Comment utiliser Java pour développer la fonction d'analyse du comportement des utilisateurs du système CMS

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
public class PageCount {
    public void countPage(HttpServletRequest request, HttpServletResponse response) {
        // 获取之前设置的Cookie
        Cookie[] cookies = request.getCookies();
 
        // 判断是否存在名为"pageCount"的Cookie
        boolean isExist = false;
        if (cookies != null) {
            for (Cookie cookie : cookies) {
                if (cookie.getName().equals("pageCount")) {
                    isExist = true;
                    // 获取并增加访问次数
                    int count = Integer.parseInt(cookie.getValue());
                    count++;
                    cookie.setValue(String.valueOf(count));
                    response.addCookie(cookie);
                    break;
                }
            }
        }
 
        // 如果不存在"pageCount"的Cookie，则新建一个
        if (!isExist) {
            Cookie cookie = new Cookie("pageCount", "1");
            cookie.setMaxAge(60 * 60 * 24 * 30); // 设置Cookie的有效期为30天
            response.addCookie(cookie);
        }
    }
}

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
 
public class LogWriter {
    public void writeLog(String log) {
        BufferedWriter writer = null;
        try {
            writer = new BufferedWriter(new FileWriter("access.log", true));
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            String timestamp = sdf.format(new Date());
            writer.write(timestamp + " " + log);
            writer.newLine();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (writer != null) {
                try {
                    writer.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
 
public class DataProcessor {
    public void saveData(String page, String userAgent) {
        Connection conn = null;
        PreparedStatement pstmt = null;
        try {
            Class.forName("com.mysql.jdbc.Driver");
            conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydb", "root", "password");
            String sql = "INSERT INTO user_behavior (page, user_agent) VALUES (?, ?)";
            pstmt = conn.prepareStatement(sql);
            pstmt.setString(1, page);
            pstmt.setString(2, userAgent);
            pstmt.executeUpdate();
        } catch (ClassNotFoundException | SQLException e) {
            e.printStackTrace();
        } finally {
            if (pstmt != null) {
                try {
                    pstmt.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
            if (conn != null) {
                try {
                    conn.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.client.indices.CreateIndexRequest;
import org.elasticsearch.client.indices.GetIndexRequest;
import org.elasticsearch.client.indices.GetIndexResponse;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.builder.SearchSourceBuilder;
 
public class LogAnalyzer {
    private RestHighLevelClient client;
 
    public void analyzeLog() {
        // 建立与Elasticsearch的连接
        client = new RestHighLevelClient(RestClient.builder(new HttpHost("localhost", 9200, "http")));
 
        // 创建索引
        CreateIndexRequest request = new CreateIndexRequest("user_behavior");
        // 配置索引的mapping和settings等
        // ...
        try {
            client.indices().create(request, RequestOptions.DEFAULT);
        } catch (IOException e) {
            e.printStackTrace();
        }
 
        // 查询索引
        GetIndexRequest getIndexRequest = new GetIndexRequest("user_behavior");
        GetIndexResponse getIndexResponse;
        try {
            getIndexResponse = client.indices().get(getIndexRequest, RequestOptions.DEFAULT);
            if (getIndexResponse.getIndices().length > 0) {
                // 构建查询条件
                SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();
                sourceBuilder.query(QueryBuilders.termQuery("page", "/home"));
 
                // 查询索引中的数据
                // ...
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
 
        // 关闭连接
        try {
            client.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
 
public class UserBehaviorAnalyzer {
    public void analyzeUserBehavior() {
        Connection conn = null;
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        try {
            Class.forName("com.mysql.jdbc.Driver");
            conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydb", "root", "password");
            String sql = "SELECT page, COUNT(*) AS count FROM user_behavior GROUP BY page";
            pstmt = conn.prepareStatement(sql);
            rs = pstmt.executeQuery();
            while (rs.next()) {
                String page = rs.getString("page");
                int count = rs.getInt("count");
                System.out.println(page + ": " + count);
            }
        } catch (ClassNotFoundException | SQLException e) {
            e.printStackTrace();
        } finally {
            if (rs != null) {
                try {
                    rs.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
            if (pstmt != null) {
                try {
                    pstmt.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
            if (conn != null) {
                try {
                    conn.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}