returnbook.java

是一个简单的图书馆管理系统

package com.yourcompany.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 com.yourcompany.struts.Impl.Impl;
import com.yourcompany.struts.Impl.Impl.ConnDB;
import com.yourcompany.struts.form.Student_BookForm;





public class ReturnBook extends Action{
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		Student_BookForm student_book =(Student_BookForm) form;		
		
		try { 
			if(request.getSession().getAttribute("s_no")!=null)
			{
				student_book.setS_no((String)request.getSession().getAttribute("s_no"));
			}
			Impl dao=new Impl(ConnDB.getconn());
			 dao.returnbook(student_book); 
			 
			 dao.updateBook_no2(dao.searchB_number(student_book), student_book);
			 
		} catch (Exception e) {
			
			e.printStackTrace();
		}
	     
	//	 request.setAttribute("delForm", delForm);
		 return mapping.findForward("suc");
	
	}

}