Java身份证OCR识别 - 阿里云API【识别准确率超过99%】
1. 阿里云API市场
https://market.aliyun.com/products/57124001/cmapi00063618.html?spm=5176.28261954.J_7341193060.41.60e52f3drduOTh&scm=20140722.S_market%40%40API%E5%B8%82%E5%9C%BA%40%40cmapi00063618._.ID_market%40%40API%E5%B8%82%E5%9C%BA%40%40cmapi00063618-RL_%E8%BA%AB%E4%BB%BD%E8%AF%81ocr%E8%AF%86%E5%88%AB-LOC_llm-OR_ser-V_3-RK_rerank-P0_9&accounttraceid=45aeef6ca8144c88a226ef6fe5ac5d3fzgoh#sku=yuncode5761800001购买对应套餐
2. API接口
3. 复制AppCode
https://market.console.aliyun.com/imageconsole/index.htm#/?_k=pda4ei云市场-已购买服务
4. AliyunOCRDemo
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import java.util.HashMap;
import java.util.Map;/*** 身份证OCR识别*/
public class AliyunOCRDemo {public static void main(String[] args) {String host = "https://lidocr.market.alicloudapi.com";String path = "/lundear/idocr";String method = "POST";String appcode = "你自己的AppCode";Map<String, String> headers = new HashMap<String, String>();//最后在header中的格式(中间是英文空格)为Authorization:APPCODE 83359fd73fe94948385f570e3c139105headers.put("Authorization", "APPCODE " + appcode);//根据API的要求，定义相对应的Content-Typeheaders.put("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");Map<String, String> querys = new HashMap<String, String>();Map<String, String> bodys = new HashMap<String, String>();/**url和image二选一*/// 身份证图片base64字符串，正反面可自动识别（图片越小速度更快，建议100KB以内，不超过2M）
// bodys.put("image", "image");// 身份证图片URL地址bodys.put("url", "http://xxx.jpg");try {/*** 重要提示如下:* HttpUtils请从* https://github.com/aliyun/api-gateway-demo-sign-java/blob/master/src/main/java/com/aliyun/api/gateway/demo/util/HttpUtils.java* 下载** 相应的依赖请参照* https://github.com/aliyun/api-gateway-demo-sign-java/blob/master/pom.xml*/HttpResponse response = HttpUtils.doPost(host, path, method, headers, querys, bodys);System.out.println(response.toString());//获取response的bodySystem.out.println(EntityUtils.toString(response.getEntity()));} catch (Exception e) {e.printStackTrace();}}
}
4. HttpUtils
import org.apache.commons.lang.StringUtils;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;public class HttpUtils {/*** get** @param host* @param path* @param method* @param headers* @param querys* @return* @throws Exception*/public static HttpResponse doGet(String host, String path, String method,Map<String, String> headers,Map<String, String> querys)throws Exception {HttpClient httpClient = wrapClient(host);HttpGet request = new HttpGet(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}return httpClient.execute(request);}/*** post form** @param host* @param path* @param method* @param headers* @param querys* @param bodys* @return* @throws Exception*/public static HttpResponse doPost(String host, String path, String method,Map<String, String> headers,Map<String, String> querys,Map<String, String> bodys)throws Exception {HttpClient httpClient = wrapClient(host);HttpPost request = new HttpPost(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}if (bodys != null) {List<NameValuePair> nameValuePairList = new ArrayList<NameValuePair>();for (String key : bodys.keySet()) {nameValuePairList.add(new BasicNameValuePair(key, bodys.get(key)));}UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(nameValuePairList, "utf-8");formEntity.setContentType("application/x-www-form-urlencoded; charset=UTF-8");request.setEntity(formEntity);}return httpClient.execute(request);}/*** Post String** @param host* @param path* @param method* @param headers* @param querys* @param body* @return* @throws Exception*/public static HttpResponse doPost(String host, String path, String method,Map<String, String> headers,Map<String, String> querys,String body)throws Exception {HttpClient httpClient = wrapClient(host);HttpPost request = new HttpPost(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}if (StringUtils.isNotBlank(body)) {request.setEntity(new StringEntity(body, "utf-8"));}return httpClient.execute(request);}/*** Post stream** @param host* @param path* @param method* @param headers* @param