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113 > > > >DataTransfer> > * { margin: 0; padding: 0; } ul { list-style: none; } li { width: 150px; height: 150px; margin-right: 10px; margin-bottom: 50px; float: left; } li img { width: 100%; height: 100%; border-radius: 5px; border: 1px solid #ddd; } .drop-Box { clear: both; width: 200px; height: 200px; line-height: 200px; border: 2px dashed #aaa; margin-bottom: 100px; text-align: center; } .image { margin-bottom: 10px; } .title { text-align: center; } > > > > Box">请拖拽上传> ><> > > > var Box = document.querySelector('.drop-Box'); var flag = false; var iNow = 0; Box.ondragover = function(e) { e.preventDefault(); this.innerHTML = '请松开鼠标'; } Box.ondragleave = function() { this.innerHTML = '请拖拽上传'; } Box.ondrop = function(e) { var files = e.dataTransfer.files; var imgList = document.querySelector('.img-list'); var pList = []; var item; e.preventDefault(); this.innerHTML = '请拖拽上传'; var arr = []; function getResult(fileReader,name) { return new Promise(function(resolve) { fileReader.onload = function() { var url = this.result; var str = ` > $url> >${name}> >`; resolve(str); } }); } for (let i = 0; i new FileReader; filesi; getResultfileReader,filesi.; arr.thenfunctionarr arr.reducefunctionprev,next ,; ; > >
