext.request.contextPath}/plug-ins/js/jquery-1.10.2.min.js"></script>

    </head>

    <body>

        <style>

            html, body{

                width: 100%;

                height: 100%;

                margin: 0;

            }

            #main{

                width: 600px;

                height: 500px;

                background: rgba(70, 120, 200, 0.2)

            }

        </style>

        <div id='main'></div>

        <script>

        var chart = echarts.init(document.getElementById('main'));

        var postURL = "/lunwen/ShowServlet";

        var mydata = new Array();

        $.ajaxSettings.async = false;

        $.post(postURL, {}, function(rs) {

            var dataList = JSON.parse(rs);

            for (var i = 0; i < dataList.length; i++) {

                var d = {};

                d['name'] = dataList[i].name;

                d['value'] = dataList[i].value;

                mydata.push(d);

            }

        });

        $.ajaxSettings.async = true;

        var option = {

            tooltip : {},

            series : [ {

                type : 'wordCloud',

                gridSize : 2,

                sizeRange : [ 20, 50 ],

                rotationRange : [ -90, 90 ],

                shape : 'pentagon',

                width : 800,

                height : 600,

                drawOutOfBound : false,

                textStyle : {

                    normal : {

                        color : function() {

                            return 'rgb('

                                    + [ Math.round(Math.random() * 160),

                                            Math.round(Math.random() * 160),

                                            Math.round(Math.random() * 160) ]

                                            .join(',') + ')';

                        }

                    },

                    emphasis : {

                        shadowBlur : 10,

                        shadowColor : '#333'

                    }

                },

                data : mydata

            } ]

        };

        chart.setOption(option);

        chart.on('click', function(params) {

            var url = "ClickServlet?name=" + params.name;

            window.location.href = url;

        });

 

            

        </script>

        <div>

        <table class="table table-hover">

            <thead>

                <tr>

                    <td style="font-size: 20px;">论文链接</td>

                </tr>

            </thead>

            <tbody>

                <c:forEach items="${list2}" var="data" varStatus="vs">

                    <tr>

                        <td><a href="${data.link}">${data.title}</a></td>

                    </tr>

                </c:forEach>

            </tbody>

        </table>

    </div>

        

    </body>

</html>

 

 

ciyun.jsp

posted on 2020-06-11 17:39  迎新  阅读(98)  评论(0编辑  收藏  举报