querys* @param body* @return* @throws Exception*/public static HttpResponse doPost(String host, String path, String method,Map<String, String> headers,Map<String, String> querys,byte[] body)throws Exception {HttpClient httpClient = wrapClient(host);HttpPost request = new HttpPost(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}if (body != null) {request.setEntity(new ByteArrayEntity(body));}return httpClient.execute(request);}/*** Put String* @param host* @param path* @param method* @param headers* @param querys* @param body* @return* @throws Exception*/public static HttpResponse doPut(String host, String path, String method,Map<String, String> headers,Map<String, String> querys,String body)throws Exception {HttpClient httpClient = wrapClient(host);HttpPut request = new HttpPut(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}if (StringUtils.isNotBlank(body)) {request.setEntity(new StringEntity(body, "utf-8"));}return httpClient.execute(request);}/*** Put stream* @param host* @param path* @param method* @param headers* @param querys* @param body* @return* @throws Exception*/public static HttpResponse doPut(String host, String path, String method,Map<String, String> headers,Map<String, String> querys,byte[] body)throws Exception {HttpClient httpClient = wrapClient(host);HttpPut request = new HttpPut(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}if (body != null) {request.setEntity(new ByteArrayEntity(body));}return httpClient.execute(request);}/*** Delete** @param host* @param path* @param method* @param headers* @param querys* @return* @throws Exception*/public static HttpResponse doDelete(String host, String path, String method,Map<String, String> headers,Map<String, String> querys)throws Exception {HttpClient httpClient = wrapClient(host);HttpDelete request = new HttpDelete(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}return httpClient.execute(request);}private static String buildUrl(String host, String path, Map<String, String> querys) throws UnsupportedEncodingException {StringBuilder sbUrl = new StringBuilder();sbUrl.append(host);if (!StringUtils.isBlank(path)) {sbUrl.append(path);}if (null != querys) {StringBuilder sbQuery = new StringBuilder();for (Map.Entry<String, String> query : querys.entrySet()) {if (0 < sbQuery.length()) {sbQuery.append("&");}if (StringUtils.isBlank(query.getKey()) && !StringUtils.isBlank(query.getValue())) {sbQuery.append(query.getValue());}if (!StringUtils.isBlank(query.getKey())) {sbQuery.append(query.getKey());if (!StringUtils.isBlank(query.getValue())) {sbQuery.append("=");sbQuery.append(URLEncoder.encode(query.getValue(), "utf-8"));}}}if (0 < sbQuery.length()) {sbUrl.append("?").append(sbQuery);}}return sbUrl.toString();}private static HttpClient wrapClient(String host) {HttpClient httpClient = new DefaultHttpClient();if (host.startsWith("https://")) {sslClient(httpClient);}return httpClient;}private static void sslClient(HttpClient httpClient) {try {SSLContext ctx = SSLContext.getInstance("TLS");X509TrustManager tm = new X509TrustManager() {public X509Certificate[] getAcceptedIssuers() {return null;}public void checkClientTrusted(X509Certificate[] xcs, String str) {}public void checkServerTrusted(X509Certificate[] xcs, String str) {}};ctx.init(null, new TrustManager[] { tm }, null);SSLSocketFactory ssf = new SSLSocketFactory(ctx);ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);ClientConnectionManager ccm = httpClient.getConnectionManager();SchemeRegistry registry = ccm.getSchemeRegistry();registry.register(new Scheme("https", 443, ssf));} catch (KeyManagementException ex) {throw new RuntimeException(ex);} catch (NoSuchAlgorithmException ex) {throw new RuntimeException(ex);}}
}5. 测试 【身份证正面】
{"data":{"birthday":"xxx","address":"xxx","side":"front","sex":"男","name":"xxx","number":"xxx","nation":"汉"},"desc":"成功","code":0
}6. 测试 【身份证反面】
{"data":{"timelimit":"20170122-20370122","authority":"xx市公安局","side":"back"},"desc":"成功","code":0
}