package com.stylefeng.guns.modular.system.utils;

import com.alibaba.fastjson.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;

/**
 * <p>
 *
 * </p>
 *
 * @Author: lisy
 * @date: 2022/12/7 16:41
 * @Description:
 */


public class HttpRequest {

    public static void main(String[] args) {
        //发送 GET 请求
        String s = cn.hutool.http.HttpRequest.get("http://mobile.fmcsa.dot.gov/qc/services/carriers/name/greyhound?webKey=59ed4972942476ba86e3272d892ef1628cf86003")
                .header("user-agent","Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36")
                .header("cookie","_ga=GA1.2.1226281326.1675309614; _gid=GA1.2.1467106222.1675309614; _ga=GA1.4.1226281326.1675309614; _gid=GA1.4.1467106222.1675309614; AWSALB=1bWqINVI+LJP87FTEXfEw1Ob1nkbr+I4baSbUGUmu5+/LdiqL9ic04Nj7F0Vz3rvharAG7a8dVe3MX6YMNEbUINVr++CCv/UBw6JeCRS0PcbRLxK7wVHb1lPT8Jl; AWSALBCORS=1bWqINVI+LJP87FTEXfEw1Ob1nkbr+I4baSbUGUmu5+/LdiqL9ic04Nj7F0Vz3rvharAG7a8dVe3MX6YMNEbUINVr++CCv/UBw6JeCRS0PcbRLxK7wVHb1lPT8Jl")
                .header("path","/qc/services/carriers/name/greyhound?webKey=59ed4972942476ba86e3272d892ef1628cf86003")
                .execute().body();
        System.out.println(s);

        //发送 POST 请求
//        String sr=HttpRequest.sendPost("http://www.toutiao.com/stream/widget/local_weather/data/?city=%E4%B8%8A%E6%B5%B7", "");
//        JSONObject json = JSONObject.parseObject(sr);
//        System.out.println(json.get("data"));
    }

    /**
     * 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/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36");
            connection.setRequestProperty("Authorization", "Token iVXSeqMEhdYvAj2bgA8tiWdE");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                System.out.println(key + "--->" + map.get(key));
            }
            // 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;
    }

    /**
     * 向指定 URL 发送POST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 所代表远程资源的响应结果
     */
    public static String sendPost(String url, JSONObject param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Authorization", "Token iVXSeqMEhdYvAj2bgA8tiWdE");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！" + e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }


}