pupdateaction.java

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//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.0.0/xslt/JavaClass.xsl

package com.xxfb.struts.action;

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 com.xxfb.spring.IPicture;
import com.xxfb.struts.form.LoginForm;
import com.xxfb.struts.form.PictureForm;

/** 
 * MyEclipse Struts
 * Creation date: 01-07-2008
 * 
 * XDoclet definition:
 * @struts.action path="/login" name="loginForm" input="/login.jsp" scope="request" validate="true"
 * @struts.action-forward name="erorr" path="/erorr.jsp" redirect="true"
 */
//图片上传
public class PUpdateAction extends Action {

	// --------------------------------------------------------- Instance Variables

	// --------------------------------------------------------- Methods

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	private IPicture picture;
	public void setPicture(IPicture picture) {
		this.picture = picture;
	}
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response) {
		String picturepath = request.getRealPath("Pictureupload");
		System.out.print(picturepath);
		PictureForm pictureForm = (PictureForm)form;
		FormFile file1=pictureForm.getFile1();
		FormFile file2=pictureForm.getFile2();
		FormFile file3=pictureForm.getFile3();
		
		boolean filebool1 = decide(file1.getFileName());
		boolean filebool2 = decide(file2.getFileName());
		boolean filebool3 = decide(file3.getFileName());
		if(filebool1&&filebool2&&filebool3)
		{
			if(file1.getFileSize()>1&&filebool1)  
			{
				picture.insertPicture(new Integer(1),file1,picturepath);
			}
			if(file2.getFileSize()>1&&filebool2)
			{
				picture.insertPicture(new Integer(2),file2,picturepath);
			}
			if(file3.getFileSize()>1&&filebool3)
			{
				picture.insertPicture(new Integer(3),file3,picturepath);
			}
			
			return mapping.findForward("succes");  
		}
		else
		{
			return mapping.findForward("erorr");  
		}
		                                                                                                                                   
	}

	private   boolean decide(String filename)//判断是不是可用的图片类型 如果不是则返回false
	{
		int weizhi = filename.lastIndexOf(".")+1;
		int changdu = filename.length();
		String str =  filename.substring(weizhi,changdu);
		if(str.equals("jpg")||str.equals("jpeg")||str.equals("png")||str.equals("")||str==null)
		{
			System.out.print("true");
			return true;
		}
		else{
			System.out.print("false");
			return false;
		}
		
	}
	
}