java-通过ip获取地址

添加maven依赖

<dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.3.5</version>
        </dependency>

获取IP地址工具类

package com.meeno.framework.utils;

import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import org.apache.commons.lang3.StringUtils;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Arrays;
import java.util.List;

/**
 * @description: 获取请求地址
 * @author: Wzq
 * @create: 2020-05-20 09:53
 */
public class AddressUtils {

    /**
     * 根据ip获取地址
     * @param ip
     * @return
     */
    public static String getAddress(String ip) {
        String url = "http://ip.ws.126.net/ipquery?ip=" + ip;
        String str = HttpUtil.get(url);
        if(!StrUtil.hasBlank(str)){
            String substring = str.substring(str.indexOf("{"), str.indexOf("}")+1);
            System.out.println(substring);
            JSONObject jsonObject = JSONUtil.parseObj(substring);
            String province = jsonObject.getStr("province");
            String city = jsonObject.getStr("city");
            return province + " " + city;
        }
        return null;
    }

    public static void main(String[] args) {
        String ip = "116.247.80.106";
        String result = getAddress(ip);
        System.out.println(result);
        if(StrUtil.hasBlank("")){
            System.out.println(1);
        }
    }

}