pagebean.java

来自「一个很好的jbpm应用实例」· Java 代码 · 共 114 行

package c20.helper;

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

import org.apache.commons.beanutils.ConversionException;

import c20.util.ConvertUtil;

/**
 * 分页信息类
 * @author yuxd
 *
 */
public class PageBean {
	//记录总数
	private int count = 0;
	//第页显示记录数
	private int pageSize = 4;
	//总页数
	private int pageCount = 0;
	//当前页数
	private int page = 1;
	
	
	private String p_COUNT = "f_count";
	private String p_PAGESIZE = "f_pageSize";
	private String p_PAGECOUNT = "f_pageCount";
	private String p_PAGE = "f_page";
	private String p_Form = "f_pageForm";
	
	public int getCount() {
		return count;
	}
	public void setCount(int count) {
		//设置总页数
		if(pageSize > 0){
			pageCount = (count - 1)/pageSize + 1;
		}
		this.count = count;
	}
	public int getPage() {
		return page;
	}
	public void setPage(int page) {
		this.page = page;
	}
	public int getPageCount() {
		return pageCount;
	}
	public void setPageCount(int pageCount) {
		this.pageCount = pageCount;
	}
	public int getPageSize() {
		return pageSize;
	}
	public void setPageSize(int pageSize) {
		this.pageSize = pageSize;
	}
	
	/**
	 * 从提交来的信息中组成PageBean
	 * @param request
	 * @param response
	 * @return
	 */
	public static PageBean getPageBean(HttpServletRequest request, HttpServletResponse response){
		PageBean pageBean = new PageBean();
		
		//组成PageBean,如果出异常则用缺省的
		try{
			pageBean.setCount(ConvertUtil.convertInt(request.getParameter(pageBean.p_COUNT)));
			pageBean.setPageSize(ConvertUtil.convertInt(request.getParameter(pageBean.p_PAGESIZE)));
			pageBean.setPageCount(ConvertUtil.convertInt(request.getParameter(pageBean.p_PAGECOUNT)));
			pageBean.setPage(ConvertUtil.convertInt(request.getParameter(pageBean.p_PAGE)));
		}catch(ConversionException e){
			//使用缺省的
			pageBean = new PageBean();
		}
		
		return pageBean;
	}
	public String getP_COUNT() {
		return p_COUNT;
	}
	public String getP_PAGE() {
		return p_PAGE;
	}
	public String getP_PAGECOUNT() {
		return p_PAGECOUNT;
	}
	public String getP_PAGESIZE() {
		return p_PAGESIZE;
	}
	public void setP_COUNT(String p_count) {
		p_COUNT = p_count;
	}
	public void setP_PAGE(String p_page) {
		p_PAGE = p_page;
	}
	public void setP_PAGECOUNT(String p_pagecount) {
		p_PAGECOUNT = p_pagecount;
	}
	public void setP_PAGESIZE(String p_pagesize) {
		p_PAGESIZE = p_pagesize;
	}
	public String getP_Form() {
		return p_Form;
	}
	public void setP_Form(String form) {
		p_Form = form;
	}
}