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What steps are needed to create file drag and drop function in JS?

php中世界最好的语言Original: 2018-05-02 17:22:171089browse

This time I will bring you the steps required to create a file drag-and-drop function with JS, and what are the precautions for creating a file drag-and-drop function with JS. The following is a practical case, let’s take a look.

1. Rendering:

2. Source code

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
  <style type="text/css">
    #p1 {
      width: 350px;
      height: 70px;
      padding: 10px;
      border: 1px solid #aaaaaa;
      text-align: center;
    }
  </style>
  <script type="text/javascript">
    function allowDrop(ev) {
      ev.preventDefault();
    }
    function drop(ev) {
      ev.preventDefault();
      console.log(ev.dataTransfer.files);
    }
  </script>
</head>
<body>
<p id="p1" ondrop="drop(event)" ondragover="allowDrop(event)">将文件拖放到此处</p>
</body>
</html>

I believe you have mastered the method after reading the case in this article, and there will be more exciting things Please pay attention to other related articles on php Chinese website!

What steps are needed to create file drag and drop function in JS?

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