setcharacterencodingfilter.java

实现从用户登陆页面到用户信息页面的跳转。完成数据库连接

package cn.com.yunda.web.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;

/**
 * Example filter that sets the character encoding to be used in parsing the
 * incoming request
 */
public class SetCharacterEncodingFilter implements Filter {

	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

	/**
	 * 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 {
		// TODO Auto-generated method stub
		request.setCharacterEncoding("UTF-8");
		// 传递控制到下一个过滤器
		chain.doFilter(request, response);
	}

	/**
	 * Take this filter out of service.
	 */
	public void destroy() {
		// TODO Auto-generated method stub

	}

}