在jsp中实现分页
2008-02-23 07:42:10来源：互联网 阅读 ()
page是关键字，不能当变量。
conn.jsp
<%
String sDBDriver = \"COM.ibm.db2.jdbc.app.DB2Driver\";
String sConnStr = \"jdbc:db2:faq\";
Connection conn = null;
Statement stmt = null;
ResultSet rs=null;
try {
Class.forName(sDBDriver);
}
catch(java.lang.ClassNotFoundException e) {
out.print(\"faq(): \" e.getMessage());
}
try{
conn = DriverManager.getConnection(sConnStr,\"wsdemo\",\"wsdemo1\");
stmt = conn.createStatement();
}catch(SQLException e){
out.print(e.toString());
}
%>
query.jsp
<%@ page language=\"java\" import=\"java.sql.*\" %>
<%@ page contentType=\"text/html; charset=gb2312\" %>
<%@ include file=\"conn.jsp\" %>
<%
......
int pages=0;
int pagesize=10;
ResultSet result = null;
ResultSet rcount = null;
pages = new Integer(request.getParameter(\"pages\")).intValue();
if (pages>0)
{
String sql=\" state=\'我不傻\'\";
int count=0;
try {
rcount = stmt.executeQuery(\"SELECT count(id) as id from user where \" sql);
catch(SQLException ex) {
out.print(\"aq.executeQuery: \" ex.getMessage());
}
if(rcount.next())
count = rcount.getInt(\"id\");
rcount.close();
if (count>0)
{
sql=\"select * from user where \" sql;
try {
result = stmt.executeQuery(sql);
}
catch(SQLException ex) {
out.print(\"aq.executeQuery: \" ex.getMessage());
}
int i;
String name;
// result.first();
// result.absolute((pages-1)*pagesize);
// 此方法jdbc2.0支持。编译通过，但执行不过，不知是不是跟驱动有关，只好用下面的笨办法。
for(i=1;i<=(pages-1)*pagesize;i )
result.next();
for(i=1;i<=pagesize;i ) {
if (result.next()) {
name=result.getString(\"name\");
out.print(name);
}
result.close();
int n= (int)(count/pagesize);
if (n*pagesize<count) n ;
if (n>1)
{for(i=1;i<=n;i )
out.print(\"<a href=query.jsp?pages=\" i \">\" i \" </a>\");
}
}
}
%>
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