encodingfilter.java

基于SSH的实现用户注册与登入功能。非常适合SSH初学者的入门。其中的设计模式可以应用到任何项目中。

package com.yuanchung.test.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 EncodingFilter implements Filter {
	private String charSet="gb2312";

	public void destroy() {
	}


	public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws IOException, ServletException {
		req.setCharacterEncoding(this.charSet);
		resp.setCharacterEncoding(this.charSet);
		chain.doFilter(req, resp);
	}


	public void init(FilterConfig config) throws ServletException {
		this.charSet=config.getInitParameter("charSet");
		
	}
}