CharacterEncodingFilter.java以及修改web.xml所用代码

最新推荐文章于 2022-04-24 21:47:27 发布

原创最新推荐文章于 2022-04-24 21:47:27 发布 · 2k 阅读

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文章标签：

#filter #class

本文介绍如何在Servlet环境中使用CharacterEncodingFilter实现字符编码设置，确保跨平台下的正确显示。

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package com.alavey.example;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class CharacterEncodingFilter implements Filter {

public void destroy() {

}

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

public void init(FilterConfig arg0) throws ServletException {
}

}

<filter>
<filter-name>characterEncoding</filter-name>
<filter-class>com.alavey.example.CharacterEncodingFilter</filter-class>
</filter>

<filter-mapping>
<filter-name>characterEncoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>