主要是基于类属性装饰器来生成校验规则,典型例子有class-validator、typeorm,用法如下: import 'reflect-metadata' import { plainToClass, Type } from "class-transformer"; import { validate, IsString, IsInt, IsEmail, IsObject, IsArray, ValidateNested, } from "class-validator"; class UserInfo { @Is...
Security Insights Additional navigation options Files 201e621 doc sample src metadata ClassTransformOptions.ts ClassTransformer.ts TransformOperationExecutor.ts decorators.ts index.ts storage.ts test .gitignore .travis.yml README.md codecov.yml
类的验证库class-validator npm install class-validator --save 这个库是对类进行验证的,使用方式, 看文档 把普通对象转类 class-transformer npm install class-transformer --save 这个库是用于把一维的对象转成类,使用方式 看文档 上面的这两个库都需要依赖于 reflect-metadata (元数据的基础库)...
在 HarmonyOS NEXT 中 ArkTS 开发的应用出现 “数据转换错误” 如何处理？#HarmonyOS最强问答官# ...
ohpm i class-transformer 3.2. 封装 //JSONUtils.ts import { plainToClass, ClassConstructor, instanceToPlain } from "class-transformer"; export default class JSONUtils { /** * JSON字符串转Class对象 * @param cls 类名 * @param jsonStr json 字符串 ...
import { plainToClass, ClassConstructor, instanceToPlain } from "class-transformer"; export default class JSONUtils { /** * JSON字符串转Class对象 * @param cls 类名 * @param jsonStr json 字符串 * @returnsclass对象*/ static json2Bean<T>(cls: ClassConstructor<T>, jsonStr: string): T ...
import { Type } from "class-transformer"; import "reflect-metadata" export class B { ...
MyClass[CONSTRUCTOR_NAME_SYMBOL]==='MyClass' Usage ttypescriptcan be used to integrate this transformer. After ttypescript is installed, you can reference the transformer in yourtsconfig.jsonfile: {"compilerOptions": {"plugins": [ {"transform":"ts-transformer-classname","import":"classNameTra...
Decorator-based transformation, serialization, and deserialization between objects and classes. - class-transformer/sample/sample5-custom-transformer/User.ts at develop · typestack/class-transformer
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