用Java写一个阿里云OCR上传身份证

好的，以下是使用Java编写阿里云OCR上传身份证的示例代码：

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.model.ObjectMetadata;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;
import com.aliyun.tea.TeaException;
import com.aliyun.tea.TeaPair;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.profile.DefaultProfile;
import com.aliyuncs.profile.IClientProfile;
import com.aliyuncs.ocr.model.v20191230.RecognizeIdentityCardRequest;
import com.aliyuncs.ocr.model.v20191230.RecognizeIdentityCardResponse;
import com.aliyuncs.utils.Base64Helper;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;

public class AliyunOCRUploader {

    // 阿里云Access Key ID
    private static final String ACCESS_KEY_ID = "your_access_key_id";
    // 阿里云Access Key Secret
    private static final String ACCESS_KEY_SECRET = "your_access_key_secret";
    // 阿里云OSS Endpoint
    private static final String OSS_ENDPOINT = "your_oss_endpoint";
    // 阿里云OSS Bucket名称
    private static final String OSS_BUCKET_NAME = "your_oss_bucket_name";

    public static void main(String[] args) {
        // 读取本地身份证图片文件并转换为Base64编码
        String imagePath = "path/to/your/image";
        String imageBase64 = imageToBase64(imagePath);

        // 初始化阿里云OCR客户端
        DefaultProfile profile = DefaultProfile.getProfile("cn-shanghai", ACCESS_KEY_ID, ACCESS_KEY_SECRET);
        DefaultAcsClient client = new DefaultAcsClient(profile);

        // 构建OCR请求对象
        RecognizeIdentityCardRequest request = new RecognizeIdentityCardRequest();
        request.setImageBase64(imageBase64);
        request.setSide("face");

        try {
            // 发送OCR请求并解析响应
            RecognizeIdentityCardResponse response = client.getAcsResponse(request);
            String name = response.getData().getName();
            String gender = response.getData().getGender();
            String nationality = response.getData().getNationality();
            String idNumber = response.getData().getIdNumber();
            String address = response.getData().getAddress();
            
            // 上传OCR识别结果到阿里云OSS
            OSS ossClient = new OSSClientBuilder().build(OSS_ENDPOINT, ACCESS_KEY_ID, ACCESS_KEY_SECRET);
            byte[] content = (name + "," + gender + "," + nationality + "," + idNumber + "," + address).getBytes();
            InputStream inputStream = new ByteArrayInputStream(content);
            ObjectMetadata metadata = new ObjectMetadata();
            metadata.setContentLength(content.length);
            metadata.setContentType("text/plain");
            String objectKey = "id_card_" + System.currentTimeMillis() + ".txt";
            PutObjectRequest putObjectRequest = new PutObjectRequest(OSS_BUCKET_NAME, objectKey, inputStream, metadata);
            PutObjectResult putObjectResult = ossClient.putObject(putObjectRequest);
            String objectUrl = "https://" + OSS_BUCKET_NAME + "." + OSS_ENDPOINT + "/" + putObjectResult.getKey();
            
            // 打印上传结果
            System.out.println("OCR识别成功，上传结果：" + objectUrl);
        } catch (Exception e) {
            throw new TeaException(e.getMessage());
        }
    }

    /**
     * 将本地图片文件转换为Base64编码
     */
    private static String imageToBase64(String imagePath) {
        byte[] imageBytes = com.aliyun.oss.common.utils.IOUtils.readStreamAsByteArray(imagePath);
        List<TeaPair> headers = new ArrayList<>();
        headers.add(new TeaPair("Content-Type", "application/octet-stream"));
        String base64 = Base64Helper.encode(imageBytes);
        return "data:image/jpeg;base64," + base64;
    }

}

在以上代码中，我们首先读取本地身份证图片文件，然后将其转换为Base64编码，并通过阿里云OCR SDK发送识别请求，获取OCR识别结果。最后，将OCR识别结果上传到阿里云OSS，并返回上传结果的URL。请注意，以上代码中的ACCESS_KEY_ID、ACCESS_KEY_SECRET、OSS_ENDPOINT和OSS_BUCKET_NAME需要替换为你自己的阿里云Access Key和OSS相关配置信息。