模擬 get 請求

package com.woniuxy.httpdemo;

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class SendGetDemo {
    
    public static void main(String[] args) {
        // 準備URL
        String urlS = "http://192.168.11.52/Agileone_1.2/index.php";
        
        HttpURLConnection con = null;
        InputStream inputStream = null;
        
        // 
        String key = "Cookie";
        String value = "username=admin; password=admin; PHPSESSID=14441ab0acae1ed0cef2f332ba4b0e85";
        
        try {
            URL url = new URL(urlS);
            // 獲取 HTTP 連接對象
            con = (HttpURLConnection) url.openConnection();
            // 設置請求頭信息
            con.setRequestProperty(key, value);
            // 建立連接
            con.connect();
            
            // 接收服務器相應內(nèi)容
            inputStream = con.getInputStream();
            // 長度
            int len = -1;
            // 容器
            byte[] response = new byte[1024];
            
            while ((len = inputStream.read(response)) != -1) {
                System.out.println(new String(response, 0, len, "UTF-8"));
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                inputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
            con.disconnect();;
            
        }
    }
}

模擬 post 請求

package com.woxiuxy.httpdemo;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

public class POSTDemo {
    public static void main(String[] args) {
        // URL
        String URLStr = "http://192.168.10.136/Agileone_1.2/index.php/common/login";
        OutputStream os = null;
        InputStream is = null;
        HttpURLConnection con = null;
        // 封裝URL對象
        try {
            URL url = new URL(URLStr);
            // 獲取HTTP連接
            con = (HttpURLConnection) url.openConnection();
            // 設置請求參數(shù)
            // 設置請求方式
            con.setRequestMethod("POST");
            // 設置Cookie
            con.setRequestProperty("Cookie", "PHPSESSID=c05026c0c5131dac7d880ae2a811f339");
            // 開啟OutPut流
            con.setDoOutput(true);
            // 獲取輸出流
            os = con.getOutputStream();
            // 建立連接
            con.connect();
            // 定義請求正文
            String requestContent = "username=admin&password=admin&savelogin=true";
            // 發(fā)送數(shù)據(jù)
            os.write(requestContent.getBytes());
            
            
            // 獲取服務器響應
            // 獲取輸入流
            is = con.getInputStream();
            // 讀取響應數(shù)據(jù)
            byte[] content = new byte[1024];
            int len = -1;
            while ((len = is.read(content)) != -1) {
                System.out.print(new String(content, 0, len, "UTF-8"));
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (is != null) {
                    is.close();
                }
                if (os != null) {
                    is.close();
                }
                if (con != null) {
                    con.disconnect();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}