try {
executeCommand(sql, SQL.UPDATE);
pstmt = prepareStatement(sql);
return pstmt.executeUpdate();
} catch (SQLException ex) {
throw new JThinkRuntimeException(JThinkErrorCode.ERRCODE_DB_EXEC_SQL_EXCEPTION,
"执行SQL失败!", ex);
} finally {
releaseResultSet(rs);
releaseStatement(pstmt);
}