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webservice¿ò¼Üjersey¼òµ¥×ܽá
 
  2546  次浏览      28
 2019-4-10  
 
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±¾ÎÄÀ´×ÔÓÚdyygusi.iteye.com,ÎÄÕÂÖ÷Òª½éÉÜÁËjersey³£ÓÃ×¢½â½âÊÍ£¬¼°Ò»Ð©Ê¹Óð¸ÀýÏêϸ˵Ã÷£¬¸ü¶àÄÚÈÝÇë¿´ÏÂÎÄ¡£

ÏîÄ¿ÖиüÐèҪʹÓõ½webservice£¬¾ßÌåµÄÊÇʹÓÃjersey¡£ÄÇôÊ×ÏÈÐèÒªÁ˽âjerseyºÍwebserviceµÄ¹ØÏµ£¬ÞÛ˳webservice¿ò¼ÜµÄ¸÷ÖÖʵÏÖ£¬Í¨¹ý²éÔÄÏà¹Ø²©¿Í£¬ÎÒ¸öÈË×ܽáwebserviceµÄ½á¹¹Í¼ÈçÏ£º

ͨ¹ýÉÏͼ£¬´ó¸Å¿ÉÒÔÁ˽⵽webserviceºÍjerseyµÄ¹ØÏµÁË£¬È»ºóÎÒÃÇÐèÒªÁ˽âRESTfulÊÇʲô

È»ºó£¬ÖªµÀÁËһЩ¸ÅÄîÉϵ͍Ò壬¾Í¿ÉÒÔ¾ßÌåʹÓÃjersey£¬×Ô¼º×öÁËjerseyDemoÀ´¼òµ¥ËµÃûjerseyµÄʹÓá£ÁíÍ⣬jersey1.XµÄ°æ±¾ÊÇsun¹«Ë¾ÌṩµÄ¶ÀÁ¢µÄjar°ü£¬ÔÚ2.X°æ±¾ÖУ¬ÒѾ­½«jersey·ÅÔÚglassfishÏ¡£Í¬Ê±JavaÒ²Ö§³ÖjerseyµÄwebservice£¬Ö§³ÖwebserviceµÄ×¢½âµÄ°ü¶¼ÔÚjavax.ws.rs.*°üÖС£

