提交的参数： { "appid": "888888888", "noncestr": "9Vf3HGPciOKfCmPt", "package": "Sign=WXPay", "partnerid": "88888888", "prepayid": "wx1513202359782774e45a7adf1326450600", "timestamp": "1594790423", "sign": "47506CD944B7E15A52FED1D0A3CCC8B2" }， console.log(obj); uni.requestPayment({ provider: 'wxpay', orderInfo: obj, success: function(res) { console.log('success:' + JSON.stringify(res)); }, fail: function(err) { console.log('fail:' + JSON.stringify(err)); uni.hideLoading() } }); 直接进入fail，打印的日志：fail:{"errMsg":"requestPayment:fail errors"}，一直无法唤起微信