HTML 无法读取文本文件,但使用 JavaScript 可以实现:使用 fetch() 获取文件内容;用 response.text() 方法获取文本;在 then() 方法中处理读取后的响应。
如何使用 HTML 读取文本文件内容
HTML 本身无法直接读取文本文件的内容。然而,通过使用 JavaScript,可以很容易地实现这一功能。
方法:
要读取文本文件的内容,可以使用以下 JavaScript 函数:
fetch('textfile.txt') .then(response => response.text()) .then(data => { // 对读取到的文本文件内容进行处理 });
说明:
-
fetch()
函数用于从服务器获取资源(文本文件)。 -
response.text()
方法返回文本文件的文本内容。 -
then()
方法用于处理成功读取文本文件后的响应。
示例:
下面是一个读取文本文件内容并将其显示在网页上的 HTML 代码示例:
<html> <head> <script> fetch('textfile.txt') .then(response => response.text()) .then(data => { document.getElementById('content').innerHTML = data; }); </script> </head> <body> <div id="content"></div> </body> </html>
在这个示例中:
-
textfile.txt
是要读取的文本文件。 -
content
是一个 HTML 元素,它将包含读取到的文本文件内容。
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