package {
import flash.display.Sprite;
import flash.events.MouseEvent;
import flash.events.NetStatusEvent;
import flash.net.SharedObject;
import flash.net.SharedObjectFlushStatus;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
import flash.text.TextFieldType;
public class SharedObjectExample extends Sprite {
private var mySo:SharedObject;
public function SharedObjectExample() {
buildUI();
saveBtn.addEventListener(MouseEvent.CLICK, saveValue);
clearBtn.addEventListener(MouseEvent.CLICK, clearValue);
//默认路径是根据swf的路径来决定的，路径上不要用中文
//比如swf地址：E:/testSharedObject/test.swf,那么默认路径就是win7系统
//C:/Users/Administrator/AppData/Roaming/Macromedia/Flash Player/#SharedObjects/CZ3BWEGE/localhost/
testSharedObject/test.swf/application-name.sol
//路径并不是可以任意指定的，只能在默认的共享路径上选择
//上面例子可选路径有：
// "/"
// "/testSharedObject"
// "/testSharedObject/test.swf"
//而 "/" 由于与swf路径无关（即使swf移动了位置），所以当作共享数据的路径
mySo = SharedObject.getLocal("application-name");
output.appendText("SharedObject loaded...\n");
output.appendText("loaded value: " + mySo.data.savedValue + "\n\n");
}
private function saveValue(event:MouseEvent):void {
output.appendText("saving value...\n");
mySo.data.savedValue = input.text;
var flushStatus:String = null;
try {
flushStatus = mySo.flush(10000);//必须分配给此对象的最小磁盘空间（以字节为单位）
} catch (error:Error) {
output.appendText("Error...Could not write SharedObject to disk\n");
}
if (flushStatus != null) {
switch (flushStatus) {
//用户允许来自此域的对象进行本地信息存储，但所分配的空间量不足以存储该对象
case SharedObjectFlushStatus.PENDING:
output.appendText("Requesting permission to save object...\n");
mySo.addEventListener(NetStatusEvent.NET_STATUS, onFlushStatus);
break;
//共享对象已成功写入本地磁盘上的文件
case SharedObjectFlushStatus.FLUSHED:
output.appendText("Value flushed to disk.\n");
break;
}
}
output.appendText("\n");
}
private function clearValue(event:MouseEvent):void {
output.appendText("Cleared saved value...Reload SWF and the value should be \"undefined\".\n\n");
delete mySo.data.savedValue;
}
private function onFlushStatus(event:NetStatusEvent):void {
output.appendText("User closed permission dialog...\n");
switch (event.info.code) {
case "SharedObject.Flush.Success":
output.appendText("User granted permission -- value saved.\n");
break;
case "SharedObject.Flush.Failed":
output.appendText("User denied permission -- value not saved.\n");
break;
}
output.appendText("\n");
mySo.removeEventListener(NetStatusEvent.NET_STATUS, onFlushStatus);
}
// UI elements
private var inputLbl:TextField;
private var input:TextField;
private var output:TextField;
private var saveBtn:Sprite;
private var clearBtn:Sprite;
private function buildUI():void {
// input label
inputLbl = new TextField();
addChild(inputLbl);
inputLbl.x = 10;
inputLbl.y = 10;
inputLbl.text = "Value to save:";
// input TextField
input = new TextField();
addChild(input);
input.x = 80;
input.y = 10;
input.width = 100;
input.height = 20;
input.border = true;
input.background = true;
input.type = TextFieldType.INPUT;
// output TextField
output = new TextField();
addChild(output);
output.x = 10;
output.y = 35;
output.width = 250;
output.height = 250;
output.multiline = true;
output.wordWrap = true;
output.border = true;
output.background = true;
// Save button
saveBtn = new Sprite();
addChild(saveBtn);
saveBtn.x = 190;
saveBtn.y = 10;
saveBtn.useHandCursor = true;
saveBtn.graphics.lineStyle(1);
saveBtn.graphics.beginFill(0xcccccc);
saveBtn.graphics.drawRoundRect(0, 0, 30, 20, 5, 5);
var saveLbl:TextField = new TextField();
saveBtn.addChild(saveLbl);
saveLbl.text = "Save";
saveLbl.selectable = false;
// Clear button
clearBtn = new Sprite();
addChild(clearBtn);
clearBtn.x = 230;
clearBtn.y = 10;
clearBtn.useHandCursor = true;
clearBtn.graphics.lineStyle(1);
clearBtn.graphics.beginFill(0xcccccc);
clearBtn.graphics.drawRoundRect(0, 0, 30, 20, 5, 5);
var clearLbl:TextField = new TextField();
clearBtn.addChild(clearLbl);
clearLbl.text = "Clear";
clearLbl.selectable = false;
}
}
}
