polish #761 update pkg name & maven coordinate for Greenwich

spring-cloud-alibaba-examples/sentinel-example/sentinel-core-example/pom.xml

@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 
     <parent>
-        <groupId>org.springframework.cloud</groupId>
+        <groupId>com.alibaba.cloud</groupId>
         <artifactId>spring-cloud-alibaba-examples</artifactId>
         <version>0.9.1.BUILD-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
@@ -18,7 +18,7 @@
 
     <dependencies>
         <dependency>
-            <groupId>org.springframework.cloud</groupId>
+            <groupId>com.alibaba.cloud</groupId>
             <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
         </dependency>
 

spring-cloud-alibaba-examples/sentinel-example/sentinel-core-example/readme.md

@@ -15,7 +15,7 @@ Before we start the demo, let's learn how to connect Sentinel to a Spring Cloud
 1. Add dependency spring-cloud-starter-alibaba-sentinel in the pom.xml file in your Spring Cloud project.
 
 	    <dependency>
-            <groupId>org.springframework.cloud</groupId>
+            <groupId>com.alibaba.cloud</groupId>
             <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
         </dependency>
 	

spring-cloud-alibaba-examples/sentinel-example/sentinel-core-example/src/main/java/com/alibaba/cloud/examples/ExceptionUtil.java

@@ -1,9 +1,9 @@
-package org.springframework.cloud.alibaba.cloud.examples;
+package com.alibaba.cloud.examples;
 
-import org.springframework.cloud.alibaba.sentinel.rest.SentinelClientHttpResponse;
 import org.springframework.http.HttpRequest;
 import org.springframework.http.client.ClientHttpRequestExecution;
 
+import com.alibaba.cloud.sentinel.rest.SentinelClientHttpResponse;
 import com.alibaba.csp.sentinel.slots.block.BlockException;
 
 /**

spring-cloud-alibaba-examples/sentinel-example/sentinel-core-example/src/main/java/com/alibaba/cloud/examples/JsonFlowRuleListConverter.java

@@ -1,4 +1,4 @@
-package org.springframework.cloud.alibaba.cloud.examples;
+package com.alibaba.cloud.examples;
 
 import java.util.List;
 

spring-cloud-alibaba-examples/sentinel-example/sentinel-core-example/src/main/java/com/alibaba/cloud/examples/ServiceApplication.java

@@ -1,11 +1,11 @@
-package org.springframework.cloud.alibaba.cloud.examples;
+package com.alibaba.cloud.examples;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.cloud.alibaba.sentinel.annotation.SentinelRestTemplate;
 import org.springframework.context.annotation.Bean;
 import org.springframework.web.client.RestTemplate;
 
+import com.alibaba.cloud.sentinel.annotation.SentinelRestTemplate;
 import com.alibaba.csp.sentinel.datasource.Converter;
 
 /**

spring-cloud-alibaba-examples/sentinel-example/sentinel-core-example/src/main/java/com/alibaba/cloud/examples/TestController.java

@@ -1,4 +1,4 @@
-package org.springframework.cloud.alibaba.cloud.examples;
+package com.alibaba.cloud.examples;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -24,15 +24,15 @@ public class TestController {
 	}
 
 	@RequestMapping(value = "/aa", method = RequestMethod.GET)
-    @SentinelResource("aa")
+	@SentinelResource("aa")
 	public String aa(int b, int a) {
 		return "Hello test";
 	}
 
-    @RequestMapping(value = "/test", method = RequestMethod.GET)
-    public String test1() {
-        return "Hello test";
-    }
+	@RequestMapping(value = "/test", method = RequestMethod.GET)
+	public String test1() {
+		return "Hello test";
+	}
 
 	@RequestMapping(value = "/template", method = RequestMethod.GET)
 	public String client() {