// 页面初始化时获取用户信息
Page({
data: {
payInfo: null
},
// 调用后端接口获取支付参数
async getPaymentParams() {
try {
const res = await wx.request({
url: 'https://your-api.com/create_order',
method: 'POST',
data: {
productId: '12345',
amount: 9.9,
openid: '用户openid'
}
});
if (res.data.code === 200) {
this.setData({
payInfo: res.data.data
});
this.initiatePayment();
}
} catch (error) {
console.error('获取支付参数失败', error);
}
},
// 发起支付请求
initiatePayment() {
const { timeStamp, nonceStr, package: payPackage, signType, paySign } = this.data.payInfo;
wx.requestPayment({
timeStamp,
nonceStr,
package: payPackage,
signType,
paySign,
success(res) {
console.log('支付成功', res);
// 处理支付成功后的业务逻辑（如更新订单状态）
wx.showToast({
title: '支付成功',
icon: 'success'
});
},
fail(err) {
console.error('支付失败', err);
wx.showModal({
title: '支付失败',
content: '请重试或联系客服',
showCancel: false
});
}
});
}
});