jax-rs(Java API for RESTful Web Services)实践教程之二 —— get/post/put/delete/head

来源：互联网发布：js获取元素属性的办法编辑：程序博客网时间：2024/05/21 22:54

转载请注明出处，谢谢 http://blog.csdn.net/exsuns

新建一个web工程：

新建类com.Hello.java ，内容如下

@Path("hello")public class Hello {@GET@Path("doGet")public String doGet() { System.out.println("doGet");return "你好,doGet";}@POST@Path("doPost")public Object doPost() throws Exception {System.out.println("doPost");return "你好,doPost";}@DELETE@Path("doDelete")public String doDelete() {System.out.println("doDelete");return "你好,doDelete";}@PUT@Path("doPut")public String doPut() {System.out.println("doPut");return "你好,doPut";}@HEAD@Path("doHead")public String doHead() {System.out.println("doHead");return "你好,doHead";}}

<servlet> <servlet-name>JAX-RS REST Servlet</servlet-name> <servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>JAX-RS REST Servlet</servlet-name> <url-pattern>/services/*</url-pattern> </servlet-mapping>

最后部署到服务器，并启动

客户端：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <title></title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"><mce:script type="text/javascript"></mce:script> </head> <body> <a onclick="creatReq('doDelete','DELETE')">delete请求</a> <a onclick="creatReq('doPut','PUT')">put请求</a> <a onclick="creatReq('doGet','GET')">get请求</a> <a onclick="creatReq('doPost','POST')">post请求</a> <a onclick="creatReq('doHead','HEAD')">head请求</a> </body></html>

打开客户端进行测试，就会在出现结果。

get/post/delete/put 都会出现结果

不过head有可能不会出现

关于head请求，sun有一句话

By default the JAX-RS runtime will automatically support the methodsHEAD, if not explicitly implemented. For HEAD the runtimewill invoke the implemented GET method (if present) and ignore theresponse entity (if set).

默认请况下 jax-rs运行时会自动支持head和options请求，如果没有明确实现，head运行时会调用get，同时会忽略response写出

jax-rs(Java API for RESTful Web Services)实践教程 之二 —— get/post/put/delete/head

jax-rs(Java API for RESTful Web Services)实践教程之二 —— get/post/put/delete/head