别的例如更新、删除都能显示出来，怎么插入新行（如下，插入编号为8）就不能显示呢？
/// import the JDBC packages
import java.sql.*;
import oracle.sql.*;
import oracle.jdbc.*;
public class AdvResultSet{
public static void main (String args [])
throws SQLException {
// register the Oracle JDBC drivers
DriverManager.registerDriver(
new oracle.jdbc.OracleDriver()
);
// create a Connection object, and connect to the database
// as store_user using the Oracle JDBC Thin driver
Connection myConnection = DriverManager.getConnection(
"jdbc
racle:thin:@zyj:1521
radb",
"zyj",
"zyj"
);
// disable auto-commit mode
myConnection.setAutoCommit(false);
// create a Statement object from which an updatable
// ResultSet object will be created
Statement myStatement = myConnection.createStatement(
ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_UPDATABLE
);
// create a ResultSet object
ResultSet customerResultSet = myStatement.executeQuery(
"SELECT (编号),(型号),(厂家)" +
"FROM 主机"
);
System.out.println("Retrieved rows from 主机 table"
;
// update row #2's first name and dob
System.out.println("Updating the 型号 row #2"
;
customerResultSet.absolute(2);
String new型号 = "Greg";
customerResultSet.updateString("型号", new型号);
customerResultSet.updateRow();
// display the new first name and dob
System.out.println("型号 = " + customerResultSet.getString("型号"
);
// delete row #5
System.out.println("Deleting row #5"
;
customerResultSet.absolute(5);
customerResultSet.deleteRow();
// insert a new row
System.out.println("Inserting new row"
;
customerResultSet.moveToInsertRow();
customerResultSet.updateInt("编号", 8);
customerResultSet.updateString("型号", "Price"
;
customerResultSet.updateString("厂家", "Jason"
;
customerResultSet.insertRow();
customerResultSet.moveToCurrentRow();
// display the rows in the ResultSet
System.out.println("Rows in customerResultSet"
;
customerResultSet.beforeFirst();
while (customerResultSet.next())
{
System.out.println("编号 = " +
customerResultSet.getInt("编号"
);
System.out.println("型号 = " +
customerResultSet.getString("型号"
);
System.out.println("厂家 = " +
customerResultSet.getString("厂家"));
// display the new 厂家
System.out.println("厂家 = " +
customerResultSet.getString("厂家"));
} // end of while loop
// rollback the changes made to the database
myConnection.rollback();
// close this ResultSet object using the close() method
customerResultSet.close();
// close the other JDBC objects
myStatement.close();
myConnection.close();
} // end of main()
}
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