微信SDK接通

2026-07-01 19:56:44 +08:00
parent a1cbfc7241
commit aea1513836
38 changed files with 1610 additions and 92 deletions
@@ -0,0 +1,83 @@
+import type { WechatJsapiPrepayParams } from '@dukang/shared-types';
+import { getRuntimePlatform } from './env';
+import { ensureJssdkReady } from './jssdk';
+
+function invokeBridgePay(params: WechatJsapiPrepayParams): Promise<void> {
+  return new Promise((resolve, reject) => {
+    const bridge = window.WeixinJSBridge;
+    if (!bridge) {
+      reject(new Error('WeixinJSBridge 不可用'));
+      return;
+    }
+    bridge.invoke(
+      'getBrandWCPayRequest',
+      {
+        appId: params.appId,
+        timeStamp: params.timeStamp,
+        nonceStr: params.nonceStr,
+        package: params.package,
+        signType: params.signType,
+        paySign: params.paySign,
+      },
+      (res) => {
+        const msg = res.err_msg ?? '';
+        if (msg.includes('ok')) resolve();
+        else if (msg.includes('cancel')) reject(new Error('用户取消支付'));
+        else reject(new Error(msg || '支付失败'));
+      },
+    );
+  });
+}
+
+/** 调起微信支付 */
+export async function invokeWechatPay(
+  prepay: WechatJsapiPrepayParams,
+  config?: { apiBase?: string; clientApp?: string },
+): Promise<void> {
+  const platform = getRuntimePlatform();
+
+  if (platform === 'mini' && window.wx?.requestPayment) {
+    return new Promise((resolve, reject) => {
+      window.wx!.requestPayment!({
+        timeStamp: prepay.timeStamp,
+        nonceStr: prepay.nonceStr,
+        package: prepay.package,
+        signType: prepay.signType,
+        paySign: prepay.paySign,
+        success: () => resolve(),
+        fail: (err) => reject(new Error(err.errMsg || '支付失败')),
+      });
+    });
+  }
+
+  if (platform === 'wechat-h5') {
+    if (config?.clientApp) {
+      await ensureJssdkReady({
+        apiBase: config.apiBase ?? '/api/v1',
+        clientApp: config.clientApp,
+      });
+    }
+    if (window.wx?.chooseWXPay) {
+      return new Promise((resolve, reject) => {
+        window.wx!.chooseWXPay!({
+          ...prepay,
+          success: () => resolve(),
+          fail: (err) => reject(new Error(err.errMsg || '支付失败')),
+          cancel: () => reject(new Error('用户取消支付')),
+        });
+      });
+    }
+    if (window.WeixinJSBridge) {
+      return invokeBridgePay(prepay);
+    }
+    if (typeof document !== 'undefined') {
+      await new Promise<void>((resolve) => {
+        if (window.WeixinJSBridge) resolve();
+        else document.addEventListener('WeixinJSBridgeReady', () => resolve(), { once: true });
+      });
+      return invokeBridgePay(prepay);
+    }
+  }
+
+  throw new Error('当前环境不支持微信支付');
+}