src/com/oa/services/impl/CourseServicesImpl.java

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package com.oa.services.impl;


import java.util.List;

import javax.servlet.http.HttpServletRequest;

import com.oa.models.TCourse;
import com.oa.services.CourseServices;
import com.oa.utils.PageInfo;
import com.oa.web.AbstractServices;


public class CourseServicesImpl extends AbstractServices implements CourseServices {
	/**
	 * 分页
	 */
	public PageInfo queryCourse(int currentpage, int pageunit,
			HttpServletRequest request, String url, String cond) {
		int rowCount = this.getCoursesCount(cond);
		List<TCourse> list = this.getCourses(currentpage,
				pageunit, cond);
		PageInfo PageInfo = new PageInfo(currentpage, pageunit, rowCount, url,
				list);
		return PageInfo;
	}
	
	/**
	 * 
	 *
	 * 分页
	 *
	 */
	public int getCoursesCount(String cond) {
		try {
			String hql = " select count(a) from TCourse a where 1=1 "
					+ cond;
			Object t = this.queryAggregation(hql);
			return ((Long) t).intValue();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return 0;
	}
	/**
	 * 
	 *
	 * 查询
	 *
	 */
	public List<TCourse> getCourses(int currentpage, int pageunit,
			String cond) {

		try {
			String hql = " from TCourse a where 1=1  " + cond;
			return this.query(hql, currentpage, pageunit);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;