footag.java

Servlet与JSP核心编程原码,适合刚做软件开发的程序员参考！

package examples;

import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
import java.util.Hashtable;
import java.io.Writer;

/**
 * Example1: the simplest tag
 * Collect attributes and call into some actions
 *
 * <foo att1="..." att2="...." att3="...." />
 */

public class FooTag extends TagSupport {

    /**
     * Create a new Foo tag handler
     */
    public FooTag() {
	super();
    }

    /**
     * Attributes for this action:
     *   att1
     *   att2
     *   att3
     */

    /**
     * Attribute: att1
     * setter and getter
     */
    public void setAtt1(String s) {
	att1 = s;
    }
    public String getAtt1() {
	return att1;
    }

    /**
     * Attribute: att2
     * setter and getter
     */
    public void setAtt2(String s) {
	att2 = s;
    }
    public String getAtt2() {
	return att2;
    }

    /**
     * Attribute: att3
     * setter and getter
     */
    public void setAtt3(String s) {
	att3 = s;
    }
    public String getAtt3() {
	return att3;
    }

    /**
     * Process start tag
     *
     * @return SKIP_BODY
     */
    public int doStartTag() {
	// do whatever you want with "att1", "att2", "att3"

	return SKIP_BODY;
    }

    /**
     * Release
     */
    public void release() {
	att1 = att2 = att3 = null;
	super.release();
    }

    /*
     * Private data
     */
    private String att1;
    private String att2;
    private String att3;
}