bodytagdemo.java

JavaWeb高级特性书中源代码

package org.it315;
import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.BodyTagSupport;
public class BodyTagDemo extends BodyTagSupport 
{
	public int doEndTag() throws JspException 
	{
		String content = bodyContent.getString();//得到标签体内容
		String newContent = "<a href='http://" + content + "'>" + content + "</a>";

		//得到BodyContent中关联的JspWriter对象
		JspWriter out = bodyContent.getEnclosingWriter();
		/*try 
		{
			out.write(newContent);
		} 
		catch (IOException e) 
		{
			e.printStackTrace();
		}*/
		return EVAL_PAGE;
	}
}