图像识别应用 _问答-阿里云开发者社区

在android上拍的图片上传到阿里云上进行图像识别，上传图片然后调用阿里图像识别

package com.feng1.foundation.service.impl;

import com.alibaba.fastjson.JSONException; import com.alibaba.fastjson.JSONObject; import com.feng1.foundation.dto.BankCardInfoDTO; import com.feng1.foundation.dto.IdentityCardInfoDTO; import com.feng1.foundation.po.*; import com.feng1.foundation.service.IDictionaryService; import com.feng1.foundation.service.IImageRecognitionService; import com.feng1.foundation.service.vo.DictionaryItemVO; import com.feng1.framework.common.domain.result.ModelResult; import com.feng1.framework.common.domain.result.ModelResultClient; import com.feng1.framework.common.http.HttpClient; import com.feng1.framework.util.DateUtil; import com.feng1.framework.util.JsonUtils; import com.google.common.collect.Lists; import okhttp3.MediaType; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.BeanUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.web.bind.annotation.RestController;

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

import static org.apache.commons.codec.binary.Base64.encodeBase64;

@RestController public class ImageRecognitionServiceImpl implements IImageRecognitionService {

private static final Logger LOGGER = LoggerFactory.getLogger(ImageRecognitionServiceImpl.class);

@Autowired
HttpClient httpClient;

@Autowired
IDictionaryService dictionaryService;

@Value("${imageRecognition.idCardHost}")
private String idCardHost;

@Value("${imageRecognition.idCardServicePath}")
private String idCardServicePath;

@Value("${imageRecognition.appcode}")
private String appcode;

@Value("${imageRecognition.qiniuPath}")
private String qiniuPath;

@Value("${imageRecognition.bankCardHost}")
private String bankCardHost;

@Value("${imageRecognition.bankCardServicePath}")
private String bankCardServicePath;

/**
 * 获取参数的json对象
 */
public static JSONObject getParam(int type, String dataValue) {
    JSONObject obj = new JSONObject();
    try {
        obj.put("dataType", type);
        obj.put("dataValue", dataValue);
    } catch (JSONException e) {
        LOGGER.error("JSONException",e);
    }
    return obj;
}


@Override
public ModelResult<IdentityCardInfoDTO> identityCardRecognition(String imagePath) {

    String imgFilePath = qiniuPath +"/"+ imagePath;
    //String imgFilePath ="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1531919752737&di=8f489a54cd0e4beb43c424858cdb9a09&imgtype=0&src=http%3A%2F%2Fcq.focus.cn%2Fupload%2Fphotos%2F1760%2F7Nh8JmKZ.jpg";
    //如果文档的输入中含有inputs字段，设置为True， 否则设置为False

    //获取图片文件
    File imageFile = getImageFile(imgFilePath);


    //请根据线上文档修改configure字段
    JSONObject configObj = new JSONObject();
    configObj.put("side", "face");
    String config_str = configObj.toString();

    // 对图像进行base64编码
    String imgBase64 = "";
    try {
        byte[] content = new byte[(int) imageFile.length()];
        FileInputStream finputstream = new FileInputStream(imageFile);
        finputstream.read(content);
        finputstream.close();
        imgBase64 = new String(encodeBase64(content));
    } catch (IOException e) {
        e.printStackTrace();
        return new ModelResultClient<IdentityCardInfoDTO>().failFactory("-1","IO异常");
    }
    // 拼装请求body的json字符串
    JSONObject requestObj = new JSONObject();
    try {
        requestObj.put("image", imgBase64);
        if(config_str.length() > 0) {
            requestObj.put("configure", config_str);
        }
    } catch (JSONException e) {
        e.printStackTrace();
    }
    String bodys = requestObj.toString();

    IdentityCardInfoResult identityCardInfoResult =null;
    try {
        String res = httpClient.httpPostForImageRecog(idCardHost + idCardServicePath, bodys, MediaType.parse("application/x-www-form-urlencoded"),appcode);

        identityCardInfoResult = JsonUtils.jsonToBean(res, IdentityCardInfoResult.class);
    } catch (Exception e) {
        e.printStackTrace();
    }
    if(!"true".equalsIgnoreCase(identityCardInfoResult.getSuccess())){
        imageFile.delete();
        return new ModelResultClient<IdentityCardInfoDTO>().failFactory(identityCardInfoResult.getCode(),identityCardInfoResult.getMessage());
    }
    IdentityCardInfoDTO identityCardInfoDTO = new IdentityCardInfoDTO();
    String birth = identityCardInfoResult.getBirth();
    Date yyyyMMdd = DateUtil.parseDate(birth, "yyyy-MM-dd");
    int diffMonth = DateUtil.diffMonth(yyyyMMdd,new Date());
    int age = diffMonth / 12;
    BeanUtils.copyProperties(identityCardInfoResult,identityCardInfoDTO);
    identityCardInfoDTO.setAge(age);
    imageFile.delete();
    return new ModelResultClient<IdentityCardInfoDTO>().successFactory(identityCardInfoDTO);

}

@Override
public ModelResult<BankCardInfoDTO> bankCardRecognition(String imagePath) {
    String imgFilePath = qiniuPath +"/"+ imagePath;
    File imageFile = getImageFile(imgFilePath);

