URLLoader+URLRequest+JPGEncoder实现BitmapData图片数据保存

package project.test {

import flash.display.*;

import flash.net.*;

import flash.events.*;

import flash.utils.ByteArray;

import fl.controls.Button;

import com.klstudio.images.JPGEncoder;

public class Test12 extends Sprite{

private var _base:Shape;

private var _rnd_button:Button;

private var _submit_button:Button;

private static const UPLOAD_PAGE:String="http://localhost:8080/upload.jsp";

public function Test12(){

_base = new Shape();

_base.x = _base.y = 5;

addChild(_base);

drawLine();

_rnd_button = new Button();

_rnd_button.label = "随机画图";

_rnd_button.setSize(90,22);

_rnd_button.move(5,205);

_rnd_button.addEventListener(MouseEvent.CLICK,clickHandler);

addChild(_rnd_button);

_submit_button = new Button();

_submit_button.label = "保存图片";

_submit_button.setSize(90,22);

_submit_button.move(105,205);

_submit_button.addEventListener(MouseEvent.CLICK,clickHandler);

addChild(_submit_button);

}

public function drawRndRect():void{

_base.graphics.beginFill(getRndColor());

var gWidth:uint = getRndInt();

var gHeight:uint = getRndInt();

var gX:uint = getRndInt(5,180-gWidth+5);

var gY:uint = getRndInt(5,180-gHeight+5);

_base.graphics.drawRect(gX,gY,gWidth,gHeight);

}

public function getRndInt(min:uint=10,max:uint=180):uint{

return uint(Math.random()*(max-min))+min;

}

public function getRndColor():uint{

var r:uint = getRndInt(10,220);

var g:uint = getRndInt(10,220);

var b:uint = getRndInt(10,220);

var c:uint = (r << 16) + (g << 8) + b;

return c;

}

public function drawLine():void{

_base.graphics.beginFill(0x666666);

_base.graphics.drawRect(0,0,190,190);

_base.graphics.beginFill(0xFFFFFF);

_base.graphics.drawRect(1,1,188,188);

_base.graphics.endFill();

}

public function getBitmapData():BitmapData{

var bmd:BitmapData = new BitmapData(_base.width,_base.height);

bmd.draw(_base);

return bmd;

}

public function submit():void{

_rnd_button.enabled = false;

_submit_button.enabled = false;

var encoder:JPGEncoder = new JPGEncoder(80);

var bytes:ByteArray = encoder.encode(getBitmapData());

var request:URLRequest = new URLRequest(UPLOAD_PAGE);

//data值就为图片编码数据ByteArray;

request.data = bytes;

request.method = URLRequestMethod.POST;

//这个是关键,内容类型必须是下面文件流形式;

request.contentType = "application/octet-stream";

var loader:URLLoader = new URLLoader();

loader.addEventListener(Event.COMPLETE, completeHandler);

loader.addEventListener(IOErrorEvent.IO_ERROR,errorHandler);

loader.load(request);

}

private function completeHandler(event:Event):void{

trace("图片上传成功");

_rnd_button.enabled = true;

_submit_button.enabled = true;

}

private function errorHandler(event:IOErrorEvent):void{

trace("图片上传失败");

_rnd_button.enabled = true;

_submit_button.enabled = true;

}

private function clickHandler(event:MouseEvent):void{

switch(event.target){

case _rnd_button:

_base.graphics.clear();

drawLine();

drawRndRect();

drawRndRect();

drawRndRect();

drawRndRect();

break;

case _submit_button:

submit();

break;

}

}

}

}

package project.test {

import flash.display.*;

import flash.net.*;

import flash.events.*;

import flash.utils.ByteArray;

import fl.controls.Button;

import com.klstudio.images.JPGEncoder;

public class Test12 extends Sprite{

private var _base:Shape;

private var _rnd_button:Button;

private var _submit_button:Button;

private static const UPLOAD_PAGE:String="http://localhost:8080/upload.jsp";

public function Test12(){

_base = new Shape();

_base.x = _base.y = 5;

addChild(_base);

drawLine();

_rnd_button = new Button();

_rnd_button.label = "随机画图";

_rnd_button.setSize(90,22);

_rnd_button.move(5,205);

_rnd_button.addEventListener(MouseEvent.CLICK,clickHandler);

addChild(_rnd_button);

_submit_button = new Button();

_submit_button.label = "保存图片";

_submit_button.setSize(90,22);

_submit_button.move(105,205);

_submit_button.addEventListener(MouseEvent.CLICK,clickHandler);

addChild(_submit_button);

}

public function drawRndRect():void{

_base.graphics.beginFill(getRndColor());

var gWidth:uint = getRndInt();

var gHeight:uint = getRndInt();

var gX:uint = getRndInt(5,180-gWidth+5);

var gY:uint = getRndInt(5,180-gHeight+5);

_base.graphics.drawRect(gX,gY,gWidth,gHeight);

}

public function getRndInt(min:uint=10,max:uint=180):uint{

return uint(Math.random()*(max-min))+min;

}

public function getRndColor():uint{

var r:uint = getRndInt(10,220);

var g:uint = getRndInt(10,220);

var b:uint = getRndInt(10,220);

var c:uint = (r << 16) + (g << 8) + b;

return c;

}

public function drawLine():void{

_base.graphics.beginFill(0x666666);

_base.graphics.drawRect(0,0,190,190);

_base.graphics.beginFill(0xFFFFFF);

_base.graphics.drawRect(1,1,188,188);

_base.graphics.endFill();

