早上好,
我正在尝试创建一个自定义装饰器:user.decorator.ts
import { createParamDecorator, ExecutionContext } from '@nestjs/common';
export const User = createParamDecorator(
(data: string, ctx: ExecutionContext) => {
const request = ctx.switchToHttp().getRequest();
const user = request.user;
return data ? user && user[data] : user;
},
);
user.entity.ts
import { Entity, PrimaryGeneratedColumn, Column, BeforeInsert } from "typeorm";
import * as bcrypt from 'bcryptjs';
import * as jwt from 'jsonwebtoken';
import { UserRO } from "./user.dto";
@Entity("user")
export class UserEntity {
@PrimaryGeneratedColumn('uuid')
id: string;
@Column({
type: 'varchar',
length: 50,
unique: true,
})
username: string;
@Column('text')
password: string;
@Column('text')
role: string;
(...)
}
最后,user.controller.ts
(仅有用的部分):
(...)
@Post('login')
@UsePipes(new ValidationPipe())
login(@Body() data: UserDTO, @User('role') role: string) {
console.log(`hello ${role}`);
return this.userService.login(data);
(...)
}
我的问题:console.log(...) 返回我hello undefined
,当预期响应应该是hello admin
(因为admin是数据库中用户的角色)
编辑:我也尝试过console.log(user)
在我的装饰器中,它也是未定义的。
EDIT2:我的 HttpErrorFilter 还说:Cannot read property 'role' of undefined
我密切关注文档,但无法找出问题出在哪里(https://docs.nestjs.com/custom-decorators https://docs.nestjs.com/custom-decorators).
感谢您的时间。