第一个springboot-web快速入门工程-/hello

springboot-web-quickstart/pom.xml

@@ -13,18 +13,25 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <spring-boot.version>2.7.6</spring-boot.version>
     </properties>
+
+    <!--项目依赖-->
     <dependencies>
+        <!--springboot-web起步依赖-->
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
 
+        <!--springboot集成的junit单元测试起步依赖-->
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
     </dependencies>
+
+
+    <!--springboot版本控制-->
     <dependencyManagement>
         <dependencies>
             <dependency>

springboot-web-quickstart/src/main/java/com/inmind/SpringbootWebQuickstartApplication.java

@@ -3,6 +3,7 @@ package com.inmind;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+//定义当前类为springboot的启动项
 @SpringBootApplication
 public class SpringbootWebQuickstartApplication {
 

springboot-web-quickstart/src/main/java/com/inmind/controller/HelloController.java

@@ -0,0 +1,17 @@
+package com.inmind.controller;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+//表示当前是个请求处理类
+@RestController
+public class HelloController {
+
+    //请求处理方法，当访问/hello资源路径时，被hello方法所接收
+    @RequestMapping("/hello")
+    public String hello(){
+        String s = "hello world";
+        System.out.println(s);
+        return s;
+    }
+}

springboot-web-quickstart/src/main/java/com/inmind/demos/web/BasicController.java

@@ -29,7 +29,7 @@ import org.springframework.web.bind.annotation.ResponseBody;
 public class BasicController {
 
     // http://127.0.0.1:8080/hello?name=lisi
-    @RequestMapping("/hello")
+    @RequestMapping("/hello1111")
     @ResponseBody
     public String hello(@RequestParam(name = "name", defaultValue = "unknown user") String name) {
         return "Hello " + name;