sql server数据库数据查询成功 

 1 <%@ page language="java" contentType="text/html; charset=utf-8"   pageEncoding="utf-8"%>
 2 <%@ page  import="java.sql.*" %>
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 4 <html>
 5 <head>
 6 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 7 <title>Insert title here</title>
 8 </head>
 9 <body>
10 <%
11     PreparedStatement ps = null;
12     Connection ct = null;
13     ResultSet rs = null;
14     String url = "jdbc:sqlserver://localhost:1433;databaseName=test";
15     String user="sa";  //超级管理员
16     String password="sa";  //密码
17     try {
18         //1.加载驱动
19         Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
20         System.out.println("加载驱动成功！");
21     }catch(Exception e) {
22         e.printStackTrace();
23         System.out.println("加载驱动失败！");
24     }
25     try {  
26         //2.连接
27         ct=DriverManager.getConnection( url,user,password);
28         System.out.println("连接数据库成功！");
29     }catch(Exception e) {
30         e.printStackTrace();
31         System.out.println("连接数据库失败！");
32     }
33     
34     /*尝试查询数据库*/
35     try{
36         Statement stmt = ct.createStatement();
37         String sql = "select * from student";
38         // 执行数据库查询语句
39         rs = stmt.executeQuery(sql);
40         while (rs.next()) {
41             String id = rs.getString("SID");
42             String name = rs.getString("SNAME");
43             String age = rs.getString("SSEX");
44             
45             out.println("eno:" + id +"\t"+ "ename:" + name +"\t"+"sex:" + age+"<br>");
46         }
47         if (rs != null) {
48             rs.close();
49             rs = null;
50         }
51         if (stmt != null) {
52             stmt.close();
53             stmt = null;
54         }
55         if (ct != null) {
56             ct.close();
57             ct = null;
58         }
59     }
60     catch (SQLException e) {
61         e.printStackTrace();
62         System.out.println("数据库连接失败");
63     }
64 
65       
66     
67      %>
68 </body>
69 </html>

 

posted @ 2018-08-08 00:24  Borter  阅读(309)  评论(0)    收藏  举报