添加javaweb 代码

wangrong

2021-11-24 ac1a5f4542431c28b5865acbeb81985cefdbc2a8

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package com.example.demo.utils; 
 
import com.alibaba.fastjson.JSONObject; 
import com.alibaba.fastjson.parser.Feature; 
import org.slf4j.Logger; 
import org.slf4j.LoggerFactory; 
import org.springframework.http.ResponseEntity; 
import org.springframework.web.client.HttpClientErrorException; 
import org.springframework.web.client.HttpServerErrorException; 
import org.springframework.web.client.RestTemplate; 
 
public class RestTemplateUtil { 
 
    private static Logger logger = LoggerFactory.getLogger(RestTemplateUtil.class); 
 
    public static JSONObject postDataByRestTemplate(String url, Object params, RestTemplate restTemplate){ 
        try { 
            logger.info("request for:"+url); 
            ResponseEntity<String> entity = restTemplate.postForEntity(url, JSONObject.toJSON(params), String.class); 
            String body = entity.getBody(); 
            if (!body.startsWith("{")) { 
                logger.info("response body is not start with '{' ***********************************************"); 
                body = "{\"data\":"+body+"}"; 
//                Feature feature = Feature.IgnoreNotMatch; 
                return JSONObject.parseObject(body,Feature.IgnoreNotMatch); 
            } else { 
                return JSONObject.parseObject(body,Feature.IgnoreNotMatch); 
            } 
        } catch (final HttpClientErrorException httpClientErrorException) { 
            logger.info("-------------------------------------------------------------------------------3\r\n"+url); 
            httpClientErrorException.printStackTrace(); 
        } catch (HttpServerErrorException httpServerErrorException) { 
            logger.info("-------------------------------------------------------------------------------2\r\n"+url); 
            httpServerErrorException.printStackTrace(); 
        } catch (Exception exception) { 
            logger.info("-------------------------------------------------------------------------------1"); 
            exception.printStackTrace(); 
        } 
        return null; 
 
 
    } 
 
    public static JSONObject getDataByRestTemplate(String url, RestTemplate restTemplate){ 
        try { 
            logger.info("request for:"+url); 
            ResponseEntity<String> entity = restTemplate.getForEntity(url, String.class); 
            String body = entity.getBody(); 
            if (!body.startsWith("{")) { 
                logger.info("response body is not start with '{' ***********************************************"); 
                body = "{\"data\":"+body+"}"; 
                return JSONObject.parseObject(body); 
            } else { 
                return JSONObject.parseObject(body); 
            } 
        } catch (final HttpClientErrorException httpClientErrorException) { 
            logger.info("-------------------------------------------------------------------------------3\r\n"+url); 
            httpClientErrorException.printStackTrace(); 
        } catch (HttpServerErrorException httpServerErrorException) { 
            logger.info("-------------------------------------------------------------------------------2\r\n"+url); 
            httpServerErrorException.printStackTrace(); 
        } catch (Exception exception) { 
            logger.info("-------------------------------------------------------------------------------1"); 
            exception.printStackTrace(); 
        } 
        return null; 
    } 
 
}