updatesightaction.java

旅游自助系统

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package org.tshs.struts.action;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Vector;

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.tshs.core.AuthenticationManager;
import org.tshs.entity.SightSpot;
import org.tshs.struts.form.UpdateSightForm;

/** 
 * MyEclipse Struts
 * Creation date: 12-18-2006
 * 
 * XDoclet definition:
 * @struts.action path="/updateSight" name="updateSightForm" input="/form/updateSight.jsp" scope="request" validate="true"
 * @struts.action-forward name="success" path="/dept/sightFormdiplay.jsp"
 * @struts.action-forward name="failure" path="/dept/modifysightForm.jsp"
 */
public class UpdateSightAction 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) {
		Object obj = request.getSession().getAttribute("dept");
		if (obj == null) {
			request.setAttribute("message", "你的操作需要以旅游局身份登陆后才能执行！");
			return mapping.findForward("dept.needlogin");
		}
		UpdateSightForm sightForm = (UpdateSightForm) form;
		String tid = sightForm.getId();
		String name=sightForm.getName();
		String address=sightForm.getAddress();
		FormFile file = sightForm.getImage();
		String discription = sightForm.getDescription();
		String filePath = this.getServlet().getServletContext().getRealPath("/");
		String extention = null;
		String message = "";
		if(name == null||name.trim().length()==0){
			message = "景点名称不能为空；";
		}
		if(address==null||address.trim().length()==0){
			message += "景点地址不能为空；";
		}
		if(discription==null||discription.trim().length()==0){
			message += "景点简介不能为空；";
		}
		if(file == null||file.getFileSize()==0){
			message += "上传相片不能为空，重新上传！";
		}
		if(message.length()>0){
			request.setAttribute("message", message);
			Vector v = new Vector();
			v.add(tid);
			v.add(name);
			v.add(address);
			v.add(discription);
			request.setAttribute("information", v);
			return new ActionForward("/dept/modifysight.jsp");
		}
		try {
			InputStream stream = file.getInputStream();// 把文件读入
			String filename = file.getFileName();
			extention = filename.substring(filename.lastIndexOf('.'));
			File dir = new File(filePath+"/upload");
			if(!dir.exists()){
				dir.mkdirs();
			}
			File toFile = new File(filePath + "/upload/temp" + extention);
			/*if(!toFile.exists()){
				toFile.createNewFile();
			}*/
			System.out.println(toFile.getAbsolutePath());
			OutputStream bos = new FileOutputStream(toFile);// 建立一个上传文件的输出流
			int bytesRead = 0;
			byte[] buffer = new byte[8192];
			while ((bytesRead = stream.read(buffer, 0, 8192)) != -1) {
				bos.write(buffer, 0, bytesRead);// 将文件写入服务器
			}
			bos.close();
			stream.close();
		} catch (Exception e) {
			System.err.print(e);
		}

	        
		String pageForward="failure";
		Long id = Long.valueOf(sightForm.getId());
		System.out.println(id);
		if(AuthenticationManager.UpdateSightspot(id,filePath, name, address, extention, discription)){
			pageForward="success";
			SightSpot sight = (SightSpot) AuthenticationManager.getById(id);
			request.setAttribute("sight", sight);
			request.setAttribute("message", "景点信息更新成功！");
		}
		
		return mapping.findForward(pageForward);
	}
}