连接数据库成功com.microsoft.sqlserver.jdbc.SQLServerException:用户''登录失败。ClientConnectionId:20b2b05b-b2e1-42f9-a86c-f29faafa7bfb源码publicvoidactionPerformed(ActionE...

连接数据库成功

com.microsoft.sqlserver.jdbc.SQLServerException: 用户 '' 登录失败。 ClientConnectionId:20b2b05b-b2e1-42f9-a86c-f29faafa7bfb

源码

public void actionPerformed(ActionEvent e) {

if (e.getSource() == btn_mesQuery) {

}

if (e.getSource() == btn_ticketQuery) {

String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver";

String dbURL = "jdbc:sqlserver://localhost:1433;DatabaseName=TicketManager";

String userName = "sa";

String userPwd = "123456";

try

{

Class.forName(driverName);

Connection dbConn = DriverManager.getConnection(dbURL, userName,