HTML5 拖拽拖动时放置更改图标/光标

2022-01-11 00:00:00 drag-and-drop javascript html

我想知道如何在拖动 (dragover/dragenter) 图标/光标时进行更改,例如当我拖动输入以拒绝或允许部分时.当然,我可以用光标移动绝对定位的 DOM 的一部分,但我对原生 HTML5 解决方案感兴趣.

I'm wondering how to change during dragging (dragover/dragenter) icon/cursor when I dragenter for example to deny or allow section. Of course, I can move with cursor a part of DOM positioned absolutely, but I'm interested in native HTML5 solution.

谢谢!

推荐答案

你追求的是 dropEffect:

在dragstart中初始化:

Initialize it in dragstart:

event.dataTransfer.effectAllowed = "copyMove";

在 Dragenter 中更新:

Update it in dragenter:

event.dataTransfer.dropEffect = "copy";

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