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[update] 修改pdf预览禁用右键

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lideqin
2024-06-28 17:35:49 +08:00
parent 74a8af2a3c
commit 943d7df0b3
1 changed files with 40 additions and 26 deletions
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public/pdfjs/web/viewer.html
+40 -26
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@@ -36,38 +36,52 @@ See https://github.com/adobe-type-tools/cmap-resources
<script src="viewer.js"></script>
<script>
if (!window.frameElement) {
// 禁用F12
document.addEventListener('keydown', function(event) {
if (event.key === 'F12' || event.keyCode === 123) {
event.preventDefault()
}
})
// 禁止右键
document.oncontextmenu = function (event) {
event.returnValue = false
console.log('document.oncontextmenu')
}
// 页面不是通过iframe嵌入的
const h = window.innerHeight
const w = window.innerWidth
window.onresize = function () {
if (h !== window.innerHeight || w !== window.innerWidth) {
window.open(window.location.href, '_blank')
window.close()
}
}
// 检测是手动刷新页面
function isPageRefresh() {
const navigationEntries = window.performance.getEntriesByType('navigation')
if (navigationEntries.length > 0) {
const lastEntry = navigationEntries[navigationEntries.length - 1]
// 如果最后一个性能条目的类型是 "reload"，则表明页面可能是通过手动刷新加载的
return lastEntry.type === 'reload'
}
return false
}
window.addEventListener('load', function() {
if (isPageRefresh()) {
console.log('页面可能是手动刷新的')
// 在这里处理页面刷新的逻辑
window.open(window.location.href, '_blank')
window.close()
}
})
// const h = window.innerHeight
// const w = window.innerWidth
// window.onresize = function () {
// const height = window.innerHeight
// const width = window.innerWidth
// const outerHeight = window.outerHeight
// const outerWidth = window.outerWidth
// console.log('innerWidth' + width , 'innerHeight', height)
// console.log('outerWidth' + outerWidth , 'outerHeight', outerWidth)
// // window.alert('innerWidth' + width + ',innerHeight' + height + ',outerWidth' + outerWidth + ',outerHeight' + outerWidth)
// if ((h !== height && height < outerHeight - 100) || (w !== width && width < outerWidth - 20)) {
// // window.alert('长宽变化要重新打开了')
// window.open(window.location.href, '_blank')
// window.close()
// }
// }
// // 检测是手动刷新页面
// function isPageRefresh() {
// const navigationEntries = window.performance.getEntriesByType('navigation')
// if (navigationEntries.length > 0) {
// const lastEntry = navigationEntries[navigationEntries.length - 1]
// // 如果最后一个性能条目的类型是 "reload"，则表明页面可能是通过手动刷新加载的
// return lastEntry.type === 'reload'
// }
// return false
// }
// window.addEventListener('load', function() {
// if (isPageRefresh()) {
// console.log('页面可能是手动刷新的')
// // 在这里处理页面刷新的逻辑
// window.open(window.location.href, '_blank')
// window.close()
// }
// })
}
</script>