src/org/nutz/el/opt/object/MethodOpt.java
@SuppressWarnings("unchecked")
    private List<Object> fetchParam(){
        List<Object> rvals = new ArrayList<Object>();
        if(right != null){
            if(right instanceof CommaOpt){
                rvals = (List<Object>) ((CommaOpt) right).calculate();
            } else {
                rvals.add(calculateItem(right));
            }
        }
        if(!rvals.isEmpty()){
            for(int i = 0; i < rvals.size(); i ++){
                if(rvals.get(i) instanceof Operator){
                    rvals.set(i, ((Operator)rvals.get(i)).calculate());
                }
            }
        }
        return rvals;
    }
@SuppressWarnings("unchecked")
    private List<Object> fetchParam(){
        List<Object> rvals = new ArrayList<Object>();
        if(right != null){
            if(right instanceof CommaOpt){
                rvals = (List<Object>) ((CommaOpt) right).calculate();
            } else {
                rvals.add(calculateItem(right));
            }
        }
        if(!rvals.isEmpty()){
            for(int i = 0; i < rvals.size(); i ++){
                if(rvals.get(i) instanceof Operator){
                    rvals.set(i, ((Operator)rvals.get(i)).calculate());
                }
            }
        }
        return rvals;
    }
取得方法执行的参数
@return