[ActionScript 3.0] AS向php发送二进制数据方法之——在URLRequest中构造HTTP协议发送数据

主类 HTTPSendPHP.as

 1 package 

 2 {

 3     import com.JPEGEncoder.JPGEncoder;

 4     import com.fylib.httpRequest.HttpRequestBuilder;

 5     import com.fylib.httpRequest.HttpRequestBuilderConsts;

 6     import flash.display.Bitmap;

 7     import flash.display.BitmapData;

 8     import flash.display.Loader;

 9     import flash.display.Sprite;

10     import flash.events.Event;

11     import flash.events.HTTPStatusEvent;

12     import flash.net.URLLoader;

13     import flash.net.URLRequest;

14     import flash.utils.ByteArray;

15 

16     /**

17       * ...

18       * @author Frost.Yen

19       */

20     public class HTTPSendPHP extends Sprite

21     {

22         private var bmp:Bitmap;

23         public function HTTPSendPHP()

24         {

25             var ldr:Loader = new Loader  ;

26             ldr.load(new URLRequest("image.jpg"));

27             //加载的图片;

28             ldr.contentLoaderInfo.addEventListener(Event.COMPLETE,onComplete);

29         }

30 

31         private function onComplete(e:Event):void

32         {

33             var bmpd:BitmapData = e.target.content as Bitmap.bitmapData;

34             var jpgEncoder:JPGEncoder = new JPGEncoder(80);//图片质量

35             var jpgStream:ByteArray = jpgEncoder.encode(bmpd);//将图片数据转换成ByteArray存储

36 

37             var HttpR:HttpRequestBuilder = new HttpRequestBuilder("php端地址");//php端地址

38             HttpR.writeImage("图片变量","图片名称",HttpRequestBuilderConsts.JPG,jpgStream);

39             //图片变量如："data[Image][name]";

40             HttpR.writeHttpEnd();

41             HttpR.writeSeparator();

42 

43             var loader:URLLoader = new URLLoader  ;

44             var request:URLRequest = HttpR.getURLrequest();

45             loader.load(request);

46             loader.addEventListener(HTTPStatusEvent.HTTP_STATUS,httpStatusHandler);

47             loader.addEventListener(Event.COMPLETE,onSendComplete);

48         }

49 

50         private function onSendComplete(e:Event):void

51         {

52             trace("complete");

53         }

54 

55         private function httpStatusHandler(e:HTTPStatusEvent):void

56         {

57             trace(("status is " + e.status));

58         }

59     }

60 

61 }

其他类

  1 package com.fylib.httpRequest

  2 {

  3     import flash.net.URLRequest;

  4     import flash.net.URLRequestMethod;

  5     import flash.net.URLVariables;

  6     import flash.utils.ByteArray;

  7 

  8     /**

  9       * ...

 10       * @author 

 11       */

 12     public class HttpRequestBuilder

 13     {

 14         /**

 15           * 构造的URLRequest

 16           */

 17         private var _request:URLRequest;

 18         /**

 19           * 构造的二进制ByteArray

 20           */

 21         private var _byteArray:ByteArray;

 22         /**

 23           * Http协议分割符

 24           */

 25         private var _separator:String;

 26         /**

 27           * 标志位  是否填写HTTP文件尾

 28           */

 29         private var PROTOCAL_END_SET:Boolean = false;

 30 

 31         public function HttpRequestBuilder($url:String,$separator:String="7d86d710144a")

 32         {

 33             //初始化

 34             this._separator = $separator;

 35             this._request = new URLRequest($url);

 36             this._request.method = URLRequestMethod.POST;

 37             this._request.contentType = "multipart/form-data; boundary=---------------------------" + this._separator;

 38             this._byteArray = new ByteArray  ;

 39         }

 40 

 41         /*

 42          * 写入变量

 43          * @param $name 写入的变量名

 44          * @param $value 写入的变量值

 45          */

 46         public function writeVariable($name:String,$value:String):void

 47         {

 48             writeSeparator();

 49             _byteArray.writeUTFBytes(((("Content-Disposition: form-data; name=\"" + $name) + "\"\r\n\r\n") + $value));

 50         }

 51 

 52         /*

 53          * 写入图片

 54          * @param $name 变量名

 55          * @param $filename 图片文件名

 56          * @param $type 图片类型，在HttpRequestBuilderConsts下定义

 57          * @param $content 图片二进制数据

 58          */

 59         public function writeImage($name:String,$filename:String,$type:String,$content:ByteArray):void

 60         {

 61             writeSeparator();

 62             _byteArray.writeUTFBytes((((((("Content-Disposition: form-data; name=\"" + $name) + "\"; filename=\"") + $filename) + "\"\r\nContent-Type: ") + $type) + "\r\n\r\n"));

 63             _byteArray.writeBytes($content);

 64         }

 65 

 66         /*

 67          * 构造HTTP分割线

 68          */

 69         public function writeSeparator():void

 70         {

 71             _byteArray.writeUTFBytes((("\r\n-----------------------------" + separator) + "\r\n"));

 72         }

 73 

 74         /*

 75          * 构造HTTP结尾,只能调用一次，二次调用会抛出错误

 76          */

 77         public function writeHttpEnd():void

 78         {

 79             if (! PROTOCAL_END_SET)

 80             {

 81                 _byteArray.writeUTFBytes((("\r\n-----------------------------" + separator) + "--"));

 82                 PROTOCAL_END_SET = true;

 83             }

 84             else

 85             {

 86                 throw new Error("Write the Http End More Than Once");

 87             }

 88         }

 89 

 90         /*

 91          * 获取构造好的URLRequest

 92          */

 93         public function getURLrequest():URLRequest

 94         {

 95             return this.request;

 96         }

 97 

 98         //get set

 99         public function get separator():String

100         {

101             return _separator;

102         }

103         /*public function set separator(value:String):void

104           {

105            //TODO 替换之前写入的内容

106            _separator = value;

107           }*/

108 

109         /*

110          * 获取前会检查是否写入HTTP结尾，未调用的话会报错

111          */

112         public function get request():URLRequest

113         {

114             if (! PROTOCAL_END_SET)

115             {

116                 throw new Error("Havn't Write the Http End Yet");

117             }//??还是应该自动构造

118             _request.data = _byteArray;

119             return _request;

120         }

121     }

122 

123 }

 1 package com.fylib.httpRequest

 2 {

 3     /**

 4       * ...

 5       * @author 

 6       */

 7     public class HttpRequestBuilderConsts

 8     {

 9         public static const JPG:String = "image/jpeg";

10         public static const PNG:String = "image/x-png";

11 

12         public function HttpRequestBuilderConsts()

13         {

14 

15         }

16 

17     }

18 

19 }