src/com/ischoolbar/programmer/dao/LeaveDao.java

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package com.ischoolbar.programmer.dao;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import com.ischoolbar.programmer.model.Course;
import com.ischoolbar.programmer.model.Leave;
import com.ischoolbar.programmer.model.Page;
import com.ischoolbar.programmer.util.StringUtil;

/**
 * 请假表数据库操作
 * 公众号：springmeng
 *
 */
public class LeaveDao extends BaseDao {
	/**
	 * 添加请假信息
	 * @param leave
	 * @return
	 */
	public boolean addLeave(Leave leave){
		String sql = "insert into s_leave values(null,"+leave.getStudentId()+",'"+leave.getInfo()+"',"+Leave.LEAVE_STATUS_WAIT+",'"+leave.getRemark()+"')";
		return update(sql);
	}
	
	/**
	 * 编辑请假单
	 * @param leave
	 * @return
	 */
	public boolean editLeave(Leave leave){
		String sql = "update s_leave set student_id = "+leave.getStudentId()+", info = '"+leave.getInfo()+"',status = "+leave.getStatus()+",remark = '"+leave.getRemark()+"' where id = " + leave.getId();
		return update(sql);
	}
	
	/**
	 * 删除请假信息
	 * @param id
	 * @return
	 */
	public boolean deleteLeave(int id) {
		// TODO Auto-generated method stub
		String sql = "delete from s_leave where id = " + id ;
		return update(sql);
	}
	
	/**
	 * 获取分页请假单信息列表
	 * @param leave
	 * @param page
	 * @return
	 */
	public List<Leave> getLeaveList(Leave leave,Page page){
		List<Leave> ret = new ArrayList<Leave>();
		String sql = "select * from s_leave ";
		if(leave.getStudentId() != 0){
			sql += " and student_id = " + leave.getStudentId() + "";