上传同步

qirong

2023-11-22 762167f3b4248055fc020277af1bd5724e29fec0

 ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/uitil/HttpUtils.java

@@ -4,7 +4,20 @@
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.StringRequestEntity;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
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.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.dromara.common.oss.entity.SynchronousRequest;
import org.springframework.web.multipart.MultipartFile;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.HashMap;

public class HttpUtils {
@@ -38,5 +51,130 @@
        }
        return jsonResult;
    }

    private static final String BOUNDARY = "----WebKitFormBoundary7MA4YWxkTrZu0gW";
    private static final String LINE_FEED = "\r\n";
    private static final String CHARSET = "UTF-8";

    public static File convert(MultipartFile multipartFile) throws IOException {
        File file = new File(multipartFile.getOriginalFilename());
        multipartFile.transferTo(file);
        return file;
    }

    public static void sendPostRequest(String url, String stringParam, File fileParam) throws Exception {

        URL obj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();

        // 设置POST请求
        con.setRequestMethod("POST");
        con.setDoOutput(true);
        con.setDoInput(true);
        con.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + BOUNDARY);

        // 构建请求体
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes("--" + BOUNDARY + LINE_FEED);
        wr.writeBytes("Content-Disposition: form-data; name=\"stringParam\"" + LINE_FEED);
        wr.writeBytes(LINE_FEED);
        wr.writeBytes(stringParam + LINE_FEED);

        wr.writeBytes("--" + BOUNDARY + LINE_FEED);
        wr.writeBytes("Content-Disposition: form-data; name=\"fileParam\"; filename=\"" + fileParam.getName() + "\"" + LINE_FEED);
        wr.writeBytes("Content-Type: " + HttpURLConnection.guessContentTypeFromName(fileParam.getName()) + LINE_FEED);
        wr.writeBytes("Content-Transfer-Encoding: binary" + LINE_FEED);
        wr.writeBytes(LINE_FEED);

        FileInputStream inputStream = new FileInputStream(fileParam);
        byte[] buffer = new byte[4096];
        int bytesRead = -1;
        while ((bytesRead = inputStream.read(buffer)) != -1) {
            wr.write(buffer, 0, bytesRead);
        }
        wr.writeBytes(LINE_FEED);
        wr.writeBytes("--" + BOUNDARY + "--" + LINE_FEED);

        wr.flush();
        wr.close();

        // 发送请求并获取响应
        int responseCode = con.getResponseCode();
        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();
        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        // 打印响应结果
        System.out.println("Response Code : " + responseCode);
        System.out.println("Response : " + response.toString());
    }

    /**
     * 上传同步
     * @param url
     * @param entity
     * @return
     * @throws IOException
     */
    public static String sendPostRequest(String url, SynchronousRequest entity) throws IOException {
        org.apache.http.client.HttpClient httpClient = HttpClientBuilder.create().build();
        HttpPost httpPost = new HttpPost(url);

        MultipartEntityBuilder builder = MultipartEntityBuilder.create();
        builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);

        // 添加MultipartFile参数
        builder.addBinaryBody("file", entity.getFile().getBytes(), ContentType.MULTIPART_FORM_DATA, entity.getFile().getOriginalFilename());

        // 添加String参数
        builder.addTextBody("path", entity.getPath(), ContentType.TEXT_PLAIN);
        builder.addTextBody("ossId", entity.getOssId(), ContentType.TEXT_PLAIN);
        builder.addTextBody("createBy", entity.getCreateBy(), ContentType.TEXT_PLAIN);
        builder.addTextBody("password", entity.getPassword(), ContentType.TEXT_PLAIN);

        HttpEntity multipart = builder.build();
        httpPost.setEntity(multipart);

        HttpResponse response = httpClient.execute(httpPost);
        String responseBody = EntityUtils.toString(response.getEntity());
        System.out.println("Response: " + responseBody);
        return responseBody;
    }

    /**
     * 删除同步
     * @param url
     * @param parameter
     * @throws Exception
     */
    public static void sendDeleteRequest(String url, String parameter) throws Exception {
        // 拼接URL和参数
        String deleteUrl = url + "/" + parameter;

        // 创建URL对象和HttpURLConnection对象
        URL obj = new URL(deleteUrl);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();

        // 设置请求方法为DELETE
        con.setRequestMethod("DELETE");

        // 发送请求并获取响应
        int responseCode = con.getResponseCode();
        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();
        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        // 打印响应结果
        System.out.println("Response Code : " + responseCode);
        System.out.println("Response : " + response.toString());
    }
}