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;

         }

     }

 }