RmPageVo.java

package org.quickbundle.base.web.page;

import org.quickbundle.base.vo.RmValueObject;
import org.quickbundle.config.RmBaseConfig;

public class RmPageVo extends RmValueObject {
	   
    /**
	 * 
	 */
	private static final long serialVersionUID = 1L;


	public RmPageVo() {
        super();
    }
    /**
     * 构造函数:
     * @param recordCount 记录总数
     * @param pageSize 每页有多少条记录
     */
    public RmPageVo(int recordCount, int pageSize) {
        this();
        if(recordCount < 0) {
            recordCount = 0;
        }
        if(pageSize < 1) {
            pageSize = RmBaseConfig.getSingleton().getDefaultPageSize();
        }
        this.recordCount = recordCount;
        this.pageSize = pageSize;
    }
    
    /**
     * recordCount 表示: 记录总数
     */
    private int recordCount;

    /**
     * pageSize 表示: 每页有多少条记录
     */
    private int pageSize;

    /**
     * currentPage 表示: 当前第几页
     */
    private int currentPage = 1;
 
    
    /**
     * 功能: 获得总页数
     *
     * @return
     */
    public int getPageCount() {
    	int pc = recordCount / pageSize + (recordCount % pageSize == 0 ? 0 : 1);
    	if(pc == 0) {
    		pc = 1;
    	}
        return pc;
    }
    
    /**
     * 功能: 获得开始条数
     *
     * @return
     */
    public int getStartIndex() {
        return (currentPage - 1) * pageSize + 1;
    }
    


    public int getCurrentPage() {
        return currentPage;
    }

    public void setCurrentPage(int currentPage) {
        if(currentPage <= 1 || getPageCount() == 0) {
            currentPage = 1;
        } else if(currentPage > getPageCount()) {
            currentPage = getPageCount();
        }
        this.currentPage = currentPage;
    }

    public int getPageSize() {
        return pageSize;
    }

    public void setPageSize(int pageSize) {
        this.pageSize = pageSize;
    }

    public int getRecordCount() {
        return recordCount;
    }

    public void setRecordCount(int recordCount) {
        this.recordCount = recordCount;
    }

    
    public static void main(String[] args) {
		System.out.println(new RmPageVo());
	}
    
}