jersey³£ÓÃ×¢½â½âÊÍ£º

Annotation ×÷Óà ˵Ã÷
@GET ²éѯÇëÇó Ï൱ÓÚÊý¾Ý¿âµÄ²éѯÊý¾Ý²Ù×÷
@POST ²åÈëÇëÇó Ï൱ÓÚÊý¾Ý¿âµÄ²åÈëÊý¾Ý²Ù×÷
@PUT ¸üÐÂÇëÇó Ï൱ÓÚÊý¾Ý¿âµÄ¸üÐÂÊý¾Ý²Ù×÷
@DELETE ɾ³ýÇëÇó Ï൱ÓÚÊý¾ÝµÄɾ³ýÊý¾Ý²Ù×÷
@Path uri·¾¶ ¶¨Òå×ÊÔ´µÄ·ÃÎÊ·¾¶£¬clientͨ¹ýÕâ¸ö·¾¶·ÃÎÊ×ÊÔ´¡£±ÈÈ磺@Path("user")
@Produces Ö¸¶¨·µ»ØMIME¸ñʽ ×ÊÔ´°´ÕÕÄÇÖÖÊý¾Ý¸ñʽ·µ»Ø£¬¿ÉÈ¡µÄÖµÓУºMediaType.APPLICATION _XXX¡£±ÈÈ磺@Produces (MediaType.APPLICATION _XML)
@Consumes ½ÓÊÜÖ¸¶¨µÄMIME¸ñʽ Ö»ÓзûºÏÕâ¸ö²ÎÊýÉèÖõÄÇëÇóÔÙÄÜ·ÃÎʵ½Õâ¸ö×ÊÔ´¡£±ÈÈç@Consumes("application/x -www-form-urlencoded")
@PathParam uri·¾¶²ÎÊý дÔÚ·½·¨µÄ²ÎÊýÖУ¬»ñµÃÇëÇó·¾¶²ÎÊý¡£±ÈÈ磺@PathParam("username") String userName
@QueryParam uri·¾¶ÇëÇó²ÎÊý дÔÚ·½·¨µÄ²ÎÊýÖУ¬»ñµÃÇëÇó·¾¶¸½´øµÄ²ÎÊý¡£±ÈÈ磺@QueryParam("desc") String desc
@DefaultValue ÉèÖÃ@QueryParam²ÎÊýµÄĬÈÏÖµ Èç¹û@QueryParamûÓнÓÊÕµ½Öµ£¬¾ÍʹÓÃĬÈÏÖµ¡£±ÈÈ磺@DefaultValue ("description") @QueryParam ("desc") String desc
@FormParam form´«µÝµÄ²ÎÊý ½ÓÊÜform´«µÝ¹ýÀ´µÄ²ÎÊý¡£±ÈÈ磺@FormParam("name") String userName
@BeanParam ͨ¹ýBenaµÄÐÎʽ´«µÝ²ÎÊý ½ÓÊÜclient´«µÝµÄbeanÀàÐ͵IJÎÊý£¬Í¬Ê±Õâ¸öbean¿ÉÒÔÔÚÊôÐÔÉÏÅäÖÃ@FormParamÓÃÒÔ½â¾öclientµÄÊôÐÔÃû³ÆºÍbeanµÄÊôÐÔÃû³Æ²»Ò»ÖµÄÎÊÌâ¡£±ÈÈ磺@BeanParam User user
@Context »ñµÃһЩϵͳ»·¾³ÐÅÏ¢ ͨ¹ý@Context¿ÉÒÔ»ñµÃÒÔÏÂÐÅÏ¢£ºUriInfo¡¢ServletConfig¡¢ServletContext ¡¢HttpServletRequest ¡¢HttpServletResponse ºÍHttpHeadersµÈ
@XmlRootElemen ½«beanת»»Îªxml Èç¹ûÒª½²beanÒÔxml»òjsonµÄ¸ñʽ·µ»Ø£¬±ØÐëÒªÕâ¸ö×¢½â¡£±ÈÈ磺
@XmlRootElement

public class User£û...£ý

@XmlElements    
@XmlElement    

JerseyʹÓÃʾÀý£º

1¡¢Ìí¼ÓMavenÒÀÀµ»òÕßµ¼Èëjar°ü

<!--jersey -->

<dependency>

<groupId>org.glassfish.jersey.containers</groupId>

<artifactId>jersey-container-servlet-core</artifactId>

<version>2.13</version>

</dependency>

<!--JAXB API -->

<dependency>

<groupId>javax.xml.ws</groupId>

<artifactId>jaxws-api</artifactId>

<version>2.1</version>

</dependency>

<!-- JsonÖ§³Ö -->

<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>

<!-- ±àÒëÐèÒª£¬tomcatÀïÃæÓÐ -->

<dependency>

<groupId>javax.servlet</groupId>

<artifactId>servlet-api</artifactId>

<version>2.5</version>

<scope>provided</scope>

</dependency>

<!-- ±àÒëÐèÒª£¬tomcatÀïÃæÓÐ -->

 

