Tutorial on calling JAVA_PHP in PHP

PHP and JAVA

JAVA is a very powerful programming tool, and its extension library is also very useful. This tutorial mainly describes how to use PHP to call powerful JAVA class libraries. To facilitate your learning, this tutorial will include JAVA installation and some basic examples.

Installation under windows

Step one: Install JDK, this is very easy, you only need to press Enter all the way to install it. Then do the following steps.

Add: "PATH=%PATH%;C:jdk1.2.2bin" to the AUTOEXEC.BAT file under Win9x

Add ";C:jdk1.2.2 under NT/Win2000" bin" to the environment variable.

This step is very important so that PHP can correctly find the JAVA class that needs to be called.

Step 2: Modify your PHP.INI file.

[java]

extension=php_java.dll

java.library.path=c:webphp4extensions

java.class.path="c: webphp4extensionsjdk1.2.2php_java.jar;c:myclasses"


Add extension=php_java.dll

to PHP.INI and set java.class in [java] .path, let it point to php_java.jar. If you use new JAVA classes, you should also save it in this path. In this example, we use the c:myclasses directory.

Step 3: Test the environment and create the following PHP file:



$system = new Java("java.lang.System");

print "Java version=".$system->getProperty("java.version")."n";

print "Java vendor=".$system->getProperty(" java.vendor")."nn";

print "OS=".$system->getProperty("os.name")." ".

$system-> getProperty("os.version")." on ".

$system->getProperty("os.arch")."n";

$formatter = new Java(" java.text.SimpleDateFormat","EEEE,

MMMM dd, yyyy 'at' h:mm:ss a zzzz");

print $formatter->format(new Java( "java.util.Date"))."n";

?>


If you installed it correctly, you will see the following message:

Java version=1.2.2

Java vendor=Sun Microsystems Inc.

OS=Windows 95 4.10 on x86

Wednesday, October 18, 2000 at 10:22 :45 AM China Standard Time

In this way, we have successfully established a PHP operating environment that can use JAVA classes, and we can start our next course.

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