📄 divpagebook_jsp.java
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package org.apache.jsp;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;
public final class divpageBook_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
ResultSet rs=null;
int pageSize=5;//每页显示5条记录
int pages=1;//第几页，默认当前页是第一页
int totPage=0;//总页数
//显示单行记录的方法
public String displayRows(ResultSet rs)
{
String text="";
try
{
text=text+"<tr>";
text=text+"<td>"+rs.getString("name")+"</td>";
text+="<td>"+rs.getString("sex")+"</td>";
text+="<td>"+rs.getString("phone")+"</td>";
text+="<td>"+rs.getString("mobilePhone")+"</td>";
text+="</tr>";
}
catch(Exception e)
{
e.printStackTrace();
}
return text;
}
//显示每一页的5条记录
String str="";
public String showPage(ResultSet rs,int pages,int pageSize)
{
str="";
//将指针定位到指定的位置
try
{
rs.absolute((pages-1)*pageSize+1);
}
catch(Exception e)
{
e.printStackTrace();
}
for(int i=1;i<=pageSize;i++)
{
str+=displayRows(rs);//求出显示5条记录的表格
try
{
if(!rs.next())
break;
}
catch(Exception e)
{
e.printStackTrace();
}
}
return str;
}
private static java.util.Vector _jspx_dependants;
public java.util.List getDependants() {
return _jspx_dependants;
}
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
JspFactory _jspxFactory = null;
PageContext pageContext = null;
HttpSession session = null;
ServletContext application = null;
ServletConfig config = null;
JspWriter out = null;
Object page = this;
JspWriter _jspx_out = null;
PageContext _jspx_page_context = null;
try {
_jspxFactory = JspFactory.getDefaultFactory();
response.setContentType("text/html; charset=GBK");
pageContext = _jspxFactory.getPageContext(this, request, response,
null, true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write('\r');
out.write('\n');
com.Dao.pageDao b1 = null;
synchronized (session) {
b1 = (com.Dao.pageDao) _jspx_page_context.getAttribute("b1", PageContext.SESSION_SCOPE);
if (b1 == null){
b1 = new com.Dao.pageDao();
_jspx_page_context.setAttribute("b1", b1, PageContext.SESSION_SCOPE);
out.write('\r');
out.write('\n');
}
}
out.write('\r');
out.write('\n');
out.write('\r');
out.write('\n');
rs=b1.getResults();
out.write("\r\n<html>\r\n<head>\r\n<title>\r\ndisplayBook\r\n</title>\r\n</head>\r\n<body background=\"image/1.jpg\" text=\"red\">\r\n<center>\r\n\r\n<h1>\r\n通讯录分页显示\r\n</h1>\r\n<hr width=\"50%\"/>\r\n<h3>好友信息</h3>\r\n<table border=\"1\">\r\n <tr>\r\n <td>姓名</td>\r\n <td>性别</td>\r\n <td>电话</td>\r\n <td>手机</td>\r\n </tr>\r\n");
totPage=b1.getPages(pageSize);//求得总页数
//求当前页
try
{
if(request.getParameter("page")==null||
request.getParameter("page").equals(""))
{
pages=1;//默认为第一页
}
else
{
pages=Integer.parseInt(request.getParameter("page"));
}
}
catch(Exception e)
{
pages=1;
}
if(pages<1)
{
pages=1;
}
if(pages>totPage)
{
pages=totPage;
}
out.println(showPage(rs,pages,pageSize));
out.write("\r\n</table>\r\n<form action=\"divpageBook.jsp\" method=\"GET\">\r\n");
if(pages!=1)
{
out.println("<a href=divpageBook.jsp?page=1>第一页</a>");
out.println("<a href=divpageBook.jsp?page="+(pages-1)+">上一页</a>");
}
if(pages!=totPage)
{
out.println("<a href=divpageBook.jsp?page="+(pages+1)+">下一页</a>");
out.println("<a href=divpageBook.jsp?page="+totPage+">最后一页</a>");
}
out.write("\r\n<p>输入页数:\r\n<input type=\"text\" name=\"page\" size=\"3\" value=\"");
out.print(pages);
out.write("\" />\r\n<input type=\"submit\" value=\"翻页\" />\r\n页数:<font color=\"red\">");
out.print(pages );
out.write('/');
out.print(totPage );
out.write("</font></p>\r\n</form>\r\n<a href=\"displayBook.jsp\">返回</a>\r\n</center>\r\n</body>\r\n</html>\r\n\r\n");
} catch (Throwable t) {
if (!(t instanceof SkipPageException)){
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
out.clearBuffer();
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
}
} finally {
if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
}
}
}
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