java发送get请求传json数据

在Java中发送GET请求传递JSON数据，可以使用HttpClient库来实现。以下是一个示例代码：

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGetWithEntity;
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 Main {
    public static void main(String\[\] args) {
        HttpClient httpClient = HttpClientBuilder.create().build();
        String url = "http://example.com/api";
        String json = "{\"key\":\"value\"}";

        try {
            HttpGetWithEntity httpGet = new HttpGetWithEntity(url);
            httpGet.setEntity(new StringEntity(json));

            HttpResponse response = httpClient.execute(httpGet);
            String responseBody = EntityUtils.toString(response.getEntity());

            System.out.println(responseBody);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

在这个示例中，我们使用HttpClient库创建了一个HttpClient对象，并指定了请求的URL和JSON数据。然后，我们创建了一个HttpGetWithEntity对象，并将JSON数据设置为请求的实体。最后，我们执行GET请求并获取响应的内容。

请注意，这只是一个示例代码，你需要根据你的实际情况进行适当的修改。
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