jsp前台传值到后台乱码问题

jsp前台传值到后台乱码问题

解决方法：

后台中设置一个filter，过滤转换一下编码，就可以了！

具体操作如下：

 

 

1、filter类：

public class LoggerFilter implements Filter {
 private String encoding="GBK";
 private FilterConfig fiterConfig=null;

 public void destroy() {
 }

 public void doFilter(ServletRequest request, ServletResponse response,
      FilterChain filterChain) throws IOException, ServletException {
  
    
     this.encoding =fiterConfig.getInitParameter("encoding");
     if(this.encoding==null){
      encoding="GBK";
     }
     request.setCharacterEncoding(this.encoding);
     response.setCharacterEncoding(this.encoding);
     filterChain.doFilter(request, response);
  }

 public void init(FilterConfig filterConfig) throws ServletException {

 

 }

 

2、web.xml文件：

<filter>
  <filter-name>loggerfilter</filter-name>
  <filter-class>cn.com.sinosoft.filter.LoggerFilter</filter-class>
 </filter>
 <filter-mapping>
  <filter-name>loggerfilter</filter-name>
  <url-pattern>*.do</url-pattern>
 </filter-mapping>