基于Restful接口調(diào)用方法總結(jié)(超詳細(xì))
更新時(shí)間：2017年08月08日 09:17:40 投稿：jingxian
下面小編就為大家?guī)?lái)一篇基于Restful接口調(diào)用方法總結(jié)(超詳細(xì))。小編覺(jué)得挺不錯(cuò)的，現(xiàn)在就分享給大家，也給大家做個(gè)參考。一起跟隨小編過(guò)來(lái)看看吧
由于在實(shí)際項(xiàng)目中碰到的restful服務(wù)，參數(shù)都以json為準(zhǔn)。這里我獲取的接口和傳入的參數(shù)都是json字符串類型。發(fā)布restful服務(wù)可參照文章 Jersey實(shí)現(xiàn)Restful服務(wù)(實(shí)例講解)，以下接口調(diào)用基于此服務(wù)。
基于發(fā)布的Restful服務(wù)，下面總結(jié)幾種常用的調(diào)用方法。
(1)Jersey API
package com.restful.client;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.restful.entity.PersonEntity;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import javax.ws.rs.core.MediaType;
/**
* Created by XuHui on 2017/8/7.
*/
public class JerseyClient {
private static String REST_API = "http://localhost:8080/jerseyDemo/rest/JerseyService";
public static void main(String[] args) throws Exception {
getRandomResource();
addResource();
getAllResource();
}
public static void getRandomResource() {
Client client = Client.create();
WebResource webResource = client.resource(REST_API + "/getRandomResource");
ClientResponse response = webResource.type(MediaType.APPLICATION_JSON).accept("application/json").get(ClientResponse.class);
String str = response.getEntity(String.class);
System.out.print("getRandomResource result is : " + str + "\n");
}
public static void addResource() throws JsonProcessingException {
Client client = Client.create();
WebResource webResource = client.resource(REST_API + "/addResource/person");
ObjectMapper mapper = new ObjectMapper();
PersonEntity entity = new PersonEntity("NO2", "Joker", "http://");
ClientResponse response = webResource.type(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON).post(ClientResponse.class, mapper.writeValueAsString(entity));
System.out.print("addResource result is : " + response.getEntity(String.class) + "\n");
}
public static void getAllResource() {
Client client = Client.create();
WebResource webResource = client.resource(REST_API + "/getAllResource");
ClientResponse response = webResource.type(MediaType.APPLICATION_JSON).accept("application/json").get(ClientResponse.class);
String str = response.getEntity(String.class);
System.out.print("getAllResource result is : " + str + "\n");
}
}
結(jié)果：
getRandomResource result is : {"id":"NO1","name":"Joker","addr":"http:///"}
addResource result is : {"id":"NO2","name":"Joker","addr":"http://"}
getAllResource result is : [{"id":"NO2","name":"Joker","addr":"http://"}]
(2)HttpURLConnection
package com.restful.client;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.restful.entity.PersonEntity;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
/**
* Created by XuHui on 2017/8/7.
*/
public class HttpURLClient {
private static String REST_API = "http://localhost:8080/jerseyDemo/rest/JerseyService";
public static void main(String[] args) throws Exception {
addResource();
getAllResource();
}
public static void addResource() throws Exception {
ObjectMapper mapper = new ObjectMapper();
URL url = new URL(REST_API + "/addResource/person");
HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
httpURLConnection.setDoOutput(true);
httpURLConnection.setRequestMethod("POST");
httpURLConnection.setRequestProperty("Accept", "application/json");
httpURLConnection.setRequestProperty("Content-Type", "application/json");
PersonEntity entity = new PersonEntity("NO2", "Joker", "http://");
OutputStream outputStream = httpURLConnection.getOutputStream();
outputStream.write(mapper.writeValueAsBytes(entity));
outputStream.flush();
BufferedReader reader = new BufferedReader(new InputStreamReader(httpURLConnection.getInputStream()));
String output;
System.out.print("addResource result is : ");
while ((output = reader.readLine()) != null) {
System.out.print(output);
}
System.out.print("\n");
}
public static void getAllResource() throws Exception {
URL url = new URL(REST_API + "/getAllResource");
HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
httpURLConnection.setRequestMethod("GET");
httpURLConnection.setRequestProperty("Accept", "application/json");
BufferedReader reader = new BufferedReader(new InputStreamReader(httpURLConnection.getInputStream()));
String output;
System.out.print("getAllResource result is :");
while ((output = reader.readLine()) != null) {
System.out.print(output);
}
System.out.print("\n");
}
}
結(jié)果：
addResource result is : {"id":"NO2","name":"Joker","addr":"http://"}
getAllResource result is :[{"id":"NO2","name":"Joker","addr":"http://"}]
(3)HttpClient
package com.restful.client;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.restful.entity.PersonEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
/**
* Created by XuHui on 2017/8/7.
