用java代码编写调用flink restful接口提交批处理作业

好的，以下是一个简单的Java代码示例，用于调用Flink RESTful接口提交批处理作业：

import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import java.io.IOException;

public class FlinkRestClient {

    public static void main(String[] args) throws IOException {
        String flinkRestUrl = "http://localhost:8081/jars/upload"; // Flink RESTful接口URL
        String jarPath = "/path/to/your/jar/file"; // 批处理作业jar包路径

        // 构造请求体
        String requestBody = "{\"entryClass\":\"com.example.batch.BatchJob\","
                + "\"programArgs\":[\"--input\",\"/path/to/input\",\"--output\",\"/path/to/output\"]}";

        // 构造POST请求
        HttpPost postRequest = new HttpPost(flinkRestUrl);
        postRequest.setHeader("Accept", "application/json");
        postRequest.setHeader("Content-type", "application/json");
        postRequest.setHeader("User-Agent", "FlinkRestClient/1.0");

        // 设置jar文件实体
        StringEntity fileEntity = new StringEntity(jarPath, ContentType.APPLICATION_OCTET_STREAM);
        postRequest.setEntity(fileEntity);

        // 设置请求体实体
        StringEntity bodyEntity = new StringEntity(requestBody, ContentType.APPLICATION_JSON);
        postRequest.setEntity(bodyEntity);

        // 发送POST请求
        HttpResponse response = HttpClientBuilder.create().build().execute(postRequest);

        // 解析响应
        if (response.getStatusLine().getStatusCode() == 200) {
            System.out.println("Job submitted successfully!");
        } else {
            System.out.println("Failed to submit job.");
        }
    }
}

以上代码仅供参考，实际情况中可能需要根据不同的Flink版本和RESTful接口进行修改。