违章记录

wang-hao-jie

2022-02-07 c9cbc0947f6fe578d1f178d73a2dd46d95bec275

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package cn.exrick.xboot.your.util;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
 
public class HttpUtil {
 
    public static String get(String url) {
        BufferedReader in = null;
        try {
            URL realUrl = new URL(url);
            // 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)");
            connection.setConnectTimeout(5000);
            connection.setReadTimeout(5000);
            // 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()));
            StringBuffer sb = new StringBuffer();
            String line;
            while ((line = in.readLine()) != null) {
                sb.append(line);
            }
            return sb.toString();
        } catch (Exception e) {
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return null;
    }
 
    public static String jsonPost2(String params,String strURL) {
        try {
            URL url = new URL(strURL);// 创建连接
            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("Accept", "application/json"); // 设置接收数据的格式
            connection.setRequestProperty("Content-Type", "application/json"); // 设置发送数据的格式
            connection.connect();
            OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), "UTF-8"); // utf-8编码
            out.append(params);
            out.flush();
            out.close();
 
            int code = connection.getResponseCode();
            InputStream is = null;
            if (code == 200) {
                is = connection.getInputStream();
            } else {
                is = connection.getErrorStream();
            }
            BufferedReader bReader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            String line, resultStr = "";
            while (null != (line = bReader.readLine())) {
                resultStr += line;
            }
            bReader.close();
            return resultStr;
        } catch (IOException e) {
            return "error";
        }
    }
 
    public static String jsonPost3(StringBuffer params,String strURL) {
        try {
            URL url = new URL(strURL);// 创建连接
            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("Accept", "application/json"); // 设置接收数据的格式
            connection.setRequestProperty("Content-Type", "application/json"); // 设置发送数据的格式
            connection.connect();
            OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), "UTF-8"); // utf-8编码
            out.append(params);
            out.flush();
            out.close();
 
            int code = connection.getResponseCode();
            InputStream is = null;
            if (code == 200) {
                is = connection.getInputStream();
            } else {
                is = connection.getErrorStream();
            }
 
            BufferedReader bReader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            String line, resultStr = "";
            while (null != (line = bReader.readLine())) {
                resultStr += line;
            }
            //System.out.println(resultStr);
            bReader.close();
            return resultStr;
        } catch (IOException e) {
            return "error";
        }
    }
 
}