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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ### 業務說明 * * * * * 統一下單接口,商戶系統先調用該接口在微信支付服務后臺生成預支付交易單 ### 業務流程 * * * * * ![業務流程](https://box.kancloud.cn/8a0a3e7ba4099237e11f3360b99022fe_2246x1588.png) ### 接口鏈接 * * * * * URL地址:https://api.iredcap.cn/pay/unifiedorder **注意:** 此接口為測試接口,一切以搭建為主 ### 請求參數 * * * * * <table> <thead> <tr> <th style="width: 120px;">字段名</th> <th style="width: 120px;">變量名</th> <th style="width: 100px;">類型</th> <th style="width: 80px;">必填</th> <th style="width: 160px;">示例值</th> <th style="width: 240px;">說明</th> </tr> </thead> <tbody> <tr> <td>商戶UID</td> <td>appid</td> <td>string</td> <td>True</td> <td>100001</td> <td>商戶UID</td> </tr> <tr> <td>商品描述</td> <td>subject</td> <td>string</td> <td>True</td> <td>會員充值</td> <td>商品簡單描述</td> </tr> <tr> <td>商品信息</td> <td>body</td> <td>string</td> <td>True</td> <td>會員充值</td> <td>支付商品信息</td> </tr> <tr> <td>支付金額</td> <td>amount</td> <td>bigint</td> <td>True</td> <td>1000</td> <td>支付總金額</td> </tr> <tr> <td>附加數據</td> <td>extra</td> <td>string</td> <td>True</td> <td></td> <td>附加參數</td> </tr> <tr> <td>支付產品</td> <td>channel</td> <td>string</td> <td>True</td> <td>WXSCAN</td> <td>支付方式,當前支持: WXSCAN,QQSCAN,AWEB,AWAP</td> </tr> <tr> <td>貨幣代碼</td> <td>currency</td> <td>string</td> <td>True</td> <td>CNY</td> <td>支付幣種,當前支持: CNY</td> </tr> <tr> <td>終端IP</td> <td>client_ip</td> <td>string</td> <td>True</td> <td>127.0.0.1</td> <td>發起支付IP</td> </tr> <tr> <td>通知地址</td> <td>notify_url</td> <td>string</td> <td>True</td> <td></td> <td>異步通知地址</td> </tr> <tr> <td>回調地址</td> <td>return_url</td> <td>string</td> <td>True</td> <td></td> <td>同步回調地址</td> </tr> </tbody> </table> >[warning] extra參數說明 當請求參數channelId = WXJS(微信公眾號支付)時,openId參數必填,對應用戶所在微信公眾號的openId。 ``` {"openId":"wx_o2RvowOHGyfcklTodrNbceaDqo"} ``` ### 返回參數 * * * * * <table> <thead> <tr> <th style="width: 120px;">字段名</th> <th style="width: 120px;">變量名</th> <th style="width: 100px;">類型</th> <th style="width: 80px;">必填</th> <th style="width: 160px;">示例值</th> <th style="width: 240px;">說明</th> </tr> </thead> <tbody> <tr> <td>錯誤碼</td> <td>result_code</td> <td>string</td> <td>True</td> <td>OK</td> <td>結果碼, OK:成功; 其他:失敗</td> </tr> <tr> <td>返回消息</td> <td>result_msg</td> <td>string</td> <td>True</td> <td>SUCCESS</td> <td>提示信息,SUCCESS:成功</td> </tr> <tr> <td>數據對象</td> <td>charge</td> <td>object</td> <td>True</td> <td></td> <td>返回支付對象(請看下方具體數據)</td> </tr> </tbody> </table> ### 返回結果 * * * * * >[success] 這里是**成功返回信息** > 在返回JSON數據中 **result_code=OK** 和 **result_msg= SUCCESS** 時才有 _**charge**_ ``` { "result_code": "OK", "result_msg": "SUCCESS", "charge": { "channel": "wx_scan", "order_no": "A20180924175446924770", "client_ip": "112.116.253.55", "amount": "100", "currency": "CNY", "subject": "API支付測試", "body": "API支付測試", "extra": { "openid": "ow_eHIGfsQM6qGrd27qRj3v1R5fyY2PjJ0h" }, "credential": { "prepay_id": "wx241754525235056fc4574b7d2697455231", "order_qr": "weixin://wxpay/bizpayurl?pr=xxxxxx" } } } ``` >[danger] 這里是**錯誤返回信息** > 在返回錯誤數據中僅有 **error_code** 和 **error_msg** ``` { "error_msg": "Invalid Request.[ Request header [authentication] Failure.]", "error_code": 400000 } ```
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