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();

}

}

}

}

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

<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>

<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-core</artifactId>
<version>3.1.6</version>
</dependency>

<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-transports-http</artifactId>
<version>3.1.6</version>
</dependency>

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webservice客户端 get delete post 请求

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