Java - Neo4J将标签放到节点的Rest调用

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 Neo4jRestClient {
    public static void main(String[] args) {
        HttpClient httpClient = HttpClientBuilder.create().build();
        HttpPost httpPost = new HttpPost("http://localhost:7474/db/data/node/{nodeId}/labels");
        httpPost.setHeader("Content-Type", "application/json");
        
        // 设置要添加标签的节点ID和要添加的标签
        String nodeId = "1";
        String label = "Person";
        
        // 构建REST请求的JSON体
        String requestBody = "[\"" + label + "\"]";
        StringEntity entity = new StringEntity(requestBody, "UTF-8");
        httpPost.setEntity(entity);
        
        try {
            HttpResponse response = httpClient.execute(httpPost);
            HttpEntity responseEntity = response.getEntity();
            String responseString = EntityUtils.toString(responseEntity, "UTF-8");
            
            // 解析响应，检查是否成功添加标签
            if (response.getStatusLine().getStatusCode() == 204) {
                System.out.println("标签添加成功！");
            } else {
                System.out.println("标签添加失败：" + responseString);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}