taglib的context标签

来源：互联网发布：xcode 9 mac os 编辑：程序博客网时间：2024/05/16 06:30

package edu.inspuruptec.su02.utils;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.TagSupport;

public class TagConfig extends TagSupport{
private String words;
private String fontcolor;

public String getFontcolor() {
  return fontcolor;
}
public void setFontcolor(String fontcolor) {
  this.fontcolor = fontcolor;
}
public String getWords() {
  return words;
}
public void setWords(String words) {
  this.words = words;

}
@Override
public int doStartTag() throws JspException {
  // TODO Auto-generated method stub
  System.out.println("start call TagConfig.....doStartTag()....");
  JspWriter out=this.pageContext.getOut();
  HttpServletRequest htr=(HttpServletRequest)pageContext.getRequest();
  String pass=htr.getContextPath();
  Date date=new Date();
     SimpleDateFormat sdf=new SimpleDateFormat("yyyy MM dd hh:mm:ss");
     String currenttime=sdf.format(date);
  try {
   out.print("<span><font color='"+this.fontcolor+"'>"+"当前系统时间是"+currenttime+"    当前路径是"+pass+"你输入的问候语是："+this.words+"</front></span>");
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
  return this.EVAL_BODY_INCLUDE;
  //return this.SKIP_BODY;//它很没用。
}
@Override
public int doEndTag() throws JspException {
  // TODO Auto-generated method stub
  return EVAL_PAGE;
  //return SKIP_PAGE;//跟在他后面要倒霉
}
/*public int doStartTag(){
  System.out.println("start call TagConfig.....doStartTag()....");
  JspWriter out=this.pageContext.getOut();
  HttpServletRequest htr=(HttpServletRequest)pageContext.getRequest();
  String pass=htr.getContextPath();
  try {
   out.print("当前路径是"+pass);
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
  return this.EVAL_BODY_INCLUDE;
}
public int doEndTag() throws JspException {
  // TODO Auto-generated method stub
  return EVAL_PAGE;
}*/

}