用O’Reilly公司的cos实现文件上传

01

<

html

>

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<

head

>

03

<

meta

http-equiv

=

"Content-Type"

content

=

"text/html;charset=gb2312"

>

04

<

title

>无标题文档</

title

>

05

</

head

>

06

07

<

body

>

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<!--
enctype的值很重要,upload.jsp为处理上传的jsp-->

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<

form

name

=

"form1"

method

=

"post"

enctype

=

"multipart/form-data"

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action

=

"upload.jsp"

>

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<

p

>

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<

input

name

=

"file1"

type

=

"file"

>

13

</

p

>

14

<

p

>

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<

input

name

=

"file2"

type

=

"file"

>

16

</

p

>

17

<

p

>
<

input

name

=

"file3"

type

=

"file"

>

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</

p

>

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<

p

>

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<

input

type

=

"submit"

name

=

"Submit"

value

=

"上传"

>

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</

p

>

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</

form

>

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</

body

>

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</

html

>

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<%

@page

import

=

"java.io.*"

%>

02

<%

@page

import

=

"com.oreilly.servlet.MultipartRequest"

%>

03

<%

@page

import

=

"com.oreilly.servlet.multipart.CoverFileRenamePolicy"

%>

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<%

@page

contentType=

"text/html;
charset=gb2312"

%>

05

<%

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//文件上传后，保存在c:\\upload

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String
saveDirectory=

"c:\\upload"

;

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//每个文件最大5m,最多3个文件,所以

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int

maxPostSize
=

3

*

5

*

1024

*

1024

;

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//response的编码为"gb2312",同时采用缺省的文件名冲突解决策略,实现上传

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//就这一句就完成上传了,真是很爽

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MultipartRequest
multi=

new

MultipartRequest(request,
saveDirectory,maxPostSize,

"gb2312"

);

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//输出反馈信息

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Enumeration
files=multi.getFileNames();

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while

(files.hasMoreElements())
{

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System.err.println(

"ccc"

);

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String
name=(String)files.nextElement();

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File
f=multi.getFile(name);

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if

(f!=

null

){

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String
fileName=multi.getFilesystemName(name);

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String
lastFileName=saveDirectory+

"\\"

+
fileName;

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out.println(

"上传的文件:"

+lastFileName);

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out.println(

"<hr>"

);

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}

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}

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%>