feat：转账插件

2026-07-23 14:31:06 +08:00
parent 4916546322
commit d5a6a16ea5
560 changed files with 71777 additions and 44216 deletions
@@ -0,0 +1,161 @@
+import { common, Want } from '@kit.AbilityKit';
+import * as wxopensdk from '@tencent/wechat_open_sdk';
+
+export class WechatMerchantTransferNativeResult {
+  result: string = '';
+  errMsg: string = '';
+  extMsg: string = '';
+
+  constructor(result: string, errMsg: string, extMsg: string) {
+    this.result = result;
+    this.errMsg = errMsg;
+    this.extMsg = extMsg;
+  }
+}
+
+const MERCHANT_TRANSFER_BUSINESS_TYPE: string = 'requestMerchantTransfer';
+const REQUEST_TIMEOUT_MS: number = 120000;
+
+let currentAppId: string = '';
+let currentWxApi: wxopensdk.WXApi | null = null;
+let pendingResolve: ((result: WechatMerchantTransferNativeResult) => void) | null = null;
+let timeoutId: number = -1;
+
+class MerchantTransferRespPayload {
+  result: string | null = null;
+}
+
+function buildResult(result: string, errMsg: string, extMsg: string): WechatMerchantTransferNativeResult {
+  return new WechatMerchantTransferNativeResult(result, errMsg, extMsg);
+}
+
+function getWxApi(appId: string): wxopensdk.WXApi {
+  let wxApi = currentWxApi;
+  if (wxApi == null || currentAppId != appId) {
+    currentAppId = appId;
+    wxApi = wxopensdk.WXAPIFactory.createWXAPI(appId);
+    currentWxApi = wxApi;
+  }
+  return wxApi;
+}
+
+function clearPendingTimeout(): void {
+  if (timeoutId != -1) {
+    clearTimeout(timeoutId);
+    timeoutId = -1;
+  }
+}
+
+function finishPending(result: WechatMerchantTransferNativeResult): void {
+  const resolve = pendingResolve;
+  pendingResolve = null;
+  clearPendingTimeout();
+  if (resolve != null) {
+    resolve(result);
+  }
+}
+
+function parseMerchantTransferResp(extMsg: string): WechatMerchantTransferNativeResult {
+  if (extMsg.length == 0) {
+    return buildResult('parse_response_error', 'parse response failed', extMsg);
+  }
+
+  try {
+    const payload = JSON.parse(extMsg) as MerchantTransferRespPayload;
+    const result: string = payload.result ?? '';
+
+    if (result == 'success') {
+      return buildResult('success', '', extMsg);
+    }
+    if (result == 'fail') {
+      return buildResult('fail', 'business failed', extMsg);
+    }
+    if (result == 'cancel') {
+      return buildResult('cancel', 'business canceled', extMsg);
+    }
+    return buildResult('business_failed', 'unknown business result', extMsg);
+  } catch (_error) {
+    return buildResult('parse_response_error', 'parse response failed', extMsg);
+  }
+}
+
+class WechatMerchantTransferEventHandler implements wxopensdk.WXApiEventHandler {
+  onResp(resp: wxopensdk.BaseResp): void {
+    if (resp instanceof wxopensdk.OpenBusinessViewResp) {
+      if ("requestMerchantTransfer" === resp.businessType) {
+        if (resp.errCode == wxopensdk.ErrCode.ERR_UNSUPPORTED) {
+          finishPending(buildResult('wechat_version_low', resp.errStr ?? 'wechat version is too low', ''));
+          return;
+        }
+
+        const businessType: string = resp.businessType ?? '';
+        if (businessType != MERCHANT_TRANSFER_BUSINESS_TYPE) {
+          return;
+        }
+
+        const extMsg: string = resp.extMsg ?? '';
+        if (resp.errCode == wxopensdk.ErrCode.ERR_USER_CANCEL && extMsg.length == 0) {
+          finishPending(buildResult('cancel', resp.errStr ?? 'business canceled', ''));
+          return;
+        }
+        finishPending(parseMerchantTransferResp(extMsg));
+      }
+    }
+  }
+
+  onReq(_req: wxopensdk.BaseReq): void {
+  }
+}
+
+const wxEventHandler = new WechatMerchantTransferEventHandler();
+
+export async function requestWechatMerchantTransfer(appId: string, query: string): Promise<WechatMerchantTransferNativeResult> {
+  if (appId == '') {
+    return buildResult('invalid_app_id', 'appId is empty', '');
+  }
+  if (query == '') {
+    return buildResult('invalid_query', 'query is empty', '');
+  }
+
+  const wxApi: wxopensdk.WXApi = getWxApi(appId);
+
+  if (!wxApi.isWXAppInstalled()) {
+    return buildResult('wechat_not_installed', 'wechat is not installed', '');
+  }
+
+  const req = new wxopensdk.OpenBusinessViewReq();
+  req.businessType = MERCHANT_TRANSFER_BUSINESS_TYPE;
+  req.query = query;
+
+  const context = getContext() as common.UIAbilityContext;
+  const responsePromise = new Promise<WechatMerchantTransferNativeResult>((resolve) => {
+    if (pendingResolve != null) {
+      finishPending(buildResult('request_interrupted', 'another merchant transfer request started', ''));
+    }
+
+    pendingResolve = resolve;
+    timeoutId = setTimeout(() => {
+      finishPending(buildResult('timeout', 'wait wechat response timeout', ''));
+    }, REQUEST_TIMEOUT_MS);
+  });
+
+  try {
+    const sendResult: boolean = await wxApi.sendReq(context, req);
+    if (!sendResult) {
+      finishPending(buildResult('open_sdk_error', 'sendReq returned false', ''));
+    }
+  } catch (_error) {
+    finishPending(buildResult('open_sdk_error', 'sendReq failed', ''));
+  }
+
+  return responsePromise;
+}
+
+export function handleWechatMerchantTransferWant(want: Want): void {
+  const wxApi = currentWxApi;
+  if (wxApi == null || currentAppId.length == 0) {
+    return;
+  }
+
+  wxApi.handleWant(want, wxEventHandler);
+}