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Controlling Flash with ASP A recent project has required a few things that I haven\\'t done for a while. One is dealing with Flash - which I haven\\'t done since shortly after the release of Flash 3.0. The other is to actually figure some way of getting dynamic content in without using Generator. One solution we\\'ve come up with involves jumping out of a flash movie into an ASP page, then back again. Of course our designers were a little miffed, since they\\'ve built the flash movie with all sorts of different transitions from place to place, and this solution would mean starting from the opening scene of the movie evry time. It also stank from a usability standpoint. Not so, said I To accomplish the effect of jumping back in at a specific frame, we simply load some variables into the flash movie and use them to jump to the right frame. Cool huh? Initially we had a little trouble, since designers don\\'t need to know anything about ASP, so conveying information back and forth was a little tricky, but we got there. How it works is like this In the flash Movie, the first frame has a piece of actionscript which simply reads GoToAndPlay(scene); Stop(); The syntax is slightly different in Flash 4.0 - this is Flash 5.0, but you get my drift Now, when jumping back from the ASP page to the Flash page, we tag a querystring parameter onto the links flash.asp?scene=awards flash.asp?scene=services flash.asp?scene=contact And so on. The script flash.asp looks something like this... <%@Language="JScript"%><% Response.Buffer = true; Response.Expires = -1441; var s = new String(Request.Querystring("scene")); strScene = (s!=\\'undefined\\'&&s!=\\'\\')?s:\\'default\\'; %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "DTD/xhtml1-transitional.dtd"> <html> <head> <title>Flash Control</title> </head> <body> <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=4,0,2,0" width="750" height="395"> <param name="movie" value="movie.swf?scene=<%= strScene %>"> <param name="quality" value="high"> <embed src="movie.swf?scene=<%= strScene %>" quality="high" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi? P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="750" height="395"> </embed> </object> </body> </html> So, if we have nothing in the querystring, it loads the scene \\'default\\' - else it loads whatever ASP tells it to. cool huh? This trick will work from Flash 4.0 upwards - flash 5.0 is particularly nifty, and i could get to like it... 返回类别: 教程 上一教程: 一个简朴的网上书城的例子（八） 下一教程: ASP+配置 ? ASP+配置概念（一） 您可以阅读与"用ASP控制Flash"相关的教程: · flash与ASP通信的几种方式 · ASP实现播放FLASH的例子 · ASP中撕页FLASH添加方式的优化 · FLASH与ASP通信的几种方式 · 在在FLASH中使用ASP技术 |
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