printctrlstag.java

《j2ee开发全程实录》随书源码

package com.cownew.PIS.framework.web.ctrl;

import java.io.IOException;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;

public class PrintCtrlsTag extends TagSupport
{
	private String forDiv;

	public void setForDiv(String forDiv)
	{
		this.forDiv = forDiv;
	}

	public int doEndTag() throws JspException
	{
		StringBuffer sb = new StringBuffer();
		sb.append("<input type='button' onclick=\"javascript:document.getElementById('");
		sb.append(forDiv);
		sb.append("').contentEditable=true\" value=\"编辑\"/ id=PrintCtrls_Edit>");

		sb.append("<input type='button' onclick=\"javascript:this.style.visibility = 'hidden'; ");
		sb.append("document.getElementById('PrintCtrls_Edit').style.visibility = 'hidden';");
		sb.append("self.print();this.style.visibility = 'visible';");
		sb.append("document.getElementById('PrintCtrls_Edit').style.visibility = 'visible';");
		sb.append("\" value=\"打印\"/>");

		try
		{
			pageContext.getOut().println(sb.toString());
		} catch (IOException e)
		{
			throw new JspException(e);
		}
		return EVAL_PAGE;
	}
}