hellotag.java

21天精通Java,这是一本英文书

package demo;

import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;

public class HelloTag extends TagSupport {
   public int doStartTag() throws JspException {
      try {
         pageContext.getOut().print("Hello World");
      } catch (Exception ex) {
         throw new JspTagException("HelloTag: "+ex);
      }
      return SKIP_BODY;
   }

   public int doEndTag() {
      return EVAL_PAGE;
   }
}