調用第三方接口將長連接改爲短鏈接

接口API http://suo.im/

package com.gbcom.gidata.util;

import java.util.HashMap;
import java.util.Map;

/**
 * TODO(工具類：藉助第三方，將長連接轉換爲短連接)
 * <p>
 *
 */
public class ShortUrlUtil {

    // http://suo.im/api.htm?
    // url=urlencode('要縮短的網址')&
    // key=5d26a7a5b1a9c76cebd798e9@g244bad85b6b80baf183867585c7c6bfe&
    // expireDate=2019-03-31

    public static String generateShortUrl(String url,String expireDate){
        Map<String,String> map = new HashMap<>();
        map.put("url",url);
        map.put("expireDate",expireDate);
        map.put("key","5d26a7a5b1a9c76cebd798e9@g244bad85b6b80baf183867585c7c6bfe");
        String result = HttpClientUtil.doGet("http://suo.im/api.htm",map);
        return result;
    }

    public static void main(String[] args) {
        System.out.println(generateShortUrl("http://localhost:9528/#/login","2019-07-21"));
        //http://suo.im/5ep5Yz
    }
}

若調用失敗，可能是開發者key失效，可以登錄http://suo.im/，添加自己的key。

調用接口工具類

package com.gbcom.gidata.util;

import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.http.Consts;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

/**
* @author chenhang
* @date 2019年5月16日
*
*/
public class HttpClientUtil {

	/**
	 * 帶參數的get請求
	 * @param url
	 * @param param
	 * @return String
	 */
	public static String doGet(String url, Map<String, String> param) {
		// 創建Httpclient對象
		CloseableHttpClient httpclient = HttpClients.createDefault();
 
		String resultString = "";
		CloseableHttpResponse response = null;
		try {
			// 創建uri
			URIBuilder builder = new URIBuilder(url);
			if (param != null) {
				for (String key : param.keySet()) {
					builder.addParameter(key, param.get(key));
				}
			}
			URI uri = builder.build();
			// 創建http GET請求
			HttpGet httpGet = new HttpGet(uri);
			// 執行請求
			response = httpclient.execute(httpGet);
			// 判斷返回狀態是否爲200
			if (response.getStatusLine().getStatusCode() == 200) {
				resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (response != null) {
					response.close();
				}
				httpclient.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return resultString;
	}
	
	/**
	 * 不帶參數的get請求
	 * @param url
	 * @return String
	 */
	public static String doGet(String url) {
		return doGet(url, null);
	}
 
	/**
	 * 帶參數的post請求
	 * @param url
	 * @param param
	 * @return String
	 */
	public static String doPost(String url, Map<String, String> param) {
		// 創建Httpclient對象
		CloseableHttpClient httpClient = HttpClients.createDefault();
		CloseableHttpResponse response = null;
		String resultString = "";
		try {
			// 創建Http Post請求
			HttpPost httpPost = new HttpPost(url);
			// 創建參數列表
			if (param != null) {
				List<NameValuePair> paramList = new ArrayList<>();
				for (String key : param.keySet()) {
					paramList.add(new BasicNameValuePair(key, param.get(key)));
				}
				// 模擬表單
				UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList,Consts.UTF_8);
				httpPost.setEntity(entity);
			}
			// 執行http請求
			response = httpClient.execute(httpPost);
			resultString = EntityUtils.toString(response.getEntity(), "utf-8");
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				response.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return resultString;
	}
 
	/**
	 * 不帶參數的post請求
	 * @param url
	 * @return String
	 */
	public static String doPost(String url) {
		return doPost(url, null);
	}
	
	/**
	 * 傳送json類型的post請求
	 * @param url
	 * @param json
	 * @return String
	 */
	public static String doPostJson(String url, String json) {
		// 創建Httpclient對象
		CloseableHttpClient httpClient = HttpClients.createDefault();
		CloseableHttpResponse response = null;
		String resultString = "";
		try {
			// 創建Http Post請求
			HttpPost httpPost = new HttpPost(url);
			// 創建請求內容
			StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);
			httpPost.setEntity(entity);
			// 執行http請求
			response = httpClient.execute(httpPost);
			resultString = EntityUtils.toString(response.getEntity(), "utf-8");
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				response.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return resultString;
	}	
}