transact.java

在JAVA中自定义的一个Jsp标记

package tagtest;

import javax.servlet.jsp.tagext.*;
//import java.util.HashMap;
import javax.servlet.jsp.JspWriter;
import java.io.*;

public class transact extends TagSupport {
    private String color = "blue";
    public transact() {
    }

    public void setColor(String color) {
        this.color = color;
    }

    public String getColor() {
        return color;
    }

    public int doStartTag()
    {
        JspWriter out = pageContext.getOut();

        try{
            out.println("<font color='" + color + "'>");
        }catch(IOException ie){
            ie.printStackTrace();
        }catch(Exception e){
            e.printStackTrace();
        }

        return EVAL_PAGE;
    }

    public int doEndTag()
    {
        JspWriter out = pageContext.getOut();

        try{
            out.println("</font>");
        }catch(Exception e){
            e.printStackTrace();
        }

        return EVAL_PAGE;
    }
}