新增：epmet-commons-openapi模块

epmet-commons/epmet-commons-openapi/pom.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <version>2.0.0</version>
+    <parent>
+        <artifactId>epmet-commons</artifactId>
+        <groupId>com.epmet</groupId>
+        <version>2.0.0</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>epmet-commons-openapi</artifactId>
+
+
+</project>

epmet-commons/epmet-commons-openapi/src/main/java/com/epmet/commons/openapi/constants/HeaderFieldKeys.java

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+package com.epmet.commons.openapi.constants;
+
+public interface HeaderFieldKeys {
+
+    String APP_ID = "AppId";
+
+}

epmet-commons/epmet-commons-openapi/src/main/java/com/epmet/commons/openapi/constants/RequestBodyFieldKeys.java

@@ -0,0 +1,10 @@
+package com.epmet.commons.openapi.constants;
+
+/**
+ * 请求体字段key
+ */
+public interface RequestBodyFieldKeys {
+
+    String APP_ID = "appId";
+
+}

epmet-commons/epmet-commons-openapi/src/main/java/com/epmet/commons/openapi/constants/RequestParamKeys.java

@@ -0,0 +1,11 @@
+package com.epmet.commons.openapi.constants;
+
+/**
+ * url请求参数key
+ */
+public class RequestParamKeys {
+
+    public static String APP_ID = "app_id";
+    public static String AUTH_TYPE = "auth_type";
+
+}