Flex在线拍照功能(附源码)

package ?cn.myapps.core.onlinetakephoto;

import ?java.awt.Color;
import ?java.awt.image.BufferedImage;
import ?java.io.ByteArrayOutputStream;
import ?java.io.DataOutputStream;
import ?java.io.File;
import ?java.io.FileOutputStream;
import ?java.io.IOException;

import ?javax.imageio.ImageIO;
import ?javax.servlet.ServletException;
import ?javax.servlet.http.HttpServlet;
import ?javax.servlet.http.HttpServletRequest;
import ?javax.servlet.http.HttpServletResponse;

import ?cn.myapps.constans.Environment;
import ?cn.myapps.util.sequence.Sequence;

/**
?*?Servlet?implementation?class?onLineTakePhotoServlet
? */
public ? class ?onLineTakePhotoServlet? extends ?HttpServlet?{
? private ? static ? final ? long ?serialVersionUID? = ? 1L ;
????
? private ?Environment?env? = ?Environment.getInstance();
?
? public ? void ?doGet(HttpServletRequest?request,?HttpServletResponse?response)????
? throws ?ServletException,?IOException?{????
?processRequest(request,?response);????
?}????
???
? public ? void ?doPost(HttpServletRequest?request,?HttpServletResponse?response)????
?? throws ?ServletException,?response);????
?}????
?
? 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? = ?Integer.parseInt(request.getParameter( " width " ));???
???????? int ?height? = ?Integer.parseInt(request.getParameter( " height " ));???
????????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 );???
???????????????????? 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,?w);???
????????????img.flush();???
????????????ByteArrayOutputStream?bao? = ? new ?ByteArrayOutputStream();???
????????????ImageIO.write(img,? " jpg " ,?bao);???
???????????? byte []?data? = ?bao.toByteArray();??
????????????String?filePath? = ?env.getRealPath( " /uploads/photo " );
???????????? // 判断路径是否存在,若不存在则创建路径
????????????File?upDir? = ? new ?File(filePath);
???????????? if ?( ! upDir.exists())
????????????{
????????????????upDir.mkdir();
????????????}
???????????? // 生成随机文件名
????????????String?saveName? = ?Sequence.getSequence();
????????????String?fileName? = ?saveName? + ? " .jpg " ;
???????????? // 写图片
????????????File?f? = ? new ?File(filePath + " " ? + ?fileName);
??????DataOutputStream?dos? = ? new ?DataOutputStream( new ?FileOutputStream(f));
??????dos.write(data);
??????dos.flush();
??????dos.close();
??????response.setContentType( " text/xml " );???
????????????response.getWriter().write( " /uploads/photo/ " ? + ?fileName);???
????????}
???????? catch (Exception?ex)
????????{
?????????response.setContentType( " text/xml " );???
????????????response.getWriter().write( " 保存失败 " );??? ????????} ?} }