EncodingFilter.java
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package com.wolf.pub;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
/**
=================
*/
public class EncodingFilter
implements Filter {
private FilterConfig config = null;
// default to ASCII
private String targetEncoding = "ASCII";
public void init(FilterConfig config) throws ServletException {
this.config = config;
this.targetEncoding = config.getInitParameter("encoding");
}
public void destroy() {
config = null;
targetEncoding = null;
}
public void doFilter(ServletRequest srequest, ServletResponse sresponse,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest request = (HttpServletRequest) srequest;
request.setCharacterEncoding(targetEncoding);
chain.doFilter(srequest, sresponse);
}
}
/****
*web.xml文件中的配置
<filter>
<filter-name>EncodingFilter</filter-name>
<display-name>EncodingFilter</display-name>
<description>no description</description>
<filter-class>com.shunshi.pub.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>
****/
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