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import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.Statement;

public class T2

{

public static void main(String[] args)

{

try

{

Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");

System.out.println("成功加载SQL驱动程序");

} catch (Exception e)

{

System.out.println("找不到SQL驱动程序");

}

try

{

Connection con = DriverManager.getConnection("jdbc:sqlserver://localhost:1433;DatabanseName=Web", "sa", "root");

Statement stmt = con.createStatement();

System.out.println("数据库连接成功");

} catch (Exception e)

{

e.printStackTrace();

System.out.println("数据库连接失败");

}

}

}

功加载SQL驱动程序

com.microsoft.sqlserver.jdbc.SQLServerException: 用户 'sa' 登录失败。

at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:196)

at com.microsoft.sqlserver.jdbc.TDSTokenHandler.onEOF(tdsparser.java:246)

at com.microsoft.sqlserver.jdbc.TDSParser.parse(tdsparser.java:83)

at com.microsoft.sqlserver.jdbc.SQLServerConnection.sendLogon(SQLServerConnection.java:2532)

at com.microsoft.sqlserver.jdbc.SQLServerConnection.logon(SQLServerConnection.java:1929)

at com.microsoft.sqlserver.jdbc.SQLServerConnection.access$000(SQLServerConnection.java:41)

at com.microsoft.sqlserver.jdbc.SQLServerConnection$LogonCommand.doExecute(SQLServerConnection.java:1917)

at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:4026)

at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:1416)

at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1061)

at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:833)

at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:716)

at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:841)

at java.sql.DriverManager.getConnection(DriverManager.java:579)

at java.sql.DriverManager.getConnection(DriverManager.java:221)

at T2.main(T2.java:21)

数据库连接失败