struts2上传多文件
public class UploadAction {
private static final long serialVersionUID = 7738910297605127355L;
//private News news; //注入实体对象
private static final int BUFFER_SIZE = 16 * 1024;// 缓冲-上传字节数组
private String upfileName;
private List<File> uploads = new ArrayList<File>();
private List<String> uploadFileNames = new ArrayList<String>();
private List<String> uploadContentTypes = new ArrayList<String>();
public String add() {
int size = uploadContentTypes.size();
if (size > 0) {
for (int i = 0; i < size; i++) {
String contentype = uploadContentTypes.get(i);
if (contentype.indexOf("image") > -1) {
File imageFile = new File(ServletActionContext.getServletContext().getRealPath("/upload/images")+ "/" + uploadFileNames.get(i));
UploadUtil.copy(uploads.get(i), imageFile, BUFFER_SIZE);
String picturePath = "/upload/images" + "/" + uploadFileNames.get(i);
String picName = uploadFileNames.get(i);
// 设置实体对象中的图片地址
// news.setPicturePath(picturePath);
// news.setPictureName(uploadFileNames.get(0));
System.out.println("图片地址：" + picturePath);
System.out.println("图片名称：" + picName);
}
/*否则就是上传附件，不是图片
else {
File fujianFile = new File(ServletActionContext.getServletContext().getRealPath("/upload")+ "/" + uploadFileNames.get(1));
UploadUtil.copy(uploads.get(1), fujianFile, BUFFER_SIZE);
// 设置实体对象中的图片地址
// news.setUpfileName(uploadFileNames.get(1));
String picturePath = "/upload/images" + "/"
+ uploadFileNames.get(0);
String picName = uploadFileNames.get(0);
System.out.println("图片地址：" + picturePath);
System.out.println("图片名称：" + picName);
}
*/
}
}
return "upload";
}
public String getUpfileName() {
return upfileName;
}
public void setUpfileName(String upfileName) {
this.upfileName = upfileName;
}
public List<File> getUpload() {
return this.uploads;
}
public void setUpload(List<File> uploads) {
this.uploads = uploads;
}
public List<String> getUploadFileName() {
return this.uploadFileNames;
}
public void setUploadFileName(List<String> uploadFileNames) {
this.uploadFileNames = uploadFileNames;
}
public List<String> getUploadContentType() {
return this.uploadContentTypes;
}
public void setUploadContentType(List<String> contentTypes) {
this.uploadContentTypes = contentTypes;
}
}
UploadUtil.java
-------------------
/**
* 上传文件，名称以日期命名
*
* @author Administrator
*/
public class UploadUtil {
/**
* 上传文件
*
* @param src
* 源文件
* @param dst
* 目标文件
* @param BUFFER_SIZE
* 缓冲大小
*/
public static void copy(File src, File dst, final int BUFFER_SIZE) {
try {
InputStream in = null;
OutputStream out = null;
try {
in = new BufferedInputStream(new FileInputStream(src));
dst = rename(dst);
out = new BufferedOutputStream(new FileOutputStream(dst));
int word = 0;
while ((word = in.read()) != -1) {
out.write(word);
}
} finally {
if (null != in) {
in.close();
}
if (null != out) {
out.close();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 得到扩展名
* @param fileName
* @return
*/
public static String getExt(String fileName) {
int pos = fileName.lastIndexOf(".");
return fileName.substring(pos);
}
/**
* 更改上传文件名
* @param file 文件对象
* @return 更名后的文件对象
*/
public static File rename(File file) {
String fileName = "";// 文件名
String extName = "";// 文件扩展名
Calendar cal = Calendar.getInstance();
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
fileName = formatter.format(cal.getTime()) + (int) (Math.random() * 10);
extName = getExt(file.getName());
String newName = fileName + "." + extName;
file = new File(file.getParent(), newName);
return file;
}
}
upload.jsp
<html>
<body>
<s:form method="post" action="jupload" enctype ="multipart/form-data">
上传图片：<s:file name ="upload" theme="simple"/>
<br/>
上传附件：<s:file name ="upload" theme="simple"/>
<br/>
<s:submit theme="simple" value="提交"/>
</s:form>
</body>
</html>
struts.xml
<!-- 上传文件 cyjch --> <action name="jupload" method="add" class="upAction" > <result name="upload">upload.jsp</result> </action>
