一。
web.xml文件
-
<?
xml
version
=
"1.0"
encoding
=
"UTF-8"
?>
-
<!DOCTYPE web-app
-
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
-
"http://java.sun.com/dtd/web-app_2_3.dtd"
>
-
-
<
web-app
>
-
<
servlet
>
-
<
servlet-name
>
actionServlet
</
servlet-name
>
-
<
servlet-class
>
org.apache.struts.action.ActionServlet
</
servlet-class
>
-
<
init-param
>
-
<
param-name
>
config
</
param-name
>
-
<
param-value
>
/WEB-INF/struts-config.xml
</
param-value
>
-
</
init-param
>
-
<
init-param
>
-
<
param-name
>
debug
</
param-name
>
-
<
param-value
>
2
</
param-value
>
-
</
init-param
>
-
<
load-on-startup
>
0
</
load-on-startup
>
-
</
servlet
>
-
-
<
servlet-mapping
>
-
<
servlet-name
>
actionServlet
</
servlet-name
>
-
<
url-pattern
>
*.do
</
url-pattern
>
-
</
servlet-mapping
>
-
-
<
welcome-file-list
>
-
<
welcome-file
>
index.jsp
</
welcome-file
>
-
</
welcome-file-list
>
-
-
<
error-page
>
-
<
error-code
>
404
</
error-code
>
-
<
location
>
/error.jsp
</
location
>
-
</
error-page
>
-
</
web-app
>
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<servlet>
<servlet-name>actionServlet</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>2</param-value>
</init-param>
<load-on-startup>0</load-on-startup>
</servlet>
<!-- struts actionServlet mapping-->
<servlet-mapping>
<servlet-name>actionServlet</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<!-- welcome file list -->
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- error handle -->
<error-page>
<error-code>404</error-code>
<location>/error.jsp</location>
</error-page>
</web-app>
二。
struts-config.xml文件
-
<?
xml
version
=
"1.0"
encoding
=
"ISO-8859-1"
?>
-
<!DOCTYPE struts-config PUBLIC
-
"-//Apache Software Foundation//DTD Struts Configuration 1.2//EN"
-
"http://struts.apache.org/dtds/struts-config_1_2.dtd"
>
-
<
struts-config
>
-
-
<
form-beans
>
-
<
form-bean
name
=
"uploadForm"
type
=
"org.apache.struts.action.DynaActionForm"
>
-
<
form-property
name
=
"type"
type
=
"java.lang.String[]"
/>
-
<
form-property
name
=
"name"
type
=
"java.lang.String[]"
/>
-
<
form-property
name
=
"file0"
type
=
"org.apache.struts.upload.FormFile"
/>
-
<
form-property
name
=
"file1"
type
=
"org.apache.struts.upload.FormFile"
/>
-
<
form-property
name
=
"file2"
type
=
"org.apache.struts.upload.FormFile"
/>
-
<
form-property
name
=
"file3"
type
=
"org.apache.struts.upload.FormFile"
/>
-
<
form-property
name
=
"file4"
type
=
"org.apache.struts.upload.FormFile"
/>
-
<
form-property
name
=
"file5"
type
=
"org.apache.struts.upload.FormFile"
/>
-
<
form-property
name
=
"file6"
type
=
"org.apache.struts.upload.FormFile"
/>
-
<
form-property
name
=
"file7"
type
=
"org.apache.struts.upload.FormFile"
/>
-
<
form-property
name
=
"file8"
type
=
"org.apache.struts.upload.FormFile"
/>
-
<
form-property
name
=
"file9"
type
=
"org.apache.struts.upload.FormFile"
/>
-
</
form-bean
>
-
</
form-beans
>
-
-
<
global-forwards
>
-
<
forward
name
=
"successed"
path
=
"/index.jsp"
>
</
forward
>
-
<
forward
name
=
"failed"
path
=
"/error.jsp"
>
</
forward
>
-
</
global-forwards
>
-
-
<
action-mappings
>
-
<
action
path
=
"/uploaded"
type
=
"com.fangchuang.action.UploadAction"
-
name
=
"uploadForm"
scope
=
"request"
input
=
"/upload.jsp"
>
-
<
forward
name
=
"uploaded"
path
=
"/upload.jsp"
>
</
forward
>
-
</
action
>
-
</
action-mappings
>
-
</
struts-config
>
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE struts-config PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 1.2//EN"
"http://struts.apache.org/dtds/struts-config_1_2.dtd">
