JSP 获取本地图片的实例详解_JSP编程_

 public void showPicture(){ String id = ServletActionContext.getRequest().getParameter("id");//前台传来的存图片路径实体类的主键id HttpServletResponse response = ServletActionContext.getResponse();//struts2获取response if(id != null && !"".equals(id)){ this.classicCases = this.classicCasesManager.findClassicCasesById(id); String pic_path = this.classicCases.getImagesLocalPath();//图片路径 FileInputStream is; try { is = new FileInputStream(pic_path); int i = is.available(); // 得到文件大小 byte data[] = new byte[i]; is.read(data); // 读数据 is.close(); response.setContentType("image/*"); // 设置返回的文件类型 OutputStream toClient = response.getOutputStream(); // 得到向客户端输出二进制数据的对象 toClient.write(data); // 输出数据 toClient.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } }