java
Exception in thread "main" java.lang.NoSuchMethodError: com.aliyun.credentials.Client.getCredential()Lcom/aliyun/credentials/models/CredentialModel;
at com.aliyun.teaopenapi.Client.doRequest(Client.java:812)
at com.aliyun.teaopenapi.Client.callApi(Client.java:1080)
at com.aliyun.openplatform20191219.Client.authorizeFileUploadWithOptions(Client.java:46)
at com.aliyun.ocr20191230.Client.recognizeLicensePlateAdvance(Client.java:770)
at com.utils.RecognizeLicensePlateAli.main(RecognizeLicensePlateAli.java:59)
其实解决bug很简单,是缺了个包,而且这个是运行时异常
java
<dependency>
<groupId>com.aliyun</groupId>
<artifactId>tea-openapi</artifactId>
<version>0.2.1</version>
</dependency>
<!-- 还有这个识别用的包 -->
<dependency>
<groupId>com.aliyun</groupId>
<artifactId>ocr20191230</artifactId>
<version>2.0.1</version>
</dependency>
java
package com.utils;
/*
引入依赖包
<!-- https://mvnrepository.com/artifact/com.aliyun/ocr20191230 -->
<dependency>
<groupId>com.aliyun</groupId>
<artifactId>ocr20191230</artifactId>
<version>${aliyun.ocr.version}</version>
</dependency>
*/
import cn.hutool.core.collection.CollUtil;
import com.aliyun.ocr20191230.models.RecognizeLicensePlateResponse;
import com.aliyun.ocr20191230.models.RecognizeLicensePlateResponseBody;
import com.aliyun.tea.TeaException;
import org.springframework.web.bind.annotation.GetMapping;
import java.io.File;
import java.io.InputStream;
import java.nio.file.Files;
import java.util.List;
import java.util.Optional;
public class RecognizeLicensePlateAli {
public static String accessKeyId = "ABC123456";
public static String accessKeySecret = "ABC123456";
public static com.aliyun.ocr20191230.Client createClient(String accessKeyId, String accessKeySecret) throws Exception {
/*
初始化配置对象com.aliyun.teaopenapi.models.Config
Config对象存放 AccessKeyId、AccessKeySecret、endpoint等配置
*/
com.aliyun.teaopenapi.models.Config config = new com.aliyun.teaopenapi.models.Config()
.setAccessKeyId(accessKeyId)
.setAccessKeySecret(accessKeySecret);
// 访问的域名
config.endpoint = "ocr.cn-shanghai.aliyuncs.com";
return new com.aliyun.ocr20191230.Client(config);
}
public String licensePlate(String filePath) throws Exception {
com.aliyun.ocr20191230.Client client = RecognizeLicensePlateAli.createClient(accessKeyId, accessKeySecret);
File file = new File(filePath);
// 创建InputStream
InputStream inputStream = Files.newInputStream(file.toPath());
com.aliyun.ocr20191230.models.RecognizeLicensePlateAdvanceRequest recognizeLicensePlateAdvanceRequest = new com.aliyun.ocr20191230.models.RecognizeLicensePlateAdvanceRequest()
.setImageURLObject(inputStream);
com.aliyun.teautil.models.RuntimeOptions runtime = new com.aliyun.teautil.models.RuntimeOptions();
try {
RecognizeLicensePlateResponse response = client.recognizeLicensePlateAdvance(recognizeLicensePlateAdvanceRequest, runtime);
List<RecognizeLicensePlateResponseBody.RecognizeLicensePlateResponseBodyDataPlates> recognizeLicensePlateResponseBodyDataPlates = Optional.of(response).map(RecognizeLicensePlateResponse::getBody).map(RecognizeLicensePlateResponseBody::getData).map(RecognizeLicensePlateResponseBody.RecognizeLicensePlateResponseBodyData::getPlates).orElse(null);
if (CollUtil.isNotEmpty(recognizeLicensePlateResponseBodyDataPlates)) {
RecognizeLicensePlateResponseBody.RecognizeLicensePlateResponseBodyDataPlates data = recognizeLicensePlateResponseBodyDataPlates.get(0);
String plateNumber = data.getPlateNumber();
System.out.println(plateNumber);
}
} catch (TeaException error) {
// 获取整体报错信息
System.out.println(com.aliyun.teautil.Common.toJSONString(error));
// 获取单个字段
System.out.println(error.getCode());
}
return "";
}
public static void main(String[] args) throws Exception {
// 创建AccessKey ID和AccessKey Secret,请参见:https://help.aliyun.com/document_detail/175144.html
// 如果您使用的是RAM用户的AccessKey,还需要为子账号授予权限AliyunVIAPIFullAccess,请参见:https://help.aliyun.com/document_detail/145025.html
// 从环境变量读取配置的AccessKey ID和AccessKey Secret。运行代码示例前必须先配置环境变量。
// String accessKeyId = System.getenv("LTAI5t6ija1dt5E5vPh4nnDX");
// String accessKeySecret = System.getenv("brRgmpD7Ch7NUiIiqKJO7kZC5jJZVA");
com.aliyun.ocr20191230.Client client = RecognizeLicensePlateAli.createClient(accessKeyId, accessKeySecret);
// 场景一,使用本地文件
// InputStream inputStream = new FileInputStream(new File("/tmp/RecognizeLicensePlate1.jpg"));
// 场景二,使用任意可访问的url
// URL url = new URL("http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeLicensePlate/cpsb1.jpg");
// InputStream inputStream = url.openConnection().getInputStream();
File file = new File("C:\\Users\\Administrator\\Desktop\\123.jpg");
// 创建InputStream
InputStream inputStream = Files.newInputStream(file.toPath());
com.aliyun.ocr20191230.models.RecognizeLicensePlateAdvanceRequest recognizeLicensePlateAdvanceRequest = new com.aliyun.ocr20191230.models.RecognizeLicensePlateAdvanceRequest()
.setImageURLObject(inputStream);
com.aliyun.teautil.models.RuntimeOptions runtime = new com.aliyun.teautil.models.RuntimeOptions();
try {
// 复制代码运行请自行打印 API 的返回值
RecognizeLicensePlateResponse response = client.recognizeLicensePlateAdvance(recognizeLicensePlateAdvanceRequest, runtime);
List<RecognizeLicensePlateResponseBody.RecognizeLicensePlateResponseBodyDataPlates> recognizeLicensePlateResponseBodyDataPlates = Optional.of(response).map(RecognizeLicensePlateResponse::getBody).map(RecognizeLicensePlateResponseBody::getData).map(RecognizeLicensePlateResponseBody.RecognizeLicensePlateResponseBodyData::getPlates).orElse(null);
if (CollUtil.isNotEmpty(recognizeLicensePlateResponseBodyDataPlates)) {
RecognizeLicensePlateResponseBody.RecognizeLicensePlateResponseBodyDataPlates data = recognizeLicensePlateResponseBodyDataPlates.get(0);
String plateNumber = data.getPlateNumber();
System.out.println(plateNumber);
}
} catch (TeaException error) {
// 获取整体报错信息
System.out.println(com.aliyun.teautil.Common.toJSONString(error));
// 获取单个字段
System.out.println(error.getCode());
}
}
}