<struts-config>
<!-- form beans -->
<form-beans>
<form-bean name="uploadForm" type="org.apache.struts.action.DynaActionForm">
<form-property name="type" type ="java.lang.String[]"/>
<form-property name="name" type ="java.lang.String[]"/>
<form-property name="file0" type ="org.apache.struts.upload.FormFile"/>
<form-property name="file1" type ="org.apache.struts.upload.FormFile"/>
<form-property name="file2" type ="org.apache.struts.upload.FormFile"/>
<form-property name="file3" type ="org.apache.struts.upload.FormFile"/>
<form-property name="file4" type ="org.apache.struts.upload.FormFile"/>
<form-property name="file5" type ="org.apache.struts.upload.FormFile"/>
<form-property name="file6" type ="org.apache.struts.upload.FormFile"/>
<form-property name="file7" type ="org.apache.struts.upload.FormFile"/>
<form-property name="file8" type ="org.apache.struts.upload.FormFile"/>
<form-property name="file9" type ="org.apache.struts.upload.FormFile"/>
</form-bean>
</form-beans>
<!-- forward -->
<global-forwards>
<forward name= "successed" path="/index.jsp"></forward>
<forward name= "failed" path="/error.jsp"></forward>
</global-forwards>
<!-- action handle-->
<action-mappings>
<action path="/uploaded" type="com.fangchuang.action.UploadAction"
name="uploadForm" scope="request" input="/upload.jsp">
<forward name="uploaded" path="/upload.jsp"></forward>
</action>
</action-mappings>
</struts-config>
三。
upload.jsp文件
<%@ page language="java" import="java.util.*" pageEncoding="gb2312" errorPage="error.jsp"%>
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html"%>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean"%>
<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic"%>
<%@ taglib uri="/WEB-INF/struts-tiles.tld" prefix="title"%>
<!-- 上传多个文件的jsp文件
//可以随便转载，请保留出自http://www.javaresearch.org 作者anEngineer
-->
<html>
<head>
<title>上传多个文件的jsp文件</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="struts,多个文件,上传">
<meta http-equiv="description" content="This is a test">
</head>
<body>
<html:form action="uploaded.do" enctype="multipart/form-data" method="post">
<table border="1" width="80%" align="center">
<tr bgColor=#62bcff>
<td align="left">文件类型</td>
<td align="left">文件描述</td>
<td align="left">文件名</td>
</tr>
<tr>
<td align="left"><select name="type">
<option value="1" selected>湖南省</option>
<option value="2">湖北省</option>
<option value="3">广东省</option>
<option value="4">北京市</option>
<option value="5">上海市</option>
</select></td>
<td align="left"><input type="text" name="name" value=""></td>
<td align="left"><input type="file" name="file0" size="35" value="">
</td>
</tr>
<tr>
<td align="left"><select name="type">
<option value="1"selected>湖南省</option>
<option value="2">湖北省</option>
<option value="3">广东省</option>
<option value="4">北京市</option>
<option value="5">上海市</option>
</select></td>
<td align="left"><input type="text" name="name" value=""></td>
<td align="left"><input type="file" name="file1" size="35" value="">
</td>
</tr>
<tr>
<td align="left"><select name="type">
<option value="1">湖南省</option>
<option value="2"selected>湖北省</option>
<option value="3">广东省</option>
<option value="4">北京市</option>
<option value="5">上海市</option>
</select></td>
<td align="left"><input type="text" name="name" value=""></td>
<td align="left"><input type="file" name="file2" size="35" value="">
</td>
</tr>
<tr>
<td align="left"><select name="type">
<option value="1">湖南省</option>
<option value="2"selected>湖北省</option>
<option value="3">广东省</option>
