delete useless field and add additional configuration metadata

spring-cloud-alibaba-nacos-config/src/main/java/org/springframework/cloud/alibaba/nacos/NacosConfigProperties.java

@@ -55,11 +55,6 @@ public class NacosConfigProperties {
 	private static final Logger log = LoggerFactory
 			.getLogger(NacosConfigProperties.class);
 
-	/**
-	 * whether to enable nacos config.
-	 */
-	private boolean enabled = true;
-
 	/**
 	 * nacos config server address
 	 */
@@ -140,19 +135,8 @@ public class NacosConfigProperties {
 
 	private ConfigService configService;
 
-	@Autowired
-	private Environment environment;
-
 	// todo sts support
 
-	public boolean isEnabled() {
-		return enabled;
-	}
-
-	public void setEnabled(boolean enabled) {
-		this.enabled = enabled;
-	}
-
 	public String getServerAddr() {
 		return serverAddr;
 	}
@@ -322,16 +306,15 @@ public class NacosConfigProperties {
 
 	@Override
 	public String toString() {
-		return "NacosConfigProperties{" + "enabled=" + enabled + ", serverAddr='"
-				+ serverAddr + '\'' + ", encode='" + encode + '\'' + ", group='" + group
-				+ '\'' + ", prefix='" + prefix + '\'' + ", fileExtension='"
-				+ fileExtension + '\'' + ", timeout=" + timeout + ", endpoint='"
-				+ endpoint + '\'' + ", namespace='" + namespace + '\'' + ", accessKey='"
-				+ accessKey + '\'' + ", secretKey='" + secretKey + '\''
-				+ ", contextPath='" + contextPath + '\'' + ", clusterName='" + clusterName
-				+ '\'' + ", name='" + name + '\'' + ", sharedDataids='" + sharedDataids
-				+ '\'' + ", refreshableDataids='" + refreshableDataids + '\''
-				+ ", extConfig=" + extConfig + '}';
+		return "NacosConfigProperties{" + "serverAddr='" + serverAddr + '\''
+				+ ", encode='" + encode + '\'' + ", group='" + group + '\'' + ", prefix='"
+				+ prefix + '\'' + ", fileExtension='" + fileExtension + '\''
+				+ ", timeout=" + timeout + ", endpoint='" + endpoint + '\''
+				+ ", namespace='" + namespace + '\'' + ", accessKey='" + accessKey + '\''
+				+ ", secretKey='" + secretKey + '\'' + ", contextPath='" + contextPath
+				+ '\'' + ", clusterName='" + clusterName + '\'' + ", name='" + name + '\''
+				+ ", sharedDataids='" + sharedDataids + '\'' + ", refreshableDataids='"
+				+ refreshableDataids + '\'' + ", extConfig=" + extConfig + '}';
 	}
 
 	public ConfigService configServiceInstance() {

spring-cloud-alibaba-nacos-config/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -32,6 +32,12 @@
       "name": "spring.cloud.nacos.config.ext-config",
       "type": "java.util.List",
       "description": "a set of extended configurations ."
+    },
+    {
+      "name": "spring.cloud.nacos.config.enabled",
+      "type": "java.lang.Boolean",
+      "defaultValue": true,
+      "description": "enable nacos config or not."
     }
   ]
 }