borrowbookrecordaction.java

图书管理系统

package com.web.action;

import static com.common.BeanFactory.getBean;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.ServletActionContext;

import com.bean.BorrowBook;
import com.opensymphony.xwork2.ActionSupport;
import com.service.BooksService;

public class BorrowBookRecordAction extends ActionSupport{
	private Integer bookid;
	private Integer readerid;
	private Integer currentPage = 1;
	private Integer pageCount;
	private Integer messageCount;
	private List subBorrowRecord;
	
	public String borrowRecord() throws Exception{
		HttpServletRequest request = ServletActionContext.getRequest();
		BooksService service = (BooksService)getBean("booksService");
		System.out.println(readerid+"/"+bookid);
		List list = service.findReaderBorrowBook(readerid, bookid, null);
		if(list==null)
			return "success";
		separatePage(list);
		return "success";
	}
	
	public Integer getBookid() {
		return bookid;
	}

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

	public Integer getReaderid() {
		return readerid;
	}

	public void setReaderid(Integer readerid) {
		this.readerid = readerid;
	}

	public int getCurrentPage() {
		return currentPage;
	}

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

	public int getPageCount() {
		return pageCount;
	}

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

	public int getMessageCount() {
		return messageCount;
	}

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

	public List getSubBorrowRecord() {
		return subBorrowRecord;
	}

	public void setSubBorrowRecord(List subBorrowRecord) {
		this.subBorrowRecord = subBorrowRecord;
	}

	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)
			subBorrowRecord = list.subList((currentPage-1)*4, currentPage*4);
		else
			subBorrowRecord = list.subList((currentPage-1)*4, list.size());
	}
}