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;
}

}

原文转自：http://www.ltesting.net