本周总结:本周主要对项目进行准备工作:立项、建立文档、建表、项目需求、分工等,在学习的过程中学习了一个功能,来分享一下
本文是自己总结文档和github源码,绝无抄袭,我先打个水印哈
本文是看了Ruoyi-vue的github开源项目有所总结Ruoyi文档描述
集成ip2region实现离线IP地址定位,为啥是实现离线IP地址定位,因为在线的IP定位会给网络带来资源消耗,离线的话,我们只需要访问内部的一个文件即可
<!-- 离线IP地址定位库 -->
<dependency>
<groupId>org.lionsoul</groupId>
<artifactId>ip2region</artifactId>
<version>1.7.2</version>
</dependency>
RegionUtil.java
不用理会水印import java.io.File;
import java.io.InputStream;
import java.lang.reflect.Method;
import org.apache.commons.io.FileUtils;
import org.lionsoul.ip2region.DataBlock;
import org.lionsoul.ip2region.DbConfig;
import org.lionsoul.ip2region.DbSearcher;
import org.lionsoul.ip2region.Util;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.ClassPathResource;
/**
* 根据ip离线查询地址
*
* @author ruoyi
*/
public class RegionUtil
{
private static final Logger log = LoggerFactory.getLogger(RegionUtil.class);
private static final String JAVA_TEMP_DIR = "java.io.tmpdir";
static DbConfig config = null;
static DbSearcher searcher = null;
/**
* 初始化IP库
*/
static
{
try
{
// 因为jar无法读取文件,复制创建临时文件
String dbPath = RegionUtil.class.getResource("/ip2region/ip2region.db").getPath();
File file = new File(dbPath);
if (!file.exists())
{
String tmpDir = System.getProperties().getProperty(JAVA_TEMP_DIR);
dbPath = tmpDir + "ip2region.db";
file = new File(dbPath);
ClassPathResource cpr = new ClassPathResource("ip2region" + File.separator + "ip2region.db");
InputStream resourceAsStream = cpr.getInputStream();
if (resourceAsStream != null)
{
FileUtils.copyInputStreamToFile(resourceAsStream, file);
}
}
config = new DbConfig();
searcher = new DbSearcher(config, dbPath);
log.info("bean [{}]", config);
log.info("bean [{}]", searcher);
}
catch (Exception e)
{
log.error("init ip region error:{}", e);
}
}
/**
* 解析IP
*
* @param ip
* @return
*/
public static String getRegion(String ip)
{
try
{
// db
if (searcher == null || StringUtils.isEmpty(ip))
{
log.error("DbSearcher is null");
return StringUtils.EMPTY;
}
long startTime = System.currentTimeMillis();
// 查询算法
int algorithm = DbSearcher.MEMORY_ALGORITYM;
Method method = null;
switch (algorithm)
{
case DbSearcher.BTREE_ALGORITHM:
method = searcher.getClass().getMethod("btreeSearch", String.class);
break;
case DbSearcher.BINARY_ALGORITHM:
method = searcher.getClass().getMethod("binarySearch", String.class);
break;
case DbSearcher.MEMORY_ALGORITYM:
method = searcher.getClass().getMethod("memorySearch", String.class);
break;
}
DataBlock dataBlock = null;
if (Util.isIpAddress(ip) == false)
{
log.warn("warning: Invalid ip address");
}
dataBlock = (DataBlock) method.invoke(searcher, ip);
String result = dataBlock.getRegion();
long endTime = System.currentTimeMillis();
log.debug("region use time[{}] result[{}]", endTime - startTime, result);
return result;
}
catch (Exception e)
{
log.error("error:{}", e);
}
return StringUtils.EMPTY;
}
}
AddressUtils.java
,不用理会水印
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* 获取地址类
*
* @author ruoyi
*/
public class AddressUtils
{
private static final Logger log = LoggerFactory.getLogger(AddressUtils.class);
// 未知地址
public static final String UNKNOWN = "XX XX";
public static String getRealAddressByIP(String ip)
{
String address = UNKNOWN;
// 内网不查询
if (IpUtils.internalIp(ip))
{
return "内网IP";
}else {
try
{
String rspStr = RegionUtil.getRegion(ip);
if (StringUtils.isEmpty(rspStr))
{
log.error("获取地理位置异常 {}", ip);
return UNKNOWN;
}
String[] obj = rspStr.split("\\|");
String region = obj[2];
String city = obj[3];
return String.format("%s %s", region, city);
}
catch (Exception e)
{
log.error("获取地理位置异常 {}", e);
}
}
return address;
}
}
import org.apache.commons.lang3.StringUtils;
import javax.servlet.http.HttpServletRequest;
import java.net.InetAddress;
import java.net.UnknownHostException;
/**
* 获取IP方法
*
* @author ruoyi
*/
public class IpUtils
{
/**
* 获取客户端IP
*
* @param request 请求对象
