百度api证件,票据识别

springboot项目集成百度api:

实现证件及票据识别.

项目结构:

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.2.2.RELEASE</version><relativePath/> <!-- lookup parent from repository --></parent><groupId>com.ssj</groupId><artifactId>baiduapi</artifactId><version>0.0.1-SNAPSHOT</version><name>baiduapi</name><description>Demo project for Spring Boot</description><properties><java.version>1.8</java.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter</artifactId></dependency><!-- https://mvnrepository.com/artifact/com.alibaba/fastjson --><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.46</version></dependency><!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient --><dependency><groupId>org.apache.httpcomponents</groupId><artifactId>httpclient</artifactId><version>4.5.5</version></dependency><!-- https://mvnrepository.com/artifact/commons-codec/commons-codec --><dependency><groupId>commons-codec</groupId><artifactId>commons-codec</artifactId><version>1.12</version></dependency><dependency><groupId>org.apache.commons</groupId><artifactId>commons-lang3</artifactId></dependency><dependency><groupId>commons-beanutils</groupId><artifactId>commons-beanutils</artifactId><version>1.9.3</version></dependency><dependency><groupId>commons-io</groupId><artifactId>commons-io</artifactId><version>2.6</version></dependency><dependency><groupId>com.auth0</groupId><artifactId>java-jwt</artifactId><version>3.4.0</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-freemarker</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope><exclusions><exclusion><groupId>org.junit.vintage</groupId><artifactId>junit-vintage-engine</artifactId></exclusion></exclusions></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>

controller

package com.ssj.baiduapi.xaingmu;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.ssj.baiduapi.xaingmu.config.AuthService;
import com.ssj.baiduapi.xaingmu.config.Currency;
import com.ssj.baiduapi.xaingmu.config.Directional;
import org.apache.commons.lang3.StringUtils;import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;import java.io.IOException;
import java.net.URISyntaxException;@RestController
public class BaiDUController {@RequestMapping(value = "baiDuApi", method = RequestMethod.POST)public JSONObject baiDuApi(@RequestBody String data) throws IOException, URISyntaxException {JSONObject json = new JSONObject();String path = "";String type = "";// front：身份证含照片的一面；back：身份证带国徽的一面String idCardSide = "";if (StringUtils.isNotBlank(data)) {JSONObject jsonObject = JSON.parseObject(data);path = jsonObject.getString("path");type = jsonObject.getString("type");idCardSide = jsonObject.getString("idCardSide");}Directional directional = new Directional();String token = directional.takeString(type,idCardSide);if (token.equals("")){json.put("json","类型传输不正确");return json;}else {AuthService authService = new AuthService();String auth = authService.getAuth();token+="access_token="+auth;}Currency currency = new Currency();String str = currency.checkFile(path, token);json.put("json",str);return json;}}

工具类

Directional

package com.ssj.baiduapi.xaingmu.config;public class Directional {public static String takeString(String tag,String idCardSide){String DECS_URL = "";switch (tag){case "1" :// 身份证DECS_URL = "https://aip.baidubce.com/rest/2.0/ocr/v1/idcard?id_card_side="+idCardSide+"&";break;case "2" :// 营业执照DECS_URL = "https://aip.baidubce.com/rest/2.0/ocr/v1/business_license?";break;case "3":// 通用票据识别DECS_URL = "https://aip.baidubce.com/rest/2.0/ocr/v1/receipt?";break;case "4":// 增值税发票DECS_URL = "https://aip.baidubce.com/rest/2.0/ocr/v1/vat_invoice?";break;case "5":// 定额发票DECS_URL = "https://aip.baidubce.com/rest/2.0/ocr/v1/quota_invoice?";break;default:DECS_URL = "";}return DECS_URL;}}

AuthService:

package com.ssj.baiduapi.xaingmu.config;import com.alibaba.fastjson.JSONObject;import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;
import java.util.Map;public class AuthService {public static String getAuth() {// 官网获取的 API Key 更新为你注册的apikeyString clientId = "*****";// 官网获取的 Secret Key 更新为你注册的Secret KeyString clientSecret = "*****";return getAuth(clientId, clientSecret);}/*** 获取API访问token 该token有一定的有效期，token要自行管理，当失效时需要重新获取.** @param ak*            - 百度云官网获取的 API Key* @param sk*            - 百度云官网获取的 Securet Key* @return assess_token 示例*         "24.460da4889caad24cccdb1fea17221975.2592000.1491995545.282335-1234567"*/private static String getAuth(String ak, String sk) {// 获取token地址String authHost = "https://aip.baidubce.com/oauth/2.0/token?";String getAccessTokenUrl = authHost// 1. grant_type为固定参敄1¤7+ "grant_type=client_credentials"// 2. 官网获取的 API Key+ "&client_id=" + ak// 3. 官网获取的 Secret Key+ "&client_secret=" + sk;try {URL realUrl = new URL(getAccessTokenUrl);// 打开和URL之间的连接HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();connection.setRequestMethod("GET");connection.connect();// 获取响应头字段Map<String, List<String>> map = connection.getHeaderFields();// 遍历响应头for (String key : map.keySet()) {System.err.println(key + "--->" + map.get(key));}// 定义 BufferedReader输入流来读取URL的响应BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));StringBuilder result = new StringBuilder();String line;while ((line = in.readLine()) != null) {result.append(line);}/*** 返回结果示例*/System.err.println("result:" + result);JSONObject jsonObject = JSONObject.parseObject(result.toString());return jsonObject.getString("access_token");} catch (Exception e) {System.err.printf("获取token失败");e.printStackTrace(System.err);}return null;}
}

Currency:

package com.ssj.baiduapi.xaingmu.config;import com.ssj.baiduapi.config.BaseImg64;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;public class Currency {public static String checkFile(String path,String token) throws URISyntaxException, IOException {File file = new File(path);if (!file.exists()) {throw new NullPointerException("未找到图片");}String image = BaseImg64.getImageStrFromPath(path);String param = "image=" + image;return post(param,token);}private static String post(String param,String token) throws URISyntaxException, IOException {HttpClient httpClient = new DefaultHttpClient();HttpPost post = new HttpPost();URI url = new URI(token);post.setURI(url);post.setHeader("Content-Type", "application/x-www-form-urlencoded");StringEntity entity = new StringEntity(param);post.setEntity(entity);HttpResponse response = httpClient.execute(post);System.out.println(response.toString());if (response.getStatusLine().getStatusCode() == 200) {String str;try {str = EntityUtils.toString(response.getEntity());return str;} catch (Exception e) {e.printStackTrace();return null;}}return null;}
}

文字识别同理,修改参数即可

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