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update 优化 直接从ClassPath加载ip2region数据库文件

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秋辞未寒 2025-04-29 19:01:45 +08:00
parent 6d44069364
commit 5e51077347
1 changed files with 14 additions and 30 deletions
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44
ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/ip/RegionUtils.java
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@ -1,15 +1,12 @@
package org.dromara.common.core.utils.ip; package org.dromara.common.core.utils.ip;
import cn.hutool.core.io.FileUtil; import cn.hutool.core.io.resource.NoResourceException;
import cn.hutool.core.io.resource.ClassPathResource; import cn.hutool.core.io.resource.ResourceUtil;
import cn.hutool.core.util.ObjectUtil;
import org.dromara.common.core.exception.ServiceException;
import org.dromara.common.core.utils.file.FileUtils;
import lombok.extern.slf4j.Slf4j; import lombok.extern.slf4j.Slf4j;
import org.dromara.common.core.exception.ServiceException;
import org.dromara.common.core.utils.StringUtils;
import org.lionsoul.ip2region.xdb.Searcher; import org.lionsoul.ip2region.xdb.Searcher;
import java.io.File;
/** /**
* 根据ip地址定位工具类，离线方式 * 根据ip地址定位工具类，离线方式
* 参考地址：<a href="https://gitee.com/lionsoul/ip2region/tree/master/binding/java">集成 ip2region 实现离线IP地址定位库</a> * 参考地址：<a href="https://gitee.com/lionsoul/ip2region/tree/master/binding/java">集成 ip2region 实现离线IP地址定位库</a>
@ -19,31 +16,19 @@ import java.io.File;
@Slf4j @Slf4j
public class RegionUtils { public class RegionUtils {
// IP地址库文件名称
public static final String IP_XDB_FILENAME = "ip2region.xdb";
private static final Searcher SEARCHER; private static final Searcher SEARCHER;
static { static {
String fileName = "/ip2region.xdb";
File existFile = FileUtils.file(FileUtil.getTmpDir() + FileUtil.FILE_SEPARATOR + fileName);
if (!FileUtils.exist(existFile)) {
ClassPathResource fileStream = new ClassPathResource(fileName);
if (ObjectUtil.isEmpty(fileStream.getStream())) {
throw new ServiceException("RegionUtils初始化失败，原因：IP地址库数据不存在！");
}
FileUtils.writeFromStream(fileStream.getStream(), existFile);
}
String dbPath = existFile.getPath();
// 1、从 dbPath 加载整个 xdb 到内存。
byte[] cBuff;
try { try {
cBuff = Searcher.loadContentFromFile(dbPath); // 1、将 ip2region 数据库文件 xdb 从 ClassPath 加载到内存。
} catch (Exception e) { // 2、基于加载到内存的 xdb 数据创建一个 Searcher 查询对象。
throw new ServiceException("RegionUtils初始化失败，原因：从ip2region.xdb文件加载内容失败！" + e.getMessage()); SEARCHER = Searcher.newWithBuffer(ResourceUtil.readBytes(IP_XDB_FILENAME));
} log.info("RegionUtils初始化成功，加载IP地址库数据成功！");
// 2、使用上述的 cBuff 创建一个完全基于内存的查询对象。 } catch (NoResourceException e) {
try { throw new ServiceException("RegionUtils初始化失败，原因：IP地址库数据不存在！");
SEARCHER = Searcher.newWithBuffer(cBuff);
} catch (Exception e) { } catch (Exception e) {
throw new ServiceException("RegionUtils初始化失败，原因：" + e.getMessage()); throw new ServiceException("RegionUtils初始化失败，原因：" + e.getMessage());
} }
@ -54,9 +39,8 @@ public class RegionUtils {
*/ */
public static String getCityInfo(String ip) { public static String getCityInfo(String ip) {
try { try {
ip = ip.trim();
// 3、执行查询 // 3、执行查询
String region = SEARCHER.search(ip); String region = SEARCHER.search(StringUtils.trim(ip));
return region.replace("0|", "").replace("|0", ""); return region.replace("0|", "").replace("|0", "");
} catch (Exception e) { } catch (Exception e) {
log.error("IP地址离线获取城市异常 {}", ip); log.error("IP地址离线获取城市异常 {}", ip);