`
esffor
  • 浏览: 1348477 次
  • 性别: Icon_minigender_1
  • 来自: 北京
社区版块
存档分类
最新评论

使用Filter对Request进行统一编码

阅读更多
 
package test.encoding;

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;

public class SetCharacterEncoding implements Filter ...{
    
protected String encoding=null;
    
protected FilterConfig filterconfig=null;
    
protected boolean ignore=true;
     
public void destroy() ...{
        
// TODO Auto-generated method stub

    }


    
public void doFilter(ServletRequest request, ServletResponse response,
            FilterChain arg2) 
throws IOException, ServletException ...{
        
if(ignore||(request.getCharacterEncoding()==null))...{
            String encoding
=this.selectEncoding(request);
            
if(encoding!=null)...{
                request.setCharacterEncoding(encoding);
            }

        }

        arg2.doFilter(request, response);

    }


    
public void init(FilterConfig filterconfig) throws ServletException ...{
        
this.filterconfig=filterconfig;
        String encoding
=filterconfig.getInitParameter("encoding");
        String value
=filterconfig.getInitParameter("ignore");
        
if(value==null)
        
...{
            ignore
=true;
        }

        
else if(value.equalsIgnoreCase("true"))...{
            ignore
=true;
        }

        
else if(value.equalsIgnoreCase("yes"))...{
            ignore
=true;
        }

        
else...{
            ignore
=false;
        }


    }

    
public String selectEncoding(ServletRequest request)...{
        
return (this.encoding);
    }


}


<filter>
  
<filter-name>setCharacterEncoding</filter-name>
  
<filter-class>test.encoding.SetCharacterEncoding</filter-class>
  
<init-param>
    
<param-name>encoding</param-name>
    
<param-value>gb2312</param-value>
  
</init-param>

</filter>
<filter-mapping>
  
<filter-name>setCharacterEncoding</filter-name>
  
<url-pattern>/*</url-pattern>
</filter-mapping>


分享到:
评论

相关推荐

Global site tag (gtag.js) - Google Analytics