flex攝像頭拍照 java上傳到數(shù)據(jù)庫(kù) .

richsky 2012-04-16

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前兩天看了一個(gè)flex攝像頭拍照的程序感覺(jué)不錯(cuò)不過(guò)是C#

代碼的，有點(diǎn)遺憾，今天給他改成了java代碼的。

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<? xml version = "1.0" encoding = "utf-8" ?>
< mx:Application xmlns:mx = "http://www.adobe.com/2006/mxml" layout = "absolute" width = "750" height = "600" creationComplete = "initApp()" >
< mx:Style >
Alert{font-size:12px;}
</ mx:Style >
< mx:Script >
<!--[CDATA[
import mx.events.CloseEvent;
import mx.rpc.events.FaultEvent;
import mx.rpc.events.ResultEvent;
import mx.controls.Alert;
private static const DEFAULT_CAMERA_WIDTH:Number = 160 ; //攝像頭顯示寬度
private static const DEFAULT_CAMERA_HEIGHT:Number = 120 ; //攝像頭顯示高度
// private static const DEFAULT_WEBSERVICE_URL:String = "http://localhost:1888/Web/TestWebService.asmx?WSDL" ; //WebService地址
private var m_camera:Camera; //定義一個(gè)攝像頭
private var m_localVideo:Video; //定義一個(gè)本地視頻
private var m_pictureBitmapData:BitmapData //定義視頻截圖
[Bindable]
private var m_pictureData:String;
private function initApp():void
{
t_btn_Shooting.enabled = false ;
t_ban_Save.enabled = false ;
initCamera();
}
//初始化攝像頭
private function initCamera():void
{
m_camera = Camera .getCamera();
if(m_camera != null)
{
m_camera.addEventListener(StatusEvent.STATUS,__onCameraStatusHandler);
m_camera.setMode(DEFAULT_CAMERA_WIDTH,DEFAULT_CAMERA_HEIGHT,30);
m_localVideo = new Video();
m_localVideo.width = DEFAULT_CAMERA_WIDTH ;
m_localVideo.height = DEFAULT_CAMERA_HEIGHT ;
m_localVideo.attachCamera(m_camera);
t_vd_Video.addChild(m_localVideo);
}
else
{
Alert.show("沒(méi)有找到攝像頭，是否重新查找。","提示：",Alert.OK|Alert.NO,this,__InitCamera);
return;
}
}
//拍照按鈕事件，進(jìn)行視頻截圖
private function SnapshotPicture():void
{
m_pictureBitmapData = new BitmapData(DEFAULT_CAMERA_WIDTH,DEFAULT_CAMERA_HEIGHT);
m_pictureBitmapData.draw(t_vd_Video,new Matrix());
var m_pictureBitmap:Bitmap = new Bitmap(m_pictureBitmapData);
t_img_Picture.addChild(m_pictureBitmap);
t_panel_Picture.visible = true ;
t_ban_Save.enabled = true ;
}
//保存按鈕事件，保存視頻截圖
//通過(guò)WebService保存
// private function SavePicture():void
// {
// m_pictureData = "" ;
// for(var i:int = 0 ; i < DEFAULT_CAMERA_WIDTH ; i++)
// {
// for(var j:int = 0 ; j < DEFAULT_CAMERA_HEIGHT ; j++)
// {
// if(m_pictureData.length > 0)
// {
// m_pictureData += "," + m_pictureBitmapData.getPixel32(i,j).toString();
// }
// else
// {
// m_pictureData = m_pictureBitmapData .getPixel32(i,j).toString();
// }
// }
// }
// // t_ws_SavePicture.SavePicture.send();
// }
//檢測(cè)攝像頭權(quán)限事件
private function __onCameraStatusHandler(event:StatusEvent):void
{
if(!m_camera.muted)
{
t_btn_Shooting.enabled = true ;
}
else
{
Alert.show("無(wú)法鏈接到活動(dòng)攝像頭，是否重新檢測(cè)。","提示：",Alert.OK|Alert.NO,this,__InitCamera);
}
m_camera.removeEventListener(StatusEvent.STATUS,__onCameraStatusHandler);
}
//當(dāng)攝像頭不存在，或連接不正常時(shí)重新獲取
private function __InitCamera(event:CloseEvent):void
{
if( event.detail == Alert.OK)
{
initApp();
}
}
//WebService保存圖片成功事件
private function __onSavePictureResult(event:ResultEvent):void
{
//trace(event.result);
if(event.result.toString() == "保存成功")
{
Alert.show(event.result.toString(),"提示",Alert.OK,this,__onAlertCloseHandler);
}
else
{
Alert.show(event.result.toString(),"提示",Alert.OK);
}
}
//連接WebService失敗事件
private function __onSavePictureFault(event:FaultEvent):void
{
//Alert.show(event.fault.toString(),"提示",Alert.OK);
Alert.show("連接WebService失敗。","提示",Alert.OK);
}
//保存圖片成功后的彈出窗口確認(rèn)事件
private function __onAlertCloseHandler(event:CloseEvent):void
{
if( event.detail == Alert.OK)
{
//trace("轉(zhuǎn)向頁(yè)面");
}
}
public function SavePicture(){
var params:URLVariables = new URLVariables();
m_pictureData = "" ;
for(var i:int = 0 ; i < DEFAULT_CAMERA_WIDTH ; i++)
{
for(var j:int = 0 ; j < DEFAULT_CAMERA_HEIGHT ; j++)
{
if(m_pictureData.length > 0)
{
m_pictureData += "," + m_pictureBitmapData.getPixel32(i,j).toString();
}
else
{
m_pictureData = m_pictureBitmapData .getPixel32(i,j).toString();
}
}
}
params.width = DEFAULT_CAMERA_WIDTH ;
params.height = DEFAULT_CAMERA_HEIGHT ;
params.bitmap_data = m_pictureData ;
savePictureService.url = "http://localhost:8088/archive/savepicturesrv" ;
savePictureService.send(params);
}
]]-- >
</ mx:Script >
< mx:HTTPService showBusyCursor = "true" id = "savePictureService" method = "POST" resultFormat = "xml"
fault = "__onSavePictureFault(event)" result = "__onSavePictureResult(event)" />
< mx:Panel x = "10" y = "10" width = "180" height = "200" layout = "absolute" title = "視頻拍照" fontSize = "12" >
< mx:VideoDisplay id = "t_vd_Video" width = "160" height = "120" />
< mx:ControlBar horizontalAlign = "right" >
< mx:Button id = "t_btn_Shooting" label = "拍照" click = "SnapshotPicture()" />
</ mx:ControlBar >
</ mx:Panel >
< mx:Panel id = "t_panel_Picture" x = "198" y = "10" width = "180" height = "200" layout = "absolute" title = "拍照?qǐng)D片" fontSize = "12" visible = "false" >
< mx:Image id = "t_img_Picture" x = "0" y = "0" width = "160" height = "120" />
< mx:ControlBar horizontalAlign = "right" >
< mx:Button id = "t_ban_Save" label = "保存" click = "SavePicture()" />
</ mx:ControlBar >
</ mx:Panel >
</ mx:Application >

