方法总是多样的,现在介绍另一种生成短链接的方式:
网址缩短API文档: http://suo.im/。
接下来提供两种调用方式生成短链接:①TXT格式短网址API接口,②JSON格式短网址API接口。
Java jar包:httpclient-4.5.jar,httpclient-cache-4.5.jar,httpclient-win-4.5.jar,httpcore-4.4.1.jar,httpmime-4.5.jar,fastjson-1.2.2.jar。
下载地址:http://download.youkuaiyun.com/detail/litter_fisher/9923346。
实验代码如下:
package space;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
public class TestSuo {
static String ACTIONURL = "http://suo.im/api.php";
public static void main(String[] args) {
String longUrl = "https://www.baidu.com";
TestSuo ts = new TestSuo();
System.out.println(ts.getUrlTxt(longUrl));
System.out.println("--------------");
System.out.println(ts.getUrlJson(longUrl));
}
public String getUrlTxt(String url) {
String ret = "";
try {
String longUrlSuo = java.net.URLEncoder.encode(url,"utf-8");
String result = sendGet(ACTIONURL, "url="+longUrlSuo);
if(result==null || "".equals(result)){
return "";
}
System.out.println("--result: --" + result);
ret = result;
} catch (Exception e) {
e.printStackTrace();
}
return ret;
}
public String getUrlJson(String url) {
String ret = "";
try {
String longUrlSuo = java.net.URLEncoder.encode(url,"utf-8");
String result = sendGet(ACTIONURL, "url="+longUrlSuo+"&format=json");
if(result==null || "".equals(result)){
return "";
}
JSONObject json = JSON.parseObject(result);
System.out.println("--result: --" + json.toJSONString());
ret = json.get("url").toString();
} catch (Exception e) {
e.printStackTrace();
}
return ret;
}
/**
* 向指定URL发送GET方法的请求
* @param url 发送请求的URL
* @param param 请求参数,请求参数应该是 name1=value1&name2=value2 的形式。
* @return URL 所代表远程资源的响应结果
*/
public static String sendGet(String url, String param) {
String result = "";
BufferedReader in = null;
try {
String urlNameString = url + "?" + param;
URL realUrl = new URL(urlNameString);
// 打开和URL之间的连接
URLConnection connection = realUrl.openConnection();
// 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 建立实际的连接
connection.connect();
// 定义 BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送GET请求出现异常!" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally {
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
return result;
}
}