Merge pull request #36 from zaiyunduan123/master

 Introducing new features.随机 路由策略

+package com.crossoverjie.cim.common.route.algorithm.random;
+
+import com.crossoverjie.cim.common.route.algorithm.RouteHandle;
+import java.util.concurrent.ThreadLocalRandom;
+
+import java.util.List;
+
+/**
+ * Function: 路由策略， 随机
+ *
+ * @Auther: jiangyunxiong
+ * @Date: 2019/3/7 11:56
+ * @since JDK 1.8
+ */
+public class RandomHandle implements RouteHandle {
+
+    @Override
+    public String routeServer(List<String> values, String key) {
+        int size = values.size();
+        if (size == 0) {
+            throw new RuntimeException("CIM 服务器可用服务列表为空");
+        }
+        int offset = ThreadLocalRandom.current().nextInt(size);
+
+        return values.get(offset);
+    }
+}

@@ -24,6 +24,9 @@ app.zk.root=/route
 #路由策略，轮询
 #app.route.way=com.crossoverjie.cim.common.route.algorithm.loop.LoopHandle
 
+#路由策略，随机
+#app.route.way=com.crossoverjie.cim.common.route.algorithm.random.RandomHandle
+
 #路由策略，一致性 hash
 app.route.way=com.crossoverjie.cim.common.route.algorithm.consistenthash.ConsistentHashHandle