Jersey实现Restful webservice及Ajax访问
2016-05-06 15:12
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jsp
java
web.xml
pom.xml
<%@ 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('系统连接失败，请稍后再试！')},
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('系统连接失败，请稍后再试！')},
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('系统连接失败，请稍后再试！')},
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;
@XmlRootElement
public 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>();//存储用户
/**
* 查询所有
* @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;
}
/**
* 删除
* @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;
}
/**
* 删除
* @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 );
}
/**
* 根据id查询
* @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() {
//服务类所在的包路径
packages("org.nercita.zmx");
//注册JSON转换器
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支持 --> <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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