JSP页面中的UTF-8编码 [英] UTF-8 encoding in JSP page

问题描述

我有一个JSP页面，其页面编码为ISO-8859-1.这个JSP页面在问答博客中.我想在Q/A发布期间添加特殊字符.

I have a JSP page whose page encoding is ISO-8859-1. This JSP page there is in a question answer blog. I want to include special characters during Q/A posting.

问题在于，即使我将其从ISO-8859-1更改为UTF-8，JSP也不支持UTF-8编码.这些字符(~，%，&，+)出现问题.当我单独或与任何字符组合发布这些字符时，它将存储在数据库中null，并且在发布应用程序时删除这些字符时，它可以正常工作.

The problem is JSP is not supporting UTF-8 encoding even I have changed it from ISO-8859-1 to UTF-8. These characters (~,%,&,+) are making problem. When I am posting these character either individually or with the combination of any character it is storinh null in the database and when I remove these characters while posting application it is working fine.

任何人都可以提出一些解决方案吗?

Can any one suggest some solution?

推荐答案

您应在应用程序的所有层上使用相同的编码，以避免此问题.添加过滤器以设置编码很有用:

You should use the same encoding on all layers of your application to avoid this problem. It is useful to add a filter to set the encoding:

public void doFilter(ServletRequest request,
                     ServletResponse response,
                     FilterChain chain) throws ServletException {
   request.setCharacterEncoding("UTF-8");
   chain.doFilter(request, response);
}

要仅在JSP页面上设置编码，请向其添加以下行:

To only set the encoding on your JSP pages, add this line to them:

<%@ page contentType="text/html; charset=UTF-8" %>

将您的数据库配置为也使用相同的char编码.

Configure your database to use the same char encoding as well.

如果您需要转换字符串的编码，请参见:

If you need to convert the encoding of a string see:

• 在Java中编码转换

我不建议在您的数据库中存储HTML编码的文本.例如，如果您需要生成PDF(或HTML以外的任何其他文件)，则需要先转换HTML编码.

I would not recommend to store HTML encoded text in your database. For example, if you need to generate a PDF (or anything other than HTML) you need to convert the HTML encoding first.

这篇关于JSP页面中的UTF-8编码的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！