Dropzone官方文档 ： https://www.dropzonejs.com/
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>文件上传</title>
<script src="/js/jquery-3.4.1.js" type="text/javascript"></script>
<script src="/dropzone/dropzone.js" type="text/javascript"></script>
<link href="/dropzone/dropzone.css" rel="stylesheet">
</head>
<body>
<div class="form-group">
<label class="col-sm-2 control-label">文件上传</label>
<input id="path" class="form-control" placeholder="文件上传路径" />
<div class="col-sm-10">
<div id="dropz" class="dropzone"></div>
</div>
</div>
<script>
$("#dropz").dropzone({
url: "/upload",
paramName: "dropFile",
maxFiles: 1, // 一次性上传的文件数量上限
maxFilesize: 1024, // 文件大小，单位：MB
acceptedFiles: ".jpg,.gif,.png,.jpeg,.mp4", // 上传的类型
addRemoveLinks: true,
parallelUploads: 1, // 一次上传的文件数量
dictDefaultMessage: '拖动文件至此或者点击上传',
dictMaxFilesExceeded: "您最多只能上传 1 个文件！",
dictResponseError: '文件上传失败!',
dictInvalidFileType: "文件类型只能是*.jpg,*.gif,*.png,*.jpeg",
dictFallbackMessage: "浏览器不受支持",
dictFileTooBig: "文件过大上传文件最大支持",
dictRemoveLinks: "删除",
dictCancelUpload: "取消",
init: function() {
this.on("success", function(file,data) {
$("#path").val(data.fileName);
console.log("File " + file.name + "uploaded");
});
this.on("removedfile", function(file) {
console.log("File " + file.name + "removed");
});
}
});
</script>
</body>
</html>分布式文件上传 spring boot + fastdfs + dropzone
原文：https://www.cnblogs.com/lick468/p/10849513.html