java工具类-------get请求和post请求

最新推荐文章于 2023-11-27 11:48:59 发布

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最新推荐文章于 2023-11-27 11:48:59 发布

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分类专栏：经验帖工作笔记 java

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本文提供了一个实用的HTTP请求工具类，包括GET和POST两种请求方式的具体实现。通过使用Apache HttpClient库，该工具类能够帮助开发者轻松地发送HTTP请求并获取响应结果。

由于开发的时候用到了，所以也整理了一下，具体代码如下：

  /**
     * @Title: httpGetRequest
     * @Description: httpGet请求
     * @param url
     * @return
     * @throws ParseException
     * @throws IOException
     */
    public static String httpGetRequest(String url) throws ParseException,
            IOException
    {
        CloseableHttpClient client = HttpClients.createDefault();
        HttpGet httpGet = new HttpGet(url);
        String retStr = "";
        HttpResponse response = client.execute(httpGet);
        retStr = EntityUtils.toString(response.getEntity(), "UTF-8");
        logger.info("报文接收时间:" + DateUtil.getCurrentDateTime());
        logger.info("接收内容:" + retStr);
        return retStr;
    }

    /**
     * @Title: httpGetRequest
     * @Description: post请求
     * @param url
     * @return
     * @throws ParseException
     * @throws IOException
     */
    public static String httpPostRequest(String url, String reqData)
            throws ParseException, IOException
    {
        CloseableHttpClient client = HttpClients.createDefault();
        HttpPost httpPost = new HttpPost(url);
        String retStr = "";
        StringEntity re = new StringEntity(reqData, "UTF-8");
        // httpPost.setHeader("Content-Type", "application/xml; charset=UTF-8");
        httpPost.setEntity(re);
        HttpResponse response = client.execute(httpPost);
        retStr = EntityUtils.toString(response.getEntity(), "UTF-8");
        return retStr;
    }

至此，该工具类结束，顺便说一下上面引入的jar文件，如下：

import org.apache.http.HttpResponse;
import org.apache.http.ParseException;
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.HttpClients;
import org.apache.http.util.EntityUtils;