WEB API練習3

ディレクトリ構造—Spring MVCを使用したWebページ4の作成プロジェクト

package kr.or.connect.mvcexam.dto;

public class PlusResult {
	private int value1;
	private int value2;
	private int result;
	
	public int getValue1() {
		return value1;
	}
	public void setValue1(int value1) {
		this.value1 = value1;
	}
	public int getValue2() {
		return value2;
	}
	public void setValue2(int value2) {
		this.value2 = value2;
	}
	public int getResult() {
		return result;
	}
	public void setResult(int result) {
		this.result = result;
	}
}

package kr.or.connect.mvcexam.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import kr.or.connect.mvcexam.dto.PlusResult;

/* @ResponseBody 어노테이션이 붙게 되면 해당 메소드는 
 * view이름(jsp파일)을 리턴하는 것이 아니라, 리턴한 객체를 출력하라는 의미를 가진다.
 */
@Controller
public class PlusApiController {
	@GetMapping("/api/plus")
	@ResponseBody
	public PlusResult plus(@RequestParam("value1") int value1, 
			@RequestParam("value2") int value2){
		PlusResult plusResult = new PlusResult();
		plusResult.setValue1(value1);
		plusResult.setValue2(value2);
		plusResult.setResult(value1 + value2);
		return plusResult;
	}
}

<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/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>kr.or.connect</groupId>
	<artifactId>mvcexam</artifactId>
	<packaging>war</packaging>
	<version>0.0.1-SNAPSHOT</version>
	<name>mvcexam Maven Webapp</name>
	<url>http://maven.apache.org</url>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<spring.version>4.3.5.RELEASE</spring.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>3.8.1</version>
			<scope>test</scope>
		</dependency>

		<!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>javax.servlet-api</artifactId>
			<version>3.1.0</version>
			<scope>provided</scope>
		</dependency>

		<!-- https://mvnrepository.com/artifact/javax.servlet.jsp/javax.servlet.jsp-api -->
		<dependency>
			<groupId>javax.servlet.jsp</groupId>
			<artifactId>javax.servlet.jsp-api</artifactId>
			<version>2.3.1</version>
			<scope>provided</scope>
		</dependency>

		<!-- https://mvnrepository.com/artifact/jstl/jstl -->
		<dependency>
			<groupId>jstl</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
		</dependency>
		
		<!-- jackson 라이브러리는 객체를 JSON으로 또는 JSON을 객체로 변환시킬 때 주로 사용 -->
		<dependency>
			<groupId>com.fasterxml.jackson.core</groupId>
			<artifactId>jackson-core</artifactId>
			<version>2.10.2</version>
		</dependency>
		<dependency>
			<groupId>com.fasterxml.jackson.core</groupId>
			<artifactId>jackson-databind</artifactId>
			<version>2.10.2</version>
		</dependency>
	</dependencies>

	<build>
		<finalName>mvcexam</finalName>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.6.1</version>
				<configuration>
					<source>1.8</source>
					<target>1.8</target>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>