使用httpclient在html中显示文本文件中的数据

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class TextFileController {

    @GetMapping("/textfile")
    public String getTextFileContent() {
        HttpClient httpClient = HttpClientBuilder.create().build();
        HttpGet request = new HttpGet("http://example.com/textfile.txt");
        
        try {
            HttpResponse response = httpClient.execute(request);
            HttpEntity entity = response.getEntity();
            String content = EntityUtils.toString(entity);
            return content;
        } catch (Exception e) {
            e.printStackTrace();
            return "Error occurred while retrieving text file content.";
        }
    }
}