Chapter 1. Getting Started(RETS helloworld)

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Jersey 1.12 User Guide

http://jersey.java.net/nonav/documentation/latest/index.html

新建Java类：

package sample.hello.resources;import javax.ws.rs.GET;import javax.ws.rs.Path;import javax.ws.rs.Produces;import javax.ws.rs.core.MediaType;@Path("/hello")public class HelloResource {@GET@Produces(MediaType.TEXT_PLAIN)public String sayHello() {return "Hello Jersey";}}

配置web.xml文件：

<?xml version="1.0" encoding="UTF-8"?><web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">  <welcome-file-list>    <welcome-file>index.jsp</welcome-file>  </welcome-file-list>  <servlet>    <servlet-name>Jersey REST Service</servlet-name>    <servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>    <init-param>      <param-name>com.sun.jersey.config.property.packages</param-name>      <param-value>sample.hello.resources</param-value>    </init-param>    <load-on-startup>1</load-on-startup>  </servlet>    <servlet-mapping>    <servlet-name>Jersey REST Service</servlet-name>    <url-pattern>/rest/*</url-pattern>  </servlet-mapping></web-app>

WebService测试：

http://localhost:8080/testWeb/rest/hello