原创转载请注明出处:http://agilestyle.iteye.com/blog/2318017
Reference
@RequestBody
http://docs.spring.io/spring/docs/current/spring-framework-reference/htmlsingle/#mvc-ann-requestbody
@ResponseBody
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>4.2.7.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> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.8.1</version> </dependency> <dependency> <groupId>com.google.guava</groupId> <artifactId>guava</artifactId> <version>19.0</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>3.4</version> </dependency> <!-- @Inject --> <dependency> <groupId>javax.inject</groupId> <artifactId>javax.inject</artifactId> <version>1</version> </dependency> <!-- Servlet --> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>javax.servlet.jsp-api</artifactId> <version>2.3.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</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-eclipse-plugin</artifactId> <version>2.10</version> <configuration> <additionalProjectnatures> <projectnature>org.springframework.ide.eclipse.core.springnature</projectnature> </additionalProjectnatures> <additionalBuildcommands> <buildcommand>org.springframework.ide.eclipse.core.springbuilder</buildcommand> </additionalBuildcommands> <downloadSources>true</downloadSources> <downloadJavadocs>true</downloadJavadocs> </configuration> </plugin> <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> <httpConnector> <port>8888</port> </httpConnector> <webApp> <contextPath>/springmvc</contextPath> </webApp> </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> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </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 org.apache.commons.lang3.builder.ToStringBuilder; import org.apache.commons.lang3.builder.ToStringStyle; public class User { private Long id; private String username; private String password; public User() { } public User(Long id, String username, String password) { this.id = id; this.username = username; this.password = password; } @Override public String toString() { return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE); } public Long getId() { return id; } public void setId(Long id) { this.id = id; } 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; } }
UserController.java
package org.fool.springmvc; import java.util.Map; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; import com.google.common.collect.Maps; @Controller @RequestMapping("/user") public class UserController { public static Map<Long, User> userMap; static { userMap = Maps.newHashMap(); userMap.put(10086L, new User(100086L, "hello", "world")); userMap.put(10087L, new User(100086L, "hey", "girl")); userMap.put(10088L, new User(100086L, "love", "me")); } @RequestMapping(value = "/testresponsebody/{id}", method = RequestMethod.GET) @ResponseBody public User testResponseBody(@PathVariable Long id) { User user = userMap.get(id); System.out.println(user); return user; } @RequestMapping(value = "/testrequestbody", method = RequestMethod.POST) @ResponseBody public User testRequestBody(@RequestBody User user) { System.out.println(user); return user; } }
index.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Index JSP</title> <script type="text/javascript" src="resources/js/jquery-3.1.0.min.js"></script> <script type="text/javascript"> $(document).ready(function() { $("#responsebody").click(function() { responseBody(); }); $("#requestbody").click(function() { requestBody(); }); }); function responseBody() { var url = 'http://localhost:8888/springmvc/user/testresponsebody/'; var params = $('#id-select').val(); url += params; alert(url); var args = {}; $.get(url, args, function(data) { alert("id: " + data.id + "\nusername: " + data.username + "\npassword: " + data.password); }); } function requestBody() { var url = 'http://localhost:8888/springmvc/user/testrequestbody'; var data = '{"id":"' + $('#id').val() + '","username":"' + $('#username').val() + '","password":"' + $('#password').val() + '"}'; alert(data); $.ajax({ url : url, data : data, type : "POST", dataType : 'json', contentType : 'application/json', success : function(data) { alert("id: " + data.id + "\nusername: " + data.username + "\npassword: " + data.password); }, error : function() { alert('Error...'); } }); } </script> </head> <body> <table> <tr> <td>id</td> <td> <select id="id-select"> <option value="10086">10086</option> <option value="10087">10087</option> <option value="10088">10088</option> </select> </td> </tr> <tr> <td><input type="button" id="responsebody" value="test ResponseBody - GET" /></td> </tr> </table> <table> <tr> <td>id</td> <td><input id="id" value="10000"/></td> </tr> <tr> <td>username</td> <td><input id="username" value="Mr"/></td> </tr> <tr> <td>password</td> <td><input id="password" value="Big"/></td> </tr> <tr> <td><input type="button" id="requestbody" value="test RequestBody - POST" /></td> </tr> </table> </body> </html>
mvn jetty:run
Verify Result
http://localhost:8888/springmvc/index.jsp
Click button 'test ResponseBody - GET'
查看Response
查看Console输出
Click button 'test RequestBody - POST'
查看Response
查看Console输出
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