[jsp]代码库
<%@ page contentType="text/html;charset=gb2312"%>
<%@ 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("index.jsp")
}
</script>
<%
//jsp分页代码原始版
java.sql.Connection sqlCon;
java.sql.Statement sqlStmt;
java.sql.ResultSet sqlRst;
java.lang.String strCon;
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 = 4;
//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;
}
//连接数据库
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
strCon = "jdbc:odbc:heyang";
sqlCon = java.sql.DriverManager.getConnection(strCon, "sa", "");
//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
//执行SQL语句并获取结果集
strSQL = "select user_id,user_name from userinfo order by user_id desc";
sqlRst = sqlStmt.executeQuery(strSQL);
sqlRst.last();//光标在最后一行
intRowCount = sqlRst.getRow();//获得当前行号
intPageCount = (intRowCount + intPageSize - 1) / intPageSize;//记算总页数
//调整待显示的页码
if (intPage > intPageCount)
intPage = intPageCount;
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>会员管理</title>
</head>
<body>
<form method="POST" action="index.jsp">
第<%=intPage%>页 共<%=intPageCount%>页
<%
if (intPage < intPageCount) {
%>
<a href="index.jsp?page=<%=intPage + 1%>">下一页 </a>
<%
}
%>
<%
if (intPage > 1) {
%>
<a href="index.jsp?page=<%=intPage - 1%>"> 上一页</a>
<%
}
%>
转到第:
<input type="text" name="page" size="8">
页
<span><input class=buttonface type=´submit´
value=´GO´ name=´cndok´> </span>
</form>
<table border="1" cellspacing="0" cellpadding="0">
<tr>
<th>
ID
</th>
<th>
用户名
</th>
<th width=´8%´>
删除
</th>
</tr>
<%
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>
<td width=´8%´ align=´center´>
<a href="delete.jsp?user_id=<%=user_id%>"
onClick="return newwin(this.href);">删除</a>
</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 10:50:04 顶(0) | 踩(0) 回复
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