JSP中解决乱码的方法。用PetStore中的EncodingFilter

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package com.lims.actions.standardline;

/**
 * Create Jstar
 * @author PetStore
 *
 */
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.FilterChain;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import javax.servlet.Filter;

/**
 * <p>Title: EAF(Enterprise Application Framework)</p>
 * <p>Description: 用于设定Request的编码方式</p>
 * <pre>请在web.xml中定义本Filter,配置如下:
 *    <filter>
 *       <filter-name>EncodingFilter</filter-name>
 *       <display-name>EncodingFilter</display-name>
 *       <description>Set the request encoding</description>
 *       <filter-class>com.netstar.zhuhai.eaf.web.EncodingFilter</filter-class>
 *       <init-param>
 *            <param-name>encoding</param-name>
 *            <param-value>UTF-8</param-value>
 *       </init-param>
 *    </filter>
 *
 *    <filter-mapping>
 *        <filter-name>EncodingFilter</filter-name>
 *        <url-pattern>/*</url-pattern>
 *    </filter-mapping>
 * </pre>
 * @version 1.0
 */

public class EncodingFilter implements Filter {
  private FilterConfig config = null;
  private String targetEncoding = "ASCII";

  public EncodingFilter() {
  }
  public void init(FilterConfig filterconfig) throws javax.servlet.ServletException {
 this.config = filterconfig;
 this.targetEncoding = config.getInitParameter("encoding");
  }
  public void doFilter(ServletRequest srequest, ServletResponse sresponse, FilterChain filterchain) throws java.io.IOException, javax.servlet.ServletException {
 HttpServletRequest request = (HttpServletRequest)srequest;

 //set the encoding
 request.setCharacterEncoding(this.targetEncoding);

 //move to next
 filterchain.doFilter(srequest,sresponse);
  }
  public void destroy() {
 this.config = null;
 this.targetEncoding = null;
  }

}