public void addOrder(Order... orders) {
		if(null != this.orders){
			ArrayUtil.append(this.orders, orders);
		}
		this.orders = orders;
	}
public void addOrder ( Order ... orders ) { if ( null != this . orders ) { ArrayUtil . append ( this . orders , orders ) ; } this . orders = orders ; }
设置排序

@param orders 排序