如何将内容从 php 页面发送到 java 应用程序


How to send something from php page to java application?

我正在用php制作一个管理面板来控制我的Java应用程序。我知道如何在java中向php发送请求。 例如我有这个链接:

myPage.com/admin/statusServers&id=10(此页打印f.e "OK")

在Java中,我可以阅读这个" OK",但是如何将"request"从php发送到java?像这样:

myPage.com/admin/resetApp&pass=312&user=123

我的目的是让应用接收此内容,验证用户传递组合,然后重置某些内容。我是否需要以 1 秒的延迟进行无限循环来检查请求或类似的东西?

Java和PHP在同一台机器上?

PHP 到 JAVA

http://php-java-bridge.sourceforge.net/pjb/

因此,我设置了一个非常基本的测试,以查看我是否可以将数据从php网页发送到在同一服务器上运行的java应用程序。

java应用程序非常简单,它只是在TCP套接字上侦听数据

import java.io.*;
import java.net.*;
class TCPServer
{
   public static void main(String argv[]) throws Exception
      {
         String clientSentence;
         String capitalizedSentence;
         ServerSocket welcomeSocket = new ServerSocket(6789);
         while(true)
         {
            Socket connectionSocket = welcomeSocket.accept();
            BufferedReader inFromClient =
               new BufferedReader(new InputStreamReader(connectionSocket.getInputStream()));
            DataOutputStream outToClient = new DataOutputStream(connectionSocket.getOutputStream());
            clientSentence = inFromClient.readLine();
            System.out.println("Received: " + clientSentence);
            capitalizedSentence = clientSentence.toUpperCase() + ''n';
            outToClient.writeBytes(capitalizedSentence);
            connectionSocket.close();
         }
      }
}

方法 1

$host = "tcp://localhost"; 
$port = 6789;
$data = 'test' . PHP_EOL; 
$errstr = '';
$errno = '';
if ( ($fp = fsockopen($host, $port, $errno, $errstr, 3) ) === FALSE)
    echo "$errstr ($errno)";
else {
    print 'SUCCESS!<br />';
    fwrite($fp, $data);
    while (! feof($fp)) {
      echo fgets($fp, 4096);
    }
    fclose($fp);
}

方法 2

$host = "localhost"; 
$port = 6789;
$data = 'test';
if ( ($socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) === FALSE )
    echo "socket_create() failed: reason: " . socket_strerror(socket_last_error());
else 
{
    echo "Attempting to connect to '$host' on port '$port'...<br>";
    if ( ($result = socket_connect($socket, $host, $port)) === FALSE )
        echo "socket_connect() failed. Reason: ($result) " . socket_strerror(socket_last_error($socket));
    else {
        echo "Sending data...<br>";
        socket_write($socket, $data, strlen($data));
        echo "OK<br>";
        echo "Reading response:<br>";
        while ($out = socket_read($socket, 2048)) {
            echo $out;
        }
    }
    socket_close($socket);      
}

编辑

从 JAVA 到 PHP

有很多方法可以做到这一点我认为任何系统都用于从 php 调用操作命令

if( isset($_GET["user"]) && isset($_GET["pass"]) ){
  echo system("java myjavaprogram . " .$_GET["user"])
  // Then args will be an array containing the strings $_GET["user"]
}

和 Java 程序接收命令并触发操作

public static void main(String [] args) {
   String user = args[0]; // user
   // etc.. etc 
}

你也可以使用 curl parea 从 php 发出任何请求

if( isset($_GET["user"]) && isset($_GET["pass"]) ){
    $ch = curl_init("http://127.0.0.1:8080/servlet");
    $fp = fopen("test.txt", "w");
    curl_setopt($ch, CURLOPT_FILE, $fp);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_exec($ch);
    curl_close($ch);
    fclose($fp);
}

我希望我有所帮助