在Struts中提供了一个专门的上传组件，
SmartUpload组件上传的时候使用的依然是HTMl标签，
所以搜的内容首先还是要被提交到ActionForm之中，
在ActionForm中通过一个FormFile的类型，去接受上传的文件。用户必须自己编写IO流，才能操作成功。
SmartUpload组件上传的时候使用的依然是HTMl标签，
所以搜的内容首先还是要被提交到ActionForm之中，
在ActionForm中通过一个FormFile的类型，去接受上传的文件。用户必须自己编写IO流，才能操作成功。
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean" %>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html" %>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic" %>
<%@ taglib uri="http://struts.apache.org/tags-tiles" prefix="tiles" %>
<html:html lang="true">
<head>
<title>Upload.jsp</title>
</head>
<body>
<html:form action="upload.do" method="post" enctype="multipart/form-data">
文件的名称：<html:text property="name"></html:text><br>
选择上传的文件：<html:file property="pic"></html:file><br>
<html:submit value="上传"/>
</html:form>
</body>
</html:html>
* Generated by MyEclipse Struts
* Template path: templates/java/JavaClass.vtl
*/
package org.lxh.struts.form;import javax.servlet.http.HttpServletRequest;import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.upload.FormFile;/**
* MyEclipse Struts
* Creation date: 06-06-2007
*
* XDoclet definition:
* @struts.form name="uploadForm"
*/
public class UploadForm extends ActionForm {
/*
* Generated Methods
*/
private FormFile pic ;
private String name ;
/**
* Method validate
* @param mapping
* @param request
* @return ActionErrors
*/
public ActionErrors validate(ActionMapping mapping,
HttpServletRequest request) {
// TODO Auto-generated method stub
return null;
} /**
* Method reset
* @param mapping
* @param request
*/
public void reset(ActionMapping mapping, HttpServletRequest request) {
// TODO Auto-generated method stub
} public FormFile getPic() {
return pic;
} public void setPic(FormFile pic) {
this.pic = pic;
} public String getName() {
return name;
} public void setName(String name) {
this.name = name;
}
}
* Generated by MyEclipse Struts
* Template path: templates/java/JavaClass.vtl
*/
package org.lxh.struts.action;import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.upload.FormFile;
import org.lxh.struts.form.UploadForm;/**
* MyEclipse Struts
* Creation date: 06-06-2007
*
* XDoclet definition:
* @struts.action path="/upload" name="uploadForm" input="/form/upload.jsp" scope="request" validate="true"
*/
public class UploadAction extends Action {
/*
* Generated Methods
*/ /**
* Method execute
* @param mapping
* @param form
* @param request
* @param response
* @return ActionForward
*/
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
UploadForm uploadForm = (UploadForm) form;// TODO Auto-generated method stub
// 在编写IO流的时候必须有一个明确的绝对路径
// 可是对于WEB程序而言，绝对路径不是固定的
String uploadPath = this.getServlet().getServletContext().getRealPath("/")+"upload\\"+uploadForm.getName()+"."+(uploadForm.getPic().getFileName().split("\\.")[1]) ;
System.out.println("** "+uploadPath) ;
try {
OutputStream out = new FileOutputStream(new File(uploadPath)) ;
FormFile ff = uploadForm.getPic() ;
byte b[] = ff.getFileData() ;
out.write(b) ;
out.close() ;
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
}