新增系统配置页（运营管理系统后台）

backend/src/controllers/captchaController.ts

@@ -0,0 +1,89 @@
+import { Request, Response } from 'express';
+import { CaptchaService } from '../services/captchaService';
+
+/**
+ * 验证码控制器
+ * 处理验证码的生成和验证
+ */
+export class CaptchaController {
+  private captchaService: CaptchaService;
+
+  constructor() {
+    this.captchaService = new CaptchaService();
+  }
+
+  /**
+   * 生成验证码
+   * @param req - Express请求对象
+   * @param res - Express响应对象
+   */
+  async generateCaptcha(req: Request, res: Response) {
+    try {
+      const { captchaId, svg } = this.captchaService.generateCaptcha();
+
+      return res.json({
+        success: true,
+        data: {
+          captchaId,
+          svg
+        }
+      });
+    } catch (error) {
+      console.error('生成验证码失败:', error);
+      return res.status(500).json({
+        success: false,
+        message: '生成验证码失败'
+      });
+    }
+  }
+
+  /**
+   * 验证验证码
+   * @param req - Express请求对象
+   * @param res - Express响应对象
+   */
+  async verifyCaptcha(req: Request, res: Response) {
+    try {
+      const { captchaId, code } = req.body;
+
+      const result = this.captchaService.verifyCaptcha(captchaId, code);
+
+      if (!result.success) {
+        return res.status(400).json(result);
+      }
+
+      return res.json({
+        success: true,
+        message: '验证码正确'
+      });
+    } catch (error) {
+      console.error('验证验证码失败:', error);
+      return res.status(500).json({
+        success: false,
+        message: '服务器内部错误'
+      });
+    }
+  }
+
+  /**
+   * 检查验证码是否启用
+   * @param req - Express请求对象
+   * @param res - Express响应对象
+   */
+  async checkCaptchaEnabled(req: Request, res: Response) {
+    try {
+      const enabled = await this.captchaService.checkCaptchaEnabled();
+
+      return res.json({
+        success: true,
+        data: { enabled }
+      });
+    } catch (error) {
+      console.error('检查验证码状态失败:', error);
+      return res.status(500).json({
+        success: false,
+        message: '服务器内部错误'
+      });
+    }
+  }
+}