Simple conversion method from PHP to JSP

Simple conversion method from PHP to JSP

You can convert according to the syntax of the two, but you must ensure that the variables on the page are consistent. PHP is a A general open source scripting language, its biggest feature is that it is a template engine itself, and JSP is a dynamic web page technology. There are many similarities between the two.

Comparison of database access between php and jsp

jsp uses Java language to access the database through JDBC, and can easily access the database through database drivers provided by different database vendors. The interface for accessing the database is relatively unified.

PHP uses different database access interfaces for different databases, so the database access code is not very versatile. For example: a web application developed in Java only needs very few modifications to be transferred from a MySQL database to an Oracle database. PHP requires a lot of modification work.

Performance comparison between php and jsp

1. JSP is based on the Java programming language, so it supports a large number of APIs and supports a large number of third parties in web development. library. ; PHP has limited access to APIs and supports relatively few third-party libraries.

2. JSP supports object caching, but PHP does not support caching.

3. JSP is an abstraction of Java classes, so it can be garbage collected; while PHP does not support garbage collection.

4. JSP is very good at maintaining user sessions, while PHP will destroy the user's session every time.

5. JSP execution takes more time because it is converted into Servlet, compiled and executed; while PHP execution takes less time than JSP, with reduced coding and rapid development and execution, instant feedback and Higher productivity.

Comparison of the system design architecture of php and jsp

Using Java web development technology requires the use of object-oriented system design methods, while PHP still adopts process-oriented development methods. Therefore, a lot of system analysis and design work needs to be done in the early stage of development using Java.

Comparison of the cross-platform nature of php and jsp

Both Java and PHP have good cross-platform features. Almost all of them can run on different operating systems such as Linux or Windows without any modifications.

Comparison of development costs of php and jsp

The most classic combination of PHP is: PHP MySQL Apache. It is very suitable for developing small and medium-sized web applications, and the development speed is relatively fast. And all software is open source and free, which can reduce investment.

Recommended tutorial: "PHP Tutorial"

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