add module nacos-config and nacos-discovery

spring-cloud-alibaba-examples/nacos-example/nacos-config-example/src/main/java/org/springframework/cloud/alibaba/cloud/examples/Application.java

@@ -0,0 +1,54 @@
+package org.springframework.cloud.alibaba.cloud.examples;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.context.config.annotation.RefreshScope;
+import org.springframework.stereotype.Component;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author xiaojing
+ */
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+}
+
+@Component
+class SampleRunner implements ApplicationRunner {
+
+    @Value("${user.name}")
+    String userName;
+
+    @Value("${user.age}")
+    int userAge;
+
+    @Override
+    public void run(ApplicationArguments args) throws Exception {
+        System.out.println(userName);
+        System.out.println(userAge);
+    }
+}
+
+@RestController
+@RefreshScope
+class SampleController {
+
+    @Value("${user.name}")
+    String userName;
+
+    @Value("${user.age}")
+    int age;
+
+    @RequestMapping("/user")
+    public String simple() {
+        return "Hello Nacos Config!" + "Hello " + userName + " " + age + "!";
+    }
+}

spring-cloud-alibaba-examples/nacos-example/nacos-config-example/src/main/resources/application.properties

@@ -0,0 +1,3 @@
+spring.application.name=nacos-config-example
+server.port=18084
+management.endpoints.web.exposure.include=*

spring-cloud-alibaba-examples/nacos-example/nacos-config-example/src/main/resources/bootstrap.properties

@@ -0,0 +1 @@
+spring.cloud.nacos.config.server-addr=127.0.0.1:8080