WebRoot/guestbook.jsp

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<%@ page language="java" import="java.util.*" contentType="text/html;charset=gb2312" %>
<%@ include file="iframe/head.jsp" %>
<jsp:useBean id="guestbean" class="com.bean.GuestBookBean" scope="page" />

<script  language="javascript" >
function top(){
   	form3.action="<%=basePath%>guestbook.jsp?page=1";
    form3.submit();
}
function last(){
    if(form3.pageCount.value==0){//如果总页数为0，那么最后一页为1，也就是第一页，而不是第0页
    form3.action="<%=basePath%>guestbook.jsp?page=1";
    form3.submit();
	}else{
	form3.action="<%=basePath%>guestbook.jsp?page="+form3.pageCount.value;
    	form3.submit();
	}
}
function pre(){
  var page=parseInt(form3.page.value);
  if(page<=1){
    alert("已至第一页");
  }else{
    form3.action="<%=basePath%>guestbook.jsp?page="+(page-1);
    form3.submit();
  }
}

function next(){
  var page=parseInt(form3.page.value);
  var pageCount=parseInt(form3.pageCount.value);
  if(page>=pageCount){
    alert("已至最后一页");
  }else{
    form3.action="<%=basePath%>guestbook.jsp?page="+(page+1);
    form3.submit();
  }
}
function bjump(){
  	var pageCount=parseInt(form3.pageCount.value);
  	if( fIsNumber(form3.busjump.value,"1234567890")!=1 ){
		alert("跳转文本框中只能输入数字!");
		form3.busjump.select();
		form3.busjump.focus();
		return false;
	}
	if(form3.busjump.value>pageCount){//如果跳转文本框中输入的页数超过最后一页的数，则跳到最后一页
	  if(pageCount==0){	
	  form3.action="<%=basePath%>guestbook.jsp?page=1";
	  form3.submit();
	}
	else{
		form3.action="<%=basePath%>guestbook.jsp?page="+pageCount;
		form3.submit();
	}
}
else if(form3.busjump.value<=pageCount){
var page=parseInt(form3.busjump.value);
   if(page==0){
      page=1;//如果你输入的是0，那么就让它等于1