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小程序 wx.addCard 调用商户平台的代金劵,错误:系统错误,真机 参数有误,如何解决?

timestamp:

1740543991

nonceStr:

cc420ff3fbb84a11b1d28c4e50576636

cardId:

pX2-vjuTfcFRkVzVogonqZ2O16Ns

拼接串(原文)

combinedString:1740543991kqxRwT0lF4G-mWsgBWkeIuuc_z3B3fgCnptbFKsyOikcjNjdHNdY9TNleINHIbFmy9GIFIJIEpPjVbZnd7A5ugpX2-vjuTfcFRkVzVogonqZ2O16Ns

sign:

406e1bcacf29c58c81d9c9d520ae2730426fcb80


//  执行加增劵到卡包

    doAddCardToPagket:function(){

        // 配置 wx.config

        var cardExt={

                timestamp: "1740543991",

                nonce_str: "cc420ff3fbb84a11b1d28c4e50576636",

                signature: "406e1bcacf29c58c81d9c9d520ae2730426fcb80",

                code: "",

                openid: ""// 用户的微信公众号openid

        };

        var json=JSON.stringify(cardExt);

        console.log("json",json);

        wx.addCard({

            cardList: [{

              cardId:'pX2-vjuTfcFRkVzVogonqZ2O16Ns', // 卡券ID

              cardExt: JSON.stringify(cardExt)

            }],

            success: (res) => {

              console.log('添加成功', res.cardList);

            },

            fail: (err) => {

              console.log('添加失败', err);

            }

          });

    }


开发工具上提示:系统错误

真机上运行: 参数有误





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