com.microsoft.sqlserver.jdbc.SQLServerException: 用户 'sa' 登录失败。该用户与可信 SQL Server
com.microsoft.sqlserver.jdbc.SQLServerException: 用户 'sa' 登录失败。该用户与可信 SQL Server 连接无关联。
at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(Unknown Source)
at com.microsoft.sqlserver.jdbc.IOBuffer.processPackets(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.logon(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(DriverManager.java:525)
at java.sql.DriverManager.getConnection(DriverManager.java:171)
at scada.DatabaseOperation.<init>(DatabaseOperation.java:27)
at scada.DatabaseOperation.main(DatabaseOperation.java:44)


------解决方案--------------------
数据库连接出错了吧。检查数据库连接的配置

连接的数据库是不是有权限