670903.xml

论坛精华帖子

<?xml version='1.0' encoding='GB2312'?>
<?xml-stylesheet type='text/xsl' href='../csdn.xsl'?>
<Topic>
<Issue>
<PostUserNickName>飞鸽</PostUserNickName>
<rank>一级(初级)</rank>
<ranknum>user1</ranknum>
<credit>97</credit>
<TopicId>670903</TopicId>
<TopicName>SmartUpload下载问题？</TopicName>
<PostUserId>74621</PostUserId>
<PostUserName>fgcsh</PostUserName>
<RoomName>JSP</RoomName>
<ReplyNum>1</ReplyNum>
<PostDateTime>2002-4-23 20:51:40</PostDateTime>
<Point>20</Point>
<ReadNum>0</ReadNum>
<RoomId>28</RoomId>
<EndState>2</EndState>
<Content>请看：
&lt;%@&#32;page&#32;&#32;language="java"&#32;&#32;import="com.jspsmart.upload.*"&#32;&#32;%&gt;
&lt;%
String&#32;upfile_1=session.getAttribute("upfile_1").toString();//SESSION已设
session.removeAttribute("upfile_1");
%&gt;
&lt;jsp:useBean&#32;id="mySmartUpload"&#32;scope="page"&#32;class="com.jspsmart.upload.SmartUpload"&#32;/&gt;
&lt;%
&#9;mySmartUpload.initialize(pageContext);

&#9;mySmartUpload.downloadFile("e:/upfile/"+upfile_1);
%&gt;

提示错误：
java.lang.IllegalStateException:&#32;getOutputStream()&#32;has&#32;already&#32;been&#32;called&#32;for&#32;this&#32;response
......
........哪错了？？？？？？？？？？
</Content>
</Issue>
<Replys>
<Reply>
<PostUserNickName>灯泡</PostUserNickName>
<rank>一星(中级)</rank>
<ranknum>star1</ranknum>
<credit>134</credit>
<ReplyID>4410540</ReplyID>
<TopicID>670903</TopicID>
<PostUserId>98085</PostUserId>
<PostUserName>leonzhao</PostUserName>
<Point>20</Point>
<Content>不建议使用JSP处理下载，如果想这么做的话讲&lt;%%&gt;和&lt;%%&gt;中间的空格、回车全部都去掉，或者干脆只用一个&lt;%%&gt;。文件结束的位置也不能有任何的回车和空格。
你的程序必须紧凑到这样：

&lt;%@&#32;page&#32;&#32;language="java"&#32;&#32;import="com.jspsmart.upload.*"&#32;&#32;%&gt;&lt;%
String&#32;upfile_1=session.getAttribute("upfile_1").toString();//SESSION已设
session.removeAttribute("upfile_1");
%&gt;&lt;jsp:useBean&#32;id="mySmartUpload"&#32;scope="page"&#32;class="com.jspsmart.upload.SmartUpload"&#32;/&gt;&lt;%
&#32;&#32;&#32;&#32;mySmartUpload.initialize(pageContext);

&#32;&#32;&#32;&#32;mySmartUpload.downloadFile("e:/upfile/"+upfile_1);
%&gt;</Content>
<PostDateTime>2002-4-24 7:11:15</PostDateTime>
</Reply>
</Replys>
</Topic>