解决getOutputStream() has already been called for this respons

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redleaf 等级: 性别: 文章: 79 积分: 159	发表时间：2007-07-12 相关推荐: tomcat6下jsp出现getOutputStream() has already been called for this response异常的原因和解决方法 getOutputStream() has already been called for this response 从了解到解决 getOutputStream() has already been called for this response问题终极解决 getOutputStream() has already been called for this response 实现下载Excel模版报错（response.getOutputStream() has already been called for this respons ）更多相关推荐企业应用 java 代码 <%@ page import="java.io.,java.util."%> <% out.clear(); //加上这句 out = pageContext.pushBody(); //还有这句就OK了 response.reset(); response.setContentType("image/jpeg"); response.setHeader("Pragma","No-cache"); response.setHeader("Cache-Control","no-cache"); response.setDateHeader("Expires",0); String related_id = request.getParameter("related_id"); OutputStream outs = response.getOutputStream(); InputStream is = null; try{ org.hibernate.Session se = atteam.database.enterprise.CurrentSession(); List list = se.createQuery("from weblet_img_file where related_id='"+related_id+"'").list(); if(list.size()>0){ atteam.enterprise.weblet_img_file img = (atteam.enterprise.weblet_img_file)list.get(0); String file_name = img.getFile_name(); java.sql.Blob file = (java.sql.Blob)img.getContent(); is = file.getBinaryStream(); int blobsize = (int)file.length(); byte[] blobbytes = new byte[10240]; int bytesRead = 0; while ((bytesRead = is.read(blobbytes)) != -1) { outs.write(blobbytes, 0, bytesRead);//输出图片 } is.close(); outs.close(); } }catch(Exception e){ e.printStackTrace(System.out); } %> 声明：ITeye文章版权属于作者，受法律保护。没有作者书面许可不得转载。推荐链接
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xaxis 等级: 初级会员性别: 文章: 2 积分: 36 来自: --	发表时间：2007-07-12 己經到了jsp 頁面, getOutputStream()當然己被call 了. 用Servlet 做吧
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