feat: 初始化 WWJ Cloud 企业级框架项目

- 后端：基于 NestJS 的分层架构设计
- 前端：基于 VbenAdmin + Element Plus 的管理系统
- 支持 SaaS + 独立版双架构模式
- 完整的用户权限管理系统
- 系统设置、文件上传、通知等核心功能
- 多租户支持和插件化扩展架构

wwjcloud/src/common/settings/payment/payment-settings.controller.ts

@@ -0,0 +1,32 @@
+import { Body, Controller, Get, Put, UseGuards } from '@nestjs/common';
+import { ApiBearerAuth, ApiOperation, ApiTags } from '@nestjs/swagger';
+import { PaymentSettingsService } from './payment-settings.service';
+import { UpdatePaymentSettingsDto, type PaymentSettingsVo } from './payment-settings.dto';
+import { JwtAuthGuard } from '../../auth/guards/jwt-auth.guard';
+import { Roles } from '../../auth/roles.decorator';
+import { RolesGuard } from '../../auth/guards/roles.guard';
+
+@ApiTags('Settings/Payment')
+@ApiBearerAuth()
+@UseGuards(JwtAuthGuard, RolesGuard)
+@Roles('super', 'admin')
+@Controller('settings/payment')
+export class PaymentSettingsController {
+  constructor(private readonly service: PaymentSettingsService) {}
+
+  @Get()
+  @ApiOperation({ summary: '获取支付设置' })
+  async get(): Promise<{ code: number; data: PaymentSettingsVo }> {
+    const data = await this.service.getSettings();
+    return { code: 0, data };
+  }
+
+  @Put()
+  @ApiOperation({ summary: '更新支付设置' })
+  async update(
+    @Body() dto: UpdatePaymentSettingsDto,
+  ): Promise<{ code: number; data: PaymentSettingsVo }> {
+    const data = await this.service.updateSettings(dto);
+    return { code: 0, data };
+  }
+}

wwjcloud/src/common/settings/payment/payment-settings.dto.ts

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+import { IsBoolean, IsObject, IsOptional } from 'class-validator';
+
+export class UpdatePaymentSettingsDto {
+  @IsBoolean()
+  enabled!: boolean;
+
+  @IsOptional()
+  @IsObject()
+  alipay?: Record<string, string>;
+
+  @IsOptional()
+  @IsObject()
+  wechatpay?: Record<string, string>;
+}
+
+export interface PaymentSettingsVo {
+  enabled: boolean;
+  alipay?: Record<string, string>;
+  wechatpay?: Record<string, string>;
+}

wwjcloud/src/common/settings/payment/payment-settings.service.ts

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+import * as fs from 'fs';
+import * as path from 'path';
+import { Injectable } from '@nestjs/common';
+import type { PaymentSettingsVo } from './payment-settings.dto';
+
+const SETTINGS_DIR = path.resolve(process.cwd(), 'config', 'runtime');
+const SETTINGS_FILE = path.resolve(SETTINGS_DIR, 'payment.settings.json');
+
+const DEFAULT_SETTINGS: PaymentSettingsVo = {
+  enabled: false,
+  alipay: {},
+  wechatpay: {},
+};
+
+@Injectable()
+export class PaymentSettingsService {
+  async getSettings(): Promise<PaymentSettingsVo> {
+    try {
+      const buf = await fs.promises.readFile(SETTINGS_FILE, 'utf8');
+      const json = JSON.parse(buf);
+      return { ...DEFAULT_SETTINGS, ...json };
+    } catch {
+      return { ...DEFAULT_SETTINGS };
+    }
+  }
+
+  async updateSettings(patch: Partial<PaymentSettingsVo>): Promise<PaymentSettingsVo> {
+    const current = await this.getSettings();
+    const next: PaymentSettingsVo = { ...current, ...patch };
+    await fs.promises.mkdir(SETTINGS_DIR, { recursive: true });
+    await fs.promises.writeFile(SETTINGS_FILE, JSON.stringify(next, null, 2), 'utf8');
+    return next;
+  }
+
+  static getSettingsPath() {
+    return SETTINGS_FILE;
+  }
+}

wwjcloud/src/common/settings/payment/payment.module.ts

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+import { Module } from '@nestjs/common';
+import { PaymentService } from './payment.service';
+import { PaymentSettingsService } from './payment-settings.service';
+import { PaymentSettingsController } from './payment-settings.controller';
+
+@Module({
+  providers: [PaymentService, PaymentSettingsService],
+  controllers: [PaymentSettingsController],
+  exports: [PaymentService, PaymentSettingsService],
+})
+export class PaymentModule {}

wwjcloud/src/common/settings/payment/payment.service.ts

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+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class PaymentService {
+  async createPayment(orderId: string, amount: number) {
+    return { orderId, amount, status: 'mock' };
+  }
+}