bookborrowmanageraction.java

图书管理系统

package com.web.action;

import static com.common.BeanFactory.getBean;

import java.sql.Timestamp;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.ServletActionContext;

import com.bean.Book;
import com.bean.BorrowBook;
import com.bean.Operator;
import com.bean.Reader;
import com.opensymphony.xwork2.ActionSupport;
import com.service.BooksService;

public class BookBorrowManagerAction extends ActionSupport {
	private String readername;
	private Integer readerid;
	private Integer bookid;
	private int currentPage = 1;
	private int pageCount;
	private int messageCount;
	private List subReader;
	private Integer daytime;
	public Integer getBorrownum() {
		return borrownum;
	}

	public void setBorrownum(Integer borrownum) {
		this.borrownum = borrownum;
	}

	private Integer borrownum;

	public Integer getDaytime() {
		return daytime;
	}

	public void setDaytime(Integer daytime) {
		this.daytime = daytime;
	}

	public Integer getBookid() {
		return bookid;
	}

	public void setBookid(Integer bookid) {
		this.bookid = bookid;
	}

	public void setCurrentPage(int currentPage) {
		this.currentPage = currentPage;
	}

	public void setPageCount(int pageCount) {
		this.pageCount = pageCount;
	}

	public void setMessageCount(int messageCount) {
		this.messageCount = messageCount;
	}

	
	public String bookBorrow() throws Exception{
		HttpServletRequest request = ServletActionContext.getRequest();
		BooksService service = (BooksService)getBean("booksService");
		List list = service.findReader(readerid, readername, null);
		if(list==null)
			return "success";
		separatePage(list);
		System.out.println(messageCount+"/"+pageCount+"/"+currentPage);
		return "success";
	}
	
	public String registerBorrowBook() throws Exception{
		HttpServletRequest request = ServletActionContext.getRequest();
		BooksService service = (BooksService)getBean("booksService");
		List readerl =service.findReader(readerid, null, null);
		int maxnum = 0;
		int maynum = 0;
		int borrowednum = 0;
		if(readerl==null){
			request.setAttribute("usermessage", "该用户未登记");
			return "success";
		}
		Reader reader = (Reader)readerl.get(0);
		maxnum = reader.getMaxborrownum();
		request.setAttribute("maxnum", maxnum);
		List list = service.findReaderBorrowBook(readerid, null, null);
		if(list==null||list.isEmpty()){
			request.setAttribute("borrowednum", 0);
			request.setAttribute("maynum", maxnum);
			return "success";
		}
		BorrowBook borrowBook = (BorrowBook)list.get(0);
		borrowednum = borrowBook.getBorrowBooknumber();
		request.setAttribute("borrowednum", borrowednum);
		maynum = maxnum-borrowednum;
		request.setAttribute("maynum", maynum);
		return "success";
	}
		
	private void separatePage(List list){
		if(list.isEmpty()){
			messageCount = 0;
			return;
		}
		messageCount = list.size();
		if(list.size()%4==0)
			pageCount = list.size()/4;
		else
			pageCount = list.size()/4 + 1;
		if(list.size()>currentPage*4)
			subReader = list.subList((currentPage-1)*4, currentPage*4);
		else
			subReader = list.subList((currentPage-1)*4, list.size());
	}
	
	public String getReadername() {
		return readername;
	}
	public void setReadername(String readername) {
		this.readername = readername;
	}
	public Integer getReaderid() {
		return readerid;
	}
	public void setReaderid(Integer readerid) {
		this.readerid = readerid;
	}

	public Integer getMessageCount() {
		return messageCount;
	}

	public void setMessageCount(Integer messageCount) {
		this.messageCount = messageCount;
	}

	public Integer getCurrentPage() {
		return currentPage;
	}

	public void setCurrentPage(Integer currentPage) {
		this.currentPage = currentPage;
	}

	public Integer getPageCount() {
		return pageCount;
	}

	public void setPageCount(Integer pageCount) {
		this.pageCount = pageCount;
	}

	public List getSubReader() {
		return subReader;
	}

	public void setSubReader(List subReader) {
		this.subReader = subReader;
	}
}