package com.zzxtit.jsp33pr.filter;
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{
private static String encoding = "utf-8";
@Override
public void destroy() {
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain)
throws IOException, ServletException {
request.setCharacterEncoding(encoding);
filterChain.doFilter(request, response);
}
@Override
public void init(FilterConfig config) throws ServletException {
if(config.getInitParameter("encoding") != null) {
encoding = config.getInitParameter("encoding");
}
}
}
CharacterEncodingjFilter.java
本文介绍了一个用于设置请求字符编码的过滤器实现。该过滤器能够根据配置参数指定字符集(默认为UTF-8),并应用于Servlet请求中,确保了统一的字符编码处理。
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