1 Development and Operation platform
The development and implementation of Dynamic Web site is very extensive, the research time is long, the process development is complex, itself is a need through long-term co-ordination and coordination of systems engineering, need to close cooperation and management of many aspects. PHP can be combined with a series of servers such as IIS and Apache to control and adjust the problem immediately after it occurs, so that the management of website information resources becomes more efficient and passive is active. But the ASP lacks this aspect function, only can apply in the Microsoft server, the flexibility is not high. But because JSP can run in Apache, so it also applies to other servers, plus it can be recycled as long as it is written once, high level of efficiency, cross-platform strong. But PHP also has shortcomings, compared to JSP its portability is weak.
2 Developing languages and tools
Because Vbscrit and JSCRTPT scripting language are more convenient in inputting and using, well-defined, easy to express, powerful, and have universal applicability, help the system to run the daily maintenance, so most of the ASP in development will choose this language script to fill in. At the same time, with Microsoft's Dreamweaver, and other databases to effectively connect to the page preview. Of course, its role is not confined to the language program design stage, but also for the development of the whole system. JSP provides a standard, easy-to-understand language expression for developers, which helps different development designers and server systems share information about network resources. In the operation and execution phase to solve the focus of the problem is how to effectively ensure the security and integrity of the language program, it is obvious that JSP and ASP have a stronger advantage. Because the use of JSP in the market is higher than ASP, the former has great superiority in the use of development tools. This article focuses on the PHP collection of Cjava and Perl two language syntax, and on this basis has its own characteristics, that is, it can be matched with more servers, and to meet the individual needs of personalized server, in this way can make dynamic website development Organization more flexible, Break the traditional design method of fixed script language, guarantee the stability of dynamic website operation.
3 Database connections
At this stage, the popular database in the market has access and SQL two, the former is very convenient, most of the cases are used by some small site users, the latter because of its large security and stability, is usually used by some large site users. Specifically, ASP in the process of connection with the database is not directly linked, but need intermediaries, such as ODBC. Although the JSP also needs mediations to connect to the database, it can only be JDBC. In this way, users can query the information data, give full play to their own advantages. But if the database has only one, JSP can still carry out related operations, but at this time it needs Java to provide it with jdbc-odbc such a vector, in addition to the free exchange of JDBC and ODBC calls, according to the actual information access target to adjust appropriately. In most cases, databases such as access, Sybase, and Oracle can be accessed. To sum up, we can find that PHP has a variety of functions, but also directly connected to the database, in order to obtain the best operating results, compared to the previous use of the JSP and ASP of the two language programs have a higher market development potential.
4 performance
PHP is far less than JSP in terms of automatic compilation, and needs to be further improved in this area. JSP server can be automatically compiled, especially for the Java program has played a great effect, compiled the form of the script is simple and easy to understand, greatly improving the efficiency of the website data. And because the JSP code only needs to write once can be put into the recycling, so in terms of speed and quality is more advantageous. How to improve the performance of PHP in this area has become one of the important topics discussed by the Scientific Research and Development Committee in the 21st century, and becomes a new research direction in the future.
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The advantages of PHP in Dynamic web development
