jianDemo_leader/src/main/java/com/jeeplus/modules/sys/web/HttpResponse.java

package com.jeeplus.modules.sys.web;

import org.apache.http.Consts;
import org.apache.http.HttpEntity;
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.ContentType;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.Map;

/**
 * @author wang_xy
 * @description
 * @Version 1.0
 * @params
 * @return
 * @since 2022/9/15 10:22
 */
public class HttpResponse {

    public static String doPostFile2(String url, Map<String, String> param, File file) {
        // 创建Httpclient对象
        CloseableHttpClient httpClient = HttpClients.createDefault();
        String resultString = "";
        CloseableHttpResponse response = null;
        HttpPost httppost = new HttpPost(url);
        try {
            // HttpMultipartMode.RFC6532参数的设定是为避免文件名为中文时乱码
            MultipartEntityBuilder builder = MultipartEntityBuilder.create().setMode(HttpMultipartMode.RFC6532);
            // 设置请求的编码格式
            builder.setCharset(Consts.UTF_8);
            builder.setContentType(ContentType.MULTIPART_FORM_DATA);
            // 添加文件,也可以添加字节流
			builder.addBinaryBody("file", file);
            //或者使用字节流也行,根据具体需要使用
//            builder.addBinaryBody("file", Files.readAllBytes(file.toPath()),ContentType.APPLICATION_OCTET_STREAM,file.getName());
//             或者builder.addPart("file",new FileBody(file));
            // 添加参数
            if (param != null) {
                for (String key : param.keySet()) {
                    builder.addTextBody(key, param.get(key));
                }
            }
            HttpEntity reqEntity = builder.build();
            httppost.setEntity(reqEntity);
            // 设置超时时间
            httppost.setConfig(getConfig());
            response = httpClient.execute(httppost);
            resultString = EntityUtils.toString(response.getEntity(), "GBK");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                response.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        return resultString;
    }

    private static RequestConfig getConfig() {
        return RequestConfig.custom().setConnectionRequestTimeout(60000).setSocketTimeout(120000)
                .setConnectTimeout(60000).build();
    }
}