Detailed explanation of methods and examples of php calling its own java program

This article mainly introduces the method of php calling its own java program. It analyzes in detail the two methods of php calling java program based on third-party jar package and using dll dynamic link library file extension to call java. Friends who need it can For reference,

is as follows:

Needless to say, you need to install jdk at the beginning. I installed java ee 5 jdk

1. Download the php-java-bridge_5.2.2_j2ee.zipExtract it, there is JavaBridge.war Open it directly with winrar, go to WEB-INF/lib/JavaBridge.jar Copy this jar package to the ext/ directory of your php directory.

2. Open the war package, there is a java folder inside, copy it all to your PHP project, such as /demo/java

3. The current version is VMBridge , if you want php to call the java class, you must first start JavaBridge,

call java –jar JavaBridge.jar from the command line or double-click JavaBridge.jar, select listening port 8080 in the pop-up window

In order It will be easier to start in the future. I created a new bat file under ext/ with the following content:

@echo off
start javaw -jar JavaBridge.jar

After saving, double-click to start and there will be a prompt box to select vmbridge port by default. 8080, just click ok

4. Create a new test.php under /demo/ with the following content:

<?php
require_once("java/Java.inc");
header("content-type:text/html; charset=utf-8″);
// get instance of Java class java.lang.System in PHP
$system = new Java(&#39;java.lang.System&#39;);
$s = new Java("java.lang.String", "php-java-bridge config…<br><br>");
echo $s;
// demonstrate property access
print &#39;Java version=&#39;.$system->getProperty(&#39;java.version&#39;).&#39; <br>&#39;;
print &#39;Java vendor=&#39; .$system->getProperty(&#39;java.vendor&#39;).&#39; <br>&#39;;
print &#39;OS=&#39;.$system->getProperty(&#39;os.name&#39;).&#39; &#39;.
$system->getProperty(&#39;os.version&#39;).&#39; on &#39;.
$system->getProperty(&#39;os.arch&#39;).&#39; <br>&#39;;
// java.util.Date example
$formatter = new Java(&#39;java.text.SimpleDateFormat&#39;,
"EEEE, MMMM dd, yyyy &#39;at&#39; h:mm:ss a zzzz");
print $formatter->format(new Java(&#39;java.util.Date&#39;));
?>

5. Start apache , check http://localhost/demo/test.php

in the browser and you will see the following information:

Copy code The code is as follows:

php-java-bridge config…
Java version=1.6.0_10
Java vendor=Sun Microsystems Inc.
OS=Windows Vista 6.0 on x86
Sunday, November 23 , 2008 at 4:31:49 PM China Standard Huai Time

Custom JAR:

package ttt;
public class phptest{
 /**
 * A sample of a class that can work with PHP
 * NB: The whole class must be public to work,
 * and of course the methods you wish to call
 * directly.
 *
 * Also note that from PHP the main method
 * will not be called
 */
 public String foo;
 /**
 * Takes a string and returns the result
 * or a msg saying your string was empty
 */
 public String test(String str) {
  if(str.equals("")) {
   str = "Your string was empty. ";
  }
  return str;
 }
 /**
 * whatisfoo() simply returns the value of the variable foo.
 */
 public String whatisfoo() {
  return "foo is " + foo;
 }
 /**
 * This is called if phptest is run from the command line with
 * something like
 * java phptest
 * or
 * java phptest hello there
 */
 public static void main(String args[]) {
  phptest p = new phptest();
  if(args.length == 0) {
   String arg = "";
   System.out.println(p.test(arg));
  }else{
   for (int i = 0; i < args.length; i++) {
    String arg = args[i];
    System.out.println(p.test(arg));
   }
  }
 }
}

Generate as JAR, copy to D drive Down.

/demo/index2.php

<?
require_once("java/Java.inc");
java_require("D://1.jar");
$myj = new Java("ttt.phptest");
echo "Test Results are <b>" . $myj->test("Hello World") . "</b>";
$myj->foo = "A String Value";
echo "You have set foo to <b>" . $myj->foo . "</b><br>\n";
echo "My java method reports: <b>" . $myj->whatisfoo() . "</b><br>\n";
?>

View http://localhost/demo/index2.php

in the browser

Method 2: php_java.dll needs to configure php.ini, the new version of php-java-bridge does not have dll files

First determine your PHP and Apache servers and JDK ( or JRE can also be installed)

Go online and download php-java-bridge (find it yourself or http://sourceforge.net/project/showfiles.php?group_id=117793)

Decompress the downloaded php-java-bridge. After decompression, there will be a JavaBridge.war in the folder. Then decompress the JavaBridge.war in the same way (win rar can decompress it)
After decompression, you can download it from WEB - Find java-x86-windows.dll in the cgi folder in the INF folder, and find JavaBridge.jar in the lib folder in the WEB-INF folder

Replace java-x86-windows.dll and JavaBridge. jar to the PHP plug-in folder (in my case it is C:/AppServphp/ext), and change java-x86-windows.dll to php_java.dll

Modify the php.ini file

If php.ini does not originally have the following content, please add it yourself. If it originally has the following content, please modify it to the following [I am using JDK]

extension =php_java.dll

[Java]
;java.java = "C:\jdk1.6.0_13\bin\java"
java.class.path = "D:\php\ext\JavaBridge.jar;c:\myclasses" c:\myclasses可自定义，用来存放自己写的JAVA文件 
java.java_home = "C:\jdk1.6.0_13\jre"
java.library = "d:\jdk1.2.2\jre\bin\server\jvm.dll"
java.library.path = "D:\php\ext"

Restart Apache and check phpinfo

java
java support  Enabled
java bridge  3.0.8
java.java_home  C:\jdk1.6.0_13
java.java  C:\jdk1.6.0_13\bin\java
java.log_file  <stderr>
java.log_level  no value (use backend&#39;s default level)
java.ext_java_compatibility  Off
java command  C:\jdk1.6.0_13\bin\java -Djava.library.path=D:\php\ext -Djava.class.path=D:\php\ext/JavaBridge.jar -Djava.awt.headless=true php.java.bridge.JavaBridge INET_LOCAL:0 2
java status  running
java server  9267

Check whether the penultimate java status item is not running (this is because you have not started JavaBridge.jar). If it becomes running 890c026719a7344be26e9af8520efd8ffoo = (string) 12345678; or $myj->foo = "12345678″;

这只是一个很小的例子，你可以创建你自己的 JAVA 类，并使用 PHP 很好的调用它！关键在于理解java.class.path目录的重要性。

总结：以上就是本篇文的全部内容，希望能对大家的学习有所帮助。

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