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JSP reads the desktop TMT file path

2026-01-19 11:05
2026-01-19 15:22

Directly reading a user's desktop file (such as a.txt file) in the JSP is not recommended and is usually impossible for the following reasons: ###Security and privacy 1. ** Browser security restrictions **: In order to protect the privacy and security of users, modern browser (such as ChromeWeb, FireFox, Edge, etc.) do not allow webpages to directly access the user's file system, especially sensitive areas such as the desktop. 2. ** Sandbox model **: JPs run on the server and cannot directly access the file system of the client. ###Realization Method If you need to read the file selected by the user on the web page, you can use the ` ` element of the HMTL5 to let the user select the file, and then read the file content through the javelin and pass it to the server through Ascension for processing. ####Code sample ** Front-end browser **: ```html An example of file upload ``` ** Backend JSP**(upload.jsp): ```jsp <%@ page contentType="text/html;charset=UTF-8" language="java" %> <% String fileContent = request.getReader().lines().collect(Collectors.joining(System.lineSeparator())); //Handle file content out. Printlon ("file content: " + fileContent); %> ``` ###Summing Up It was impossible to read the.txt file on the user's desktop directly through the JSP because it would violate the browser's security policy and the user's privacy. The recommended method was to let the user select a file through the file selection dialog box, then read the file content through the front-end javelin and pass it to the server for processing. Read more exciting novels for free

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