add CommandLineRunner

spring-boot-commandLineRunner/src/main/java/com/neo/CommandLineRunnerApplication.java

@@ -0,0 +1,15 @@
+package com.neo;
+
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class CommandLineRunnerApplication {
+
+	public static void main(String[] args) {
+		System.out.println("The service to start.");
+		SpringApplication.run(CommandLineRunnerApplication.class, args);
+		System.out.println("The service has started.");
+	}
+}

spring-boot-commandLineRunner/src/main/java/com/neo/runner/OrderRunner1.java

@@ -0,0 +1,15 @@
+package com.neo.runner;
+
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+
+@Component
+@Order(1)
+public class OrderRunner1 implements CommandLineRunner {
+
+    @Override
+    public void run(String... args) throws Exception {
+        System.out.println("The OrderRunner1 start to initialize ...");
+    }
+}

spring-boot-commandLineRunner/src/main/java/com/neo/runner/OrderRunner2.java

@@ -0,0 +1,15 @@
+package com.neo.runner;
+
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+
+@Component
+@Order(2)
+public class OrderRunner2 implements CommandLineRunner {
+
+    @Override
+    public void run(String... args) throws Exception {
+        System.out.println("The OrderRunner2 start to initialize ...");
+    }
+}

spring-boot-commandLineRunner/src/main/java/com/neo/runner/Runner.java

@@ -0,0 +1,13 @@
+package com.neo.runner;
+
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.stereotype.Component;
+
+@Component
+public class Runner implements CommandLineRunner {
+
+    @Override
+    public void run(String... args) throws Exception {
+        System.out.println("The Runner start to initialize ...");
+    }
+}