ûÓÐʹÓÃMavenµÄ¾Í×Ô¼ºÏÂÔØÏàÓ¦µÄjar°ü£¬·Åµ½classpathϾÍÊÇÁË¡£

2¡¢ÐÞ¸Äweb.xml£¬ÅäÖÃjerseyServlet

<servlet>

<servlet-name>JerseyServlet</servlet-name>

<servlet-class> org.glassfish.jersey.servlet.ServletContainer< /servlet-class>

<!-- ÅäÖÃ×Ô¼ºµÄ×ÊÔ´¼ÓÔØÀàÈ¥¼ÓÔØ×ÊÔ´ -->

<init-param>

<param-name>javax.ws.rs.Application </param-name>

<param-value> com.cisdi.jersey.api.ApplicationAPI </param-value>

</init-param>

<!-- ÅäÖÃĬÈϵÄ×ÊÔ´°ü·¾¶£¬Ê¹ÓÃĬÈϵÄÅäÖÃÀàÈ¥¼ÓÔØ×ÊÔ´ -->

<!-- <init-param> -->

<!-- <param-name> jersey.config.server.provider.packages </param-name> -->

<!-- < param-value> com.cisdi.jersey.api </param-value> -->

<!-- </init-param> -->

<load-on-startup>1</load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>JerseyServlet</servlet-name>

<url-pattern>/api/*</url-pattern>

</servlet-mapping>

 

ÉÏÃæÓÐÁ½ÖÖ¼ÓÔØ×ÊÔ´µÄ·½Ê½£¬Ò»ÖÖÊÇʹÓÃ×Ô¼ºµÄ×ÊÔ´¼ÓÔØÆ÷È¥¼ÓÔØ×ÊÔ´£¬ÐèÒª¸ø³ö×Ô¼º×ÊÔ´¼ÓÔØÆ÷µÄλÖá£ÁíÒ»ÖÖÊÇʹÓÃĬÈϵÄ×ÊÔ´¼ÓÔØÆ÷¼ÓÔØ£¬ÐèÒª¸ø³ö×ÊÔ´ËùÔÚµÄpackage¡£¸öÈËÖ÷ÕŵÚÒ»ÖÖ£¬Ð´Ò»¸ö×Ô¼ºµÄ×ÊÔ´¼ÓÔØÆ÷È¥¼ÓÔØÏëÒª¼ÓÔØµÄ×ÊÔ´£¬ÕâÑù¸Ð¾õ¿É¿ØÐÔǿһµã£¬½ÓÏÂÀ´»á½éÉÜÕâ¸ö×ÊÔ´¼ÓÔØÆ÷ÈçºÎ±àд¡£

3¡¢±àд×Ô¼ºµÄ×ÊÔ´¼ÓÔØÆ÷

public class ApplicationAPI extends ResourceConfig {

public ApplicationAPI() {

// ¼ÓÔØresources

register(HelloResource.class);

register(UserResource.class);

// ×¢²áÊý¾Ýת»»Æ÷

register(JacksonJsonProvider.class);

// ×¢²áÈÕÖ¾

register(LoggingFilter.class);

}

}

 

Õâ¸öÀà¾ÍÊǽ«¸÷ÖÖ×ÊÔ´¼ÓÔØ½øÀ´£¬±©Â¶¸øclient¡£Ö®Ç°ËµµÀʹÓÃ×Ô¼ºµÄ×ÊÔ´¼ÓÔØÆ÷¿É¿ØÐÔÇ¿µÄÌØµã¾ÍÊÇ¿ÉÒÔ³ýÁ˼ÓÔØÒµÎñ×ÊÔ´ÒÔÍ⣬»¹¿ÉÒÔ¼ÓÔØÈÕ×ÓºÍÆäËûµÄÐèҪһЩ¹¤¾ß×ÊÔ´µÈµÈ¡£»òÕßpackageϵÄij¸ö×ÊÔ´²»Ïë±»±©Â¶£¬¾Í²»Òª¼ÓÔØ½øÀ´¾Í¿ÉÒÔÁË¡£

4¡¢Êéд×Ô¼ºµÄ×ÊÔ´

ÏÈŪÁËÒ»¸ö¼òµ¥µÄ×ÊÔ´£¬HelloResource

@Path("/hello")

public class HelloResource {

@GET

@Produces(MediaType.TEXT_PLAIN)

public String sayHello() {

return "hello jersey!";

}

}

 

½Ó×Å¿ÉÒÔŪ¸ö¸´ÔÓµãµÃ¶ÔÏó×ÊÔ´£¬UserResource

@XmlRootElement

public class User {

private int id;

@FormParam("name")

private String userName;

@FormParam("desc")

private String desc;

Setter/Getter...

