Flash 检查有多少sharedObject空间可用

我想知道是否有办法检查sharedObject用户本地硬盘的当前大小限制。

您可以使用sharedObject的属性。 据我所知，它显示的是一个特定共享对象的大小，而不是我所认为的所有共享对象的大小 将显示设置选项。我认为100K是默认大小，如果需要更多空间，会提示用户

文档中还有一个非常方便的示例：

"

---

“

谢谢你的回答，但我想看的是“容量”，而不是共享对象的当前大小。e、 g.查看用户是否已将限制设置为。。0、10KB、100KB（正如您所说的默认值）、1MB、10MB或未限制我明白您的意思。我一直在看文档，找不到任何有用的东西。这听起来是一件简单方便的事情。您可以尝试刷新更大的值以进行测试，如果需要，将提示用户提供更多空间。e、 g.试试{flushStatus=mySo.flush（10000）；}catch（error:error）{output.appendText（“error…无法将SharedObject写入磁盘\n”）；}我认为大多数人不会经常更改他们的设置，所以我认为对于大多数用户来说，坚持100K是安全的。指示用户在尝试刷新较大的文件之前释放更多的磁盘空间，可以使用打印屏幕使其清晰可见。我想这是最好的了。

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);

            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);
            } catch (error:Error) {
                output.appendText("Error...Could not write SharedObject to disk\n");
            }
            if (flushStatus != null) {
                switch (flushStatus) {
                    case SharedObjectFlushStatus.PENDING:
                        output.appendText("Requesting permission to save object...\n");
                        mySo.addEventListener(NetStatusEvent.NET_STATUS, onFlushStatus);
                        break;
                    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;
        }
    }
}