uniapp php 微信app支付

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//微信支付 wxPay(){     uni.getProvider({         service: 'payment',         success: res=>{             if (~res.provider.indexOf('wxpay')) { //先判断用户是否有微信支付环境（是否安装了微信app）                 uni.showLoading({title: '正在调起微信支付'})                 let params={                     money:this.moneyCount,                     bs:4                 }                 uni.request({ //再从后端接口获取相关数据配置到orderInfo里，这个接口由后端配置好了，返回结果见下图2-微信                     url: ``,                     method: 'POST',                     header: {                         "Token":this.userToken,                         "Content-Type":"application/x-www-form-urlencoded"                     },                     data: params,                     success: res => {                         if(res.data.code==200){                             let resobj=JSON.parse(res.data.data)                             let payInfo={                                 appid: resobj.appid,                                 noncestr: resobj.nonce_str,                                 package:"Sign=WXPay",                                 partnerid: resobj.mch_id,                                 prepayid: resobj.prepay_id,                                 timestamp: resobj.time_stamp,                                 sign: resobj.sign,                             }                             uni.requestPayment({                                 provider: 'wxpay',                                 orderInfo: payInfo, //微信订单数据（Object类型）                                 success: res=>{                                     uni.hideLoading();                                     uni.showToast({title: '支付成功',icon:'none'})                                 },                                 fail:err=>{                                     uni.hideLoading();                                     uni.showToast({title: '支付失败，请稍后再试',icon:'none'})                                 }                             });                         }                     },                     fail: () => {                         uni.hideLoading();                         uni.showToast({title: '服务器开小差了呢，请您稍后再试',icon:'none'})                     }                 });             }else{                 uni.showToast({title: '获取微信通道失败，请检查您的微信是否正常启用',icon:'none'})             }         }     }); },