}

 

ÏÂÃæ¾ÍÊÇUserResourceµÄ¸÷¸ö·½·¨

@Path("user")

public class UserResource {

//Õâ¸öÀàµÄ·½·¨¶¼ÔÚÏÂÃæ
£ý

//Õâ¸ö·½·¨Ö÷Òª½éÉÜ@GET£¬@Path£¬@Produces£¬@PathParam£¬@DefaultValue£¬@QueryParam×¢½âµÄʹÓÃ

@GET

@Path("{username}")

@Produces(MediaType.APPLICATION_XML)

// @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })

public User getUser(@PathParam("username") String userName, @DefaultValue("description") @QueryParam("desc") String desc) {

User user = new User();

user.setId(new Random().nextInt());

user.setUserName(userName);

user.setDesc(desc);

return user;

}

//·ÃÎÊ·¾¶£º{host}:{port}/{serviceName}/api/user/username?desc=xxx ;username¿ÉÒÔËæ±ãд

//Õâ¸ö·½·¨Ö÷Òª½éÉÜ@POST£¬@Consumes,@FormParam×¢½âµÄʹÓÃ

@POST

@Path("updateUser")

@Consumes("application/x-www-form-urlencoded")

public void updateUser(@FormParam("name") String userName, @FormParam("desc") String desc) {

User user = new User();

user.setId(1);

user.setUserName(userName);

user.setDesc(desc);

System.out.println(user);

}

//·ÃÎÊ·¾¶£º{host}:{port}/{serviceName}/api/user/updateUser;Õâ¸öÊÇͨ¹ýÌá½»±íµ¥·ÃÎʵÄ

//Õâ¸ö·½·¨Ö÷Òª½éÉÜ@BeanParamµÄʹÓÃ

@POST

@Path("updateUser1")

@Produces(MediaType.APPLICATION_XML)

@Consumes("application/x-www-form-urlencoded")

public User updateUser1(@BeanParam User user) {

//×¢ÒâÕâ¸ö·½·¨ÐèÒªÔÚUserÕâ¸öbeanÖÐʹÓÃ@FromParam×¢½â

System.out.println(user);

return user;

}

//·ÃÎÊ·¾¶£º{host}:{port}/{serviceName}/api/user/updateUser1;Õâ¸öÊÇͨ¹ýÌá½»±íµ¥·ÃÎʵÄ

//Õâ¸ö·½·¨Ö÷Òª½éÉÜ@Context×¢½âµÄʹÓÃ

@Context

HttpServletRequest request;

@Context

HttpServletResponse response;

@Context

ServletConfig servletConfig;

@Context

ServletContext servletContext;

@Context

HttpHeaders header;

@Context

UriInfo info;

@GET

@Path("/test/{param}")

@Produces(MediaType.APPLICATION_XML)

public User getContext() {

MultivaluedMap<String, String> queryParameters = info.getQueryParameters();

MultivaluedMap<String, String> pathParameters = info.getPathParameters();

System.out.println(queryParameters);

System.out.println(pathParameters);

System.out.println(this.request);

System.out.println(this.response);

System.out.println(this.servletConfig);

System.out.println(this.servletContext);

System.out.println(this.header);

System.out.println(this.info);

return new User(1, "gusi");

}

//·ÃÎÊ·¾¶£º{host}:{port}/{serviceName}/api/user/test/xxx?xxx=xxx&xxx=xxx;xxx¶¼ÊÇ¿ÉÒÔÂÒдµÄ