    String imgBase64 = "";
    try {
        byte[] content = new byte[(int) imageFile.length()];
        FileInputStream finputstream = new FileInputStream(imageFile);
        finputstream.read(content);
        finputstream.close();
        imgBase64 = new String(encodeBase64(content));
    } catch (IOException e) {
        e.printStackTrace();
        return new ModelResultClient<BankCardInfoDTO>().failFactory("-1","IO异常");
    }

    JSONObject imageBody = new JSONObject();
    imageBody.put("dataType",50);
    imageBody.put("dataValue",imgBase64);
    JSONObject imageBodyOutSide = new JSONObject();
    imageBodyOutSide.put("image",imageBody);
    List<JSONObject> objects = Lists.newArrayList();
    objects.add(imageBodyOutSide);
    JSONObject requestBody = new JSONObject();
    requestBody.put("inputs",objects);
    String requestString = requestBody.toString();

    BankCardInfoResult bankCardInfoResult = new BankCardInfoResult();
    try {
        //最后在header中的格式(中间是英文空格)为Authorization:APPCODE 83359fd73fe94948385f570e3c139105
        String res = httpClient.httpPostForImageRecog(bankCardHost + bankCardServicePath, requestString, MediaType.parse("application/json;charset=utf-8"),appcode);
        bankCardInfoResult= JsonUtils.jsonToBean(res, BankCardInfoResult.class);
    } catch (Exception e) {
        LOGGER.error("调用阿里银行卡图像识别接口失败",e);
    }
    List<BankCardOutput> outputs = bankCardInfoResult.getOutputs();
    BankCardOutput bankCardOutput = outputs.get(0);
    BankCardOutputValue outputValue = bankCardOutput.getOutputValue();
    String dataValue = outputValue.getDataValue();

    BankCardDataValue bankCardDataValue = JsonUtils.jsonToBean(dataValue, BankCardDataValue.class);
    String successRes = bankCardDataValue.getSuccess();
    if(!"true".equalsIgnoreCase(successRes)){
        imageFile.delete();
        return new ModelResultClient<BankCardInfoDTO>().failFactory();
    }

    //获取银行卡号
    String card_num = bankCardDataValue.getCard_num();
    String res =null;
    try {
        res = httpClient.httpGet("https://ccdcapi.alipay.com/validateAndCacheCardInfo.json?cardNo="+card_num+"&cardBinCheck=true");
    } catch (IOException e) {
        LOGGER.error("根据银行卡号调用接口查询银行信息失败",e);
    }
    BankNamePO bankNamePO = JsonUtils.jsonToBean(res, BankNamePO.class);
    if("true".equalsIgnoreCase(successRes) && "false".equalsIgnoreCase(bankNamePO.getValidated())){
        imageFile.delete();
        return new ModelResultClient<BankCardInfoDTO>().failFactory("未找到匹配的银行信息");
    }
    //获取的是银行缩写，须查询数据字典
    String bank = bankNamePO.getBank();
    BankCardInfoDTO bankCardInfoDTO = new BankCardInfoDTO();
    bankCardInfoDTO.setBankCardNum(card_num);
    bankCardInfoDTO.setBankCode(bank);
    ModelResult<List<DictionaryItemVO>> bankNameResult = dictionaryService.getDictItems("BankName");
    List<DictionaryItemVO> bankList = bankNameResult.getData();
    for (DictionaryItemVO dictionaryItemVO : bankList) {
        if(dictionaryItemVO.getValue().equalsIgnoreCase(bank)){
            bankCardInfoDTO.setBankName(dictionaryItemVO.getLabel());
            break;
        }
    }
    imageFile.delete();
    return new ModelResultClient<BankCardInfoDTO>().successFactory(bankCardInfoDTO);
}



private File getImageFile(String imgFilePath){
    URL url = null;
    File imageFile =null;
    try {
        //new一个URL对象
        url = new URL(imgFilePath);
        //打开链接
        HttpURLConnection conn = (HttpURLConnection)url.openConnection();
        //设置请求方式为"GET"
        conn.setRequestMethod("GET");
        //超时响应时间为5秒
        conn.setConnectTimeout(5 * 1000);
        //通过输入流获取图片数据
        InputStream inStream = conn.getInputStream();
        //得到图片的二进制数据，以二进制封装得到数据，具有通用性
        byte[] data = readInputStream(inStream);
        //new一个文件对象用来保存图片，默认保存当前工程根目录
        imageFile = new File("BeautyGirl"+UUID.randomUUID()+".jpg");
        //创建输出流
        FileOutputStream outStream = new FileOutputStream(imageFile);
        //写入数据
        outStream.write(data);
        //关闭输出流
        outStream.close();
    } catch (Exception e) {
        LOGGER.error("根据七牛云图片url生成图片文件异常"+e);
    }
    return imageFile;
}

private static byte[] readInputStream(InputStream inStream) throws Exception{
    ByteArrayOutputStream outStream = new ByteArrayOutputStream();
    //创建一个Buffer字符串
    byte[] buffer = new byte[1024];
    //每次读取的字符串长度，如果为-1，代表全部读取完毕
    int len = 0;
    //使用一个输入流从buffer里把数据读取出来
    while( (len=inStream.read(buffer)) != -1 ){
        //用输出流往buffer里写入数据，中间参数代表从哪个位置开始读，len代表读取的长度
        outStream.write(buffer, 0, len);
    }
    //关闭输入流
    inStream.close();
    //把outStream里的数据写入内存
    return outStream.toByteArray();
}

}

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