restlet入门搭建hello world[通俗易懂]

大家好，又见面了，我是你们的朋友全栈君。

最近研究rest接口，发现restlet应用挺广泛，不过入门资料很少，去官网下载jar包，根据官网说明搭建了一个简单的restlet工程：

1、首先导入jar包

• org.restlet.jar
• org.restlet.ext.servlet.jar

2、编写业务逻辑类

代码语言：javascript复制

package com.chen.rest;

import org.restlet.resource.Get;
import org.restlet.resource.ServerResource;

/**
 * @author chenjie
 * @version 1.0
 * @since 2017-02-08
 */
public class HelloWorld extends ServerResource
{
    @Get
    public String represent()
    {
        return "hello world!";
    }
}

3、编写应用类

代码语言：javascript复制

package com.chen.rest;

import org.restlet.Application;
import org.restlet.Restlet;
import org.restlet.routing.Router;

/**
 * @author chenjie
 * @version 1.0
 * @since 2017-02-08
 */
public class FirstApp extends Application
{
    @Override
    public synchronized Restlet createInboundRoot()
    {
        System.out.println("1111111111");
        Router router = new Router(getContext());
        router.attach("/hello",HelloWorld.class);
        return router;
    }
}

4、配置web.xml

代码语言：javascript复制

<?xml version="1.0" encoding="UTF-8"?> <web-app id="WebApp_ID" 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"> <display-name>first steps servlet</display-name> <!-- Restlet adapter --> <servlet> <servlet-name>RestletServlet</servlet-name> <servlet-class>org.restlet.ext.servlet.ServerServlet</servlet-class> <init-param> <!-- Application class name --> <param-name>org.restlet.application</param-name> <param-value>com.chen.rest.FirstApp</param-value> </init-param> </servlet> <!-- Catch all requests --> <servlet-mapping> <servlet-name>RestletServlet</servlet-name> <url-pattern>/*</url-pattern> </servlet-mapping> </web-app>

5、部署工程到tomcat，启动tomcat，访问

http://localhost:8080/myRest/hello

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