前面两篇文章分别介绍了class-validator和class-transformer的使用,接着聊一下如何在nestjs中使用这两个包。 Nest.js自带数据验证,自带了三个开箱即用的管道:ValidationPipe、ParseIntPipe和ParseUUIDPipe, 其中ValidationPipe 配合class-validator就可以完美的实现我们想要的效果(
import {IsString, IsInt, IsNotEmpty } from 'class-validator'; import {ApiModelProperty} from '@nestjs/swagger'; export class Address { @ApiModelProperty({description: 'Address Line 1', required : true}) @IsString() @IsNotEmpty() required : true address1: string; @ApiModelProperty({...
这样,在调用该方法时,NestJS会自动将环境变量传递给exampleMethod方法,并使用class-validator进行验证。如果环境变量不符合验证规则,NestJS会抛出一个异常。 以上是在NestJS中使用class-validator验证环境变量的方法。更多关于class-validator的详细用法和各种验证装饰器的选项,请参考class-validator文档。 请注意,由于...
让我们在NestJS项目中使用这个控制器: @Post('resetpassword') @HttpCode(200) async requestPasswordReset( @Body() body: RequestPasswordResetDTO, ): Promise<boolean> { try { return await this.authService.requestPasswordReset(body); } catch (e) { if (e instanceof EntityNotFoundError) { // ...
NotContains 与上相反 IsUppercase 是否都是大写 IsLowercase 小写 IsMobilePhone 是否是手机号 你需要这样使用@IsMobilePhone('zh-cn'),看懂了吗,需要传一个locate。 @Length(min: number, max?: number) 检验字符串长度的。注意一下跟int的不同 MaxLength &&& MinLength ...
typescript 使用class-validator包为Nest.js上的图像上传创建自定义验证器注意：文件类型为RegExp。参见：...
NestJS module db class validator. Latest version: 2.0.0, last published: 2 years ago. Start using nestjs-class-validator-db in your project by running `npm i nestjs-class-validator-db`. There are no other projects in the npm registry using nestjs-class-v
NestJS version 9.2.1 Packages versions Node.js version v18.12.1 In which operating systems have you tested? macOS Windows Linux Other No response There are two scenarios when this can happen: the metadata is not registered correctly @NoNameProvidedIt would be helpful if you could provide a few...
Bumps class-validator from 0.9.1 to 0.14.0. Changelog Sourced from class-validator's changelog. 0.14.0 (2022-12-09) Added add @IsTimeZone decorator to check if given string is valid IANA time zo...
import { IsNotEmpty, IsString } from 'class-validator'; export class SignupUserDto { @IsString() @IsNotEmpty() username: string; password?: string; } 上面的password是非必填,按照上面的写法,如果填了password,controller中拿不到password的值。 只有加上一个注解才可以。加上注解如果不传,又会提示...