1 package {
2 import flash.display.Sprite;
3 import flash.events.MouseEvent;
4 import flash.events.NetStatusEvent;
5 import flash.net.SharedObject;
6 import flash.net.SharedObjectFlushStatus;
7 import flash.text.TextField;
8 import flash.text.TextFieldAutoSize;
9 import flash.text.TextFieldType;
10
11 public class SharedObjectExample extends Sprite {
12
13 private var mySo:SharedObject;
14
15 public function SharedObjectExample() {
16 buildUI();
17 saveBtn.addEventListener(MouseEvent.CLICK, saveValue);
18 clearBtn.addEventListener(MouseEvent.CLICK, clearValue);
19 //默认路径是根据swf的路径来决定的，路径上不要用中文
20 //比如swf地址：E:/testSharedObject/test.swf,那么默认路径就是win7系统
21 //C:/Users/Administrator/AppData/Roaming/Macromedia/Flash Player/#SharedObjects/CZ3BWEGE/localhost/
testSharedObject/test.swf/application-name.sol
22 //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
23 //上面例子可选路径有：
24 // "/"
25 // "/testSharedObject"
26 // "/testSharedObject/test.swf"
27 //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
28 mySo = SharedObject.getLocal("application-name");
29 output.appendText("SharedObject loaded...\n");
30 output.appendText("loaded value: " + mySo.data.savedValue + "\n\n");
31 }
32
33 private function saveValue(event:MouseEvent):void {
34 output.appendText("saving value...\n");
35 mySo.data.savedValue = input.text;
36
37 var flushStatus:String = null;
38 try {
39 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）
40 } catch (error:Error) {
41 output.appendText("Error...Could not write SharedObject to disk\n");
42 }
43 if (flushStatus != null) {
44 switch (flushStatus) {
45 //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
46 case SharedObjectFlushStatus.PENDING:
47 output.appendText("Requesting permission to save object...\n");
48 mySo.addEventListener(NetStatusEvent.NET_STATUS, onFlushStatus);
49 break;
50 //共享对象已成功写入本地磁盘上的文件
51 case SharedObjectFlushStatus.FLUSHED:
52 output.appendText("Value flushed to disk.\n");
53 break;
54 }
55 }
56 output.appendText("\n");
57 }
58
59 private function clearValue(event:MouseEvent):void {
60 output.appendText("Cleared saved value...Reload SWF and the value should be \"undefined\".\n\n");
61 delete mySo.data.savedValue;
62 }
63
64 private function onFlushStatus(event:NetStatusEvent):void {
65 output.appendText("User closed permission dialog...\n");
66 switch (event.info.code) {
67 case "SharedObject.Flush.Success":
68 output.appendText("User granted permission -- value saved.\n");
69 break;
70 case "SharedObject.Flush.Failed":
71 output.appendText("User denied permission -- value not saved.\n");
72 break;
73 }
74 output.appendText("\n");
75
76 mySo.removeEventListener(NetStatusEvent.NET_STATUS, onFlushStatus);
77 }
78
79 // UI elements
80 private var inputLbl:TextField;
81 private var input:TextField;
82 private var output:TextField;
83 private var saveBtn:Sprite;
84 private var clearBtn:Sprite;
85
86 private function buildUI():void {
87 // input label
88 inputLbl = new TextField();
89 addChild(inputLbl);
90 inputLbl.x = 10;
91 inputLbl.y = 10;
92 inputLbl.text = "Value to save:";
93
94 // input TextField
95 input = new TextField();
96 addChild(input);
97 input.x = 80;
98 input.y = 10;
99 input.width = 100;
100 input.height = 20;
101 input.border = true;
102 input.background = true;
103 input.type = TextFieldType.INPUT;
104
105 // output TextField
106 output = new TextField();
107 addChild(output);
108 output.x = 10;
109 output.y = 35;
110 output.width = 250;
111 output.height = 250;
112 output.multiline = true;
113 output.wordWrap = true;
114 output.border = true;
115 output.background = true;
116
117 // Save button
118 saveBtn = new Sprite();
119 addChild(saveBtn);
120 saveBtn.x = 190;
121 saveBtn.y = 10;
122 saveBtn.useHandCursor = true;
123 saveBtn.graphics.lineStyle(1);
124 saveBtn.graphics.beginFill(0xcccccc);
125 saveBtn.graphics.drawRoundRect(0, 0, 30, 20, 5, 5);
126 var saveLbl:TextField = new TextField();
127 saveBtn.addChild(saveLbl);
128 saveLbl.text = "Save";
129 saveLbl.selectable = false;
130
131 // Clear button
132 clearBtn = new Sprite();
133 addChild(clearBtn);
134 clearBtn.x = 230;
135 clearBtn.y = 10;
136 clearBtn.useHandCursor = true;
137 clearBtn.graphics.lineStyle(1);
138 clearBtn.graphics.beginFill(0xcccccc);
139 clearBtn.graphics.drawRoundRect(0, 0, 30, 20, 5, 5);
140 var clearLbl:TextField = new TextField();
141 clearBtn.addChild(clearLbl);
142 clearLbl.text = "Clear";
143 clearLbl.selectable = false;
144 }
145 }
146 }
