Summary of common annotations of WebService

< td>@GET

< td align="left">accepts the bean type parameters passed by the client. At the same time, the bean can be configured with @FormParam on the attribute to solve the problem of inconsistency between the client’s attribute name and the bean’s attribute name. For example: @BeanParam User user

Annotation	Function	Description
Query request	Equivalent to database query data operation
@POST	Insert request	Equivalent to database insert data operation
@PUT	Update request	Equivalent to database update data operation
@ DELETE	Deletion request	Equivalent to data deletion operation
@Path	uri path	defines the resource access path through which the client accesses the resource. For example: @Path(“user”)
@Produces	Specify the return MIME format	Resources are returned according to that data format, and the possible values ​​are: MediaType.APPLICATION_XXX. For example: @Produces(MediaType.APPLICATION_XML)
@Consumes	accepts the specified MIME format	Only requests that meet this parameter setting can access this resource again. For example @Consumes(“application/x-www-form-urlencoded”)
@PathParam	uri path parameter	is written in the method parameters to obtain the request path parameters. For example: @PathParam(“username”) String userName
@QueryParam	uri path request parameter	Written in the parameters of the method to obtain the parameters attached to the request path. For example: @QueryParam(“desc”) String desc
@DefaultValue	Set the default value of @QueryParam parameters	If @QueryParam does not receive a value, the default value is used. For example: @DefaultValue(“description”) @QueryParam(“desc”) String desc
@FormParam	form passed parameters	Accept the parameters passed by the form. For example: @FormParam(“name”) String userName
@BeanParam	Pass parameters in the form of Bena
@Context	Get some system environment information	The following information can be obtained through @Context: UriInfo, ServletConfig, ServletContext, HttpServletRequest, HttpServletResponse, HttpHeaders, etc.
@XmlRootElement	will Convert bean to xml	If you want to return the bean in xml or json format, this annotation is required. For example: @XmlRootElementpublic class User{…}
@XmlElements		< /td>
@XmlElement