<option value="4">北京市</option>
<option value="5">上海市</option>
</select></td>
<td align="left"><input type="text" name="name" value=""></td>
<td align="left"><input type="file" name="file3" size="35" value="">
</td>
</tr>
<tr>
<td align="left"><select name="type">
<option value="1">湖南省</option>
<option value="2">湖北省</option>
<option value="3"selected>广东省</option>
<option value="4">北京市</option>
<option value="5">上海市</option>
</select></td>
<td align="left"><input type="text" name="name" value=""></td>
<td align="left"><input type="file" name="file4" size="35" value="">
</td>
</tr>
<tr>
<td align="left"><select name="type">
<option value="1">湖南省</option>
<option value="2">湖北省</option>
<option value="3"selected>广东省</option>
<option value="4">北京市</option>
<option value="5">上海市</option>
</select></td>
<td align="left"><input type="text" name="name" value=""></td>
<td align="left"><input type="file" name="file5" size="35" value="">
</td>
</tr>
<tr>
<td align="left"><select name="type">
<option value="1">湖南省</option>
<option value="2">湖北省</option>
<option value="3">广东省</option>
<option value="4"selected>北京市</option>
<option value="5">上海市</option>
</select></td>
<td align="left"><input type="text" name="name" value=""></td>
<td align="left"><input type="file" name="file6" size="35" value="">
</td>
</tr>
<tr>
<td align="left"><select name="type">
<option value="1">湖南省</option>
<option value="2">湖北省</option>
<option value="3">广东省</option>
<option value="4"selected>北京市</option>
<option value="5">上海市</option>
</select></td>
<td align="left"><input type="text" name="name" value=""></td>
<td align="left"><input type="file" name="file7" size="35" value="">
</td>
</tr>
<tr>
<td align="left"><select name="type">
<option value="1">湖南省</option>
<option value="2">湖北省</option>
<option value="3">广东省</option>
<option value="4">北京市</option>
<option value="5"selected>上海市</option>
</select></td>
<td align="left"><input type="text" name="name" value=""></td>
<td align="left"><input type="file" name="file8" size="35" value="">
</td>
</tr>
<tr>
<td align="left"><select name="type">
<option value="1">湖南省</option>
<option value="2">湖北省</option>
<option value="3">广东省</option>
<option value="4">北京市</option>
<option value="5"selected>上海市</option>
</select></td>
<td align="left"><input type="text" name="name" value=""></td>
<td align="left"><input type="file" name="file9" size="35" value="">
</td>
</tr>
<tr>
<td align="left"> </td>
<td align="left"> </td>
<td align="left"><input type="submit" value="上传文件" value="submit"
onclick="return(confirm('你确认要上传文件吗?'))"></td>
</tr>
</table>
</html:form>
</body>
</html>
四。
还有两个简单jsp文件index.jsp,error.jsp可以自己写。
五。
action文件
-
package
com.fangchuang.action;
-
-
-
-
public
class
UploadAction
extends
Action {
-
public
ActionForward execute(
-
ActionMapping mapping,
-
ActionForm form,
-
HttpServletRequest request,
-
HttpServletResponse response) {
-
-
DynaActionForm fileForm = (DynaActionForm) form;
-
String[] types = (String[]) fileForm.get(
"type"
);
-
String[] names = (String[]) fileForm.get(
"name"
);
-
-
FormFile file0 = (FormFile) fileForm.get(
"file0"
);
-
FormFile file1 = (FormFile) fileForm.get(
"file1"
);
-
FormFile file2 = (FormFile) fileForm.get(
"file2"
);
-
FormFile file3 = (FormFile) fileForm.get(
"file3"
);
-
FormFile file4 = (FormFile) fileForm.get(
"file4"
);
-
FormFile file5 = (FormFile) fileForm.get(
"file5"
);
-
FormFile file6 = (FormFile) fileForm.get(
"file6"
);
-
FormFile file7 = (FormFile) fileForm.get(
"file7"
);
