readerlookaction.java

图书管理系统

package com.web.action;

import static com.common.BeanFactory.getBean;

import java.util.ArrayList;
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.Reader;
import com.opensymphony.xwork2.ActionSupport;
import com.pojo.BorrowLookup;
import com.service.BooksService;

public class ReaderLookAction extends ActionSupport {
	private Integer readerid;
	private Integer bookid;
	private List subBorrowBook;
	private String bookname;
	private String typeid;
	private int currentPage = 1;
	private int pageCount;
	private int messageCount;
	
	public String borrowLookup() throws Exception{
		HttpServletRequest request = ServletActionContext.getRequest();
		BooksService service = (BooksService)getBean("booksService");
		List list = service.findReaderBorrowBook(readerid, bookid, null);
		if(list==null)
			return "success";
		separatePage(list);
		return "success";
	}
	
	public String bookLookup() throws Exception{
		HttpServletRequest request = ServletActionContext.getRequest();
		BooksService service = (BooksService)getBean("booksService");
		List typeList = service.findBookType(null,null);
		request.setAttribute("typeList", typeList);
		if("".equals(typeid)||typeid==null)
			typeid = "0";
		Integer booktypeid = Integer.parseInt(typeid);
		List list = service.findBooks(null, bookname, booktypeid);

		if(list==null)
			return "success";
		separatePage(list);
		return "success";
	}

	public Integer getReaderid() {
		return readerid;
	}

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

	public Integer getBookid() {
		return bookid;
	}

	public void setBookid(Integer bookid) {
		this.bookid = bookid;
	}
	
	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)
			subBorrowBook = list.subList((currentPage-1)*4, currentPage*4);
		else
			subBorrowBook = list.subList((currentPage-1)*4, list.size());
	}

	
	public static void main(String[] args) throws Exception{
		ReaderLookAction lookaction = new ReaderLookAction();
	//	lookaction.setBooktype(2);
//		lookaction.borrowLookup();
		lookaction.bookLookup();
	}

	public List getSubBorrowBook() {
		return subBorrowBook;
	}

	public void setSubBorrowBook(List subBorrowBook) {
		this.subBorrowBook = subBorrowBook;
	}

	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 String getBookname() {
		return bookname;
	}

	public void setBookname(String bookname) {
		this.bookname = bookname;
	}

	public String getTypeid() {
		return typeid;
	}

	public void setTypeid(String typeid) {
		this.typeid = typeid;
	}


}