1.新增文件工具类

fhx

2023-04-06 c1a9eee9c9aa0d3c7592fa75e70243e0297b3a0d

 src/main/java/com/hx/util/HttpUtil.java

@@ -3,6 +3,7 @@
import net.sf.json.JSONException;
import net.sf.json.JSONObject;
import org.apache.commons.io.IOUtils;
import org.bouncycastle.util.encoders.UTF8;
import org.springframework.web.multipart.MultipartFile;

import javax.activation.MimetypesFileTypeMap;
@@ -11,6 +12,8 @@
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
@@ -106,6 +109,98 @@
        }
        in.close();
        System.err.println("result:" + result);
        return result;
    }

    /**
     * 带header的post请求
     * @param generalUrl
     * @param header
     * @param params
     * @return
     * @throws Exception
     */
    public static String post(String generalUrl, Map<String, String> header, String params)
            throws Exception {
        URL url = new URL(generalUrl);
        // 打开和URL之间的连接
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        // 设置通用的请求属性
        connection.setRequestProperty("Connection", "Keep-Alive");
        if(header != null)
        {
            for(String key : header.keySet())
            {
                connection.setRequestProperty(key, header.get(key));
            }
        }

        connection.setUseCaches(false);
        connection.setDoOutput(true);
        connection.setDoInput(true);

        // 得到请求的输出流对象
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        out.write(params.getBytes("UTF-8"));
        out.flush();
        out.close();

        // 建立实际的连接
        connection.connect();
        // 定义 BufferedReader输入流来读取URL的响应
        BufferedReader in = null;
        in = new BufferedReader(
                new InputStreamReader(connection.getInputStream(), "UTF-8"));
        String result = "";
        String getLine;
        while ((getLine = in.readLine()) != null) {
            result += getLine;
        }
        in.close();

        return result;
    }

    /**
     * 带header的get请求
     * @param generalUrl
     * @param header
     * @return
     * @throws Exception
     */
    public static String get(String generalUrl, Map<String, String> header)
            throws Exception {
        URL url = new URL(generalUrl);
        // 打开和URL之间的连接
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("GET");
        // 设置通用的请求属性
        connection.setRequestProperty("Connection", "Keep-Alive");
        if(header != null)
        {
            for(String key : header.keySet())
            {
                connection.setRequestProperty(key, header.get(key));
            }
        }

        connection.setUseCaches(false);
        connection.setDoOutput(true);
        connection.setDoInput(true);

        // 建立实际的连接
        connection.connect();
        // 定义 BufferedReader输入流来读取URL的响应
        BufferedReader in = null;
        in = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
        String result = "";
        String getLine;
        while ((getLine = in.readLine()) != null) {
            result += getLine;
        }
        in.close();

        return result;
    }

@@ -559,4 +654,5 @@
        }
        return res;
    }

}