springboot新浪微博短链接生成 redis缓存5分钟

ShortUrlUtil 

package com.ljzforum.platform.util;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.net.URLEncoder;

public class ShortUrlUtil {
	protected static Logger logger = LoggerFactory.getLogger(ShortUrlUtil.class);
	/**
	 * 获取短链接url
	 * */
	public static String getShortUrl(String url){
		if(StringUtils.isBlank(url)){
			return "";
		}
		try {
			url=URLEncoder.encode(url, "UTF-8");
			String requestUrl="http://api.t.sina.com.cn/short_url/shorten.json?source=2849184197&url_long="+url;
			HttpClient httpClient = new HttpClient();
			String data = httpClient.sendGet(requestUrl);
			if(StringUtils.isBlank(data)){
				data = httpClient.sendGet(requestUrl);
			}
			if(StringUtils.isBlank(data)){
				return "";
			}
			JSONArray jsonArray =JSONArray.fromObject(data);
			JSONObject jsonObject =(JSONObject) jsonArray.get(0);
			String shortUrl =  jsonObject.getString("url_short");
			if(shortUrl.equals("http://t.cn/")){
				return url;
			}else{
				return shortUrl;
			}
		} catch (Exception e) {
			logger.error("获取短链接url失败 url="+url);
		}
		return url;
	}
	public static void main(String[] args) {
		String url=getShortUrl("http://www.baidu.com");	
		System.out.println(url);
	}
}

redis缓存5分钟

    @Autowired
	private RedisTemplate redisTemplate;	
	/**
	 * 将链接缓存5分钟
	 */
	private String activityShortUrl(Integer id){
		String shortUrl = "";
		String urlKey = “PARTNER:SHORTURL:”+id;
		if (redisTemplate.hasKey(urlKey)) {
			shortUrl = (String) redisTemplate.opsForValue().get(urlKey);
			return shortUrl;
		}
		shortUrl = ShortUrlUtil.getShortUrl("你的长链接");
		if (StringUtils.isNotBlank(shortUrl) && !shortUrl.equals("http://t.cn/")) {
			redisTemplate.opsForValue().set(urlKey, shortUrl, 5, TimeUnit.MINUTES);
		}
		return shortUrl;
	}

参考文章:
https://www.sojson.com/blog/330.html
https://blog.csdn.net/Kindle_code/article/details/77098007

标签：return,springboot,url,redis,shortUrl,import,data,微博短,String
来源： https://blog.csdn.net/qq_39313596/article/details/100554450