'http://ip:port/api/cardbusiness/aggregatepay/b2c/online/sersuborderrefund/V1', "method" => 'POST', "isNeedEncrypt" => false, "biz_content" => array( "mer_id"=>"20000001490", "mer_prtcl_no"=>"2000000149000101", "icbc_appid"=>"10000000000004095503", "oper_flag"=>"0",//0-子订单退货 ,1 - 消费退货 "sub_order_id"=>"20001040336202005261544015",//子订单编号唯一 "seq_no"=>"020001040311000712005220070004",//原外部交易序号 "busi_type"=>"2",//原交易类型,2-使用工行订单号 "ori_mer_id"=>"020001040311",//原交易商户编号 "sub_mer_id"=>"020001040336",//商户编号 "sub_mer_prtcl_no":=>"0200010403360201",//协议编号 "ret_sub_order_id"=>"113674649", "outtrx_serial_no"=>"",//大订单加送字段 "classify_amt"=>"2",//清算金额 "ori_trx_date"=>"2020-09-30", "mer_acct" =>""//清算账号 ) ); //以下构造函数第1个参数为appid,第2个参数为RSA密钥对中私钥,第6个参数为API平台网关公钥 $client = new DefaultIcbcClient('10000000000004095503', ' 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', IcbcConstants::$SIGN_TYPE_RSA, '', '', '', '', '', '', ''); $resp = $client->execute($request,'123131123asda','');//执行调用;msgId消息通讯唯一编号,要求每次调用独立生成,APP级唯一 echo $resp; $respObj = json_decode($resp,true); if($respObj["return_code"] == 0){ //sucess echo $respObj["return_msg"]; }else{//fail echo $respObj["return_msg"]; } ?>