• 顶会热词统计


     

     

    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{
    
                     100%;
    
                    height: 100%;
    
                    margin: 0;
    
                }
    
                #main{
    
                     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

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  • 原文地址:https://www.cnblogs.com/2940500426yingxin/p/13094713.html
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