HTTPPOST 发送JSON格式参数

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我是靠谱客的博主美满皮卡丘，最近开发中收集的这篇文章主要介绍HTTPPOST 发送JSON格式参数，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

package cn.jiankang51.hsps.svc.app.chat;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;

import org.apache.commons.lang.exception.ExceptionUtils;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import org.apache.log4j.Logger;

import cn.jiankang51.hsps.pay.util.Sha1Util;
import net.sf.json.JSONObject;

/**
*
* ChatHttpClientUtils
* 与融云的http通信工具类
* 1.post请求
* 2.get请求
* AL
* 2015年5月15日上午9:31:23
*
* @version 1.0.0
*
*/
public class ChatHttpClientUtils
{
    public static final String APP_KEY = "pwe86ga5eljj6";

    public static final String APP_SECRET = "eEv9vNiS1y5Qrh";

    private static final Logger logger = Logger.getLogger(ChatHttpClientUtils.class);

    public static void wrapRequestHeader(HttpPost post)
    {
        String nonceStr = Sha1Util.getNonceStr();
        String timeStamp = Sha1Util.getTimeStamp();
        String signature = Sha1Util.getSha1(APP_SECRET + nonceStr + timeStamp);
        post.setHeader("App-Key", APP_KEY);
        post.setHeader("Nonce", nonceStr);
        post.setHeader("Timestamp", timeStamp);
        post.setHeader("Signature", signature);
        /*Set<Entry<String, String>> entrySet = reqJson.entrySet();
        //设置参数
        for(Entry<String, String> entry : entrySet){
            post.setParameter(entry.getKey(), entry.getValue());
        }*/
    }

    /**
     * 调用 API
     * @param parameters
     * @return
     */
    @SuppressWarnings("unchecked")
    public static String post(JSONObject reqJson, String uri)
    {
        String body = null;
        HttpPost method = new HttpPost(uri);
        HttpClient httpClient = new DefaultHttpClient();
        logger.info("json:" + reqJson.toString());
        try
        {
            wrapRequestHeader(method);
            List<NameValuePair> params = new ArrayList<NameValuePair>();
            //建立一个NameValuePair数组，用于存储欲传送的参数
            Set<Entry<String, String>> set = reqJson.entrySet();
            for(Entry<String, String> entry : set){
                params.add(new BasicNameValuePair(entry.getKey(),entry.getValue() ));
            }
            //添加参数
            method.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));
            //设置编码
            HttpResponse response = httpClient.execute(method);
            int statusCode = response.getStatusLine().getStatusCode();
            logger.info("statusCode:" + statusCode);
            if (statusCode != HttpStatus.SC_OK)
            {
                logger.error("Method failed:" + response.getStatusLine());
            }

            //Read the response body
            body = EntityUtils.toString(response.getEntity());

        }
        catch (IOException e)
        {
            //发生网络异常
            logger.error("exception occurred!n" + ExceptionUtils.getFullStackTrace(e));
            //网络错误
        }
        return body;
    }

    public static void main(String[] args)
    {
        // System.out.println(Sha1Util.getSha1("eEv9vNiS1y5Qrh"+"910655241"+"1431662048"));
        JSONObject reqJson = new JSONObject();
        reqJson.put("userId", "0034");
        System.out.println(post(reqJson, "https://api.cn.rong.io/user/getToken.json"));
    }
}