<dependency>
    <groupId>com.baidubce</groupId>
    <artifactId>api-explorer-sdk</artifactId>
    <version>1.0.3.1</version>
</dependency>

                                    
                                        
import com.baidubce.http.ApiExplorerClient;
import com.baidubce.http.AppSigner;
import com.baidubce.http.HttpMethodName;
import com.baidubce.model.ApiExplorerRequest;
import com.baidubce.model.ApiExplorerResponse;

// 车牌号码OCR识别 Java示例代码
public class RequestDemo {
    public static void main(String[] args) {
        String path = "http://dfplate.api.bdymkt.com/vehicle_plate";
        ApiExplorerRequest request = new ApiExplorerRequest(HttpMethodName.POST, path);
        request.setCredentials("您的 access key", "您的 secret key");

        request.addHeaderParameter("Content-Type", "application/x-www-form-urlencoded");
        
        
        String requestExample = "image=%2F9j%2F4AAQSkZJRgABAQAA......";
        request.setJsonBody(requestExample);
        

        ApiExplorerClient client = new ApiExplorerClient(new AppSigner());

        try {
          ApiExplorerResponse response = client.sendRequest(request);
          // 返回结果格式为Json字符串
          System.out.println(response.getResult());
        } catch (Exception e) {
          e.printStackTrace();
        }
    }
}
                                    

                                    
点击复制代码
                                

                                    {
    "request_id": "TIDf7802c753b3048eb8524f2dc143b7a70",
    "status": "OK",
    "image_id": "639745a2bb0a4b1eb90b58320b93a35e",
    "plates": [
      {
        "number": "京BP6893",   //车牌号
        "region": {      //坐标
          "top_left": [225, 307],
          "top_right": [296,292],
          "bottom_left": [297,320],
          "bottom_right": [227,336]
         },
         "confidence": 0.9500409036874771
      }
    ]
}
                                

                                    {
  "status": "INVALID_ARGUMENT",
  "reason": "invalid image format or size",
  "request_id": "TID8bf47ab6eda64476973cc5f5b6ebf57e"
}