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【Java】 url地址美化 java web

作者:13123123 / 发布于2013/11/21/ 559

package com.erp.filter;

import java.io.IOException;
import java.util.HashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
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;

import com.erp.Resource.Resouce;



public class ReUrl implements Filter {

 public void destroy() {
 }
 /**
  * 根据地址美化URL地址
  */
 public void doFilter(ServletRequest req, ServletResponse res,
   FilterChain chain) throws IOException, ServletException {
  HttpServletRequest request = (HttpServletRequest) req;
  HttpServletResponse response = ((HttpServletResponse) res);
  String url = "";
  url = request.getRequestURI().replaceAll(request.getContextPath(), "");
  HashMap<UrlFilter, UrlFilter> map = Resouce.urlMap;
  UrlFilter filter = new UrlFilter(url);
  if (map.containsKey(filter)) {
   UrlFilter filter1 = map.get(filter);
   if (filter1.getRequest() == null) {

   } else {
    if (filter1.getRequest().equals("true")) { //替换url地址参数 根据正则表达式实现
     Pattern p = Pattern.compile(filter1.getGz());
     Matcher matcher = p.matcher(url);
     int count = matcher.groupCount();
     int index = 1;
     while (matcher.find(0)) {
      filter1.setUrl(filter1.getUrl().replace("$" + index,
        matcher.group(index)));
      index++;
      if (index > count) {
       break;
      }
     }
    }
   }
   if (filter1.getType() != null) {
    if (filter1.getType().equals("2")) {
     Resouce.clearParms(request);
    }
   }
   request.getRequestDispatcher("../" + filter1.getUrl()).forward(
     request, response);

  } else {
   chain.doFilter(request, response);
  }
 }

 public void init(FilterConfig arg0) throws ServletException {

  System.out.println(1);
 }

}

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.url地址美化 java web