java 连接SQL Server

 1 package cn.test;
 2 
 3 import java.sql.*;
 4 
 5 public class DBUtil {
 6     public static void main(String[] args) {
 7         
 8         String driverName="com.microsoft.sqlserver.jdbc.SQLServerDriver";
 9         String dbURL="jdbc:sqlserver://localhost:1433;DatabaseName=数据库名";
10         String userName="sa";
11         String userPwd="密码";
12          try
13         {
14             Class.forName(driverName);
15             System.out.println("加载驱动成功！");
16         }catch(Exception e){
17             e.printStackTrace();
18             System.out.println("加载驱动失败！");
19         }
20         try{
21             Connection dbConn=DriverManager.getConnection(dbURL,userName,userPwd);
22             System.out.println("连接数据库成功！");
23         }catch(Exception e)
24         {
25             e.printStackTrace();
26             System.out.print("SQL Server连接失败！");
27         }    
28     }
29 }

 1 package cn.test;
 2 
 3 import java.sql.*;
 4 
 5 public class DBUtil {
 6     public static void main(String[] args) {
 7         
 8         String driverName="com.microsoft.sqlserver.jdbc.SQLServerDriver";
 9         String dbURL="jdbc:sqlserver://localhost:1433;DatabaseName=test1";
10         String userName="sa";
11         String userPwd="密码";
12         //String sql = "select * from student";
13         
14         Connection conn;
15         //Statement stmt;
16         ResultSet rs;
17         PreparedStatement ps;
18         
19          try
20         {
21              //1、加载驱动
22             Class.forName(driverName);            
23             System.out.println("加载驱动成功！");
24         }catch(Exception e){
25             e.printStackTrace();
26             System.out.println("加载驱动失败！");
27         }
28         try{
29             
30             //连接数据库
31             conn =DriverManager.getConnection(dbURL,userName,userPwd);
32             System.out.println("连接数据库成功！");
33             
34             ps = conn.prepareStatement("select * from student");
35             rs = ps.executeQuery();
36             while (rs.next()) {
37                 String cnoString = rs.getString(1);
38                 String cnameString= rs.getString(2);
39                 String tnoString = rs.getString(3);
40                 System.out.println("cno "+cnoString+" cname "+cnameString+" tno "+tnoString);
41                 
42             }
43             
44             
45         }catch(Exception e)
46         {
47             e.printStackTrace();
48             System.out.print("SQL Server连接失败！");
49         }    
50     }
51 }