el-upload里面绑定一个占位class:
:class="{hide:hideUpload}"
data里面初始化:
hideUpload: false,limitCount:1
onChange 事件里面(添加文件、上传成功和上传失败时都会被调用的那个):
onChange(file, fileList) {this.hideUpload = fileList.length >= this.limitCount;},
handleRemove 事件里面(删除文件被调用的那个):
handleRemove(file, fileList) {this.hideUpload = fileList.length >= this.limitCount;},
style 样式里面,把scoped去掉(或者外部引入样式文件,目的都是为了修改element-ui自带的样式)
<style>.hide .el-upload--picture-card {display: none;}</style>
/ElemeFE/element/issues/3367#issuecomment-376402380