Struts附件上传

xuyi.netjava · 发表于 2013-1-15 02:21:44

第一,jsp上传页面内容:
<%@ page contentType="text/html; charset=GBK" %>
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<html>
<head>
<title>
jsp1
</title>
</head>
<body bgcolor="#ffffff">
  <html:form action="myupload.do" method="post" enctype="multipart/form-data">
<html:file property="thisFile"/><br>
<html:file property="thisFile"/><br>
<html:submit/>
  </html:form>
</body>
</html>

第二,一个javabean
package upload;

import org.apache.struts.action.ActionForm;
import org.apache.struts.upload.FormFile;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMapping;
import javax.servlet.http.HttpServletRequest;

public class FileInfo extends ActionForm {
private FormFile thisFile;
public FormFile getThisFile() {
      return thisFile;
}

public void setThisFile(FormFile thisFile) {
      this.thisFile = thisFile;
}

public ActionErrors validate(ActionMapping actionMapping,
                              HttpServletRequest httpServletRequest) {
         /** @todo: finish this method, this is just the skeleton.*/
      return null;
}

public void reset(ActionMapping actionMapping,
                  HttpServletRequest servletRequest) {
}
}
第三,一个action
package upload;
import java.io.*;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.Action;
import org.apache.struts.upload.FormFile;

public class myupload extends Action {
public ActionForward execute(ActionMapping actionMapping,
                              ActionForm actionForm,
                              HttpServletRequest request,
                              HttpServletResponse response) throws
         FileNotFoundException, IOException {
      FileInfo fileInfo = (FileInfo) actionForm;

      //获取上传文件
      FormFile f=fileInfo.getThisFile();
      InputStream is=f.getInputStream();

      //将文件存入服务器上
      String filename=request.getSession().getServletContext().getRealPath("/shangchuan/"+f.getFileName());
      OutputStream os=new FileOutputStream(filename);
      int x=0;

      //优化流处理过程
      byte[] buffer = new byte[8192];

      while((x=is.read(buffer, 0, 8192))!=-1)
      {
         os.write(buffer,0,x);
      }
      os.close();
      response.sendRedirect("jsp1.jsp");//根据实际情况跳转
      return null;
}
}

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Struts附件上传

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