支付类程序解释

Question

 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

?你想说什么,解释什么,为什么要有这些参数?

因为需要 所以就有这么多参数

每个接口提供的参数大同小异 所以你可以去 看看开发说明书