【五大图层】EpmetRequestHolder工具类，增加针对customerId,client,app等的直接获取

epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/utils/EpmetRequestHolder.java

@@ -1,6 +1,7 @@
 package com.epmet.commons.tools.utils;
 
 import com.alibaba.ttl.TransmittableThreadLocal;
+import com.epmet.commons.tools.constant.AppClientConstant;
 import org.apache.commons.lang3.StringUtils;
 
 import java.util.HashMap;
@@ -53,6 +54,38 @@ public class EpmetRequestHolder {
         return stringStringMap.get(headerName.toLowerCase());
     }
 
+    /**
+     * 当前登录人客户id
+     * @return
+     */
+    public static String getLoginUserCustomerId() {
+        return getHeader(AppClientConstant.CUSTOMER_ID);
+    }
+
+    /**
+     * 当前登录人user_id
+     * @return
+     */
+    public static String getLoginUserId() {
+        return getHeader(AppClientConstant.USER_ID);
+    }
+
+    /**
+     * 当前登录人app
+     * @return
+     */
+    public static String getLoginUserApp() {
+        return getHeader(AppClientConstant.APP);
+    }
+
+    /**
+     * 当前登录人client
+     * @return
+     */
+    public static String getLoginUserClient() {
+        return getHeader(AppClientConstant.CLIENT);
+    }
+
     /**
      * 获取所有
      * @return