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import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ParameterMetaData;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class Jdbctest {
public static void main(String[] args) throws ClassNotFoundException, SQLException {
Class.forName("oracle.jdbc.driver.OracleDriver");
String url = "jdbc:oracle:thin:@192.168.1.102:1521:ora9";
String username = "scott";
String password = "tiger";
Connection conn = DriverManager.getConnection(url, username, password);
PreparedStatement ps = conn.prepareStatement("select *from users where password=?");
ParameterMetaData pmm = ps.getParameterMetaData();//这行有问题
String name = pmm.getParameterTypeName(1);
System.out.println(name);
ps.close();
conn.close();
}
}