<?php

class FundDao {
	
	public $id;
	
	public $uid;
	
	public $qid;
	
	public $time;
	
	public $amount;
	
	public $_table = t_fund;
	
	public $_primarykey = "id";
	
	public $_fields = array ('id', 'uid', 'qid', 'time', 'amount');
	
	/**
	 * 获取基金总额
	 */
	public function get_fund (){
		$sql = "SELECT sum(amount) as allmoney  from " . $this->_table ;
		
		$query = Doo::db ()->query ( $sql );
		
		$result = $query->fetch ();
		
		return $result;
	}
	
	public function get_fund_by_amount(){
		$sql = "SELECT *  from " . $this->_table ." where amount>0 limit 1";
		
		$query = Doo::db ()->query ( $sql );
		
		$result = $query->fetch ();
		
		return $result;
	}
	
	public function set_fund_amount_spread($amount="+1",$id=0){
		$sql = "UPDATE `" . $this->_table . "` SET  `amount` = `amount` " . $amount . " WHERE `id` = " . $id;
		
		$query = Doo::db ()->query ( $sql );
	}
	
}

?>