代码如下:
<%@page language="java" contentType="application/x-msdownload" import="java.io.*" pageEncoding="utf-8" %><%
response.reset();
response.setContentType("application/x-download");
String filedownload = "E:\\uid.csv";
String filedisplay = "uid.csv";
response.addHeader("Content-Disposition","attachment;filename=" + filedisplay); OutputStream outp = null;
FileInputStream in = null;
try
{
outp = response.getOutputStream();
in = new FileInputStream(filedownload); byte[] b = new byte[4*1024];
int i = 0; while((i = in.read(b)) != -1)
{
outp.write(b, 0, i);
}
outp.flush();
}
catch(Exception e)
{
}
finally
{
if(in != null)
{
in.close();
in = null;
}
if(outp != null)
{
outp.close();
outp = null;
}
}
%>代码运行正常,下载的csv文件中内容都正常,但在末尾自动加了行乱码:Error 500: SRVE0199E: 蚍謫 OutputStream
试过很多办法都去不掉,谁知道怎么回事?
<%@page language="java" contentType="application/x-msdownload" import="java.io.*" pageEncoding="utf-8" %><%
response.reset();
response.setContentType("application/x-download");
String filedownload = "E:\\uid.csv";
String filedisplay = "uid.csv";
response.addHeader("Content-Disposition","attachment;filename=" + filedisplay); OutputStream outp = null;
FileInputStream in = null;
try
{
outp = response.getOutputStream();
in = new FileInputStream(filedownload); byte[] b = new byte[4*1024];
int i = 0; while((i = in.read(b)) != -1)
{
outp.write(b, 0, i);
}
outp.flush();
}
catch(Exception e)
{
}
finally
{
if(in != null)
{
in.close();
in = null;
}
if(outp != null)
{
outp.close();
outp = null;
}
}
%>代码运行正常,下载的csv文件中内容都正常,但在末尾自动加了行乱码:Error 500: SRVE0199E: 蚍謫 OutputStream
试过很多办法都去不掉,谁知道怎么回事?
解决方案 »
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1,如果有web.xml配置文件的话。在这里可以设置utf-8 信息。添加上。
2,我猜你是直接把下载下来的文件引到开发工具里的吧。没修改过吗?
如果是这样你先试一下随便加一行中文注释。如果保存出错。那么肯定是开发工具对代码里的文字不识别了。
方法:在所在目录下新建一个jsp文件,然后设置他的porpertise,(如果用eclipse,在工程明上点右键,最下面的选项,“new text file line delimiter”-->点other里面的utf-8)。然后把你的下载代码拷贝到这个文件里,就可以了。
在web.xml中添加
<mime-mapping>
<extension>zip </extension>
<mime-type>application/zip </mime-type>
</mime-mapping>
<mime-mapping>
<extension>rar </extension>
<mime-type>application/rar </mime-type>
</mime-mapping>
<mime-mapping>
<extension>iso </extension>
<mime-type>application/iso </mime-type>
</mime-mapping>
<mime-mapping>
<extension>xls </extension>
<mime-type>application/vnd.ms-excel </mime-type>
</mime-mapping>
<mime-mapping>
<extension>pps </extension>
<mime-type>application/vnd.ms-powerpoint </mime-type>
</mime-mapping>
<mime-mapping>
<extension>ppt </extension>
<mime-type>application/vnd.ms-powerpoint </mime-type>
</mime-mapping>
什么类型的文件就添加相关的mime-mapping标签,就看这种方法适不适合你了