点击图片自动挂载到body上,功能不多,简易方便实用.
function prevImg(url) {
let bodyDom = document.getElementsByTagName('body')[0];
let divDom = document.createElement('div')
divDom.style.position = "fixed"
divDom.style.display = "flex"
divDom.style.justifyContent = "center"
divDom.style.alignItems = "center"
divDom.style.top = "0"
divDom.style.left = "0"
divDom.style.width = "100%"
divDom.style.height = "100%"
divDom.style.zIndex = "1099"
divDom.style.backgroundColor = "rgba(100,100,100, 0.6)"
let imgDom =document.createElement('img')
imgDom.src = url
divDom.appendChild(imgDom)
bodyDom.appendChild(divDom)
divDom.addEventListener('click',function(){
bodyDom.removeChild(divDom)
})
}