sayhellotag.java

来自「說明JSP平台、開發環境」· Java 代码 · 共 28 行

package taglib;

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

public class sayHelloTag extends TagSupport {
    private String name = null;
    public void setName(String name) {
    	this.name = name;
    }

    public int doStartTag() throws JspException {
	JspWriter out = pageContext.getOut();
    	try {
	  out.println("<font color='blue'><b><i>");
	  if (this.name == null)
	     out.println("Hello, world!");
	  else
	     out.println("Hello, " + this.name + "!");
	  out.println("</i></b></font>");
	} catch (IOException ioe) {
	  System.out.println("Error: " + ioe.toString());
	}
	return SKIP_BODY;
    }
}