encodingfilter.java~3~

全文搜索源码,基于开源项目Lucene编写,开发语言为JAVA,本程序做为LUCENE的示例DEMO

package com.ht.gis.service;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;

public class EncodingFilter extends HttpServlet implements Filter {
  private FilterConfig filterConfig;

  //Handle the passed-in FilterConfig
  public void init(FilterConfig filterConfig) throws ServletException {
    this.filterConfig = filterConfig;
  }

  //Process the request/response pair
  public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) {
    try {
      //=========== 转换请求编码为UTF8 ==============
      request.setCharacterEncoding("UTF-8");
      filterChain.doFilter(request, response);
      response.setContentType("text/html; charset=UTF-8");
    }
    catch (ServletException sx) {
      filterConfig.getServletContext().log(sx.getMessage());
    }
    catch (IOException iox) {
      filterConfig.getServletContext().log(iox.getMessage());
    }
  }

  //Clean up resources
  public void destroy() {
  }
}