JSP连接SQL Server并进行分页代码

2015/11/10 46751
<%@ 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();
%>
代码片段
