雪花id new

uboot-common/src/main/java/com/chinaunicom/mall/ebtp/common/util/PropertyUtils.java

@@ -1,8 +1,12 @@
 package com.chinaunicom.mall.ebtp.common.util;
 
 import cn.hutool.core.util.IdUtil;
-import cn.hutool.core.util.RandomUtil;
-import org.springframework.beans.factory.annotation.Value;
+import org.apache.commons.lang3.RandomUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.lang3.SystemUtils;
+
+import java.net.Inet4Address;
+import java.net.UnknownHostException;
 
 /**
  * <P>配置文件参数注入</P>
@@ -13,18 +17,36 @@ import org.springframework.beans.factory.annotation.Value;
  */
 public class PropertyUtils {
 
-    /**
-     * 终端ID
-     */
-    @Value("${mconfig.work-id}")
-    public static long WORKER_ID;
+    private final static long WORKER_ID;
+    private final static long DATACENTER_ID;
+    static{
+        WORKER_ID = getWorkId();
+        DATACENTER_ID =getDataCenterId();
+    }
 
-    /**
-     * 数据中心ID
-     */
-    @Value("${mconfig.datacenter-id}")
-    public static long DATACENTER_ID;
+    private static Long getWorkId(){
+        try {
+            String hostAddress = Inet4Address.getLocalHost().getHostAddress();
+            int[] ints = StringUtils.toCodePoints(hostAddress);
+            int sums = 0;
+            for(int b : ints){
+                sums += b;
+            }
+            return (long)(sums % 32);
+        } catch (UnknownHostException e) {
+            // 如果获取失败，则使用随机数备用
+            return RandomUtils.nextLong(0,31);
+        }
+    }
 
+    private static Long getDataCenterId() {
+        int[] ints = StringUtils.toCodePoints(SystemUtils.getHostName());
+        int sums = 0;
+        for (int i : ints) {
+            sums += i;
+        }
+        return (long) (sums % 32);
+    }
     /**
      * 生成雪花id，
      *
@@ -40,8 +62,7 @@ public class PropertyUtils {
      * @return
      */
     public static long getSnowflakeLongId() {
-        long workerId = RandomUtil.getRandom().nextLong(31);
-        long datacenterId = RandomUtil.getRandom().nextLong(31);
-        return IdUtil.getSnowflake(workerId, datacenterId).nextId();
+
+        return IdUtil.getSnowflake(WORKER_ID,DATACENTER_ID).nextId();
     }
 }