SharedObject.getLocal("application-name")

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...
");
            output.appendText("loaded value: " + mySo.data.savedValue + "

");
        }

         private function saveValue(event:MouseEvent):void {
            output.appendText("saving value...
");
            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
");
            }
            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...
");
                        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.
");
                        break;
                }
            }
            output.appendText("
");
        }
        
        private function clearValue(event:MouseEvent):void {
            output.appendText("Cleared saved value...Reload SWF and the value should be "undefined".

");
            delete mySo.data.savedValue;
        }
        
        private function onFlushStatus(event:NetStatusEvent):void {
            output.appendText("User closed permission dialog...
");
            switch (event.info.code) {
                case "SharedObject.Flush.Success":
                    output.appendText("User granted permission -- value saved.
");
                    break;
                case "SharedObject.Flush.Failed":
                    output.appendText("User denied permission -- value not saved.
");
                    break;
            }
            output.appendText("
");

            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;
        }
    }
}