泛型用法
typescript
Partial 泛型属性可选
ts
1class Person {
2 name: string;
3 age: number;
4}
5type PartialPerson = Partial<Person>; // 所有属性变为可选Required 泛型属性必选
ts
1class Person {
2 name: string;
3 age: number;
4}
5type RequiredPerson = Required<Person>; // 所有属性变为必选Readonly 泛型属性只读
ts
1class Person {
2 name: string;
3 age: number;
4}
5type ReadonlyPerson = Readonly<Person>; // 所有属性变为只读Pick 泛型部分属性可选
ts
1class Person {
2 name: string;
3 age: number;
4}
5type PickPerson = Pick<Person, 'name'>; // 选择部分属性Omit 删除部分泛型属性
ts
1class Person {
2 name: string;
3 age: number;
4}
5type OmitPerson = Omit<Person, 'name'>; // 删除部分属性