NodeJS call Spring Rest

最新推荐文章于 2025-12-03 18:58:29 发布

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本文介绍了一个使用 Spring MVC 构建的简单示例项目，包括 Maven 依赖配置、web.xml 文件设置、Spring 配置文件说明及控制器实现。此外，还展示了如何通过 RESTful API 返回 User 对象，并使用 Node.js 的 request 模块进行测试。

原创转载请注明出处：http://agilestyle.iteye.com/blog/2354390

Spring Project Directory

Maven Dependency

<?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/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>org.fool</groupId>
	<artifactId>springmvc</artifactId>
	<name>springmvc</name>
	<packaging>war</packaging>
	<version>1.0.0-BUILD-SNAPSHOT</version>
	<properties>
		<org.springframework-version>4.2.9.RELEASE</org.springframework-version>
	</properties>
	<dependencies>
		<!-- Spring -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
			<version>${org.springframework-version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${org.springframework-version}</version>
		</dependency>

		<!-- @Inject -->
		<dependency>
			<groupId>javax.inject</groupId>
			<artifactId>javax.inject</artifactId>
			<version>1</version>
		</dependency>

		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>servlet-api</artifactId>
			<version>2.5</version>
			<scope>provided</scope>
		</dependency>

		<dependency>
			<groupId>javax.servlet.jsp</groupId>
			<artifactId>jsp-api</artifactId>
			<version>2.1</version>
			<scope>provided</scope>
		</dependency>

		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
		</dependency>

		<dependency>
			<groupId>org.apache.commons</groupId>
			<artifactId>commons-lang3</artifactId>
			<version>3.4</version>
		</dependency>

		<dependency>
			<groupId>com.fasterxml.jackson.core</groupId>
			<artifactId>jackson-databind</artifactId>
			<version>2.8.6</version>
		</dependency>

		<dependency>
			<groupId>com.google.guava</groupId>
			<artifactId>guava</artifactId>
			<version>21.0</version>
		</dependency>

		<!-- Test -->
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>4.12</version>
			<scope>test</scope>
		</dependency>
	</dependencies>
	<build>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.5.1</version>
				<configuration>
					<source>1.8</source>
					<target>1.8</target>
					<compilerArgument>-Xlint:all</compilerArgument>
					<showWarnings>true</showWarnings>
					<showDeprecation>true</showDeprecation>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.eclipse.jetty</groupId>
				<artifactId>jetty-maven-plugin</artifactId>
				<version>9.3.11.v20160721</version>
				<configuration>
					<scanIntervalSeconds>10</scanIntervalSeconds>
					<webApp>
						<contextPath>/springmvc</contextPath>
					</webApp>
					<httpConnector>
						<port>8080</port>
					</httpConnector>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

	<!-- The definition of the Root Spring Container shared by all Servlets 
		and Filters -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>/WEB-INF/spring/root-context.xml</param-value>
	</context-param>

	<!-- Creates the Spring Container shared by all Servlets and Filters -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>

	<!-- Processes application requests -->
	<servlet>
		<servlet-name>appServlet</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>/WEB-INF/spring/appServlet/servlet-context.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>

	<servlet-mapping>
		<servlet-name>appServlet</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

</web-app>

root-context.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
	
	<!-- Root Context: defines shared resources visible to all other web components -->
		
</beans>

servlet-context.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:beans="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

	<!-- DispatcherServlet Context: defines this servlet's request-processing infrastructure -->
	
	<!-- Enables the Spring MVC @Controller programming model -->
	<annotation-driven />

	<!-- Handles HTTP GET requests for /resources/** by efficiently serving up static resources in the ${webappRoot}/resources directory -->
	<resources mapping="/resources/**" location="/resources/" />

	<!-- Resolves views selected for rendering by @Controllers to .jsp resources in the /WEB-INF/views directory -->
	<beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<beans:property name="prefix" value="/WEB-INF/views/" />
		<beans:property name="suffix" value=".jsp" />
	</beans:bean>
	
	<context:component-scan base-package="org.fool.springmvc" />
	
</beans:beans>

User.java

package org.fool.springmvc;

import java.util.Date;
import java.util.Map;

import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;

import com.google.common.collect.Maps;

public class User {
	private String username;
	private String password;
	private Date registerDate;
	private Map<String, String> address = Maps.newHashMap();

	public User() {
	}

	public User(String username, String password, Date registerDate) {
		this.username = username;
		this.password = password;
		this.registerDate = registerDate;
	}

	@Override
	public String toString() {
		return ReflectionToStringBuilder.toString(this, ToStringStyle.SHORT_PREFIX_STYLE, true, true);
	}

	public String getUsername() {
		return username;
	}

	public void setUsername(String username) {
		this.username = username;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public Date getRegisterDate() {
		return registerDate;
	}

	public void setRegisterDate(Date registerDate) {
		this.registerDate = registerDate;
	}

	public Map<String, String> getAddress() {
		return address;
	}

	public void setAddressMap(Map<String, String> address) {
		this.address = address;
	}

	public static void main(String[] args) {
		User user = new User();
		user.setUsername("Hello");
		user.setPassword("World");
		user.setRegisterDate(new Date());
		user.getAddress().put("Shanghai", "Pudong");
		user.getAddress().put("Beijing", "Dongcheng");

		System.out.println(user);
	}

}

UserController.java

package org.fool.springmvc;

import java.util.Date;

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

import com.google.common.base.Strings;

@Controller
@RequestMapping("/user")
public class UserController {
	@RequestMapping(value = "/testuser", method = RequestMethod.GET)
	@ResponseBody
	public User testResponseBody(
			@RequestParam("username") String username, 
			@RequestParam("password") String password) {
		if(Strings.isNullOrEmpty(username)) {
			username = "Hello";
		}
		
		if(Strings.isNullOrEmpty(password)) {
			password = "World";
		}
		
		User user = new User(username, password, new Date());
		
		user.getAddress().put("Shanghai", "Pudong");
		user.getAddress().put("Beijing", "Dongcheng");

		return user;
	}
}

jetty:run & test

http://localhost:8080/springmvc/user/testuser?username=spring&password=rest

Express Project Directory

npm init

npm install request --save

index.js

var request = require('request');

var url = 'http://localhost:8080/springmvc/user/testuser?username=spring&password=rest';

request(url, function(error, response, body) {
	console.log(response.statusCode);

	if(!error && response.statusCode == 200) {
		console.log(body);

		var data = JSON.parse(body);

		console.log(data);
		console.log(data.username);
		console.log(data.password);
		console.log(data.registerDate);
		console.log(data.address.Shanghai);
		console.log(data.address.Beijing);
	}
});