jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><html> <head> <script src="js/jquery/jquery.js"></script> <script> function rest1(){ $.ajax({type: 'POST',url: 'http://localhost:8080/RestDemo/webapi/users',dataType: "json", contentType: "application/json", data: "{\"userId\":\"004\", \"userName\":\"Susan\", \"age\":\"33\"}",cache : false,error:function(){alert('系統串連失敗，請稍後再試。')},success: function(obj){alert(obj.userName);} }); } </script> <script> function rest2(){ $.ajax({type: 'POST',url: 'http://localhost:8080/RestDemo/webapi/users/user',dataType: "json", contentType: "application/x-www-form-urlencoded", // data: "{\"userId\":\"004\", \"userName\":\"Susan\", \"age\":\"33\"}", data: { "user": "{\"userId\":\"004\", \"userName\":\"Susan\", \"age\":\"33\"}" },cache : false,error:function(){alert('系統串連失敗，請稍後再試。')},success: function(obj){alert(obj.userName);} }); } </script> <script> function rest3(){ $.ajax({type: 'POST',url: 'http://localhost:8080/RestDemo/webapi/users/delete/001',dataType: "json", contentType: "application/json", // data: "{\"userId\":\"004\", \"userName\":\"Susan\", \"age\":\"33\"}", cache : false,error:function(){alert('系統串連失敗，請稍後再試。')},success: function(obj){alert(obj.userName);} }); } </script> </head> <body> <h2>Jersey RESTful Web Application!</h2> <p><a href="webapi/myresource">Jersey resource</a> <p>Visit <a href="http://jersey.java.net">Project Jersey website</a> for more information on Jersey! <input type="button" onclick="rest1();" value="sss"> <input type="button" onclick="rest2();" value="aaa"> <input type="button" onclick="rest3();" value="ddd"> </body></html>
java
package org.nercita.zmx;import javax.xml.bind.annotation.XmlRootElement;@XmlRootElementpublic class User {private String userId;private String userName;private String age;public User() {};public User(String userId, String userName, String age) {this.userId = userId;this.userName = userName;this.age = age;}public String getUserId() {return userId;}public void setUserId(String userId) {this.userId = userId;}public String getUserName() {return userName;}public void setUserName(String userName) {this.userName = userName;}public String getAge() {return age;}public void setAge(String age) {this.age = age;}}
package org.nercita.zmx;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import javax.ws.rs.Consumes;import javax.ws.rs.DELETE;import javax.ws.rs.FormParam;import javax.ws.rs.GET;import javax.ws.rs.POST;import javax.ws.rs.PUT;import javax.ws.rs.Path;import javax.ws.rs.PathParam;import javax.ws.rs.Produces;import javax.ws.rs.core.MediaType;@Path("/users")public class UserResource {private static Map<String,User> userMap = new HashMap<String,User>();//儲存使用者 /** * 查詢所有 * @return */ @GET @Produces(MediaType.APPLICATION_XML) public List<User> getAllUsers(){ List<User> users = new ArrayList<User>();User u1 = new User("001","WayLau","26");User u2 = new User("002","King","23");User u3 = new User("003","Susan","21");userMap.put(u1.getUserId(), u1);userMap.put(u2.getUserId(), u2);userMap.put(u3.getUserId(), u3);users.addAll( userMap.values() );return users; } @GET @Path("/getUserXml") @Produces(MediaType.APPLICATION_XML) public User getUserXml() { User user = new User(); user.setAge("21"); user.setUserId("004"); user.setUserName("Amand"); return user; } @GET @Path("/getUserJson") @Produces(MediaType.APPLICATION_JSON) public User getUserJson() { User user = new User(); user.setAge("27"); user.setUserId("005"); user.setUserName("Fmand"); return user; } /*** 增加* @param user*/ @POST @Consumes({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON}) @Produces(MediaType.APPLICATION_JSON) public User createStudent(User user) {userMap.put(user.getUserId(), user );return user; } /*** 增加* @param user*/ @POST @Path("/user") public User addStudent(@FormParam("j") String j) {System.out.println(j);User user = new User(); user.setAge("27"); user.setUserId("005"); user.setUserName("Fmand"); return user; } /*** 刪除* @param user*/ @POST @Path("/delete/{id}") @Produces(MediaType.APPLICATION_JSON) @Consumes({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON}) public User delStudent(@PathParam("id")String id) {System.out.println(id);User user = new User(); user.setAge("27"); user.setUserId("005"); user.setUserName("Fmand"); return user; } /** * 刪除 * @param id */ @DELETE @Path("{id}") public void deleteStudent(@PathParam("id")String id){ userMap.remove(id); } /** * 修改 * @param user */ @PUT @Consumes(MediaType.APPLICATION_XML) public void updateStudent(User user){userMap.put(user.getUserId(), user ); } /** * 根據id查詢 * @param id * @return */ @GET @Path("{id}") @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON}) public User getUserById(@PathParam("id") String id){ User u = userMap.get(id); return u; } }
package org.nercita.zmx;import org.codehaus.jackson.jaxrs.JacksonJsonProvider;import org.glassfish.jersey.server.ResourceConfig;public class RestApplication extends ResourceConfig {public RestApplication() { //服務類所在的包路徑 packages("org.nercita.zmx"); //註冊JSON轉換器 register(JacksonJsonProvider.class); }}
web.xml
<?xml version="1.0" encoding="UTF-8"?><!-- This web.xml file is not required when using Servlet 3.0 container, see implementation details http://jersey.java.net/nonav/documentation/latest/jax-rs.html --><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"> <servlet> <servlet-name>Jersey Web Application</servlet-name> <servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class> <!-- <init-param> <param-name>jersey.config.server.provider.packages</param-name> <param-value>org.nercita.zmx</param-value> </init-param> --> <init-param> <param-name>javax.ws.rs.Application</param-name> <param-value>org.nercita.zmx.RestApplication</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>Jersey Web Application</servlet-name> <url-pattern>/webapi/*</url-pattern> </servlet-mapping></web-app>
pom.xml
<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.nercita.ltxx</groupId> <artifactId>RestDemo</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>RestDemo</name> <build> <finalName>RestDemo</finalName> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>2.5.1</version> <inherited>true</inherited> <configuration> <source>1.7</source> <target>1.7</target> </configuration> </plugin> </plugins> </build> <dependencyManagement> <dependencies> <dependency> <groupId>org.glassfish.jersey</groupId> <artifactId>jersey-bom</artifactId> <version>${jersey.version}</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> <dependencies> <dependency> <groupId>org.glassfish.jersey.containers</groupId> <artifactId>jersey-container-servlet-core</artifactId> <!-- use the following artifactId if you don't need servlet 2.x compatibility --> <!-- artifactId>jersey-container-servlet</artifactId --> </dependency> <!-- uncomment this to get JSON support <dependency> <groupId>org.glassfish.jersey.media</groupId> <artifactId>jersey-media-moxy</artifactId> </dependency> --> <!--Jackson Json支援 --><dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-core-asl</artifactId> <version>1.9.12</version></dependency><dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.12</version></dependency><dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-jaxrs</artifactId> <version>1.9.12</version></dependency> </dependencies> <properties> <jersey.version>2.22.2</jersey.version> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties></project>
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