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httpclient之post 方法(参数为Map类型)

时间:2018-05-22 12:34:28      阅读:874      评论:0      收藏:0      [点我收藏+]

标签:null   apach   exec   协议   ble   buffered   gets   use   new   

package httpclient;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.http.*;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import org.json.JSONObject;

/**
* Created by jiangcui on 2018/5/21.
*/
public class HttpClientPostForMap {
public static void main(String[] args) {

Map<String, Object> map = new HashMap<String, Object>();
map.put("username", "jiangcui");
map.put("password", "chenzx0918");

String url = "https://passport.cnblogs.com/user/signin?ReturnUrl=https%3A%2F%2Fwww.cnblogs.com%2F";
String result = HttpClientPostForMap.doPost(url, map);

System.out.println(result);


}

// 静态方法,类名可直接调用
public static String doPost(String url, Map<String, Object> paramsMap) {
CloseableHttpClient closeableHttpClient = HttpClients.createDefault();
//配置连接超时时间
RequestConfig requestConfig = RequestConfig.custom()
.setConnectTimeout(5000)
.setConnectionRequestTimeout(5000)
.setSocketTimeout(5000)
.setRedirectsEnabled(true)
.build();
HttpPost httpPost = new HttpPost(url);
//设置超时时间
httpPost.setConfig(requestConfig);

//装配post请求参数
List<NameValuePair> list = new ArrayList<NameValuePair>();
for (String key : paramsMap.keySet()) {
list.add(new BasicNameValuePair(key, String.valueOf(paramsMap.get(key))));
}

try {
//将参数进行编码为合适的格式,如将键值对编码为param1=value1&param2=value2
UrlEncodedFormEntity urlEncodedFormEntity = new UrlEncodedFormEntity(list, "utf-8");
httpPost.setEntity(urlEncodedFormEntity);

//执行 post请求
CloseableHttpResponse closeableHttpResponse = closeableHttpClient.execute(httpPost);
String strRequest = "";
if (null != closeableHttpResponse && !"".equals(closeableHttpResponse)) {
System.out.println(closeableHttpResponse.getStatusLine().getStatusCode());
if (closeableHttpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
HttpEntity httpEntity = closeableHttpResponse.getEntity();
strRequest = EntityUtils.toString(httpEntity);
} else {
strRequest = "Error Response" + closeableHttpResponse.getStatusLine().getStatusCode();
}
}
return strRequest;

} catch (ClientProtocolException e) {
e.printStackTrace();
return "协议异常";
} catch (ParseException e) {
e.printStackTrace();
return "解析异常";
} catch (IOException e) {
e.printStackTrace();
return "传输异常";
} finally {
try {
if (closeableHttpClient != null) {
closeableHttpClient.close();
}
} catch (IOException e) {
e.printStackTrace();
}

}
}

}

httpclient之post 方法(参数为Map类型)

标签:null   apach   exec   协议   ble   buffered   gets   use   new   

原文地址:https://www.cnblogs.com/jshtest/p/9070699.html

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