来自:https://github.com/elemefe/element/issues/3367#issuecomment-376402380 侵删
el-upload里面绑定一个占位class:
:class="{hide:hideupload}"
data里面初始值:
hideupload: false,
limitcount:1
onchange里面(添加文件、上传成功和上传失败时都会被调用的那个):
this.hideupload = filelist.length >= this.limitcount;
handleremove里面(删除文件被调用的那个):
this.hideupload = filelist.length >= this.limitcount;
style,把scoped去掉(或者外部引入样式文件,主要目的是为了修改element-ui自带的样式)
<style> .hide .el-upload--picture-card { display: none; } </style>
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offset、client、scroll (width,height、left,top、X,Y)
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