小程序微信在线支付

 //钱包充值 - 钱包充值(在线支付)
  rechargePurse() {
    const that = this;
    var postData = {
      recharge_no: that.data.recharge_no
    }
    let header = getApp().header;
    let datainfo = requestSign.requestSign(postData);
    header.sign = datainfo;
    wx.request({
      url: api.get_rechargePurse,
      data: postData,
      header: header,
      method: ‘POST‘,
      dataType: ‘json‘,
      responseType: ‘text‘,
      success: (
        res
      ) => {
        console.log(res, ‘钱包充值 - 钱包充值(在线支付)‘)
        if (res.data.code >= 0) {
          wx.requestPayment({
            timeStamp: res.data.data.timeStamp,
            nonceStr: res.data.data.nonceStr,
            package: res.data.data.package,
            signType: res.data.data.signType,
            paySign: res.data.data.paySign,
            success(res) {
              console.log(res, ‘res‘);
              if (res.errMsg == "requestPayment:ok") { // 调用支付成功
                wx.showToast({
                  title: ‘调用支付成功‘,
                  icon: ‘none‘,
                })
                wx.navigateBack({
                  delta: 1, // 回退前 delta(默认为1) 页面
                })

              } else if (res.errMsg == ‘requestPayment:cancel‘) { // 用户取消支付的操作
                wx.showToast({
                  title: ‘请支付‘,
                  icon: ‘none‘,
                  duration: 2000,
                })
              }

            },
            fail(res) {
              wx.showToast({
                title: ‘支付失败,请稍后再试‘,
                icon: ‘none‘,
                duration: 2000,
              })
            }
          })
        } else {
          wx.showToast({
            title: res.data.message,
            icon: ‘none‘
          })
          that.setData({
            disabled: ‘‘
          })
        }
      },
      fail: (res) => {},
    })
  }