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react-responsive-scale

v1.1.1

Published

A React component for responsive scaling of data dashboards

Readme

React Responsive Scale

一个用于数据大屏页面的 React 组件,能够确保大屏内容在任意比例的屏幕上保持指定的比例,并动态调整 htmlfont-size,用于 rem 布局。

安装

pnpm add react-responsive-scale

使用方法

基本用法

import React from 'react'
import ReactDOM from 'react-dom/client'
import { ReactResponsiveScale } from 'react-responsive-scale'

const root = ReactDOM.createRoot(document.getElementById('root') as HTMLElement)
root.render(
  <React.StrictMode>
    <ReactResponsiveScale
      rootValue={16} // 设计稿尺寸下的根组件 font-size
      rootWidth={1920} // 设计稿宽度
      rootHeight={1080} // 设计稿高度
    >
      <div
        style={{
          width: '100%',
          height: '100%',
          color: '#fff',
          fontSize: '2rem',
          textAlign: 'center',
          lineHeight: '1080px',
        }}
      >
        不管浏览器尺寸如何,内容区域都按指定宽高比显示
      </div>
    </ReactResponsiveScale>
  </React.StrictMode>
)

参数说明

| 参数名称 | 类型 | 描述 | | ----------------- | -------- | ------------------------------------------------------------------- | | rootValue | number | 设计稿尺寸下的根组件 font-size,用于 rem 布局。 | | rootWidth | number | 设计稿宽度。 | | rootHeight | number | 设计稿高度。 | | precision | number | 计算精度,默认值为 5。 | | wait | number | 浏览器窗口尺寸变更后重新计算的 debounce 时间,默认值为 300 毫秒。 | | backgroundImage | string | 全屏背景图的。 | | backgroundColor | string | 全屏背景底色。 |

获取尺寸参数和计算方法

在大屏业务组件中,可以通过 ResponsiveScalecontext 获取必要尺寸参数和尺寸计算方法。

import React, { useContext } from 'react'
import { ScaleContext } from 'react-responsive-scale'

const MyComponent: React.FC = () => {
  const { calcPx, calcRem } = useContext(ScaleContext)

  return (
    <div>
      <p>设计稿尺寸 100px 转换为当前屏幕下的实际尺寸: {calcPx(100)}px</p>
      <p>设计稿尺寸 100px 转换为 rem 尺寸: {calcRem(100)}rem</p>
    </div>
  )
}

export default MyComponent