<?php

/**
 * 学生与班级关系模型类
 * @author jiangfei
 * @date 2015-09-01 18:28:00
 * @company 上海风车教育有限公司.
 */

class StudentToClass extends MyActiveRecord{

	public static function model($className = __CLASS__){
		return parent::model($className);
	}

	public function tableName(){
		return "student_class_relation";
	}
	
	// 获取班级学生学号
	public function getStudentNoByStudentId($classId){
	    $result    =   array();
	    if (!empty($classId) && is_numeric($classId)) {
	        //$criteria 	= 	new CDbCriteria();
	        $getInfo   =   $this->findAll('class_id=:clid',array(':clid'=>$classId));
	        if (!empty($getInfo)) {
	            foreach ($getInfo as $val) {
	                $result[$val->student_id]  =   $val->userno;
	            }
	        }
	    }
	    
	    return $result;
	}
}