超級(jí)SWF跟蹤器-巧用LocalConnection的代碼
2024-09-12 17:50:44
供稿:網(wǎng)友
FLASH中的trace只能在FLASH IDE中跟蹤看到,如果你將SWF發(fā)布到網(wǎng)上,是看不到trace的調(diào)試信息,這給開(kāi)發(fā)網(wǎng)絡(luò)FLASH帶來(lái)的調(diào)試上的困難,那有沒(méi)有好的辦法來(lái)解決這個(gè)問(wèn)題呢,不管SWF發(fā)布到什么地方,打開(kāi)一個(gè)本地SWF跟蹤器來(lái)接收調(diào)試消息那豈不是很好,因?yàn)槲覈L試了各種方法,從SharedObject的本地對(duì)象到遠(yuǎn)程對(duì)象到LocalConnection的方法都嘗試一遍(使用LocalConnection是從Breeze AddIn中發(fā)現(xiàn)的一個(gè)“秘密”,感覺(jué)SNOW給我了一個(gè)提示,發(fā)現(xiàn)了其中的“奧秘”),在需要調(diào)試的SWF中使用下面的類(lèi):
class fj.util.JTracer {
public static var debug:Boolean=true;
private static var _instance:JTracer;
private var _lc:LocalConnection;
private function JTracer(){
this._lc=new LocalConnection();
this._lc.allowDomain=function(domain:String):Boolean{
return true;
}
}
public static function trace(msg:Object):Void{
if(!JTracer.debug){
return;
}
if(JTracer._instance==undefined){
JTracer._instance=new JTracer();
}
JTracer._instance.traceMsg(msg);
}
private function traceMsg(msg:Object):Void{
trace(msg);
this._lc.send("localhost:trace","trace",this._lc.domain(),msg);
}
}
使用方法很簡(jiǎn)單,就是JTracer.trace("我來(lái)試試!");
SWF跟蹤器中的代碼如下:
import fj.util.JDelegate;
class view.JDebug {
private var _ui:MovieClip;
private var _lc:LocalConnection;
function JDebug(ui){
this._ui=ui;
this.init();
}
private function init(){
this._lc=new LocalConnection();
this._lc.allowDomain=function(domain):Boolean{
return true;
}
this._lc.connect("trace");
this._lc.trace=JDelegate.create(this,onTrace);
}
private function onTrace(domain:String,msg:Object){
this._ui.msg_ta.text+=domain+":"+msg+"/n";
}
}
這個(gè)需要放一個(gè)組件TextArea名字叫msg_ta,用來(lái)顯示跟蹤的消息!