我使用JDBC从MySQL检索了一些数据,我想将所有数据存储在一个JSONArray中,并将其写入一个文件。有人能帮我吗?我收到以下错误: start with '[' at1 [character 2 line 1]"String sql = "SELECT * FROM quizQuestionAnswer
WHERE Post_id='$row[0]' ORDER BY $OB LIMIT 4) AS sub ORDER BY `DATE` ASC") or die($con->error); $CommenterName=$CommenterPp->fetch_row();
echo json_encode(array($CommenterPicture,$