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13693261870

2022-09-29 0dd12f147e948e36505a1a4b76d12e36ff4ea74a

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package com.lf.server.helper;
 
import org.springframework.context.annotation.Configuration;
 
import javax.servlet.http.HttpServletRequest;
import java.sql.Timestamp;
import java.util.Calendar;
import java.util.Date;
import java.util.UUID;
 
/**
 * Web帮助类
 * @author WWW
 */
public class WebHelper {
    private final static String UNKNOWN = "unknown";
 
    private final static String COMMA = ",";
 
    public static String getGuid() {
        /**
         * 获取GUID
         */
        return UUID.randomUUID().toString();
    }
 
    /**
     * 获取用户ip
     *
     * @param request
     * @return
     */
    public static String getIpAddress(HttpServletRequest request) {
        String ip = request.getHeader("X-Forwarded-For");
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_FORWARDED_FOR");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_FORWARDED");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_CLUSTER_CLIENT_IP");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_CLIENT_IP");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_FORWARDED_FOR");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_FORWARDED");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_VIA");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("REMOTE_ADDR");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        if (ip.contains(COMMA)) {
            return ip.split(",")[0];
        }
 
        return ip;
    }
 
    /**
     * 获取当前时间的Timestamp
     */
    public static Timestamp getCurrentTimestamp() {
        return new Timestamp(System.currentTimeMillis());
    }
 
    /**
     * 获取当前时间指定分钟数后的Timestamp
     *
     * @param min 分钟数
     * @return
     */
    public static Timestamp getTimestamp(int min) {
        Calendar now = Calendar.getInstance();
        now.add(Calendar.MINUTE, min);
 
        return new Timestamp(now.getTimeInMillis());
    }
}