upfileform.java

实现一个J2EE上传功能完整的源代码

package com.actionForm;

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.action.ActionMessage;
import org.apache.struts.upload.FormFile;

public class UpFileForm extends ActionForm {
	private String finfo;
	private FormFile upfile;
	private int fid;
	private String fname;
	private String ftype;
	private int fsize;
	private int default_size = 1024 * 1024 * 2;

	public String getFinfo() {
		return finfo;
	}

	public void setFinfo(String finfo) {
		this.finfo = finfo;
	}

	public FormFile getUpfile() {
		return upfile;
	}

	public void setUpfile(FormFile upfile) {
		this.upfile = upfile;
	}

	public int getFid() {
		return fid;
	}

	public void setFid(int fid) {
		this.fid = fid;
	}

	public String getFname() {
		return fname;
	}

	public void setFname(String fname) {
		this.fname = fname;
	}

	public String getFtype() {
		return ftype;
	}

	public void setFtype(String ftype) {
		this.ftype = ftype;
	}

	public int getFsize() {
		return fsize;
	}

	public void setFsize(int fsize) {
		this.fsize = fsize;
	}

	public ActionErrors validate(ActionMapping mapping,
			HttpServletRequest request) {
		fname = upfile.getFileName();
		fsize = upfile.getFileSize();
		ftype = upfile.getContentType();
		boolean mark = true;

		ActionErrors errors = new ActionErrors();
		if (fname == null || fname.equals("")) {
			mark = false;
			errors.add("fileM", new ActionMessage("file.up.nofile.e"));
		}
		if (mark) {
			int pos = fname.lastIndexOf(".");
			int name_1 = fname.length();
			if (pos < 0 || pos == name_1 - 1) {
				mark = false;
				errors.add("fileM", new ActionMessage("file.up.filename.e",
						fname));
			}
		}
		if (mark) {

			if (fsize > default_size) {
				mark = false;
				errors.add("fileM",
						new ActionMessage("file.up.filesize.e", "2"));
			}

		}
		return errors;
	}
}