javafishserviceimpl.java

struts+hiernate+spring分页

package javafish.business.service;

import java.io.Serializable;
import java.util.List;

import javafish.business.IJavaFishService;
import javafish.dao.IJavaFishDAO;
import javafish.model.JavaFish;
import javafish.util.PageList;
import javafish.util.Pages;
/**
 * @author 龙江
 * @version 1.0
 * 这个类是持久层接口的实现类，这个类将在Spring的applicationContext注册.
 * 此类需要依靠持久层，所以在此类中利用Spring注册了一个持久层的接口(IJavaFishDAO)
 */
public class JavaFishServiceImpl implements IJavaFishService,Serializable
{ 
	//**************利用Sring实现对象之间的调用******************// 
    private IJavaFishDAO javaFishDAO;//对应Spring配置文件applicationContext.xml文件中的<property name="javaFishDAO">名称必须匹配
	public void setJavaFishDAO(IJavaFishDAO javaFishDAO)
	{
		this.javaFishDAO = javaFishDAO;
	}
	public IJavaFishDAO getJavaFishDAO()
	{
		return(this.javaFishDAO);
	}
    //*************  end Spring DI ******************// 
	
	//#############  通过下面的方法你应该目标我业务层的方法实现依靠是我持久层的具体方法  #############//
	public JavaFish getJavaFish(long id) {
	    return getJavaFishDAO().getJavaFish(id);
	  }
	
	
	public JavaFish findByUserNamePassWord(String username, String password)
	{
		// TODO Auto-generated method stub
		return getJavaFishDAO().findByUserNamePassWord(username,password);
	}
	
	public int getAllNum()
	{
		// TODO Auto-generated method stub
		return getJavaFishDAO().getAllNum();
	}
	public void removeJavaFish(long id)
	{
		// TODO Auto-generated method stub
		getJavaFishDAO().removeJavaFish(id);
		
	}
	
	public JavaFish saveJavaFish(JavaFish javafish)
	{
		// TODO Auto-generated method stub
		return getJavaFishDAO().saveJavaFish(javafish);
	}
	public PageList findJavaFishInList(String orderby, String ascordesc, Pages pages)
	{
		// TODO Auto-generated method stub
		PageList pl = new PageList();

	    if (pages.getTotals() == -1) {
	      pages.setTotals(this.getAllNum());
	    }
	    pages.doPageBreak();

	    List l = this.getJavaFishDAO().findJavaFishInList(orderby,ascordesc,pages.getSpage(),pages.getPerPageNum());

	    pl.setObjectList(l);
	    pl.setPageShowString(pages.getListPageBreak());
	    pl.setPages(pages);
	    return pl;
	}
   //	#############  end  希望你可以理的清楚程序的思路和调用关系 #############//
}