img src屬性有中文時無法顯示圖片

如果讓img的src屬性可以有中文，比如讓<img src="images/活動3.jpg" alt="" title="" class="thumb" border="0" />可以正常顯示呢？

網上方法很多，比如修改tomcat目錄下的server.xml，在server.xml中類似如下配置：

    < Connector port="8080" 

       ……

       URIEncoding="UTF-8" / >

這種方法經證實，並不有效。

經證實，最有效的是增加過濾器。

步奏如下：

1 在web.xml中增加過濾器：

<filter>
    <filter-name>urlFilter</filter-name>
    <filter-class>com.dj.filter.UrlFilter</filter-class>
    <init-param>
      <param-name>DEFAULT_URI_ENCODE</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>urlFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

2 在src中增加過濾器代碼

package com.dj.filter;

import java.io.IOException;
import java.net.URLDecoder;

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;

public class UrlFilter implements Filter {

    public final static String DEFAULT_URI_ENCODE = "UTF-8";
    
    private FilterConfig config = null;
    private String encode = null;
    
    public void init(FilterConfig config) throws ServletException {
        this.config = config;
        this.encode = config.getInitParameter("DEFAULT_URI_ENCODE");
        if(this.encode == null) {
            this.encode = DEFAULT_URI_ENCODE;
        }
    }

    public void doFilter(ServletRequest req, ServletResponse res,
            FilterChain chain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) req;
        String uri = request.getRequestURI();
        String ch = URLDecoder.decode(uri, encode);
        if(uri.equals(ch)) {
            chain.doFilter(req, res);
            return;
        }
        ch = ch.substring(request.getContextPath().length());
        config.getServletContext().getRequestDispatcher(ch).forward(req, res);
    }    

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

可能還有別的更好的方法，還望交流！~~