rename $_P_ cache key.

examcloud-support/src/main/java/cn/com/qmth/examcloud/support/CacheConstants.java

@@ -7,6 +7,15 @@ package cn.com.qmth.examcloud.support;
  */
 public interface CacheConstants {
 
+    /* #################### 基础模块 #################### */
+
+    /**
+     * 缓存 - 机构角色权限信息：{rootOrgId}_{roleId}
+     */
+    String CACHE_B_ROLE_PRIVILEGE = "$B:ROLE_PRIVILEGE:";
+
+
+
     /* #################### 考务模块 #################### */
 
     /**