Javaを使用してCMSシステムの訪問者統計機能を実装する方法

import javax.servlet.http.HttpServletRequest;

// 获取访客IP地址
public String getIpAddress(HttpServletRequest request) {
    String ipAddress = request.getHeader("x-forwarded-for");
    if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
        ipAddress = request.getHeader("Proxy-Client-IP");
    }
    if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
        ipAddress = request.getHeader("WL-Proxy-Client-IP");
    }
    if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
        ipAddress = request.getRemoteAddr();
    }
    return ipAddress;
}

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

// 记录访问信息
public void recordVisitor(String ip, String time, String page) {
    Connection conn = null;
    PreparedStatement stmt = null;
    try {
        Class.forName("com.mysql.jdbc.Driver");
        conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/cms", "root", "password");
        String sql = "INSERT INTO visitor_stats (ip, time, page) VALUES (?, ?, ?)";
        stmt = conn.prepareStatement(sql);
        stmt.setString(1, ip);
        stmt.setString(2, time);
        stmt.setString(3, page);
        stmt.executeUpdate();
    } catch (ClassNotFoundException | SQLException e) {
        e.printStackTrace();
    } finally {
        try {
            if (stmt != null) stmt.close();
            if (conn != null) conn.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

import javax.servlet.http.HttpServletRequest;

// 获取访问页面
public String getPage(HttpServletRequest request) {
    String page = request.getRequestURL().toString();
    return page;
}

import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.IOException;

// 判断访客地理位置
public String getLocation(String ip) {
    String url = "https://api.map.baidu.com/location/ip?ak=your_ak&ip=" + ip;
    String location = "";
    CloseableHttpClient httpClient = null;
    try {
        httpClient = HttpClients.createDefault();
        HttpGet httpGet = new HttpGet(url);
        String result = EntityUtils.toString(httpClient.execute(httpGet).getEntity());
        // 解析结果并获取地理位置信息
        // ...
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (httpClient != null) httpClient.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return location;
}