* @return IP地址
*/
public static String getIpAddr(HttpServletRequest request)
{
if (request == null)
{
return "unknown";
}
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("X-Forwarded-For");
}
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("X-Real-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
{
ip = request.getRemoteAddr();
}
return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : getMultistageReverseProxyIp(ip);
}
/**
* 检查是否为内部IP地址
*
* @param ip IP地址
* @return 结果
*/
public static boolean internalIp(String ip)
{
byte[] addr = textToNumericFormatV4(ip);
return internalIp(addr) || "127.0.0.1".equals(ip);
}
/**
* 检查是否为内部IP地址
*
* @param addr byte地址
* @return 结果
*/
private static boolean internalIp(byte[] addr)
{
if (isNull(addr) || addr.length < 2)
{
return true;
}
final byte b0 = addr[0];
final byte b1 = addr[1];
// 10.x.x.x/8
final byte SECTION_1 = 0x0A;
// 172.16.x.x/12
final byte SECTION_2 = (byte) 0xAC;
final byte SECTION_3 = (byte) 0x10;
final byte SECTION_4 = (byte) 0x1F;
// 192.168.x.x/16
final byte SECTION_5 = (byte) 0xC0;
final byte SECTION_6 = (byte) 0xA8;
switch (b0)
{
case SECTION_1:
return true;
case SECTION_2:
if (b1 >= SECTION_3 && b1 <= SECTION_4)
{
return true;
}
case SECTION_5:
switch (b1)
{
case SECTION_6:
return true;
}
default:
return false;
}
}
/**
* 将IPv4地址转换成字节
*
* @param text IPv4地址
* @return byte 字节
*/
public static byte[] textToNumericFormatV4(String text)
{
if (text.length() == 0)
{
return null;
}
byte[] bytes = new byte[4];
String[] elements = text.split("\\.", -1);
try
{
long l;
int i;
switch (elements.length)
{
case 1:
l = Long.parseLong(elements[0]);
if ((l < 0L) || (l > 4294967295L))
{
return null;
}
bytes[0] = (byte) (int) (l >> 24 & 0xFF);
bytes[1] = (byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF);
bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
bytes[3] = (byte) (int) (l & 0xFF);
break;
case 2:
l = Integer.parseInt(elements[0]);
if ((l < 0L) || (l > 255L))
{
return null;
}
bytes[0] = (byte) (int) (l & 0xFF);
l = Integer.parseInt(elements[1]);
if ((l < 0L) || (l > 16777215L))
{
return null;
}
bytes[1] = (byte) (int) (l >> 16 & 0xFF);
bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
bytes[3] = (byte) (int) (l & 0xFF);
break;
case 3:
for (i = 0; i < 2; ++i)
{
l = Integer.parseInt(elements[i]);
if ((l < 0L) || (l > 255L))
{
return null;
}
bytes[i] = (byte) (int) (l & 0xFF);
}
l = Integer.parseInt(elements[2]);
if ((l < 0L) || (l > 65535L))
{
return null;
}
bytes[2] = (byte) (int) (l >> 8 & 0xFF);
bytes[3] = (byte) (int) (l & 0xFF);
break;
case 4:
for (i = 0; i < 4; ++i)
{
l = Integer.parseInt(elements[i]);
if ((l < 0L) || (l > 255L))
{
return null;
}
bytes[i] = (byte) (int) (l & 0xFF);
}
break;
default:
return null;
}
}
catch (NumberFormatException e)
{
return null;
}
return bytes;
}
/**
* 获取IP地址
*
* @return 本地IP地址
*/
public static String getHostIp()
{
try
{
return InetAddress.getLocalHost().getHostAddress();
}
catch (UnknownHostException e)
{
}
return "127.0.0.1";
}
/**
* 获取主机名
*
* @return 本地主机名
*/
public static String getHostName()
{
try
{
return InetAddress.getLocalHost().getHostName();
}
catch (UnknownHostException e)
{
}
return "未知";
}
/**
* 从多级反向代理中获得第一个非unknown IP地址
*
* @param ip 获得的IP地址
* @return 第一个非unknown IP地址
*/
public static String getMultistageReverseProxyIp(String ip)
{
// 多级反向代理检测
if (ip != null && ip.indexOf(",") > 0)
{
final String[] ips = ip.trim().split(",");
for (String subIp : ips)
{
if (false == isUnknown(subIp))
{
ip = subIp;
break;
}
}
}
return ip;
}
/**
* 检测给定字符串是否为未知,多用于检测HTTP请求相关
*
* @param checkString 被检测的字符串
* @return 是否未知
*/
public static boolean isUnknown(String checkString)
{
return StringUtils.isBlank(checkString) || "unknown".equalsIgnoreCase(checkString);
}
public static boolean isNull(Object object)
{
return object == null;
}
}
第五步 添加离线IP地址库插件,
第六步 测试