ratepagetag.java

财务管理系统

package org.fms.tag;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.TagSupport;

import org.fms.util.Page;


public class RatePageTag extends TagSupport {
	private String uri;

	public String getUri() {
		return uri;
	}

	public void setUri(String uri) {
		this.uri = uri;
	}

	public int doEndTag() throws JspException {
		// TODO Auto-generated method stub
		return this.EVAL_PAGE;
	}

	public int doStartTag() throws JspException {
		JspWriter out = this.pageContext.getOut();
		HttpServletRequest request = (HttpServletRequest)this.pageContext.getRequest();
		Page page = (Page)request.getAttribute("page");
		StringBuffer buf = new StringBuffer();
		buf.append("<table>");
		buf.append("<tr>");
		buf.append("<td>");
		buf.append("共有<font color=red>"+page.getTotals()+"</font>条纪录");
		buf.append("</td>");
		buf.append("<td>");
		buf.append("当前第<font color=red>"+page.getCurrentPage()+"</font>页");
		buf.append("</td>");
		buf.append("<td>");
		buf.append("共有<font color=red>"+page.getTotalsPage()+"</font>页");
		buf.append("</td>");
		if(page.getCurrentPage() <= 1){
			buf.append("<td>");
			buf.append("首页");
			buf.append("</td>");
			buf.append("<td>");
			buf.append("上一页");
			buf.append("</td>");
		}else{
			buf.append("<td>");
			buf.append("<a href="+this.uri+"&page=1>首页</a>");
			buf.append("</td>");
			buf.append("<td>");
			buf.append("<a href="+this.uri+"&page="+(page.getCurrentPage() - 1)+">上一页</a>");
			buf.append("</td>");
		}
		if(page.getCurrentPage() >= page.getTotalsPage()){
			buf.append("<td>");
			buf.append("下一页");
			buf.append("</td>");
			buf.append("<td>");
			buf.append("尾页");
			buf.append("</td>");
		}else{
			buf.append("<td>");
			buf.append("<a href="+this.uri+"&page="+(page.getCurrentPage() +1) +">下一页</a>");
			buf.append("</td>");
			buf.append("<td>");
			buf.append("<a href="+this.uri+"&page="+(page.getTotalsPage())+">尾页</a>");
			buf.append("</td>");
		}
		buf.append("</tr>");
		buf.append("</table>");
		try {
			out.print(buf.toString());
		} catch (IOException e) {
			
			e.printStackTrace();
		}
		return this.SKIP_BODY;
	}
	
}