encondingfilter.java

来自「BUG跟踪系统是用来对开发软件时发现的bug进行跟踪。里面包括用户管理模块」· Java 代码 · 共 39 行

package su.bts1.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;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class EncondingFilter implements Filter {

	private String targetEncoding = "utf-8";

	protected FilterConfig config;

	public void destroy() {
		this.config = null;
	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain filterChain) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest) request;
		HttpServletResponse res = (HttpServletResponse) response;
		req.setCharacterEncoding(this.targetEncoding);
		res.setCharacterEncoding(this.targetEncoding);
		filterChain.doFilter(request, response);
	}

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

}