微信小程序—微信小程序端支付代码

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只有微信小程序端的代码,如下

Page({    data: {},    onLoad: function (options) {        // 页面初始化 options为页面跳转所带来的参数        var that = this        //登陆获取code        wx.login({            success: function (res) {                console.log(res.code)                //获取openid                that.getOpenId(res.code)            }        });    },    getOpenId: function (code) {        var that = this;        wx.request({            url: "https://api.weixin.qq.com/sns/jscode2session?appid=小程序appid&secret=小程序应用密钥&js_code=" + code + "&grant_type=authorization_code",            data: {},            method: 'GET',            success: function (res) {                that.generateOrder(res.data.openid)            },            fail: function () {                // fail            },            complete: function () {                // complete            }        })    },    /**生成商户订单 */    generateOrder: function (openid) {        var that = this        //统一支付        wx.request({            url: '后台路径',            method: 'GET',            data: {                gfee: '商品价钱',                gname: '商品名称',                openId:openid                (商品价钱和商品名称根据自身需要是否传值,openid为必传)            },            success: function (res) {                var pay = res.data                //发起支付                var timeStamp = pay[0].timeStamp;                var packages = pay[0].package;                var paySign = pay[0].paySign;                var nonceStr = pay[0].nonceStr;                var param = { "timeStamp": timeStamp, "package": packages, "paySign": paySign, "signType": "MD5", "nonceStr": nonceStr };                that.pay(param)            },        })    },    /* 支付   */    pay: function (param) {        console.log("支付")        console.log(param)        wx.requestPayment({            timeStamp: param.timeStamp,            nonceStr: param.nonceStr,            package: param.package,            signType: param.signType,            paySign: param.paySign,            success: function (res) {                // success                wx.navigateBack({                    delta: 1, // 回退前 delta(默认为1) 页面                    success: function (res) {                        wx.showToast({                            title: '支付成功',                            icon: 'success',                            duration: 2000                        })                    },                    fail: function () {                        // fail                    },                    complete: function () {                        // complete                    }                })            },            fail: function (res) {                // fail            },            complete: function () {                // complete            }        })    }})

原文名称:微信小程序—微信小程序端支付代码
原文地址:http://www.wxapp-union.com/article-2370-1.html

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