HttpRequestUtils post get请求

 package com.nextjoy.projects.usercenter.util.http; /**
  * Created by Administrator on 2016/10/20.
  */
 import org.apache.http.HttpResponse;
 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.params.CoreConnectionPNames;
 import org.apache.http.util.EntityUtils;

 import java.io.IOException;
 import java.net.URLDecoder;

 public class HttpRequestUtils {
     /**
      * httpPost
      * @param url  路径
      * @param jsonParam 参数
      * @return
      */
     public static String httpPost(String url, String jsonParam){
         return httpPost(url, jsonParam, false);
     }

     /**
      * post请求
      * @param url         url地址
      * @param jsonParam     参数
      * @param noNeedResponse    不需要返回结果
      * @return
      */
     public static String httpPost(String url, String jsonParam, boolean noNeedResponse){
         //post请求返回结果
         DefaultHttpClient httpClient = new DefaultHttpClient();
         String res = "";
         HttpPost method = new HttpPost(url);
         try {
             httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 50000);
             httpClient.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT, 50000);
             if (null != jsonParam) {
                 //解决中文乱码问题
                 StringEntity entity = new StringEntity(jsonParam.toString(), "utf-8");
                 entity.setContentEncoding("UTF-8");
                 entity.setContentType("application/json");
                 method.setEntity(entity);
             }
             HttpResponse result = httpClient.execute(method);
             url = URLDecoder.decode(url, "UTF-8");
             /**请求发送成功，并得到响应**/
             if (result.getStatusLine().getStatusCode() == 200) {
                 try {
                     /**读取服务器返回过来的json字符串数据**/
                     res = EntityUtils.toString(result.getEntity());
                     if (noNeedResponse) {
                         return null;
                     }
                 } catch (Exception e) {
                     System.out.println("post请求响应失败:" + url);
                 }
             }
         } catch (IOException e) {
             System.out.println("post请求提交失败:" + url);
         }
         return res;
     }

     /**
      * 发送get请求
      * @param url    路径
      * @return
      */
     public static String httpGet(String url){
         //get请求返回结果
         String res = "";
         try {
             DefaultHttpClient client = new DefaultHttpClient();
             client.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 50000);
             client.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT, 50000);
             //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() == 200) {
                 /**读取服务器返回过来的json字符串数据**/
                 res = EntityUtils.toString(response.getEntity());
                 url = URLDecoder.decode(url, "UTF-8");
             } else {
                 System.out.println("post请求提交失败:" + url);
             }
         } catch (IOException e) {
             System.out.println("post请求提交失败:" + url);
         }
         return res;
     }

     public static void main(String[] args) {
         String str = "{\"receipt-data\":\"MIITygYJKoZIhvcNAQcCoIITuzCCE7cCAQExCzAJBgUrDgMCGgUAMIIDawYJKoZIhvcNAQcBoIIDXASCA1gxggNUMAoCAQgCAQEEAhYAMAoCARQCAQEEAgwAMAsCAQECAQEEAwIBADALAgEDAgEBBAMMATEwCwIBCwIBAQQDAgEAMAsCAQ4CAQEEAwIBeDALAgEPAgEBBAMCAQAwCwIBEAIBAQQDAgEAMAsCARkCAQEEAwIBAzAMAgEKAgEBBAQWAjQrMA0CAQ0CAQEEBQIDAa2yMA0CARMCAQEEBQwDMS4wMA4CAQkCAQEEBgIEUDI1MDAYAgEEAgECBBATuifw5XP6GoZIgBahDxWaMBsCAQACAQEEEwwRUHJvZHVjdGlvblNhbmRib3gwHAIBBQIBAQQUstsB Xk3UbkwRJ3bu9Z/okz749kwHgIBDAIBAQQWFhQyMDE4LTA0LTE5VDA4OjU5OjU4WjAeAgESAgEBBBYWFDIwMTMtMDgtMDFUMDc6MDA6MDBaMCACAQICAQEEGAwWam95Lk5leHRqb3lTREtEZW1vLmNvbTA9AgEHAgEBBDXidk/VrGzS8WSU1J0BDdgvRsqRp NrmWJCqzIiTczAUdadruCsIP6aH9wBRxaKXzzpwtcS zBYAgEGAgEBBFA8U1hKBsHQwUWPSU0ukesf8UF/BzYQ3bwsTslxhrNJQ9D94gIhanzhyf5QMBn/JnaWbvR hP6 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         String url = "https://sandbox.itunes.apple.com/verifyReceipt";
         String result = HttpRequestUtils.httpPost(url, str);
         System.out.println(result);
     }
 }

注：需要httpclient.jar依赖包（这里是版本4.3以上）