搞了好久了，这个签名到底怎么玩？
https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_1_4.shtml
微信支付v3 jsapi调起支付时，支付验证签名失败？When WeChat Pay v3 jsapi initiates payment, the payment verification signature fails?
微信支付v3 jsapi调起支付时，支付验证签名失败？For a long time, how to play with this signature? https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_ 1_ 4.shtml
回答：
我也遇到了相同的问题 请问解决了吗?
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const {Rsa, Formatter} = require('wechatpay-axios-plugin')const privateKey = require('fs').readFileSync('/your/merchant/priviate_key.pem')const params = { appId: 'wx8888888888888888', timeStamp: `${Formatter.timestamp()}`, nonceStr: Formatter.nonce(), package: 'prepay_id=wx201410272009395522657a690389285100', signType: 'RSA',}params.paySign = Rsa.sign(Formatter.joinedByLineFeed( params.appId, params.timeStamp, params.nonceStr, params.package), privateKey)console.info(params)