我的代码： 值未在数据库中更新并得到此错误：
（Illuminate \ Database \ QueryException（42S22）SQLSTATE [42S22]： 找不到列：1054“ where子句”中的未知“用户名”列 （SQL：从
Index.php中选择count（）作为聚合，其中<div align="center"> <input type="text" name="search" id="myInput" class="form-control" onkeyup="searchTable()"/> </div> //Pagination Code $results_per_page = 25; $number_of_results = mysqli_num_rows($sqldata); $number_of_pages = ceil($number_of_results/$results_per_page); if (!isset($_GET['page'])){ $page = 1; }else{ $page = $_GET['page']; } $this_page_first_result = ($page-1)*$results_per_page; $sqlget = "SELECT * FROM programteamtable LIMIT ".$this_page_first_result . ',' . $results_per_page; $sqldata = mysqli_query($dbcon,$sqlget); while ($row= mysqli_fetch_array($sqldata, MYSQLI_ASSOC)) { echo "<tr><td style='width: 150px; border: 1px solid black;'>"; echo $row['dispID']; //More Columns } <script> function searchTable() { var input, filter, found, table, tr, td, i, j; input = document.getElementById("myInput"); filter = input.value.toUpperCase(); table = document.getElementById("programteamtable"); tr = table.getElementsByTagName("tr"); for (i = 0; i < tr.length; i++) { td = tr[i].getElementsByTagName("td"); for (j = 0; j < td.length; j++) { if (td[j].innerHTML.toUpperCase().indexOf(filter) > -1) { found = true; } } if (found) { tr[i].style.display = ""; found = false; } else { tr[i].style.display = "none"; } } } </script>= anikatabassum））和（“ SQLSTATE [42S22]：找不到列：1054 “ where子句”中的未知列“ username”（SQL：选择count（）为 从users聚合，其中username= anikatabassum）users）
username答案 0 :(得分：0)
尝试一下-[CRIT] [73FD3F70-AEAE-4021-A91B-A8B24830B38E.1] [core] Plugin queue/smtp_forward timed out on hook queue - make sure it calls the callback
答案 1 :(得分：0)
检查数据库，如果表中是否包含username列，如果表中不包含该列，请运行以下命令：php artisan migrate:fresh