hellotag.java

来自「Spring +Web 的完整 MyEclipse 项目源码,使用者可以作为入门」· Java 代码 · 共 41 行

package ch1.taglib;

import javax.servlet.jsp.tagext.*;
import javax.servlet.jsp.*;
import java.io.IOException;

public class HelloTag implements Tag{

  private PageContext context = null;

  public HelloTag(){
    super();
  }

  public void setPageContext(PageContext pageContext) {
    this.context = pageContext;
  }

  public void setParent(Tag tag) {
  }

  public Tag getParent() {
    return null;
  }

  public int doStartTag() throws JspException{
    try{
      context.getOut().print("Hello!!! from Tag");
    }catch(IOException ex){
      throw new JspException(ex.getMessage());
    }
    return SKIP_BODY;
  }

  public int doEndTag() {
    return SKIP_PAGE;
  }

  public void release() {
  }
}