*/
public class RestfulHttpClient {
private static String REST_API = "http://localhost:8080/jerseyDemo/rest/JerseyService";
public static void main(String[] args) throws Exception {
addResource();
getAllResource();
}
public static void addResource() throws Exception {
HttpClient httpClient = new DefaultHttpClient();
PersonEntity entity = new PersonEntity("NO2", "Joker", "http://");
ObjectMapper mapper = new ObjectMapper();
HttpPost request = new HttpPost(REST_API + "/addResource/person");
request.setHeader("Content-Type", "application/json");
request.setHeader("Accept", "application/json");
StringEntity requestJson = new StringEntity(mapper.writeValueAsString(entity), "utf-8");
requestJson.setContentType("application/json");
request.setEntity(requestJson);
HttpResponse response = httpClient.execute(request);
String json = EntityUtils.toString(response.getEntity());
System.out.print("addResource result is : " + json + "\n");
}
public static void getAllResource() throws Exception {
HttpClient httpClient = new DefaultHttpClient();
HttpGet request = new HttpGet(REST_API + "/getAllResource");
request.setHeader("Content-Type", "application/json");
request.setHeader("Accept", "application/json");
HttpResponse response = httpClient.execute(request);
String json = EntityUtils.toString(response.getEntity());
System.out.print("getAllResource result is : " + json + "\n");
}
}
結(jié)果：
addResource result is : {"id":"NO2","name":"Joker","addr":"http://"}
getAllResource result is : [{"id":"NO2","name":"Joker","addr":"http://"}]
maven：
<dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.1.2</version> </dependency>
(4)JAX-RS API
package com.restful.client;
import com.restful.entity.PersonEntity;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.io.IOException;
/**
* Created by XuHui on 2017/7/27.
*/
public class RestfulClient {
private static String REST_API = "http://localhost:8080/jerseyDemo/rest/JerseyService";
public static void main(String[] args) throws Exception {
getRandomResource();
addResource();
getAllResource();
}
public static void getRandomResource() throws IOException {
Client client = ClientBuilder.newClient();
client.property("Content-Type","xml");
Response response = client.target(REST_API + "/getRandomResource").request().get();
String str = response.readEntity(String.class);
System.out.print("getRandomResource result is : " + str + "\n");
}
public static void addResource() {
Client client = ClientBuilder.newClient();
PersonEntity entity = new PersonEntity("NO2", "Joker", "http://");
Response response = client.target(REST_API + "/addResource/person").request().buildPost(Entity.entity(entity, MediaType.APPLICATION_JSON)).invoke();
String str = response.readEntity(String.class);
System.out.print("addResource result is : " + str + "\n");
}
public static void getAllResource() throws IOException {
Client client = ClientBuilder.newClient();
client.property("Content-Type","xml");
Response response = client.target(REST_API + "/getAllResource").request().get();
String str = response.readEntity(String.class);
System.out.print("getAllResource result is : " + str + "\n");
}
}
結(jié)果：
getRandomResource result is : {"id":"NO1","name":"Joker","addr":"http:///"}
addResource result is : {"id":"NO2","name":"Joker","addr":"http://"}
getAllResource result is : [{"id":"NO2","name":"Joker","addr":"http://"}]
(5)webClient
package com.restful.client;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.restful.entity.PersonEntity;
import org.apache.cxf.jaxrs.client.WebClient;
import javax.ws.rs.core.Response;
/**
* Created by XuHui on 2017/8/7.
*/
public class RestfulWebClient {
private static String REST_API = "http://localhost:8080/jerseyDemo/rest/JerseyService";
public static void main(String[] args) throws Exception {
addResource();
getAllResource();
}
public static void addResource() throws Exception {
ObjectMapper mapper = new ObjectMapper();
WebClient client = WebClient.create(REST_API)
.header("Content-Type", "application/json")
.header("Accept", "application/json")
.encoding("UTF-8")
.acceptEncoding("UTF-8");
PersonEntity entity = new PersonEntity("NO2", "Joker", "http://");
Response response = client.path("/addResource/person").post(mapper.writeValueAsString(entity), Response.class);
String json = response.readEntity(String.class);
System.out.print("addResource result is : " + json + "\n");
}
public static void getAllResource() {
WebClient client = WebClient.create(REST_API)
.header("Content-Type", "application/json")
.header("Accept", "application/json")
.encoding("UTF-8")
.acceptEncoding("UTF-8");
Response response = client.path("/getAllResource").get();
String json = response.readEntity(String.class);
System.out.print("getAllResource result is : " + json + "\n");
}
}
結(jié)果：
addResource result is : {"id":"NO2","name":"Joker","addr":"http://"}
getAllResource result is : [{"id":"NO2","name":"Joker","addr":"http://"}
maven：
<dependency> <groupId>org.apache.cxf</groupId> <artifactId>cxf-bundle-jaxrs</artifactId> <version>2.7.0</version> </dependency>
注：該jar包引入和jersey包引入有沖突，不能在一個(gè)工程中同時(shí)引用。
以上這篇基于Restful接口調(diào)用方法總結(jié)(超詳細(xì))就是小編分享給大家的全部?jī)?nèi)容了，希望能給大家一個(gè)參考，也希望大家多多支持腳本之家。
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