外在压力增加时，就应增强内在的动力。点击查看：鼓励孩子继续努力的话。因为你努力了，即使失败，也是美好的！相信自己，研究就是错了再试的过程！
package dw05prj.util.filter; import javax.servlet.Filter;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.FilterChain;
import java.io.IOException; /*页面字符集过滤流*/ /*
在web.xml中配制的例子
<filter>
<filter-name>CharEncodingFilter</filter-name>
<filter-class>dw05prj.util.filter.CharEncodingFilter</filter-class>
<init-param>
<param-name>charset</param-name>
<param-value>GBK</param-value>
</init-param> </filter>
<filter-mapping>
<filter-name>CharEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
*/ public class CharEncodingFilter implements Filter { private String charSet ; public void init(FilterConfig parm1) throws ServletException {
charSet = parm1.getInitParameter("charset") ;
if (charSet == null && charSet.length() < 1)
{
charSet = "UTF-8" ;
}
System.out.println ("CharEncodingFilter--字符集: " + this.getCharSet()) ;
}
public void doFilter(ServletRequest parm1, ServletResponse parm2,
FilterChain parm3) throws IOException, ServletException { // 设定字符集
parm1.setCharacterEncoding(this.getCharSet());
parm3.doFilter(parm1, parm2);
//页面中每个向服务器的请求都被过滤 -- 如 图片,js,HTML/JSP等等
//System.out.println ("---CharEncodingFilter: " + this.getCharSet()) ;
} public void destroy() {
// TODO: Add your code here
this.setCharSet(null) ;
}
public void setCharSet(String charSet) {
this.charSet = charSet;
} public String getCharSet() {
return (this.charSet);
}
}
到此这篇关于一个简单的JAVA字符集过滤器如何实现就介绍到这了。人不是生来被打败的——海明威更多相关一个简单的JAVA字符集过滤器如何实现内容请查看相关栏目，小编编辑不易，再次感谢大家的支持！