- 基于 wechat-node-sp 修复部分bug
微信API for node.js，目前主要支持小程序及微信支付相关接口
微信小程序官方文档：https://developers.weixin.qq.com/miniprogram/dev/api/
微信支付官方文档：https://pay.weixin.qq.com/wiki/doc/api/wxa/wxa_api.php?chapter=7_7&index=5
npm install wechat-node-sp-fix
var Wechat = require("wechat-node-sp-fix");
var wechatApi = Wechat({
appId,
appSecret,
mch_id, //微信商户平台ID
pfx: fs.readFileSync("./apiclient_cert.p12"), //微信商户平台支付正式
payKey //微信商户平台API秘钥
})//微信登录
var result = await wechatApi.login(code);
if (result.status === 200 && !result.data.errcode) {
var data = {
openid: result.data.openid,
session_key: result.data.session_key,
unionid: result.data.unionid
}
console.log(data);
}
//获取用户信息
var userInfo = await wechatApi.getWechatUserInfo(sessionKey, encryptedData, iv);
console.log(userInfo);var result = await wechatApi.getAccessToken();
if (result.data && !result.data.errcode) {
var token = result.data.access_token;
console.log(token);
}var params = {
body: "支付测试",
notify_url: "https://PayNotify",
openid: "openid",
out_trade_no: "111111111111111111111111",
spbill_create_ip: "客户端ip",
total_fee: 1,
trade_type: "JSAPI",
};
var result = await wechatApi.getMiniProgramPayParams(params)
console.log(result);var params = {
out_refund_no: "", //退款商户订单号，商户生成
out_trade_no: "", //需退款订单的商户订单号(二选一)
transaction_id: "" //需退款订单的微信订单号(二选一)
refund_fee: 1,
total_fee: 1
}
var result = await wechatApi.refund(params);
console.log(result)// 通过商户订单号查
var result = await wechatApi.queryOrder(out_trade_no);
// 通过微信订单号查
var result = await wechatApi.queryOrder(transaction_id);var msg = {
"touser": "openId",
"template_id": "模板id",
"form_id": "formid", //表单提交场景下，为 submit 事件带上的 formId；支付场景下，为本次支付的 prepay_id
"page": "pages/test", //点击模板消息跳转页面，可不填
"data": {
"keyword1": {
"value": "推送测试",
"color": "#173177"
},
"keyword2": {
"value": "推送测试",
"color": "#173177"
}
...
}
}
var result = await wechatApi.sendMiniProgramTemplate(token, msg);
console.log(result)let msg = {
"touser": "OPENID",
"weapp_template_msg": { // 非必须，小程序模板消息相关的信息，可以参考小程序模板消息接口; 有此节点则优先发送小程序模板消息
"template_id": "TEMPLATE_ID",
"page": "page/page/index",
"form_id": "FORMID",
"data": {
"keyword1": {
"value": "339208499"
},
...
},
"emphasis_keyword": "keyword1.DATA" // 小程序模板放大关键词
},
"mp_template_msg": { // 必须，公众号模板消息相关的信息，可以参考公众号模板消息接口；有此节点并且没有weapp_template_msg节点时，发送公众号模板消息
"appid": "APPID ",
"template_id": "TEMPLATE_ID",
"url": "http://weixin.qq.com/download",
"miniprogram": {
"appid": "xiaochengxuappid12345",
"pagepath": "index?foo=bar"
},
"data": {
"first": {
"value": "恭喜你购买成功！",
"color": "#173177"
},
...
}
}
}
var result = await wechatApi.sendUniformTemplate(token, msg);
console.log(result)- 商户服务端处理微信的回调（koa为例）
// 支付成功异步回调
router.use('/wxpay/paynotify', async function paynotify(ctx, next) {
//获取微信推送数据
var result = await wechatApi.getWechatNoticeData(ctx.req);
//验证消息是否来自微信
var isWxMessage = await wechatApi.wechatDataAuth(result);
//通知微信处理结果
await wechatApi.responseSuccess(ctx, "success"); //成功
await wechatApi.responseFail(ctx, "fail"); //失败
});
// 退款异步回调
router.use('/wxpay/refundnotify', async function refundnotify(ctx, next) {
var result = await wechatApi.getRefundData(ctx.req);
//通知微信处理结果
await wechatApi.responseSuccess(ctx, "success"); //成功
await wechatApi.responseFail(ctx, "fail"); //失败
});- 商户服务端处理微信的回调（express为例）
// 支付成功异步回调
router.use('/wxpay/paynotify', function(req, res, next) {
//获取微信推送数据
var result = await wechatApi.getWechatNoticeData(req);
//验证消息是否来自微信
var isWxMessage = await wechatApi.wechatDataAuth(result);
//通知微信处理结果
await wechatApi.responseSuccess(res, "success"); //成功
await wechatApi.responseFail(res, "fail"); //失败
});
// 退款异步回调
router.use('/wxpay/refundnotify', function(req, res, next) {
var result = await wechatApi.getRefundData(req);
//通知微信处理结果
await wechatApi.responseSuccess(res, "success"); //成功
await wechatApi.responseFail(res, "fail"); //失败
});