@IsNotIn(values: any[]) Checks if value is not in a array of disallowed values. 检查值是否不在不允许的值数组中 类型验证装饰器 修饰器描述(英文)描述(中文) @IsBoolean() Checks if a value is a boolean. 是否为布尔值 @IsDate() Checks if the value is a date. 是否为日期 @IsString()...
import { MinLength, MaxLength } from 'class-validator'; export class Post { @MaxLength(20, { each: true, }) tags: string[]; }This will validate each item in post.tags array.Validating setsIf your field is a set and you want to perform validation of each item in the set you must ...
In order to validate the min/max size of the numbers in an array you should use theeachoption, like so: classGetData{@ArrayMaxSize(3)// max length of array is 3@Min(0,{each:true})// each number in array is 0 or higher@Max(2,{each:true})// each number in array is 2 or lo...
import { MinLength, MaxLength } from 'class-validator-multi-lang'; export class Post { @MaxLength(20, { each: true, }) tags: string[]; }This will validate each item in post.tags array.Validating setsIf your field is a set and you want to perform validation of each item in the set...
I was trying to... Use class validator with my project. The problem: App is starting but as soon as my class instance is created an error throws an app with exit code 1 and the following error: TypeError: Cannot read properties of undefi...
The RegularExpressionValidator control checks whether the value of an input control matches a pattern defined by a regular expression. This type of validation allows you to check for predictable sequences of characters, such as those in email addresses, telephone numbers, and postal codes....
Validation decorators of class-validator Common# Type# Number# Date# String-type# String# Array# Object# Other#
The RegularExpressionValidator control checks whether the value of an input control matches a pattern defined by a regular expression. This type of validation allows you to check for predictable sequences of characters, such as those in email addresses, telephone numbers, and postal codes....
The RegularExpressionValidator control checks whether the value of an input control matches a pattern defined by a regular expression. This type of validation allows you to check for predictable sequences of characters, such as those in email addresses, telephone numbers, and postal codes....
@IsNotIn(values: any[])Checks if value is not in a array of disallowed values.检查值是否不在不允许的值数组中 类型验证装饰器 修饰器描述（英⽂）描述（中⽂）@IsBoolean()Checks if a value is a boolean.是否为布尔值 @IsDate()Checks if the value is a date.是否为⽇期 @IsString()...