}

public function getBitmapData():BitmapData{

var bmd:BitmapData = new BitmapData(_base.width,_base.height);

bmd.draw(_base);

return bmd;

}

public function submit():void{

_rnd_button.enabled = false;

_submit_button.enabled = false;

var encoder:JPGEncoder = new JPGEncoder(80);

var bytes:ByteArray = encoder.encode(getBitmapData());

var request:URLRequest = new URLRequest(UPLOAD_PAGE);

//data值就为图片编码数据ByteArray;

request.data = bytes;

request.method = URLRequestMethod.POST;

//这个是关键,内容类型必须是下面文件流形式;

request.contentType = "application/octet-stream";

var loader:URLLoader = new URLLoader();

loader.addEventListener(Event.COMPLETE, completeHandler);

loader.addEventListener(IOErrorEvent.IO_ERROR,errorHandler);

loader.load(request);

}

private function completeHandler(event:Event):void{

trace("图片上传成功");

_rnd_button.enabled = true;

_submit_button.enabled = true;

}

private function errorHandler(event:IOErrorEvent):void{

trace("图片上传失败");

_rnd_button.enabled = true;

_submit_button.enabled = true;

}

private function clickHandler(event:MouseEvent):void{

switch(event.target){

case _rnd_button:

_base.graphics.clear();

drawLine();

drawRndRect();

drawRndRect();

drawRndRect();

drawRndRect();

break;

case _submit_button:

submit();

break;

}

}

}

}

<%@ page contentType="text/html; charset=utf-8" language="java"%>

<%@ page import="java.util.*"%>

<%@ page import="java.io.*"%>

<%

int v;

String filePath = request.getRealPath(System.currentTimeMillis()+".jpg");

BufferedInputStream inputStream = new BufferedInputStream(request.getInputStream());

FileOutputStream outputStream = new FileOutputStream(new File(filePath));

byte [] bytes = new byte[1024];

while((v=inputStream.read(bytes))>0){

outputStream.write(bytes,0,v);

}

outputStream.close();

inputStream.close();

%>

222222

package project.test {

import flash.display.*;

import flash.net.*;

import flash.events.*;

import flash.utils.ByteArray;

import fl.controls.Button;

import com.klstudio.images.JPGEncoder;

public class Test12 extends Sprite{

private var _base:Shape;

private var _rnd_button:Button;

private var _submit_button:Button;

private static const UPLOAD_PAGE:String="http://localhost:8080/upload.jsp";

public function Test12(){

_base = new Shape();

_base.x = _base.y = 5;

addChild(_base);

drawLine();

_rnd_button = new Button();

_rnd_button.label = "随机画图";

_rnd_button.setSize(90,22);

_rnd_button.move(5,205);

_rnd_button.addEventListener(MouseEvent.CLICK,clickHandler);

addChild(_rnd_button);

_submit_button = new Button();

_submit_button.label = "保存图片";

_submit_button.setSize(90,22);

_submit_button.move(105,205);

_submit_button.addEventListener(MouseEvent.CLICK,clickHandler);

addChild(_submit_button);

}

public function drawRndRect():void{

_base.graphics.beginFill(getRndColor());

var gWidth:uint = getRndInt();

var gHeight:uint = getRndInt();

var gX:uint = getRndInt(5,180-gWidth+5);

var gY:uint = getRndInt(5,180-gHeight+5);

_base.graphics.drawRect(gX,gY,gWidth,gHeight);

}

public function getRndInt(min:uint=10,max:uint=180):uint{

return uint(Math.random()*(max-min))+min;

}

public function getRndColor():uint{

var r:uint = getRndInt(10,220);

var g:uint = getRndInt(10,220);

var b:uint = getRndInt(10,220);

var c:uint = (r << 16) + (g << 8) + b;

return c;

}

public function drawLine():void{

_base.graphics.beginFill(0x666666);

_base.graphics.drawRect(0,0,190,190);

_base.graphics.beginFill(0xFFFFFF);

_base.graphics.drawRect(1,1,188,188);

_base.graphics.endFill();

}

public function getBitmapData():BitmapData{

var bmd:BitmapData = new BitmapData(_base.width,_base.height);

bmd.draw(_base);

return bmd;

}

public function submit():void{

_rnd_button.enabled = false;

_submit_button.enabled = false;

var encoder:JPGEncoder = new JPGEncoder(80);

var bytes:ByteArray = encoder.encode(getBitmapData());

var request:URLRequest = new URLRequest(UPLOAD_PAGE);

//data值就为图片编码数据ByteArray;

request.data = bytes;

request.method = URLRequestMethod.POST;

//这个是关键,内容类型必须是下面文件流形式;

request.contentType = "application/octet-stream";

var loader:URLLoader = new URLLoader();

loader.addEventListener(Event.COMPLETE, completeHandler);

loader.addEventListener(IOErrorEvent.IO_ERROR,errorHandler);

loader.load(request);

}

private function completeHandler(event:Event):void{

trace("图片上传成功");

_rnd_button.enabled = true;

_submit_button.enabled = true;

}

private function errorHandler(event:IOErrorEvent):void{

trace("图片上传失败");

_rnd_button.enabled = true;

_submit_button.enabled = true;

}

private function clickHandler(event:MouseEvent):void{

switch(event.target){

case _rnd_button:

_base.graphics.clear();

drawLine();

drawRndRect();

drawRndRect();

drawRndRect();

drawRndRect();

break;

case _submit_button:

submit();

break;

}

}

}

}