-
FormFile file8 = (FormFile) fileForm.get(
"file8"
);
-
FormFile file9 = (FormFile) fileForm.get(
"file9"
);
-
-
Map<String, FormFile> fileMap =
new
HashMap<String, FormFile>();
-
fileMap.put(
"file0"
+
"*"
+ types[
0
] +
"*"
+ names[
0
], file0);
-
fileMap.put(
"file1"
+
"*"
+ types[
1
] +
"*"
+ names[
1
], file1);
-
fileMap.put(
"file2"
+
"*"
+ types[
2
] +
"*"
+ names[
2
], file2);
-
fileMap.put(
"file3"
+
"*"
+ types[
3
] +
"*"
+ names[
3
], file3);
-
fileMap.put(
"file4"
+
"*"
+ types[
4
] +
"*"
+ names[
4
], file4);
-
fileMap.put(
"file5"
+
"*"
+ types[
5
] +
"*"
+ names[
5
], file5);
-
fileMap.put(
"file6"
+
"*"
+ types[
6
] +
"*"
+ names[
6
], file6);
-
fileMap.put(
"file7"
+
"*"
+ types[
7
] +
"*"
+ names[
7
], file7);
-
fileMap.put(
"file8"
+
"*"
+ types[
8
] +
"*"
+ names[
8
], file8);
-
fileMap.put(
"file9"
+
"*"
+ types[
9
] +
"*"
+ names[
9
], file9);
-
-
Set fileSet = fileMap.entrySet();
-
Iterator iter = fileSet.iterator();
-
-
-
String filePath =
this
.getServlet().getServletContext().getRealPath(
"/"
);
-
-
File savePath =
new
File(filePath +
"UploadFiles\\"
);
-
filePath = filePath+
"UploadFiles\\"
;
-
if
(!savePath.exists()) {
-
savePath.mkdir();
-
}
-
while
(iter.hasNext()) {
-
Map.Entry unit = (Map.Entry) iter.next();
-
String key = (String) unit.getKey();
-
FormFile file = (FormFile) unit.getValue();
-
-
if
((file.getFileSize() >=
1
)&& DealPhoto.isPhoto(file)) {
-
-
String photoType = key.substring(key.indexOf(
"*"
) +
1
, key
-
.lastIndexOf(
"*"
));
-
-
String photoName = key.substring(key.lastIndexOf(
"*"
) +
1
, key
-
.length());
-
-
-
-
-
-
if
(DealPhoto.isFileExist(file.getFileName(),filePath))
-
DealPhoto.rename(file.getFileName(),filePath);
-
try
{
-
InputStream stream = file.getInputStream();
-
-
OutputStream bos =
new
FileOutputStream(filePath+file.getFileName());
-
int
bytesRead =
0
;
-
byte
[] buffer =
new
byte
[
8192
];
-
while
((bytesRead = stream.read(buffer,
0
,
8192
)) != -
1
) {
-
bos.write(buffer,
0
, bytesRead);
-
}
-
bos.close();
-
stream.close();
-
}
catch
(Exception e) {
-
e.printStackTrace();
-
}
-
}
-
-
}
-
return
mapping.findForward(
"uploaded"
);
-
-
-
}
-
}
package com.fangchuang.action;
/**
* @author anEngineer 处理上传文件action
*/
public class UploadAction extends Action {
public ActionForward execute(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
//可以随便转载，请保留出自http://www.javaresearch.org 作者anEngineer
DynaActionForm fileForm = (DynaActionForm) form;
String[] types = (String[]) fileForm.get("type");
String[] names = (String[]) fileForm.get("name");
FormFile file0 = (FormFile) fileForm.get("file0");
FormFile file1 = (FormFile) fileForm.get("file1");
FormFile file2 = (FormFile) fileForm.get("file2");
FormFile file3 = (FormFile) fileForm.get("file3");
FormFile file4 = (FormFile) fileForm.get("file4");
FormFile file5 = (FormFile) fileForm.get("file5");
FormFile file6 = (FormFile) fileForm.get("file6");
FormFile file7 = (FormFile) fileForm.get("file7");
FormFile file8 = (FormFile) fileForm.get("file8");
FormFile file9 = (FormFile) fileForm.get("file9");
Map<String, FormFile> fileMap = new HashMap<String, FormFile>();
fileMap.put("file0" + "*" + types[0] + "*" + names[0], file0);
fileMap.put("file1" + "*" + types[1] + "*" + names[1], file1);
fileMap.put("file2" + "*" + types[2] + "*" + names[2], file2);
fileMap.put("file3" + "*" + types[3] + "*" + names[3], file3);
fileMap.put("file4" + "*" + types[4] + "*" + names[4], file4);
fileMap.put("file5" + "*" + types[5] + "*" + names[5], file5);
