1. WebService getting started-helloService, webservice getting started tutorial

1. WebService getting started-helloService, webservice getting started tutorial

As a beginner, helloworld deserves it ,,,,

 

1. Create two Java projects, one as the webservice server and the other as the webservice client.

2. First, write the service end in the WSService project. Note that the details are already reflected in the Code.

Java code

Package com. wang. webservice. service;

Import javax. jws. WebService;

Import javax. xml. ws. Endpoint;

/*

* @ WebService Annotation

* The server that marks this class as webservice

*/

@ WebService

Public class HelloService {

/*

* A service class must have a method that can be called

* This method cannot be static or finally.

*/

Public String say (){

Return "hello world !! ";

}

Public static void main (String [] args ){

/*

* Parameter 1: service address

* Parameter 2: Service Class

*/

Endpoint. publish ("http: // 127.0.0.1: 1234/wsservice/hello", new HelloService ());

}

}

Package com. wang. webservice. service; import javax. jws. webService; import javax. xml. ws. endpoint;/** @ WebService annotation * indicates that this class is a webservice server */@ WebServicepublic class HelloService {/** a service class, there must be a method that can be called * This method cannot be static or finally */public String say () {return "hello world !! ";} Public static void main (String [] args) {/** parameter 1: service address * parameter 2: service class */Endpoint. publish ("http: // 127.0.0.1: 1234/wsservice/hello", new HelloService ());}}

3. After running the project, as shown in:

 

3. At this time, the webservice server is ready to be called by the client. To enable the client to use the server, make some preparations. First, we need to know what the wsdl is, and enter the previously defined service address in the browser, as shown in: this is the generated esdl, which is actually the user manual. The usage is reflected in the client code.

4. In cmd, enter the command: F: \> wsimport-s. http: // 127.0.0.1: 1234/wsservice/hello? Wsdl to generate code that can be used by the client,

 

The generated file is in drive F:

The file path is the same as the package name of the service class we wrote.

5. copy the Code (including the package) to our client code:

6. Compile the client code:

Java code

Package com. wang. webservice. client;

Import com. wang. webservice. service. HelloService;

Import com. wang. webservice. service. HelloServiceService;

Public class HelloClient {

Public static void main (String [] args ){

/*

* In the WSDL file:

* <Service name = "HelloServiceService">

* Obtain

*/

HelloServiceService hss = new HelloServiceService ();

/*

* In the WSDL file:

* <Port name = "HelloServicePort" binding = "tns: HelloServicePortBinding">

* Obtain

*/

HelloService hs = hss. getHelloServicePort ();

String s = hs. say ();

System. out. println (s );

}

}

Package com. wang. webservice. client; import com. wang. webservice. service. helloService; import com. wang. webservice. service. helloServiceService; public class HelloClient {public static void main (String [] args) {/** In the WSDL file: * <service name = "HelloServiceService"> * Get */HelloServiceService hss = new HelloServiceService ();/** In the WSDL file: * <port name = "HelloServicePort" binding = "tns: HelloServicePortBinding"> * obtain */HelloService hs = hss. getHelloServicePort (); String s = hs. say (); System. out. println (s );}}

7. Run the client program:

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