YourNikee的博客

import React from 'react';import { Tooltip } from 'antd';import { FullscreenOutlined, FullscreenExitOutlined} from '@ant-design/icons';class FullScreen extends React.Component{ state={ isFullScreen: true }; //调用事件 fullScreen = () => {

利用canvas绘制登录前的验证码Vue<canvas @click="createCode" width="80" height='40' id='myCanvas'/>mounted () {//该方法需要节点加载完成之后进行，所以需放再mounted阶段执行 this.createCode() }, methods:{ //绘制验证码主要方法 createCode(){ let dot = document.getElementById("my

函数组件在v16.8 版本之前，react组件的标准写法是class(类)，而在版本之后，react引入了一种全新的api，叫做 React Hooks，它颠覆了以前的用法。import ReactDOM from 'react-dom';import React,{Component} from 'react'class ComponentA extends Component{ constructor(props){ super(props) this.state={