bookmanageraction.java

图书馆管理系统,用java编写,有原码,有检索,查询,修改,删除等功能

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

import java.io.UnsupportedEncodingException;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.DynaActionForm;
import org.apache.struts.actions.DispatchAction;

import com.autumn.pojo.Book;
import com.autumn.pojo.Reader;
import com.autumn.pojo.oper.Factory;

/** 
 * MyEclipse Struts
 * Creation date: 06-19-2008
 * 
 * XDoclet definition:
 * @struts.action path="/bookmanager" name="bookForm" input="/bookoper.jsp" parameter="status" scope="request" validate="true"
 * @struts.action-forward name="bookoper" path="/bookoper.jsp"
 */
public class BookmanagerAction extends DispatchAction {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward check(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		DynaActionForm bookForm = (DynaActionForm) form;// TODO Auto-generated method stub
		String rid = bookForm.getString("rid") ;
		String bcode = bookForm.getString("bcode") ;
		ActionMessages errors = new ActionMessages() ;
		if(rid==null||"".equals(rid)||bcode==null||"".equals(bcode))
		{
			errors.add("bookout", new ActionMessage("outmes.null")) ;
			super.saveErrors(request, errors) ;
			return mapping.getInputForward() ;
		}
		Reader reader = Factory.getReaderOperIntance().queryById(rid) ;
		Book book = Factory.getBookOperInstance().queryByCode(bcode) ;
		if(reader==null)
		{
			errors.add("outmes", new ActionMessage("reader.err")) ;
			super.saveErrors(request, errors) ;
			return mapping.getInputForward();
		}
		if(book==null)
		{
			errors.add("outmes", new ActionMessage("book.err")) ;
			super.saveErrors(request, errors) ;
			return mapping.getInputForward() ;
		}
		if(book.getOut()==1)
		{
			errors.add("outmes", new ActionMessage("book.out")) ;
			super.saveErrors(request, errors) ;
			return mapping.getInputForward() ;
		}
		request.setAttribute("reader", reader) ;
		request.setAttribute("book",book) ;
		return mapping.findForward("outmessage");
	}
	public ActionForward back(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		DynaActionForm bookForm = (DynaActionForm) form;
		String bcode = bookForm.getString("bcode") ;
		boolean suc =  Factory.getBorrowedOperInstance().delete(bcode) ;
		String success = null ;
		if(suc)
		{
			success = "suc" ;
		}
		request.setAttribute("success", success) ;
		return mapping.findForward("outmessage") ;
	}
	public ActionForward out(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		DynaActionForm bookForm = (DynaActionForm) form;
		String bcode = bookForm.getString("bcode") ;
		String rid = bookForm.getString("rid") ;
		boolean suc = Factory.getBorrowedOperInstance().add(bcode, rid) ;
		String success = null ;
		if(suc)
		{
			success = "suc" ;
		}
		request.setAttribute("success", success) ;
		return mapping.findForward("outmessage");
	}
	public ActionForward queryreader(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		DynaActionForm bookForm = (DynaActionForm) form;
		String cond = bookForm.getString("cond") ;
		List all =null; 
		all= Factory.getReaderOperIntance().queryByLike(cond) ;
		String query = "query" ;
		request.setAttribute("readers", all) ;
		request.setAttribute("query", query) ;
		return mapping.findForward("readerinfo");
	}
	public ActionForward querybook(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		DynaActionForm bookForm = (DynaActionForm) form;
		String cond = bookForm.getString("cond") ;
		List all =null;
		all = Factory.getBookOperInstance().queryByLike(cond) ;
		request.setAttribute("books", all) ;
		return mapping.findForward("bookinfo");
	}
	//添加图书
	public ActionForward addbook(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		DynaActionForm bookForm = (DynaActionForm) form;
		String bid=bookForm.getString("bid") ;
		String bcode=bookForm.getString("bcode") ;
		String bname=bookForm.getString("bname") ;
		String publisher=bookForm.getString("publisher") ;
		String author=bookForm.getString("author") ;
		String price = bookForm.getString("price");
		int pagecount = (Integer)bookForm.get("pagecount") ;
		
		ActionMessages errors = new ActionMessages() ;
		if(bid==null||"".equals(bid)||bcode==null||"".equals(bcode)||bname==null||"".equals(bname)||publisher==null||"".equals(publisher)||author==null||"".equals(author)||price==null||"".equals(price))
		{
			request.setAttribute("bookinfo","err") ;
			return mapping.findForward("addbook") ;
		}
		if(Factory.getBookOperInstance().queryByCode(bcode)!=null)
		{
			request.setAttribute("bookdu", "yes") ;
		}
		Book book = new Book() ;
		book.setId(bid) ;
		book.setCode(bcode) ;
		try {
			book.setName(new String(bname.getBytes("gbk"),"iso8859-1")) ;
		} catch (UnsupportedEncodingException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		try {
			book.setPublish(new String(publisher.getBytes("gbk"),"iso8859-1")) ;
		} catch (UnsupportedEncodingException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		try {
			book.setAuthor(new String(author.getBytes("gbk"),"ISO8859-1")) ;
		} catch (UnsupportedEncodingException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		book.setPrice(price) ;
		book.setPagecount(pagecount) ;
		boolean suc =false ;
		request.setAttribute("add", "yes") ;//判断是否添加，若没有经过添加，则在页面不显示结果信息
		try {
			suc = Factory.getBookOperInstance().insert(book) ;
		} catch (RuntimeException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		if(suc)
		{
			request.setAttribute("suc", "s") ;
		}
		return mapping.findForward("addbook") ;
	}
	//查询准备删除的图书的信息
	public ActionForward deletequery(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		DynaActionForm bookForm = (DynaActionForm) form;
		String bcode = bookForm.getString("bcode") ;
		if(bcode==null||"".equals(bcode))
		{
			request.setAttribute("bcodenull", "yes") ;
			return mapping.findForward("deletebook") ;
		}
		Book book = Factory.getBookOperInstance().queryByCode(bcode) ;
		request.setAttribute("query", "yes") ;
		request.setAttribute("book", book) ;
		return mapping.findForward("deletebook");
	}
	//删除图书
	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		DynaActionForm bookForm = (DynaActionForm) form;
		String bcode = bookForm.getString("bcode") ;
		Book b = Factory.getBookOperInstance().queryByCode(bcode) ;
		boolean suc = Factory.getBookOperInstance().delete(b) ;
		if(suc)
		{
			request.setAttribute("suc", "s") ;
		}else{
			request.setAttribute("suc", "f") ;
		}
		return mapping.findForward("deletebook");
	}
}