关于处理中文乱码问题 Filter 代码

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;

import javax.servlet.UnavailableException;

/**

* Example filter that sets the character encoding to be used in parsing the

* incoming request

*/

public class SetCharacterEncodingFilter implements Filter {

/**

* Take this filter out of service.

*/

public void destroy() {

}

/**

* Select and set (if specified) the character encoding to be used to

* interpret request parameters for this request.

*/

public void doFilter(ServletRequest request, ServletResponse response,

FilterChain chain)throws IOException, ServletException {

request.setCharacterEncoding("UTF-8");

// 传递控制到下一个过滤器

chain.doFilter(request, response);

}

public void init(FilterConfig filterConfig) throws ServletException {

}

}