javaEEday05-请求响应-请求-简单参数

springboot-web-req-resp/.gitignore

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+HELP.md
+target/
+.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

springboot-web-req-resp/.mvn/wrapper/maven-wrapper.properties

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+wrapperVersion=3.3.4
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.15/apache-maven-3.9.15-bin.zip

springboot-web-req-resp/pom.xml

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+<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>3.5.14</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.inmind</groupId>
+	<artifactId>springboot-web-req-resp</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>springboot-web-req-resp</name>
+	<description>springboot-web-req-resp</description>
+	<url/>
+	<licenses>
+		<license/>
+	</licenses>
+	<developers>
+		<developer/>
+	</developers>
+	<scm>
+		<connection/>
+		<developerConnection/>
+		<tag/>
+		<url/>
+	</scm>
+	<properties>
+		<java.version>17</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

springboot-web-req-resp/src/main/java/com/inmind/SpringbootWebReqRespApplication.java

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+package com.inmind;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringbootWebReqRespApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SpringbootWebReqRespApplication.class, args);
+	}
+
+}

springboot-web-req-resp/src/main/java/com/inmind/controller/RequestController.java

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+package com.inmind.controller;
+
+import jakarta.servlet.http.HttpServletRequest;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class RequestController {
+
+    //原始方式接收请求数据
+    /*@RequestMapping( "/simpleParam")
+    public String simpleParam(HttpServletRequest request){
+        //获取请求参数
+        String name = request.getParameter("name");
+        String ageStr = request.getParameter("age");
+        //手动的数据类型转换
+        int age = Integer.parseInt(ageStr);
+        System.out.println("name:"+name+",age:"+age);
+        return "OK";
+    }*/
+
+
+    //springboot方式获取请求参数
+    @RequestMapping( "/simpleParam")
+    //@RequestParam(name = "name" ) 的作用是从请求对象中获取name属性值，将值赋给username变量
+    public String simpleParam(@RequestParam(name = "name",required = false ) String username, Integer age){
+        System.out.println("name:"+username+",age:"+age);
+        return "OK";
+    }
+
+}

springboot-web-req-resp/src/main/resources/application.properties

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+spring.application.name=springboot-web-req-resp

springboot-web-req-resp/src/test/java/com/inmind/SpringbootWebReqRespApplicationTests.java

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+package com.inmind;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class SpringbootWebReqRespApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}