webservice客户端 get delete post 请求

package com.cn.eport.util.common;
 
import java.io.IOException;
import java.util.List;
 
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpDelete;
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.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.apache.log4j.Logger;
import org.apache.poi.ss.formula.functions.T;
import org.springframework.web.client.RestTemplate;
import com.cn.eport.service.Web;
public class webServiceUtil {
static Logger logger = Logger.getLogger(Web.class);
 
/**
* get请求
*
* @return
*/
public static String doGet(String url) {
try {
HttpClient client = new DefaultHttpClient();
// 发送get请求
HttpGet request = new HttpGet(url);
HttpResponse response = client.execute(request);
 
/** 请求发送成功，并得到响应 **/
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
/** 读取服务器返回过来的json字符串数据 **/
String strResult = EntityUtils.toString(response.getEntity());
 
return strResult;
}
} catch (IOException e) {
e.printStackTrace();
}
 
return null;
}
/**
* 相当get请求
*
* @return
*/
public List<T> getPortList() {
// TODO Auto-generated method stub
RestTemplate client = new RestTemplate();
String url = "http://12.123.12.123:8080/abc/abcd";
String portString = client.getForObject(url, String.class);
JsonTools jsonTools = new JsonTools();
String className = "com.cn.eport.pojo.Port";
Class clazz = null;
try {
clazz = Class.forName(className);
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
List<T> portList = jsonTools.jsonToList(portString, clazz);
return portList;
}
// ==================================删除=====================================================
/**
* delete方式提交 接收 路径(路径传参) 成功返回(return "success") 失败返回(return "false")
*
* @throws IOException
* @throws ClientProtocolException
*/
public String delete(String url) throws Exception {
// 创建HttpClient对象
CloseableHttpClient httpclient = HttpClients.createDefault();
// 创建请求方法的实例，并指定请求URL。如果需要发送GET请求，创建HttpGet对象；如果需要发送POST请求，创建HttpPost对象。
HttpDelete httpdelete = new HttpDelete(url);
System.out.println(url);
// 发送HttpDelete请求
HttpResponse httpResponse = httpclient.execute(httpdelete);
// 判断响应结果
CloseableHttpResponse response = null;
String jsonString = null;
try {
response = httpclient.execute(httpdelete);
StatusLine status = response.getStatusLine();
int state = status.getStatusCode();// 获取状态码 2、3开头成功 4、5错误
// 具体网址https://blog.csdn.net/dufufd/article/details/53112184
// 如果服务器成功地返回响应
HttpEntity responseEntity = response.getEntity();
jsonString = EntityUtils.toString(responseEntity);
if (state == HttpStatus.SC_OK) {
System.out.println("state" + state + "接收设置返回值" + jsonString);
// 响应成功返回值
return "success";
} else {
System.out.println("state" + state + "接收设置返回值" + jsonString);
logger.error("请求返回:" + state + "(" + url + ")");
// 响应失败返回值
return "false";
}
} finally {
if (response != null) {
try {
response.close();
} catch (IOException e) {
e.printStackTrace();
}
}
try {
httpclient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
 
// ==================================5.上传=====================================================
/**
* post方式提交(增,改) 传入 访问路径 参数 string(json) 成功返回(return "success") 失败返回(return
* "false") https://blog.csdn.net/wangpeng047/article/details/19624529
* https://blog.csdn.net/qq9808/article/details/78320816
*
* @throws IOException
* @throws ClientProtocolException
*/
public String post(String url, String params) throws ClientProtocolException, IOException {
// 1. 创建HttpClient对象。
CloseableHttpClient httpclient = HttpClients.createDefault();
// 2. 创建请求方法的实例，并指定请求URL。如果需要发送GET请求，创建HttpGet对象；如果需要发送POST请求，创建HttpPost对象。
HttpPost httpPost = new HttpPost(url);// 创建httpPost
httpPost.setHeader("Accept", "application/json");
httpPost.setHeader("Content-Type", "application/json");
String charSet = "UTF-8";
StringEntity entity = new StringEntity(params, charSet);
// 3.如果需要发送请求参数，可调用HttpGet、HttpPost共同的setParams(HetpParams
// params)方法来添加请求参数；对于HttpPost对象而言，也可调用setEntity(HttpEntity entity)方法来设置请求参数。
httpPost.setEntity(entity);
CloseableHttpResponse response = null;
String jsonString = null;
try {
// 4. 调用HttpClient对象的execute(HttpUriRequest request)发送请求，该方法返回一个HttpResponse。
response = httpclient.execute(httpPost);
// 5. 调用HttpResponse的getAllHeaders()、getHeaders(String
// name)等方法可获取服务器的响应头；调用HttpResponse的getEntity()方法可获取HttpEntity对象，该对象包装了服务器的响应内容。程序可通过该对象获取服务器的响应内容。
StatusLine status = response.getStatusLine();
int state = status.getStatusCode();
System.out.println("state=" + state);
if (state == HttpStatus.SC_OK) {
HttpEntity responseEntity = response.getEntity();
jsonString = EntityUtils.toString(responseEntity);
System.out.println("state" + state + "接收设置返回值" + jsonString);
// 响应成功返回值
return "success";
} else {
System.out.println("state" + state + "接收设置返回值" + jsonString);
logger.error("请求返回:" + state + "(" + url + ")");
// 响应失败返回值
return "false";
}
// 6. 释放连接。无论执行方法是否成功，都必须释放连接
} finally {
if (response != null) {
try {
response.close();
} catch (IOException e) {
e.printStackTrace();
}
}
try {
httpclient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
 
}

　　

//===================================================

<!-- https://mvnrepository.com/artifact/org.apache.cxf/cxf-rt-frontend-jaxws -->
<!-- https://mvnrepository.com/artifact/axis/axis -->
<dependency>
<groupId>axis</groupId>
<artifactId>axis</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxws</artifactId>
<version>3.1.6</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.cxf/cxf-core -->
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-core</artifactId>
<version>3.1.6</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.cxf/cxf-rt-transports-http -->
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-transports-http</artifactId>
<version>3.1.6</version>
</dependency>