fileMap.put("file6" + "*" + types[6] + "*" + names[6], file6);
fileMap.put("file7" + "*" + types[7] + "*" + names[7], file7);
fileMap.put("file8" + "*" + types[8] + "*" + names[8], file8);
fileMap.put("file9" + "*" + types[9] + "*" + names[9], file9);
Set fileSet = fileMap.entrySet();
Iterator iter = fileSet.iterator();
// 取当前系统路径E:\Tomcat5\webapps\strutsUpload\ 其中strutsUpload为当前context
String filePath = this.getServlet().getServletContext().getRealPath("/");
// 保存文件的文件夹
File savePath = new File(filePath + "UploadFiles\\");
filePath = filePath+ "UploadFiles\\";
if (!savePath.exists()) {
savePath.mkdir();
}
while (iter.hasNext()) {
Map.Entry unit = (Map.Entry) iter.next();
String key = (String) unit.getKey();
FormFile file = (FormFile) unit.getValue();
//文件大小符合要求，且是图片文件
if ((file.getFileSize() >= 1)&& DealPhoto.isPhoto(file)) {
//图片类别
String photoType = key.substring(key.indexOf("*") + 1, key
.lastIndexOf("*"));
//图片描述
String photoName = key.substring(key.lastIndexOf("*") + 1, key
.length());
//存数据库操作，在数据库中保存文件的名称，类型，及在服务器上的相对路径
//
//判断是否重名
if(DealPhoto.isFileExist(file.getFileName(),filePath))
DealPhoto.rename(file.getFileName(),filePath);
try {
InputStream stream = file.getInputStream();// 把文件读入
// 建立一个上传文件的输出流
OutputStream bos = new FileOutputStream(filePath+file.getFileName());
int bytesRead = 0;
byte[] buffer = new byte[8192];
while ((bytesRead = stream.read(buffer, 0, 8192)) != -1) {
bos.write(buffer, 0, bytesRead);// 将文件写入服务器
}
bos.close();
stream.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
return mapping.findForward("uploaded");
//还有其他可以改正的地方，如错误信息提示，把照片处理函数放到一个公用类,写文件操作等
//可以随便转载，请保留出自http://www.javaresearch.org 作者anEngineer
}
}
六。
照片处理类文件
-
package
com.fangchuang.run;
-
-
-
-
-
-
public
class
DealPhoto {
-
-
-
-
-
-
public
static
boolean
isPhoto(FormFile file) {
-
String fileName = getString(file.getFileName());
-
if
(fileName.equals(
""
))
-
return
false
;
-
if
((fileName.toLowerCase().endsWith(
".jpg"
))
-
|| (fileName.toLowerCase().endsWith(
".gif"
))
-
|| (fileName.toLowerCase().endsWith(
".png"
)))
-
return
true
;
-
else
-
return
false
;
-
}
-
-
-
-
-
-
-
public
static
String getString(String str) {
-
if
(str ==
null
)
-
str =
""
;
-
if
(str.equals(
"null"
))
-
str =
""
;
-
str = str.trim();
-
return
str;
-
}
-
-
-
-
-
-
-
-
public
static
boolean
isFileExist(String fileName, String dir) {
-
File files =
new
File(dir + fileName);
-
return
(files.exists()) ?
true
:
false
;
-
}
-
-
-
-
-
-
-
public
static
void
rename(String fileName, String dir) {
-
String extendFile =
""
;
-
if
(isJpg(fileName))
-
extendFile =
".jpg"
;
-
else
if
(isGif(fileName))
-
extendFile =
".gif"
;
-
else
if
(isPng(fileName))
-
extendFile =
".png"
;
-
else
-
extendFile =
".jpg"
;
-
Random random =
new
Random();
-
int
add = random.nextInt(
10000
);
-
String ret = fileName + add + extendFile;
-
while
(isFileExist(ret, dir)) {
-
add = random.nextInt(
10000
);
-
ret = fileName + add + extendFile;
-
}
-
File file =
new
File(dir + fileName);
-
File reFile =
new
File(dir + ret);
-
file.renameTo(reFile);
-
}
-
-
public
static
boolean
isGif(String file) {
-
if
(file.toLowerCase().endsWith(
".gif"
)) {
-
return
true
;
-
}
else
{
-
return
false
;
-
}
-
}
-
-
public
static
boolean
isJpg(String file) {
-
if
(file.toLowerCase().endsWith(
".jpg"
)) {
-
return
true
;
-
}
else
{
-
return
false
;
-
}
-
}
-
-
public
static
boolean
isPng(String file) {
-
if
(file.toLowerCase().endsWith(
".png"
)) {
-
return
true
;
-
}
else
{
-
return
false
;
-
}
-
}
-
}
Struts上传多个及N个文件的例子