以下是返回一个查询结果集,返回到另一个类是变成无效的结果集合,
public ResultSet ExeQuery(String s) {
try {
conn = DriverManager.getConnection(DBurl,"","");
stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_UPDATABLE);
rs1 = stmt.executeQuery(s);
conn.close();
}
catch (SQLException sqlexception) {
System.err.println("ExeQuery:" + sqlexception.getMessage());
}
return rs1;
} 以下这是报错java.sql.SQLException: ResultSet is closed at sun.jdbc.odbc.JdbcOdbcResultSet.checkOpen(JdbcOdbcResultSet.java:6650) at sun.jdbc.odbc.JdbcOdbcResultSet.next(JdbcOdbcResultSet.java:1251) at ffff.Untitled1.main(Untitled1.java:11)Exception in thread "main"
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