viewiptag.java

来自「JavaWeb高级特性书中源代码」· Java 代码 · 共 20 行

package org.it315;
import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;
public class ViewIPTag extends TagSupport 
{
		public int doStartTag() throws JspException
		{
			String IP = pageContext.getRequest().getRemoteAddr();
			try 
			{
				pageContext.getOut().write(IP);
			} 
			catch (IOException e) 
			{
				e.printStackTrace();
			}		
			return super.doStartTag();
		}
}