perf：优化ip2region，改为从服务器下载db文件，而不是打包到项目中

tiesheng-util/src/main/java/com/tiesheng/util/ip2region/Ip2Region.java

@@ -1,12 +1,9 @@
 package com.tiesheng.util.ip2region;
 
-import cn.hutool.core.io.FileUtil;
-import cn.hutool.core.io.IoUtil;
-import cn.hutool.core.io.resource.ClassPathResource;
+import cn.hutool.extra.spring.SpringUtil;
+import com.tiesheng.util.config.Ip2regionConfig;
 
-import java.io.File;
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.RandomAccessFile;
 import java.nio.charset.StandardCharsets;
 
@@ -51,15 +48,8 @@ public class Ip2Region {
     public Ip2Region() {
         this.dbConfig = new DbConfig();
         try {
-            ClassPathResource cpr = new ClassPathResource("ipdb/ip2region.db");
-            InputStream inputStream = cpr.getStream();
-            File tempFile = File.createTempFile("ip2region", ".db");
-            try {
-                FileUtil.writeFromStream(inputStream, tempFile);
-            } finally {
-                IoUtil.close(inputStream);
-            }
-            raf = new RandomAccessFile(tempFile, "r");
+            Ip2regionConfig ip2regionConfig = SpringUtil.getBean(Ip2regionConfig.class);
+            raf = ip2regionConfig.getDbAccessFile();
         } catch (Exception ignored) {
         }
     }