common config

common-config/pom.xml

+<?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">
+    <parent>
+        <artifactId>springboot-demo</artifactId>
+        <groupId>com.pannk</groupId>
+        <version>1.0</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>common-config</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file

common-config/src/main/java/com/pannk/demo/commonconfig/CommonConfigApplication.java

+/*
+ * Copyright (c) 2019, PANNK and/or its affiliates. All rights reserved.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+package com.pannk.demo.commonconfig;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * @author：wolf
+ * @date：2020/10/30 22:59
+ **/
+@SpringBootApplication
+public class CommonConfigApplication {
+
+    public static void main(String[] args) {
+        SpringApplication springApplication = new SpringApplication(CommonConfigApplication.class);
+        //设置Banner模式为关闭，即不显示Banner内容
+//        springApplication.setBannerMode(Banner.Mode.OFF);
+        springApplication.run(args);
+//        SpringApplication.run(CommonConfigApplication.class, args);
+    }
+}

common-config/src/main/resources/application.yml

+server:
+  port: 8888
+  servlet:
+    context-path: /
+spring:
+  application:
+    name: commonConfig
\ No newline at end of file

common-config/src/main/resources/banner.txt

+=================欢迎学习SpringBoot2实战课程================
\ No newline at end of file

first-application/pom.xml

@@ -8,7 +8,6 @@
         <version>1.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
-
     <artifactId>first-application</artifactId>
 
     <dependencies>

first-application/src/main/java/com/pannk/demo/firstapplication/FirstApplication.java

 package com.pannk.demo.firstapplication;
 
-import org.springframework.boot.Banner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RestController;
 
 /**
  * 第一个SpringBoot程序
+ * 1、@SpringBootApplication注解标明程序为SpringBootApplication，可以简单理解为规定写法，后面会具体讲解
+ * 2、此类为系统入口类，应放在项目代码的根目录，即最顶层包，否则会出现不能扫描到包层级高于它的类
+ *
  * @author 老丢丢
  */
 @SpringBootApplication
-@RestController
 public class FirstApplication {
 
     public static void main(String[] args) {
-        SpringApplication application = new SpringApplication(FirstApplication.class);
-        application.setBannerMode(Banner.Mode.OFF);
-        application.run();
+        SpringApplication.run(FirstApplication.class, args);
     }
 
-    @GetMapping("/index")
-    public String index(){
-        return "Hello,Spring Boot";
-    }
 
 }

first-application/src/main/java/com/pannk/demo/firstapplication/HelloController.java

@@ -5,7 +5,9 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 /**
- * Created by wolf on 20-10-28.
+ *
+ * @author wolf
+ * @date 20-10-28
  */
 @RestController
 @RequestMapping("/hello")

pom.xml

@@ -10,6 +10,7 @@
     <description>SpringBoot2课程demo</description>
     <modules>
         <module>first-application</module>
+        <module>common-config</module>
     </modules>
     <parent>
         <groupId>org.springframework.boot</groupId>