58 lines
1.7 KiB
TypeScript
58 lines
1.7 KiB
TypeScript
/**
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* 支付客户端 - 封装支付 API 调用
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* 用于前端发起支付、跳转支付页
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*/
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import { getPaymentConfig, getJoinPaymentConfig } from "@/config/services.config";
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import type { PayChannel, PayEnv } from "./types";
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/** 发起支付并跳转（表单 POST 到 /api/pay） */
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export function redirectToPay(params: {
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user_id: string;
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return_url: string;
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total_fee?: number;
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type?: string;
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channel: PayChannel;
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device: "pc" | "h5" | "wechat";
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/** 是否使用「加入」场景配置（主题覆盖） */
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useJoinConfig?: boolean;
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}): void {
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const baseConfig = getPaymentConfig();
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const joinConfig = params.useJoinConfig ? getJoinPaymentConfig() : null;
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const total_fee = params.total_fee ?? joinConfig?.amount ?? baseConfig.defaultAmount;
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const type = params.type ?? joinConfig?.type ?? baseConfig.defaultType;
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const payForm = document.createElement("form");
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payForm.method = "POST";
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payForm.action = "/api/pay";
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payForm.target = "_self";
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payForm.style.display = "none";
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const fields: [string, string][] = [
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["user_id", params.user_id],
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["return_url", params.return_url],
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["total_fee", String(total_fee)],
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["type", type],
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["channel", params.channel],
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["device", params.device],
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["html", "1"],
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];
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fields.forEach(([k, v]) => {
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const input = document.createElement("input");
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input.type = "hidden";
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input.name = k;
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input.value = v;
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payForm.appendChild(input);
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});
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document.body.appendChild(payForm);
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payForm.submit();
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}
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/** 根据 PayEnv 确定 device：微信内用 wechat 走收银台表单，payurl2 仅支持微信外 */
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export function getDeviceFromEnv(env: PayEnv): "pc" | "h5" | "wechat" {
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if (env === "wechat") return "wechat";
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return env === "pc" ? "pc" : "h5";
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}
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