添加关注api

src/ucenter/Follow.php

+<?php
+/**
+ * Created by PhpStorm.
+ * User: xiabin
+ * Date: 29/11/2017
+ * Time: 2:53 PM
+ */
+
+
+namespace internalApi\ucenter;
+
+
+use internalApi\base\Client;
+
+class Follow extends Client
+{
+
+    /**
+     * @param $userId
+     * @param $followUserId
+     * @return mixed
+     */
+    public static function add($userId, $followUserId)
+    {
+        return self::call('follow.add', compact('userId', 'followUserId'));
+
+    }
+
+
+    /**
+     * @param $userId
+     * @param $followUserId
+     * @return mixed
+     */
+    public static function delete($userId, $followUserId)
+    {
+        return self::call('follow.delete', compact('userId', 'followUserId'));
+
+    }
+
+
+    /**
+     * 判断是否关注
+     * @param $userId
+     * @param $followUserId
+     * @return bool
+     */
+    public static function check($userId, $followUserId)
+    {
+        return self::call('follow.check', compact('userId', 'followUserId'));
+    }
+}
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