java HttpClient post文本/纯文本

import org.apache.http.HttpEntity;
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.HttpClientBuilder;
import org.apache.http.util.EntityUtils;

import java.io.IOException;

public class HttpClientExample {
    public static void main(String[] args) {
        HttpClient httpClient = HttpClientBuilder.create().build();
        HttpPost httpPost = new HttpPost("http://example.com/api/endpoint");

        try {
            // 设置请求头
            httpPost.setHeader("Content-Type", "text/plain");

            // 设置请求体
            String requestBody = "This is the request body.";
            StringEntity entity = new StringEntity(requestBody);
            httpPost.setEntity(entity);

            // 发送请求并获取响应
            HttpResponse response = httpClient.execute(httpPost);

            // 处理响应
            int statusCode = response.getStatusLine().getStatusCode();
            HttpEntity responseEntity = response.getEntity();
            String responseBody = EntityUtils.toString(responseEntity);

            System.out.println("Status Code: " + statusCode);
            System.out.println("Response Body: " + responseBody);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}