类似谷歌图片剪切的flex+java程序

package com.test; import java.awt.image.BufferedImage; import java.io.ByteArrayInputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import javax.imageio.ImageIO; import javax.servlet.ServletContext; import javax.servlet.http.HttpServletRequest; import flex.messaging.FlexContext; public class FlexCutPicUpload { HttpServletRequest request = null; ServletContext servletContext = null; String basePath = ""; String realPath = ""; public void upload(byte[] b ,String fileName ){ //String realPath = request.getRealPath("/"); String realPath = servletContext.getRealPath("/"); System.out.println("servletContext===项目绝对路径："+realPath); try { ByteArrayInputStream bais = new ByteArrayInputStream(b); BufferedImage bi1 =ImageIO.read(bais); File w2 = new File(realPath+"//upload//"+fileName);//可以是jpg,png,gif格式 ImageIO.write(bi1, "jpg", w2);//不管输出什么格式图片，此处不需改动 } catch (IOException e) { e.printStackTrace(); } } /** * @param large * @param big * @param smoll * @param fileName * flex调用保存图片的方法 * * type ： 操作 sava 保存 * status： 1 成功 * url ：表示要跳转的地址 * massage：要打印出来的信息 */ public String upload(byte[] large ,byte[] big ,byte[] smoll,String fileName){ request = FlexContext.getHttpRequest(); servletContext = FlexContext.getServletContext(); upload(large,"large"+fileName); //upload(big,"big"+fileName); //upload(smoll,"smoll"+fileName); return "{\"type\":\"sava\",\"status\":1,\"url\":\"http://www.baidu.com\",\"massage\":\"保存成功！\"}"; } /* public String cancel(){ return "{\"type\":\"cancel\",\"status\":0,\"url\":\"http://www.baidu.com\"}"; } */ /** * 在flex加载的时候 获得默认图标 * @return */ public String getImage(){ request = FlexContext.getHttpRequest(); String path = request.getContextPath(); basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; String imgUrl = basePath+"ylz.jpg"; System.out.println("===默认图标路径："+imgUrl); return "{\"type\":\"getImage\",\"url\":\""+imgUrl+"\"}"; } }