jsp连接数据库,帮帮忙,谢谢
我的jsp环境是jdk+tomcat5.0+sql server 2000(个人版),在winxp系统下。我打开sql server 2000企业管理器,在microsoft sql server ——》(local)(Windows NT) ——》数据库 下建立了一个数据库叫jspsql,在这个数据库下面新建了一个表叫student:
id 姓名 学号 专业 性别
1 张三 123 计算机 男
2 李四 456 化学 男
3 李琴 789 数学 女
请问我怎么才能把这张表里的所有数据读取到一张jsp页面中去????(我用jdbc驱动连接,不要用jdbc-odbc桥接器)
jdbc驱动也已经安装好了,然后我用了如下代码jdbc.jsp:
<%@page import="java.lang.*, java.io.*, java.sql.*, java.util.*" contentType="text/html;charset=gb2312"%>
<html>
<body>
<%Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=jspsql";
String user="sa";
String password="123456";
Connection conn= DriverManager.getConnection(url,user,password);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from student";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next())
{
out.print(rs.getInt("id"));
out.print("<br>");
out.print(rs.getString("姓名"));
out.print("<br>");
out.print(rs.getString("学号"));
out.print("<br>");
out.print(rs.getString("专业"));
out.print("<br>");
out.print(rs.getString("性别"));
}%>
<%out.print("数据库连接成功,恭喜你");%>
<%
rs.close();
stmt.close();
conn.close();
%>
</body>
</html>
但是出现错误了,错误代码如下:
HTTP Status 500 -
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:825)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)
org.apache.jsp.testsql.jdbc_jsp._jspService(jdbc_jsp.java:89)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.
com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source)
com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
com.microsoft.jdbc.sqlserver.tds.TDSConnection.<init>(Unknown Source)
com.microsoft.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Source)
com.microsoft.jdbc.base.BaseConnection.getNewImplConnection(Unknown Source)
com.microsoft.jdbc.base.BaseConnection.open(Unknown Source)
com.microsoft.jdbc.base.BaseDriver.connect(Unknown Source)
java.sql.DriverManager.getConnection(DriverManager.java:512)
java.sql.DriverManager.getConnection(DriverManager.java:171)
org.apache.jsp.testsql.jdbc_jsp._jspService(jdbc_jsp.java:53)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
给个例子行吗?谢谢……