[英]How to get output of an SQL Server stored procedure in Java
I have a stored procedure that produces output via various PRINT statements.我有一个通过各种 PRINT 语句生成 output 的存储过程。 I want to grab that output in Java, and I don't know how to do it.想在Java中抢到那个output,不知道怎么弄。 Can this be done at all?这完全可以做到吗?
The output of print statements is available via SQLWarnings, eg:打印语句的 output 可通过 SQLWarnings 获得,例如:
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Statement;
public class SQLDatabaseConnection {
public static void main(String[] args) {
String connectionUrl =
"jdbc:sqlserver://YourServerName:1433;"
+ "database=SomeDB;"
+ "user=SomeUsername;"
+ "password=S0meM4gic4lP4ssw0rd;"
+ "encrypt=true;"
+ "trustServerCertificate=true;"
+ "loginTimeout=30;";
ResultSet resultSet = null;
try (Connection connection = DriverManager.getConnection(connectionUrl);
Statement statement = connection.createStatement();) {
resultSet = statement.executeQuery("print 'Hello, world!'; select getdate() as [Something]");
while (resultSet.next()) {
System.out.format("Result set: %s\n", resultSet.getString(1));
}
SQLWarning warning = statement.getWarnings();
while (warning != null)
{
System.out.format("Warning: %s\n", warning.getMessage());
warning = warning.getNextWarning();
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}
Which outputs...哪个输出...
Result set: 2021-06-04 00:38:27.567
Warning: Hello, world!
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