Java模拟form表单提交，模拟表单包含文件提交。Java后台上传px4文件

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package com.yuneecuc.base;

import java.io.File;
import java.io.IOException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.http.Consts;
import org.apache.http.Header;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;

public class HttpClientUtil {

    public static void main(String[] args) {
        // 创建一个表单
        MultipartEntityBuilder entityBuilder = MultipartEntityBuilder.create();
        entityBuilder.addPart("type", new StringBody("personal", ContentType.create("text/plain", Consts.UTF_8)));
        entityBuilder.addPart("description", new StringBody("", ContentType.create("text/plain", Consts.UTF_8)));
        entityBuilder.addPart("feedback", new StringBody("", ContentType.create("text/plain", Consts.UTF_8)));
        entityBuilder.addPart("email", new StringBody("", ContentType.create("text/plain", Consts.UTF_8)));
        File photoFile = new File("C:\\Users\\yuneec-lk\\Desktop\\1.ulg");
        entityBuilder.addPart("filearg", new FileBody(photoFile));

        try {
            String url = "https://logs.px4.io/upload";
            String body = "";
            body = send(url, "utf-8", entityBuilder);
            System.out.println("交易响应结果：");
            System.out.println(body);
            System.out.println("-----------------------------------");

        } catch (KeyManagementException | NoSuchAlgorithmException | IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

    public static SSLContext createIgnoreVerifySSL() throws NoSuchAlgorithmException, KeyManagementException {
        SSLContext sc = SSLContext.getInstance("SSLv3");

        // 实现一个X509TrustManager接口，用于绕过验证，不用修改里面的方法
        X509TrustManager trustManager = new X509TrustManager() {
            @Override
            public void checkClientTrusted(java.security.cert.X509Certificate[] paramArrayOfX509Certificate,
                    String paramString) throws CertificateException {
            }

            @Override
            public void checkServerTrusted(java.security.cert.X509Certificate[] paramArrayOfX509Certificate,
                    String paramString) throws CertificateException {
            }

            @Override
            public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                return null;
            }
        };

        sc.init(null, new TrustManager[] { trustManager }, null);
        return sc;
    }

    public static String send(String url, String encoding, MultipartEntityBuilder entityBuilder)
            throws KeyManagementException, NoSuchAlgorithmException, ClientProtocolException, IOException {
        String body = "";
        // 采用绕过验证的方式处理https请求
        SSLContext sslcontext = createIgnoreVerifySSL();

        // 设置协议http和https对应的处理socket链接工厂的对象
        Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
                .register("http", PlainConnectionSocketFactory.INSTANCE)
                .register("https", new SSLConnectionSocketFactory(sslcontext)).build();
        PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(socketFactoryRegistry);
        HttpClients.custom().setConnectionManager(connManager);

        // 创建自定义的httpclient对象
        CloseableHttpClient client = HttpClients.custom().setConnectionManager(connManager).build();
        // CloseableHttpClient client = HttpClients.createDefault();

        // 创建post方式请求对象
        HttpPost httpPost = new HttpPost(url);

        // 设置参数到请求对象中
        httpPost.setEntity(entityBuilder.build());

        // 设置header信息
        httpPost.setHeader("Content-type", "application/x-www-form-urlencoded");
        httpPost.setHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");

        CloseableHttpResponse response = client.execute(httpPost);
        int statusCode = response.getStatusLine().getStatusCode();
        if (statusCode != 302) {
            return "上传失败";
        }
        // 获取结果
        Header[] entity = response.getAllHeaders();
        body = entity[5].getValue();
        response.close();
        return body;
    }
}

   <!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpmime -->
    <dependency>
      <groupId>org.apache.httpcomponents</groupId>
      <artifactId>httpmime</artifactId>
      <version>4.3.6</version>
    </dependency>