http调用接口

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public static String get(String url, String cookie) throws IOException {
    HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
    connection.setRequestMethod("GET");

    // 设置 Cookie
    connection.setRequestProperty("Cookie", cookie);

    int responseCode = connection.getResponseCode();
    if (responseCode == HttpURLConnection.HTTP_OK) {
        BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        String line;
        StringBuilder response = new StringBuilder();
        while ((line = reader.readLine()) != null) {
            response.append(line);
            response.append("\n");
        }
        reader.close();
        return response.toString();
    } else {
        throw new IOException("Request failed with HTTP status: " + responseCode);
    }
}

public Integer createAgencyToAppealSubmit(String subject, String contant, String adviceNo, List<String> userCodes) {
    List<String> orderNoList = new ArrayList<>();

    orderNoList.add(adviceNo);
    List<AmsAbnormalOrderRecord> records =  amsAbnormalOrderRecordMapper.selectByOrderNoList(orderNoList);
    logJson = "createAgencyToAppealSubmit发送参数：";

    SingleLangTodoDto dto = new SingleLangTodoDto();
    dto.setDocSubject("您有一个流程需要处理:" + subject);
    dto.setFdDocSubject(subject);
    dto.setFdLongContent(contant);
    dto.setFdLink(appealSubmitH5url+adviceNo);
    Sequence sequence = new Sequence(3);
    Long aLong = sequence.nextId();
    dto.setFdKey(CommonConstants.CDR_KEY);
    dto.setFdModelName(CommonConstants.CDR_KEY);
    dto.setFdDocTime(System.currentTimeMillis());
    dto.setFdFlowId(aLong.toString());
    dto.setFdWorkitemId(aLong.toString());
    dto.setFdAuthName(mideaAuthService.getUserCode());
    dto.setFdSendersAccount(userCodes);
    dto.setFdIsMobile(true);
    dto.setType("todo");
    dto.setFdType(3);
    logger.info("发送代办参数：{}",JSON.toJSONString(dto));
    byte[] bData = JSON.toJSONString(dto).getBytes();
    //89df9b28-ebfe-4e15-b91c-245d98cdb2aa 该值联系mip配置生成
    String token = DataEncrypt.encryptByte(bData, mipToken);
    HttpURLConnection conn = null;
    for(AmsAbnormalOrderRecord item:records){
        item.setFdFlowId(String.valueOf(aLong));
    }

    try {
        logger.info("发送代办请求：{}",mipUrl + URLEncoder.encode(token, "utf-8"));
        logJson+=mipUrl + URLEncoder.encode(token, "utf-8");
        // 创建url资源
        URL url = new URL(mipUrl
            + URLEncoder.encode(token, "utf-8"));
        // 建立http连接
        conn = (HttpURLConnection) url.openConnection();
        // 设置允许输出
        conn.setDoOutput(true);
        conn.setDoInput(true);
        // 设置不用缓存
        conn.setUseCaches(false);
        // 设置传递方式
        conn.setRequestMethod("POST");
        // 设置维持长连接
        conn.setRequestProperty("Connection", "Keep-Alive");
        // 设置文件字符集:
        conn.setRequestProperty("Charset", "UTF-8");
        // 转换为字节数组
        // 设置文件长度
        conn.setRequestProperty("Content-Length", String.valueOf(bData.length));
        // 设置文件类型:
        conn.setRequestProperty("Content-Type", "application/json");
        // 开始连接请求
        conn.connect();
        try (OutputStream out = conn.getOutputStream()) {
            // 写入请求的字符串
            out.write(bData);
            out.flush();
        }
        // 请求返回的状态
        if (conn.getResponseCode() == 200) {
            logger.info("连接成功");
            // 请求返回的数据
            InputStream in = conn.getInputStream();
            String result = null;
            try {
                byte[] data1 = new byte[in.available()];
                in.read(data1);
                // 转成字符串
                result = new String(data1);
                logger.info(result);
            } catch (Exception e1) {
                e1.printStackTrace();
            }
        } else {
            logger.info("返回状态：" + conn.getResponseCode());
            InputStream in = conn.getInputStream();
            String result = null;
            try {
                byte[] data1 = new byte[in.available()];
                in.read(data1);
                // 转成字符串
                result = new String(data1);
                logger.info("请求代办返回结果：{}",result);
                logJson+="  返回结果："+result;
            } catch (Exception e1) {
                e1.printStackTrace();
            }
        }
    } catch (Exception e) {
        logger.info("申诉-mipHelper error:{}",e);
    } finally {
        Integer am = amsAbnormalOrderRecordMapper.updateBatch(records);
        logger.info("申诉-mipHelper amsAbnormalOrderRecordMapper,am:{}",am);
        List<AmsAbnormalOrderLog> orderLogs = new ArrayList<>();
        records.forEach(item->{
            AmsAbnormalOrderLog orderLog =new AmsAbnormalOrderLog();
            BeanUtils.copyProperties(item,orderLog);
            orderLog.setCreateTime(new Date());
            orderLog.setUpdateTime(new Date());
            orderLog.setDeleteFlag(ActionEnum.DeleteFlagEnum.NO.getValue());
            orderLog.setRemark(logJson);
            orderLogs.add(orderLog);
        });
        Integer a = amsAbnormalOrderLogService.addAbnormalOrderLogList(orderLogs);
        if(a==0){
            logger.error("mip日志记录--mipHelper createAgencyToAppealSubmit, a:{}", a);
        }
        if (null != conn){
            conn.disconnect();
        }

    }
    return 1;
}