?? fileuploadaction.java
字號:
package com.jiaheng.file.action;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Date;
import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.ActionSupport;
public class FileUploadAction extends ActionSupport{
private static final int BUFFER_SIZE=800*1024;
private File myFile;
private String contentType;
private String fileName;
private String imageFileName;
private String caption;
public String getCaption() {
return caption;
}
public void setCaption(String caption) {
this.caption = caption;
}
public String getMyFileContentType() {
return contentType;
}
public void setMyFileContentType(String contentType) {
this.contentType = contentType;
}
public String getMyFileFileName() {
return fileName;
}
public void setMyFileFileName(String fileName) {
this.fileName = fileName;
}
public String getImageFileName() {
return imageFileName;
}
public void setImageFileName(String imageFileName) {
this.imageFileName = imageFileName;
}
public File getMyFile() {
return myFile;
}
public void setMyFile(File myFile) {
this.myFile = myFile;
}
/**
* getter()and setter()
* */
private static void copy(File src,File dst){
try{
InputStream in =null;
OutputStream out = null;
try{
in = new BufferedInputStream(new FileInputStream(src),BUFFER_SIZE);
out = new BufferedOutputStream(new FileOutputStream(dst),BUFFER_SIZE);
byte[] buffer = new byte[BUFFER_SIZE];
while(in.read(buffer)>0){
out.write(buffer);
}
}finally{
if(null!=in){
in.close();
}
if(null!=out){
out.close();
}
}
}catch(Exception e){
e.printStackTrace();
}
}
private static String getExtention(String fileName){
int pos=fileName.lastIndexOf(".");
return fileName.substring(pos);
}
public String execute(){
imageFileName=new Date().getTime()+getExtention(fileName);
File imageFile=new File(ServletActionContext.getServletContext().getRealPath("/UploadImages")+"/"+imageFileName);
System.out.println("imageFileName"+imageFile);
copy(myFile,imageFile);
return SUCCESS;
}
}
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