微信支付 SDK,支持刷卡支付、公众号支付、扫码支付、APP 支付、H5 支付,以及优惠券,红包,企业付款,微信代扣
const path = require("path");
const fs = require("fs");
const {
PubPay,
RequestError,
CommunicationError,
utils: { getXMLBody }
} = require("@sigodenjs/wechatpay");
const pay = new PubPay({
appId: "wxb80e5bddb2d804f3",
key: "6Q9VX4N3WTBM9G9XBL7H1L9PB9ANHLY7",
mchId: "1434712502",
pfx: fs.readFileSync(path.resolve(__dirname, "cert.p12"))
});
// 调用统一下单接口
pay
.unifiedOrder({
body: "腾讯充值中心-QQ会员充值",
out_trade_no: "1217752501201407033233368018",
total_fee: 888,
spbill_create_ip: "8.8.8.8",
notify_url: "https://example.com/wechatpay/notify",
trade_type: "JSAPI",
openid: "oUpF8uMuAJO_M2pxb1Q9zNjWeS6o"
})
.then(res => {
if (!pay.verifySign(res)) {
// 签名校验失败
throw new Error("签名校验失败");
}
if (res.result_code === "FAIL") {
console.log(res.err_code, res.err_code_des);
} else {
console.log(res.prepay_id);
}
})
.catch(err => {
if (err instanceof RequestError) {
// 请求错误
} else if (err instanceof CommunicationError) {
// return_code = FAIL
}
});
// 支付结果通知
router.post("/wechatpay/notify", (req, res) => {
const options = {
length: req.headers["content-length"],
limit: "1mb",
encoding: "utf8"
};
getXMLBody(req, options).then(data => {
pay
.payNotify(data, async parsedData => {
if (!pay.verifySign(parsedData)) {
// 签名校验失败
}
if (parsedData.result_code === "FAIL") {
// 业务逻辑失败
}
// ...
return {
return_code: "SUCCESS",
return_msg: "OK"
};
})
.then(returnData => {
res.set("Content-Type", "application/xml; charset=utf-8");
res.end(returnData);
});
});
});
如果你只使用了某一项支付,请使用业务类。但如果涉及多种支付,使用综合类更便捷。
Copyright (c) 2018 sigoden
Licensed under the MIT license.
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