What is Flex?

Flex is the Presentation Server (Presentation Service) released by Macromedia. It is a Java Web
Container or. NET
For an application of server, the. mxmlfile (pure XML character file and actionscriptcharacter file correspond to the. SWF file, which is sent to the client by the client
Flash Player or shockwave player is interpreted and executed to provide users with a rich user experience.

The famous Macromedia Flash is a powerful vector animation editing tool. After starting from animation production, Flash has been seeking for rich Internet
Application (RIA rich client) overlord, the most influential is, has launched the object-oriented script actionscript2.0, and is similar
Java swing class library and corresponding component (component ). Flex explains the. mxml file organization through non-flash channels such as Java or. NET.
Components and generate a .swf file. The component of Flex is similar to that of flash, but it has been improved and enhanced.

Flash can achieve the effect of Flex. Why do I need Flex? I understand that there are two reasons: 1. to cater to more
Developers (developer ). Flash is designed for designers. The UI also includes the concept and writing of Flash animation.ProgramDevelopers are not compatible
To attract more programmers such as JSP, ASP, and PHP, Macromedia released flex to describe interfaces and JSP, ASP, and PHP programs using very simple. mxml.
The. (x/d) HTML is very similar, and mxml is more standardized and standardized.

2. For a standard. You must have heard of Microsoft's next-generation system Longhorn. Microsoft will also launch a new language, XAML, and interface description.
The corresponding language is something that is very similar to Smart Client and flex. Mxml and XAML are similar... ... I don't need to talk about the column benefits.

Flex has nothing to do with J2EE/. net. Macromedia uses Java to build an application to integrate Flash technology into J2EE.
Use. NET technology to build a. NET application to integrate Flash technology into. net. It should be said that flex solves the most tedious problem between J2EE and. net, that is, web
Client issues. Microsoft is relatively mean to built-in IE (installed in advance) a lot of space, can be called by. net, such as DataGrid, Java is no way, only
It is really a headache to print a tag with the most primitive HTML, and JavaScript on the client is the most difficult to debug, No matter Java or. NET is helpless.

What is Flex builder?

A visual flex application development tool that uses markup language to generate a flash user interface and convert the designer's expected xml tag into a flash component, it can be compiled into Flash SWF files for customers to browse, so that designers and developers can create flex applications more efficiently.