如何在php中设置文本框的数组数据
**我有home.php文件和superLec.php文件。用户可以输入studentUniversityId
并点击提交按钮。特定数据我想显示studentName
文本框和lecturerName
文本框。我想以数组形式传递数据。如何为文本框设置数组数据。请任何人帮助我。 **。如何在php中设置文本框的数组数据
home.php
<?php
session_start();
include_once 'include/class.supervisor.php';
$supervisor = new Supervisor();
if (isset($_POST['submit'])) {
extract($_POST);
$autofill = $supervisor->check_auto_fill($studentUniversityId);
/* if ($autofill) {
// Registration Success
header("location:homeLecturer.php");
} else {
// Registration Failed
echo 'Wrong username or password';
}*/
}
?>
<form action="" method="post">
<label for="studentID">Student ID</label>
<input type="text" name="studentUniversityId" id="studentID" placeholder="studentID">
<!--input type="submit" id="autoFill" name="autoFill" value="Auto Fill"><br><br>
<input class="btn" type="submit" name="submit" value="Auto Fill"-->
<label for="studentName">Student Name</label>
<input type="text" id="studentName" name="studentName" value = "<?php echo print_r($autofill);?>" placeholder="Student Name"><br><br>
<label for="lecturerName">Supervisor Name</label>
<input type="text" id="lecturerName" name="lecturerName" value = "<?php echo ($lecturerName) ;?>" placeholder="Supervisor Name"><br><br>
<input type="submit" id="submit" name="submit" value="submit">
</form>
**这是我的PHP文件。我想为home.php文件传递数组值。任何人都可以帮我解答。 **
superLe.php
public function check_auto_fill($studentUniversityId){
$query = "SELECT supervisor.lecturerName, supervisee.studentName, supervisee.studentUniversityId FROM supervisee, supervisor WHERE supervisee.lecturerId = supervisor.lecturerId AND supervisee.studentUniversityId = '$studentUniversityId' ";
$result = $this->db->query($query) or die($this->db->error);
$supervisor_data = $result->fetch_array(MYSQLI_ASSOC);
$arr = array("lecturerName", "studentName", "studentName");
return $arr;
}
要使用数组创建响应,您需要从查询中提取获取的数据并将它们放入输出数组中。 我建议你使用键/值数组。
public function check_auto_fill($studentUniversityId){
$query = "SELECT supervisor.lecturerName, supervisee.studentName, supervisee.studentUniversityId FROM supervisee, supervisor WHERE supervisee.lecturerId = supervisor.lecturerId AND supervisee.studentUniversityId = '$studentUniversityId' ";
$result = $this->db->query($query) or die($this->db->error);
$supervisor_data = $result->fetch_array(MYSQLI_ASSOC);
$arr = array(
'lecturerName' => $supervisor_data[0]['lecturerName'], //the "0" index depends of the query structure, but as I can see, this is a right way
'studentName' => $supervisor_data[0]['studentName'],
)
//$arr = array("lecturerName", "studentName", "studentName");
return $arr;
}
之后,在你的home.php你可以简单的提取物阵列中的数据,并把作为所示例在正确的领域中的元素:
<label for="studentName">Student Name</label>
<input type="text" id="studentName" name="studentName" value = "<?php echo $autofill['studentName']; ?>" placeholder="Student Name"><br><br>
<label for="lecturerName">Supervisor Name</label>
<input type="text" id="lecturerName" name="lecturerName" value = "<?php echo $autofill['lecturerName']; ?>" placeholder="Supervisor Name"><br><br>
希望它可以帮助你。 马尔科
@Macro'
通知:未定义变量:自动填充在C:\ XAMPP \ htdocs中\登录---注册-使用-OOP-PHP --- Mysql的主\ homeLecturer.php上线
'显示像这样的错误 –
moni123
你能复制这两个页面吗? –
从我看到和理解(如果我不请原谅),要填充的文本字段studentName和lecturerName各自的价值。对我而言,除了一件事外,你的代码看起来正确。你需要从superLe.php下降线
$arr = array("lecturerName", "studentName", "studentName");
。行
$supervisor_data = $result->fetch_array(MYSQLI_ASSOC);
已经返回一个关联阵列,其可以在文件home.php在可变$autofill
使用尽可能$autofill['studentName']
或$autofill['lecturerName']
。
你想在文本框中显示值的权利? –
是的。在文本框中显示值 – moni123