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）