微信小程序—支付功能
發(fā)布時(shí)間：2017-12-13 09:00 所屬欄目：小程序開發(fā)教程
微信小程序—支付功能
只提供微信小程序端代碼
-
var app = getApp(); -
Page({ -
data: {}, -
onLoad: function (options) { -
// 頁面初始化 options為頁面跳轉(zhuǎn)所帶來的參數(shù) -
var that = this -
//登陸獲取code -
wx.login({ -
success: function (res) { -
console.log(res.code) -
//獲取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=小程序應(yīng)用密鑰&js_code=" + code + "&grant_type=authorization_code", -
data: {}, -
method: 'GET', -
success: function (res) { -
that.generateOrder(res.data.openid) -
}, -
fail: function () { -
// fail -
}, -
complete: function () { -
// complete -
} -
}) -
}, -
/**生成商戶訂單 */ -
generateOrder: function (openid) { -
var that = this -
//統(tǒng)一支付 -
wx.request({ -
url: '后臺(tái)路徑', -
method: 'GET', -
data: { -
gfee: '商品價(jià)錢', -
gname: '商品名稱', -
openId:openid -
（商品價(jià)錢和商品名稱根據(jù)自身需要是否傳值,openid為必傳） -
}, -
success: function (res) { -
var pay = res.data -
//發(fā)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(默認(rèn)為1) 頁面 -
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 -
} -
}) -
} -
})
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