Snowflake重复id问题; 解决思路:加synchronized 保证不会获取重复id

framework/src/main/java/io/geekidea/springbootplus/framework/shiro/util/SnowflakeUtil.java

@@ -11,7 +11,12 @@ public class SnowflakeUtil {
 
 
     private static final Snowflake SNOWFLAKE = new Snowflake(1L, 1L);
     private static final Snowflake SNOWFLAKE = new Snowflake(1L, 1L);
 
 
-    public static Long getId() {
+    /**
+     * 多线程中加synchronized 保证不会获取重复id
+     *
+     * @return
+     */
+    public static synchronized Long getId() {
 
 
         return SNOWFLAKE.nextId();
         return SNOWFLAKE.nextId();
     }
     }