DisableScrollScript

禁止滚动

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         DisableScrollScript
// @namespace    http://tampermonkey.net/
// @version      2024.11.18.4
// @description  禁止滚动
// @author       荷塘月色
// @include      *://*
// @grant        none
// @license MIT
// ==/UserScript==

(function() {
  const wrapper = document.createElement('div')
  document.body.appendChild(wrapper)
  wrapper.classList.add('custom-wrapper')
  const dragEl = document.createElement('div')
  dragEl.classList.add('custom-drag-element')
  const defaultStyleClass = document.createElement('style')
  const hiddenStyleClass = document.createElement('style')
  const button = document.createElement('button')
  wrapper.appendChild(button)
  wrapper.appendChild(dragEl)
  document.head.appendChild(defaultStyleClass)
  button.innerText = '锁定'
  button.classList.add('custom-button')

  const offset = { x: 0, y: 0 }
  let isDragging = false

  dragEl.addEventListener('touchstart', e => {
    isDragging = true
    const touch = e.touches[0] // 获取第一个触摸点
    offset.x = touch.clientX - wrapper.getBoundingClientRect().left
    offset.y = touch.clientY - wrapper.getBoundingClientRect().top
    e.preventDefault()
  })

  dragEl.addEventListener('mousedown', (ev) => {
    isDragging = true
    offset.x = ev.clientX - wrapper.getBoundingClientRect().left
    offset.y = ev.clientY - wrapper.getBoundingClientRect().top
  })

  document.addEventListener('mousemove', function(e) {
    if (isDragging) {
      wrapper.style.left = (e.clientX - offset.x) + 'px'
      wrapper.style.top = (e.clientY - offset.y) + 'px'
    }
  })

  document.addEventListener('mouseup', function() {
    isDragging = false
  })

  document.addEventListener('touchmove', function(e) {
    if (isDragging) {
      const touch = e.touches[0] // 获取第一个触摸点
      wrapper.style.left = (touch.clientX - offset.x) + 'px'
      wrapper.style.top = (touch.clientY - offset.y) + 'px'
    }
  })

  document.addEventListener('touchend', function() {
    isDragging = false
  })

  button.addEventListener('click', () => {
    if (document.head.contains(hiddenStyleClass)) {
      document.head.removeChild(hiddenStyleClass)
      button.innerText = '锁定'
    } else {
      document.head.appendChild(hiddenStyleClass)
      button.innerText = '解锁'
    }
  })

  function Camel2Kebab(string) {
    return string.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase()
  }

  /* 通用 JSON 转 CSS 方法 */
  function Json2Css(complexStyleObject) {
    let cssString = ''

    for (const selector in complexStyleObject) {
      if (selector.startsWith('@')) { /* 处理媒体查询和其他@规则 */
        cssString += `${selector} { `
        for (const innerSelector in complexStyleObject[selector]) {
          cssString += `${innerSelector} { `
          const styles = complexStyleObject[selector][innerSelector]
          for (const prop in styles) {
            cssString += `${Camel2Kebab(prop)}: ${styles[prop]}; `
          }
          cssString += '} '
        }
        cssString += '} '
      } else {
        cssString += `${selector} { `
        const styles = complexStyleObject[selector]
        for (const prop in styles) {
          cssString += `${Camel2Kebab(prop)}: ${styles[prop]}; `
        }
        cssString += '} '
      }
    }

    return cssString
  }

  const hiddenStylesJSON = {
    '*': {
      // 'overflow': 'hidden !important',
      // 'touch-action': 'none'
    }
  }
  hiddenStyleClass.innerHTML = `${Json2Css(hiddenStylesJSON)}`

  const defaultStylesJSON = {
    '.custom-wrapper': {
      'zIndex': '10000',
      'position': 'fixed',
      'top': '10px',
      'left': '10px',
      'padding': '4px',
      'display': 'flex',
      'flexDirection': 'column',
      'gap': '4px',
      'background': 'rgb(255,255,255)',
      'border-radius': '2px',
      'border': '1px solid #666',
      'box-sizing': 'border-box',
    },
    '.custom-button': {
      'padding': '0.25em 1em',
      // 'border-radius': '4px 4px 0 0',
      'border-radius': '2px',
      'border': '1px solid #666',
      'cursor': 'pointer',
      'color': '#333',
      'font-size': '0.875em',
      'box-sizing': 'border-box',
    },
    '.custom-drag-element': {
      'width': '100%',
      'height': '6px',
      'background': 'rgba(0,0,0,0.25)',
      'border': '1px solid #666',
      // 'border-radius': '0 0 4px 4px',
      'border-radius': '2px',
      'cursor': 'pointer',
      'box-sizing': 'border-box',
    }
  }
  defaultStyleClass.innerHTML = `${Json2Css(defaultStylesJSON)}`

  function preventScroll(e) {
    if (document.head.contains(hiddenStyleClass))
      e.preventDefault()
  }

  window.addEventListener('wheel', preventScroll, { passive: false }) // 鼠标滚轮
  window.addEventListener('touchmove', preventScroll, { passive: false }) // 移动设备触摸滑动

  // 确保按钮能在页面里
  setInterval(() => {
    if (!document.body.contains(wrapper)) {
      document.body.appendChild(wrapper)
    }
  }, 100)
})()