使用HttpClient发送自定义数据类型列表

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.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class HttpClientExample {
    public static void main(String[] args) {
        // 创建HttpClient实例
        HttpClient httpClient = HttpClientBuilder.create().build();

        // 创建自定义数据类型列表
        List<CustomDataType> dataList = new ArrayList<>();
        dataList.add(new CustomDataType("data1"));
        dataList.add(new CustomDataType("data2"));
        dataList.add(new CustomDataType("data3"));

        // 创建HTTP POST请求
        HttpPost httpPost = new HttpPost("http://example.com/api/endpoint");

        // 将自定义数据类型列表转换为JSON字符串
        String json = convertToJson(dataList);

        // 设置请求的主体内容
        StringEntity requestEntity = new StringEntity(json, ContentType.APPLICATION_JSON);
        httpPost.setEntity(requestEntity);

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

            // 解析响应
            HttpEntity responseEntity = response.getEntity();
            String responseJson = EntityUtils.toString(responseEntity);
            System.out.println("Response: " + responseJson);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static String convertToJson(List<CustomDataType> dataList) {
        // 将自定义数据类型列表转换为JSON字符串的实现逻辑
        // ...
        return "";
    }

    private static class CustomDataType {
        private String data;

        public CustomDataType(String data) {
            this.data = data;
        }

        // 自定义数据类型的其他属性和方法
        // ...
    }
}