根据代码写出流程图

Question

//准备扫码支付下单请求参数
    public static Map prepareScanMap(String scancode_type){
        Map reqMap = new HashMap();
        reqMap.put("service","active_scancode_order");
        reqMap.put("charset",charset);
        reqMap.put("mer_id",mer_id);
        reqMap.put("sign_type",sign_type);
        reqMap.put("ret_url","http://www.baidu.com");
        reqMap.put("notify_url","http://www.baidu.com");
        reqMap.put("res_format",res_format);
        reqMap.put("version","4.0");
        reqMap.put("goods_inf","测试商品");
        reqMap.put("order_id",orderid);
        reqMap.put("mer_date",merdate);
        reqMap.put("amount","1");
        reqMap.put("amt_type","RMB");
        reqMap.put("scancode_type",scancode_type);
        return reqMap;
    }

Answer 1

这种自上而下的结构，最好画流程图了吧。从头画到脚就可以