˵Ã÷£ºÊ¹ÓÃÕâÖÖ·½Ê½ÓкܴóµÄ×÷Ó㬵±ÎÒÃDz»ÖªµÀclient´«µÝ¹ýÀ´µÄ²ÎÊýÃû³Æ£¬»òÕßclient´«µÝ¹ýÀ´µÄ²ÎÊý¾­³£±ä»¯£¬

ÄÇôÎÒÃǾͿÉÒÔʹÓÃÕâÑù·½Ê½¶¯Ì¬µÄ»ñµÃ´«µÝ¸øserviceµÄ²ÎÊý£¬È»ºóÔÙ½øÐкóÐøµÄ´¦Àí

5¡¢Í¨¹ýclient³ÌÐò·ÃÎÊwebservice

ÉÏÃæÎÒÃÇ¿ÉÒÔÖ±½Óͨ¹ýä¯ÀÀÆ÷µÄµØÖ··ÃÎÊwebservice£¬´ËÍ⻹¿ÉÒÔͨ¹ýרÃŵĿͻ§¶Ë³ÌÐò·ÃÎÊ£¬³ÌÐòÈçÏ£º

public class UserClient {

private static String serverURI = "http://localhost:8080/jerseyDemo/api/user";

public static void getContext() {

Client client = ClientBuilder.newClient();

WebTarget target = client.target(serverURI + "/test/context?one='abc'&two=2");

Response response = target.request().get();

response.close();

}

public static void addUser() {

User user1 = new User(1, "name1", "desc1");

User user2 = new User(2, "name2", "desc2");

Client client = ClientBuilder.newClient();

WebTarget target = client.target(serverURI + "");

Response response = null;

target.request().buildPost(Entity.entity(user1, MediaType.APPLICATION_XML)).invoke();

response = target.request().buildPost(Entity.entity(user2, MediaType.APPLICATION_XML)).invoke();

response.close();

}

public static void deleteUser() {

Client client = ClientBuilder.newClient();

WebTarget target = client.target(serverURI + "/1");

Response response = target.request().delete();

response.close();

}

public static void updateUser() {

User user = new User(1, "nameA", "descA");

Client client = ClientBuilder.newClient();

WebTarget target = client.target(serverURI + "");

Response response = target.request().buildPut(Entity.entity(user, MediaType.APPLICATION_XML)).invoke();

response.close();

}

public static void getUserById() {

Client client = ClientBuilder.newClient();

// client.register(JacksonJsonProvider.class);

WebTarget target = client.target(serverURI + "/1");

Response response = target.request().get();

User user = response.readEntity(User.class);

System.out.println(user);

response.close();

}

public static void getAllUser() {

Client client = ClientBuilder.newClient();

WebTarget target = client.target(serverURI + "");

Response response = target.request().get();

String value = response.readEntity(String.class);

System.out.println(value);

response.close();

}

}

 

 

ÉÏÃæ·Ö±ðÑÝʾÁËͨ¹ýClient³ÌÐò¸øService·¢ËÍPOST£¬PUT£¬DELETE£¬GETÇëÇó¡£

6¡¢²âÊÔ

ʹÓÃjunitµ¥Ôª²âÊÔ£¬·Ö±ð²âÊÔ·¢ËͲ»Í¬µÄÇëÇó

public class UserClientTest {

@Test

public void testContext() {

UserClient.getContext();

}

@Test

public void testAddUser() {

UserClient.addUser();

}

@Test

public void testDeleteUser() {

UserClient.deleteUser();

}

@Test

public void testUpdateUser() {

UserClient.updateUser();

}

@Test

public void testGetUser() {

UserClient.getUserById();

}

@Test

public void testGetAllUser() {

UserClient.getAllUser();

}

}

 

ͨ¹ýÉÏÃæµÄ6¸ö²½Ö裬¾Í¿ÉÒ»¼òµ¥µÄʵÏÖwebserviceµÄ»ù±¾Ê¹Óá£

   
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