java 代碼：

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public void processRequest(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
response.setContentType( "text/html;charset=UTF-8" );
response.setHeader( "Pragma" , "No-cache" );
response.setHeader( "Cache-Control" , "no-cache" );
response.setDateHeader( "Expires" , 0 );
String bitmap_data = request.getParameter( "bitmap_data" );
int width = commons.getRequestInt(request.getParameter( "width" ), 0 );
int height = commons.getRequestInt(request.getParameter( "height" ), 0 );
BufferedImage img = new BufferedImage(width, height,
BufferedImage.TYPE_INT_RGB);
try {
int w = width;
int h = height;
int [] pixels = new int [w * h];
String[] m_tempPics = bitmap_data.split( "," );
for ( int x = 0 ; x < w; x++) {
for ( int y = 0 ; y < h; y++) {
Long pic_argb = Long.parseLong(m_tempPics[x * h + y]);
int a = ( int ) (pic_argb >> 24 & 0xFF );
int r = ( int ) (pic_argb >> 16 & 0xFF ); //右移16位，取后8位；
int g = ( int ) (pic_argb >> 8 & 0xFF );
int b = ( int ) (pic_argb & 0xFF );
pixels[y * w + x] = new Color(r, g, b, a).getRGB();
}
}
img.setRGB( 0 , 0 , w, h, pixels, 0 , w);
img.flush();
ByteArrayOutputStream bao = new ByteArrayOutputStream();
ImageIO.write(img, "jpg" , bao);
byte [] data = bao.toByteArray();
Personimage user = new Personimage();
user.setFileContent(data);
PersonimageDAO hm = new PersonimageDAO();
hm.save(user);
PersonrelationDAO prm = new PersonrelationDAO();
Personrelation pr = prm.findById( new Long(personRelationId));
pr.setPersonimageid(user.getId());
pr.setImageflag( "1" );
prm.update(pr);
str.append( "保存成功" );
} catch (Exception e) {
e.printStackTrace();
str.append( "保存失敗" );
}
response.setContentType( "text/xml" );
response.getWriter().write(str.toString());
}

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來(lái)自： richsky > 《JAVA/面向?qū)ο蟆?/a>

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