我正在開發一個前端專案,現在我在注冊表單中,我為用戶匯出了以下類:
export class User {
private _id: string
private _name: string
private _last_name: string
private _email: string
private _age: number
private _password: string
constructor(id: string, name: string, lastName: string, email: string, age: number, password: string) {
this._id = id
this._name = name
this._last_name = lastName
this._email = email
this._age = age
this._password = password
}
static emptyUser() {
return new User('', '', '', '', 0, '')
}
public get id() : string {
return this._id
}
public set id(id:string) {
this._id = id
}
public get name() : string {
return this._name
}
public set name(name:string) {
this._name = name
}
public get lastName() : string {
return this._last_name
}
public set lastName(lastName:string) {
this._last_name = lastName
}
public get email() : string {
return this._email
}
public set email(email:string) {
this._email = email
}
public get age() : number {
return this._age
}
public set age(age:number) {
this._age = age
}
public get password() : string {
return this._password
}
public set password(password:string) {
this._password = password
}
}
然后,每當我在我的組件中呼叫 setter 函式時,vscode 都會簽名一個錯誤,因為“String”型別沒有簽名。但是,如果我將 setter 引數型別更改為“任何”,錯誤就會消失。組件代碼如下:
import { useState } from "react"
import { User } from "../../../core/User"
import AuthenticationButton from "../AuthenticationButton"
import AuthenticationInput from "../AuthenticationInput"
function SignUpForm() {
const [clientSignUp, setClientSignUp] = useState<User>(User.emptyUser())
function setClientName(name:string) {
setClientSignUp(clientSignUp.name(name))
}
return (
<div className="flex flex-col gap-3
text-xl">
<h1 className="text-3xl">Sign Up</h1>
<hr className="bg-gray-900 border border-gray-900" />
<label htmlFor="SignUpName">Name:</label>
<AuthenticationInput
inputId="SignUpName"
inputType="text"
/>
<label htmlFor="SignUpLastName">Last name:</label>
<AuthenticationInput
inputId="SignUpLastName"
inputType="text"
/>
<label htmlFor="SignUpEmail">E-mail:</label>
<AuthenticationInput
inputId="SignUpEmail"
inputType="email"
/>
<label htmlFor="SignUpPassword">Password:</label>
<AuthenticationInput
inputId="SignUpPassword"
inputType="password"
/>
<div className="flex justify-center">
<AuthenticationButton>Sign up</AuthenticationButton>
</div>
</div>
)
}
export default SignUpForm
uj5u.com熱心網友回復:
你使用setter錯誤的方式。更新你setClientName的
function setClientName(name: string) {
clientSignUp.name = name;
setClientSignUp(clientSignUp);
}
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標籤:javascript 反应 打字稿 细绳 类型
上一篇:錯誤:函式作為React子級無效。如果您從渲染回傳Component而不是<Component/>,則可能會發生這種情況
