📄 fy_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 fy_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
private static final JspFactory _jspxFactory = JspFactory.getDefaultFactory();
private static java.util.Vector _jspx_dependants;
private org.apache.jasper.runtime.ResourceInjector _jspx_resourceInjector;
public Object getDependants() {
return _jspx_dependants;
}
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
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 {
response.setContentType("text/html; charset=GB2312");
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;
_jspx_resourceInjector = (org.apache.jasper.runtime.ResourceInjector) application.getAttribute("com.sun.appserv.jsp.resource.injector");
out.write("\r\n");
out.write("\r\n");
int dipage=1;//当前页码数默认为1
String pages=request.getParameter("dipage");
if(pages==null)
{
pages="1";
}
try
{
dipage=Integer.parseInt(pages);
}
catch(Exception e)
{
dipage=1;
}
out.write("\r\n");
out.write("<HTML>\r\n");
out.write("<title>分页程序</title>\r\n");
out.write("<BODY>\r\n");
out.write(" ");
Connection con=null;
Statement stm=null;
ResultSet rs=null;
String strparentid=request.getParameter("parenttitleId");
if(strparentid!=null)
{
int parenttitleid=Integer.parseInt(strparentid);}
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
}
catch(ClassNotFoundException e)
{
out.print("类找不到！");
}
try
{
con=DriverManager.getConnection("jdbc:odbc:news");
stm=con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_READ_ONLY);
String sql="select * from SecondLevelTitle where parenttitleid=8";
// String sql="delete * from SecondLevelTitle where id='"+parenttitleid+"'";
rs=stm.executeQuery(sql);
int countRecord=0;//记录条数
int countPageRecord=0;//每页记录条数
int countPage=0;//总页数
countPageRecord=5;//每页5条记录，要设置每页记录条数就更改这个变量的值
//得到记录的条数
rs.last();
countRecord=rs.getRow();
//得到总页数
if(countRecord%countPageRecord==0)
countPage=countRecord/countPageRecord;
else
countPage=countRecord/countPageRecord+1;
//把记录指针移至当前页第一条记录之前
if((dipage-1)*countPageRecord==0)
rs.beforeFirst();
else
rs.absolute((dipage-1)*countPageRecord);
out.print("<Table Border style='font-size: 10pt' bordercolor='silver' align='center'>");
out.print("<TR>");
out.print("<Td width=100>"+"序号");
out.print("<Td width=100>"+"二级标题名称");
out.print("</TR>");
int i=0;
while(rs.next())
{
out.print("<TR>");
out.print("<TD >"+rs.getString("id")+"</TD>");
out.print("<TD >"+rs.getString("titleName")+"</TD>");
out.print("</TR>") ;
i++;
if(i>=countPageRecord) break; //当前页显示完，则退出循环
}
out.print("<TR><td colspan=8 align=center>");
out.print("共"+countRecord+"条记录,共"+countPage+"页，当前第"+dipage+"页，每页"+countPageRecord+"条记录，");
if(dipage==1)//当前是首页
;
else//当前不是首页
{
out.print("<a href=fy.jsp?dipage=1>首页</a>，");
out.print("<a href=fy.jsp?dipage="+(dipage-1)+">上一页</a>,");
}
if(dipage==countPage)//当前是末页
;
else//当前不是末页
{
out.print("<a href=fy.jsp?dipage="+(dipage+1)+">下一页</a>,");
out.print("<a href=fy.jsp?dipage="+countPage+">末页</a>");
}
out.print("</td></tr>");
out.print("</Table>");
con.close();
}
catch(SQLException e1)
{
out.println("发生错误！错误原因："+e1.getMessage());
}
out.write("\r\n");
out.write("</BODY>\r\n");
out.write("</HTML> ");
} 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 {
_jspxFactory.releasePageContext(_jspx_page_context);
}
}
}
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