1. 方式一 直接在线生成
https://dwz.cn/
2. 方式二 调用接口生成
引入gson-2.8.5.jar
可以通过maven仓库搜索下载地址
http://central.maven.org/maven2/com/google/code/gson/gson/2.8.5/gson-2.8.5.jar
import com.google.gson.annotations.SerializedName;
/**
* @program: javaTest1.8
* @description: 响应结果
* @author: Mr.Wang
* @create: 2019-05-31 12:56
**/
public class UrlResponse {
//@SerializedName注解来将对象里的属性跟json里字段对应值匹配起来。
@SerializedName("Code")
private int code;
@SerializedName("ErrMsg")
private String errMsg; //错误信息
@SerializedName("LongUrl")
private String longUrl; //长网址（原网址）
@SerializedName("ShortUrl")
private String shortUrl; //短网址
public int getCode() {
return code;
}
public void setCode(int code) {
this.code = code;
}
public String getErrMsg() {
return errMsg;
}
public void setErrMsg(String errMsg) {
this.errMsg = errMsg;
}
public String getLongUrl() {
return longUrl;
}
public void setLongUrl(String longUrl) {
this.longUrl = longUrl;
}
public String getShortUrl() {
return shortUrl;
}
public void setShortUrl(String shortUrl) {
this.shortUrl = shortUrl;
}
}
public enum StatusCodeEnum {
// 0：正常返回短网址 -1：短网址生成失败 -2：长网址不合法 -3：长网址存在安全隐患 -4：长网址插入数据库失败 -5：长网址在黑名单中，不允许注册
NORMAl(0,"正常"),
FAIL(-1,"短网址生成失败"),
WRONGFUL(-2,"长网址不合法"),
NOTSAFE(-3,"长网址存在安全隐患"),
INSERTFAIL(-4,"长网址插入数据库失败"),
BLACKLIST(-5,"长网址在黑名单中，不允许注册")
;
private Integer code;
private String message;
public Integer getCode() {
return code;
}
public String getMessage() {
return message;
}
StatusCodeEnum(Integer code, String message) {
this.code = code;
this.message = message;
}
}
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import com.google.gson.Gson;
/**
* @program: javaTest1.8
* @description: 百度短网址生成接口
* @author: Mr.Wang
* @create: 2019-05-31 12:51
**/
public class BaiduDwz {
final static String CREATE_API = "https://dwz.cn/admin/v2/create";
final static String TOKEN = "你的token"; // TODO:设置Token
/**
* 创建短网址
*
* @param longUrl
* 长网址：即原网址
* @return 成功：短网址
* 失败：返回对于的错误信息
*/
public static String createShortUrl(String longUrl) {
String params = "{\"url\":\""+ longUrl + "\"}";
String msg=null;
BufferedReader reader = null;
try {
// 创建连接
URL url = new URL(CREATE_API);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setUseCaches(false);
connection.setInstanceFollowRedirects(true);
connection.setRequestMethod("POST"); // 设置请求方式
connection.setRequestProperty("Content-Type", "application/json"); // 设置发送数据的格式
connection.setRequestProperty("Token", TOKEN); // 设置发送数据的格式");
// 发起请求
connection.connect();
OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), "UTF-8"); // utf-8编码
out.append(params);
out.flush();
out.close();
// 读取响应
reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
String line;
String res = "";
while ((line = reader.readLine()) != null) {
res += line;
}
reader.close();
// 利用gson将字符串转换成对象
UrlResponse urlResponse = new Gson().fromJson(res, UrlResponse.class);
if (urlResponse.getCode() == 0) {
msg = urlResponse.getShortUrl();
} else {
//循环输出值
for (StatusCodeEnum e : StatusCodeEnum.values()) {
if (urlResponse.getCode() == e.getCode() ){
msg =e.getMessage();
}
}
}
//return ""; // TODO：自定义错误信息
} catch (IOException e) {
// TODO
e.printStackTrace();
}
//return ""; // TODO：自定义错误信息
return msg;
}
public static void main(String[] args) {
String res = createShortUrl("http://news.cctv.com/2019/05/30/ARTIKUzYcEgVHC4KFr2pbNo9190530.shtml");
// https://dwz.cn/1xgMBFRV
System.out.println(res);
}
}