feat(proejct): project curd.

src/commons/filters/all.exception-filter.ts

@@ -0,0 +1,55 @@
+import {
+  ArgumentsHost,
+  Catch,
+  ExceptionFilter,
+  HttpException,
+  HttpStatus,
+} from '@nestjs/common';
+import { EntityNotFoundError } from 'typeorm/error/EntityNotFoundError';
+
+@Catch()
+export class AllExceptionsFilter implements ExceptionFilter {
+  catch(exception: any, host: ArgumentsHost) {
+    const ctx = host.switchToHttp();
+    const response = ctx.getResponse();
+    const request = ctx.getRequest();
+
+    const status =
+      exception instanceof HttpException
+        ? exception.getStatus()
+        : HttpStatus.INTERNAL_SERVER_ERROR;
+
+    if (exception instanceof HttpException) {
+      const ex = exception.getResponse();
+      if (ex instanceof Object) {
+        response.status(status).json({
+          ...ex,
+          timestamp: Date.now(),
+          path: request.url,
+        });
+      } else {
+        response.status(status).json({
+          message: ex,
+          timestamp: Date.now(),
+          path: request.url,
+        });
+      }
+    } else if (exception instanceof EntityNotFoundError) {
+      response.status(HttpStatus.NOT_FOUND).json({
+        message: '资源未找到!',
+        timestamp: Date.now(),
+        path: request.url,
+      });
+    } else {
+      console.error('服务器内部错误');
+      console.error(exception);
+      response.status(HttpStatus.INTERNAL_SERVER_ERROR).json({
+        code: status,
+        timestamp: new Date().toISOString(),
+        message: '服务器内部错误',
+        error: exception,
+        path: request.url,
+      });
+    }
+  }
+}