DN reverse bug fix

src/main/java/com/sunyard/util/DnUtil.java

@@ -1,6 +1,7 @@
 package com.sunyard.util;
 
 import java.util.LinkedHashMap;
+import java.util.List;
 
 public class DnUtil {
 
@@ -20,14 +21,20 @@ public class DnUtil {
             return dn;
         }
         // 反转顺序
-        LinkedHashMap<String, String> map = dnToMap( dn );
+        String[] kvs = dn.split(",");
         StringBuilder sb = new StringBuilder();
 
-        for ( String key : map.keySet() ) {
+        for ( String kv : kvs ) {
+
             if ( sb.length() > 0 ) {
                 sb.insert(0, ",");
             }
-            sb.insert(0, key + "=" + map.get( key ));
+            sb.insert(0,  kv );
+
+//            if ( sb.length() > 0 ) {
+//                sb.append(",");
+//            }
+//            sb.append( key + "=" + map.get( key ) );
         }
 
         return sb.toString();