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html to jsp garbled code

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Release： 2023-05-15 17:21:07

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With the development of the Internet, Web development has become an area that cannot be ignored. Among them, HTML and JSP are the two most important technologies in Web development. However, due to the influence of many factors, garbled characters often occur during the conversion of HTML to JSP, which brings a lot of trouble to Web development. This article will introduce the reasons why garbled characters may occur during the conversion process of HTML to JSP, and how to solve these problems.

First of all, we need to understand how HTML and JSP are encoded. The encoding method used by HTML is the highly readable ASCII code, while JSP uses Java's Unicode encoding method. This is why garbled characters appear when doing HTML to JSP conversion, because the two encodings are incompatible.

So how to solve this problem? One solution is to include an encoding declaration in the HTML code, that is, add a meta tag to the tag to declare the encoding method of the page. For example:

<html>
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
</head>
<body>
    <h1>Hello, JSP!</h1>
</body>
</html>

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In this example, we explicitly declare that the encoding of the page is UTF-8. In this way, when JSP introduces HTML code, it can correctly interpret the HTML code based on this statement to avoid garbled characters.

Another solution is to add a page directive to the JSP page to specify the encoding method used by the page. For example:

<%@ page contentType="text/html; charset=UTF-8" language="java" %>
<html>
<body>
    <h1>Hello, JSP!</h1>
</body>
</html>

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In this example, we use the JSP page directive to declare that the encoding method of the page is UTF-8. In this way, when introducing HTML code into a JSP page, the HTML code can be correctly interpreted based on this statement to avoid garbled characters.

In addition to the above two solutions, there are some other methods to solve the problem of garbled characters in HTML to JSP, such as using the character encoding conversion API in Java to manually convert the encoding method in HTML into JSP The required encoding. However, this method is cumbersome and requires manual processing of each HTML file, so it is not a good solution.

To summarize, the problem of garbled characters from HTML to JSP is mainly caused by the different encoding methods used by these two technologies. To solve this problem, we can add an encoding statement in the HTML code, or add a page directive in the JSP page to inform the JSP of the encoding method used. In this way, the HTML code can be correctly interpreted during the conversion process to avoid garbled characters.

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