54 lines
1.6 KiB
TypeScript
54 lines
1.6 KiB
TypeScript
/**
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* 支付环境检测：PC / H5 / 微信浏览器
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* 用于 ZPAY 等聚合支付，需区分环境以选择正确的支付通道
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* 参考：https://juejin.cn/post/7122720360683798542
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*/
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export type PayEnv = "pc" | "h5" | "wechat";
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export type PayChannel = "alipay" | "wxpay";
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/** 是否在微信内置浏览器 */
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export function isWeChat(): boolean {
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if (typeof navigator === "undefined") return false;
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return /MicroMessenger/i.test(navigator.userAgent);
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}
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/** 是否在支付宝内置浏览器 */
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export function isAlipay(): boolean {
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if (typeof navigator === "undefined") return false;
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return /AlipayClient|Alipay/i.test(navigator.userAgent);
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}
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/** 是否移动设备（含平板） */
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export function isMobile(): boolean {
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if (typeof navigator === "undefined") return false;
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return /AppleWebKit.*Mobile|Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(
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navigator.userAgent
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);
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}
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/** 当前支付环境 */
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export function getPayEnv(): PayEnv {
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if (isWeChat()) return "wechat";
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if (isMobile()) return "h5";
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return "pc";
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}
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/**
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* 根据环境推荐/强制支付通道
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* - 微信浏览器：只能用 wxpay（支付宝在微信内无法唤起）
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* - 支付宝浏览器：优先 alipay
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* - PC/H5：用户可选
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*/
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export function getRecommendedChannel(env: PayEnv): PayChannel {
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if (env === "wechat") return "wxpay";
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if (env === "pc" || env === "h5") return "alipay"; // 默认支付宝
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return "alipay";
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}
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/** 微信内是否只能选微信支付 */
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export function mustUseWxPay(env: PayEnv): boolean {
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return env === "wechat";
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}
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