HttpClient文件上传和多个参数

package com.zfsoft.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.Charset;

import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class HttpClientReport {
    private static Logger log = LoggerFactory.getLogger(HttpClientReport.class);
    /**
     * 文件上传
     * @param url
     * @param filePath
     * @param fileName
     * @return
     * @throws ClientProtocolException
     * @throws IOException
     */
    public static String upload2(final String url, String filePath,String fileName) throws ClientProtocolException, IOException {
        CloseableHttpClient httpClient = HttpClientBuilder.create().build();
        CloseableHttpResponse httpResponse = null;
        RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(200000).setSocketTimeout(200000000).build();
        HttpPost httpPost = new HttpPost(url);
        httpPost.setConfig(requestConfig);
        MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder.create();

        multipartEntityBuilder.setCharset(Charset.forName("UTF-8"));

        File file = new File(filePath);
        multipartEntityBuilder.addBinaryBody(fileName, file);

        //multipartEntityBuilder.addBinaryBody("file", file,ContentType.create("image/png"),"abc.pdf");
        //当设置了setSocketTimeout参数后，以下代码上传PDF不能成功，将setSocketTimeout参数去掉后此可以上传成功。上传图片则没有个限制
        //multipartEntityBuilder.addBinaryBody("file",file,ContentType.create("application/octet-stream"),"abd.pdf");

        // multipartEntityBuilder.addTextBody("comment", "this is comment");

//        if (null != params && params.size() > 0) {
//            for (Map.Entry<String, String> entry : params.entrySet()) {
//                multipartEntityBuilder.addTextBody(entry.getKey(), entry.getValue(), ContentType.create("text/plain", Charset.forName("UTF-8")));
//            }
//        }

        HttpEntity httpEntity = multipartEntityBuilder.build();
        httpPost.setEntity(httpEntity);

        httpResponse = httpClient.execute(httpPost);
        HttpEntity responseEntity = httpResponse.getEntity();
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        if (statusCode == 200) {
            BufferedReader reader = new BufferedReader(new InputStreamReader(responseEntity.getContent()));
            StringBuffer buffer = new StringBuffer();
            String str = "";
            while (!StringUtils.isEmpty(str = reader.readLine())) {
                buffer.append(str);
            }

            return buffer.toString();
        }

        httpClient.close();
        if (httpResponse != null) {
            httpResponse.close();
        }
        return null;
    }
    

}