[jsp]代码库
<%@ page contentType="text/html;charset=utf-8" pageEncoding="utf-8"%>
<%@ page language="java" import="java.sql.*"%>
<script language="javascript">
function newwin(url) {
var
newwin = window
.open(
url,
"newwin",
"toolbar=no,location=no,directories=no,status=no,menubar=no, scrollbars=yes,resizable=yes,width=600,height=450");
newwin.focus();
return false;
}
</script>
<script LANGUAGE="javascript">
function submit10() {
self.location.replace("fenye.jsp")
}
</script>
<%
//变量声明
java.sql.Connection sqlCon; //数据库连接对象
java.sql.Statement sqlStmt; //SQL语句对象
java.sql.ResultSet sqlRst; //结果集对象
java.lang.String strCon; //数据库连接字符串
java.lang.String strSQL; //SQL语句
int intPageSize; //一页显示的记录数
int intRowCount; //记录总数
int intPageCount; //总页数
int intPage; //待显示页码
java.lang.String strPage;
int i;
//设置一页显示的记录数
intPageSize = 10;
//取得待显示页码
strPage = request.getParameter("page");
if (strPage == null) {//表明在QueryString中没有page这一个参数,此时显示第一页数据
intPage = 1;
} else {//将字符串转换成整型
intPage = java.lang.Integer.parseInt(strPage);
if (intPage < 1)
intPage = 1;
}
//装载JDBC驱动程序
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
//设置数据库连接字符串
strCon = "jdbc:sqlserver://127.0.0.1;databaseName=dbname";
//连接数据库
sqlCon = java.sql.DriverManager.getConnection(strCon, "sa",
"12345678");
//创建一个可以滚动的只读的SQL语句对象
sqlStmt = sqlCon.createStatement(
java.sql.ResultSet.TYPE_SCROLL_INSENSITIVE,
java.sql.ResultSet.CONCUR_READ_ONLY);//准备SQL语句
strSQL = "select * from etsa";
//执行SQL语句并获取结果集
sqlRst = sqlStmt.executeQuery(strSQL);
//获取记录总数
sqlRst.last();//??光标在最后一行
intRowCount = sqlRst.getRow();//获得当前行号
//记算总页数
intPageCount = (intRowCount + intPageSize - 1) / intPageSize;
//调整待显示的页码
if (intPage > intPageCount)
intPage = intPageCount;
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>分頁</title>
</head>
<body>
<form method="POST" action="">
第<%=intPage%>页 共<%=intPageCount%>页
<%
if (intPage < intPageCount) {
%>
<a href="fenye.jsp?page=<%=intPage + 1%>">下一页</a>
<%
}
%>
<%
if (intPage > 1) {
%>
<a href="fenye.jsp?page=<%=intPage - 1%>">上一页</a>
<%
}
%>
转到第:
<input type="text" name="page" size="8">
页
<input type="submit" value="GO" name="cndok">
</form>
<table border="1" cellspacing="0" cellpadding="0">
<%
if (intPageCount > 0) {
//将记录指针定位到待显示页的第一条记录上
sqlRst.absolute((intPage - 1) * intPageSize + 1);
//显示数据
i = 0;
String user_id, user_name;
while (i < intPageSize && !sqlRst.isAfterLast()) {
user_id = sqlRst.getString(1);
user_name = sqlRst.getString(2);
%>
<tr>
<td><%=user_id%></td>
<td><%=user_name%></td>
</tr>
<%
sqlRst.next();
i++;
}
}
%>
</table>
</body>
</html>
<%
//关闭结果集
sqlRst.close();
//关闭SQL语句对象
sqlStmt.close();
//关闭数据库
sqlCon.close();
%>
by: 发表于:2017-12-29 10:50:58 顶(0) | 踩(0) 回复
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