update: 新增方法

src/main/java/com/fanruan/api/conf/HolderKit.java

@@ -5,6 +5,8 @@ import com.fanruan.api.conf.impl.ObjectColConf;
 import com.fanruan.api.conf.impl.ObjectMapConf;
 import com.fanruan.api.conf.impl.SimConf;
 import com.fr.config.holder.Conf;
+import com.fr.config.holder.factory.Holders;
+import com.fr.config.holder.impl.ColConf;
 
 import java.util.Collection;
 import java.util.Map;
@@ -88,4 +90,14 @@ public class HolderKit {
     public static <K, V> ObjectMapConf<Map<K, V>> objMap(Map<K, V> map, Class<K> keyType, Class<V> valueType, boolean order) {
         return new ObjectMapConf<>(map, keyType, valueType, order);
     }
+
+    /**
+     * 创建一个collection类型的holder
+     * @param collection 值Collection类型
+     * @param valueType 值class类型
+     * @return collection类型的holder
+     * */
+    public static <K> ColConf<Collection<K>> collection(Collection<K> collection, Class<K> valueType) {
+        return Holders.collection(collection, valueType);
+    }
 }