是否有办法通过超文本或 Java版确定哪些档案格式类型/过滤器?
我希望用户能够在网上点击浏览灯塔时选择。 例如,我要让他选择只选择JPG、GIF和PNG文档,供上载。
我知道这一点在闪电中是可能的。
见input,接受(超文本部分):
accept
If the value of the type attribute is file, this attribute indicates the types of files that the server accepts; otherwise it is ignored. The value must be a comma-separated list of unique content type specifiers:A valid MIME type with no extensions audio/* representing sound files HTML5 video/* representing video files HTML5 image/* representing image files HTML5
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