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1¸öServlet£ºSetCharacterEncodingFilter.java
package com.util;
import java.io.IOException;
import javax.servlet.*;
public class SetCharacterEncodingFilter implements Filter{
protected String encoding = null;
protected FilterConfig filterConfig = null;
protected boolean ignore = true;
public void destroy()
{
this.encoding = null;
this.filterConfig = null;
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException
{
if (ignore || (request.getCharacterEncoding() == null))
{
String encoding = selectEncoding(request);
if (encoding != null)
request.setCharacterEncoding(encoding);
}
chain.doFilter(request, response);
}
public void init(FilterConfig filterConfig) throws ServletException
{
this.filterConfig = filterConfig;
// »ñÈ¡³õʼ»¯²ÎÊý
this.encoding = filterConfig.getInitParameter("encoding");
String value = filterConfig.getInitParameter("ignore");
if (value == null)
{
this.ignore = true;
} else if (value.equalsIgnoreCase("true"))
{
this.ignore = true;
} else if (value.equalsIgnoreCase("yes"))
{
this.ignore = true;
} else
this.ignore = false;
}
protected String selectEncoding(ServletRequest request)
{
return (this.encoding);
}
}
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package com.util;
import java.io.IOException;
import jav
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importjava.io.IOException;
importjava.util.Enumeration;
importjavax.servlet.Filter;
importjavax.servlet.FilterChain;
importjavax.servlet.FilterConfig;
importjavax.servlet.ServletException;
importjavax.servlet.ServletRequest;
importjavax.servlet.ServletResponse;
......
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6,application 7,pageContext 8,config
9,exception
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