我的SQL代码有问题。 如果使用一个字段，我设法在一个保存按钮中创建添加和编辑功能，但是如果我添加更多字段失败 >。我可以完美地添加它，但不能编辑该字段。
我的情况是我需要添加经验，如果经验为空，则需要添加新的经验，或者如果我已经添加，则可以添加更多经验并可以对其进行编辑。
这是我的体验表中的代码
<form class="form-horizontal form-label-left" method="post" >
<div class="form-group">
<div align="center">
<table align="center" cellspacing="0">
<tr>
<td><strong>Accreditation Body </strong></td>
<td><strong for="institution">Type of Auditor</strong></td>
<td><div align="center"><strong>Year of Experience (example : 2000-2002)</strong></div></td>
<td></td>
</tr>
<?php
$i = 0;
foreach ($exps as $exp)
// foreach (array_slice($exps,1) as $exp)
{?>
<tr>
<td> <textarea id="description" required="required" name="description[example<?php echo ++$i;?>]" class="form-control col-md-7 col-xs-12"><?php echo $exp['description'];?></textarea></td>
<td>
<select class="form-control" type="" id="institution" name="institution[example<?php echo ++$i;?>]" required>
<option></option>
<option value="External Auditor" <?php echo helpers::selectValueEdit("External Auditor", "institution[]", $exp['institution']);?>>External Auditor</option>
<option value="Internal Auditor" <?php echo helpers::selectValueEdit("Internal Auditor", "institution[]", $exp['institution']);?>>Internal Auditor</option>
</select>
</td>
<td>
<input type="text" id="year" name="year[example<?php echo ++$i;?>]" required="required" class="form-control col-md-7 col-xs-12" value="<?php echo $exp['year'];?>">
</td>
<input type="hidden" name="id[example<?php echo $i;?>]" value="<?php echo $exp['experience_id'];?>"/td>
<td>
</form>
<script>
<?php
$input = '\'
<div class="control-group input-group" style="margin-top:10px">
<div align="right_col">
<table align="" cellspacing="0">
<tr>
<td> <textarea id="description" type="text" required="required" name="description[]" class="form-control "></textarea></td>
<td>
<select class="form-control" type="text" id="institution" name="institution[]" required>
<option></option>
<option value="External Auditor">External Auditor</option>
<option value="Internal Auditor">Internal Auditor</option>
</select>
</td>
<td> <input type="text" id="year" name="year[]" required="required" class="form-control" >
</td>
<td>
<div class="input-group-btn">
<button class="btn btn-danger remove" type="button"><i class="glyphicon glyphicon-remove"></i> Remove</button>
</div>
</td>
</tr>
<input type="" name="txt_holder" id="txt_holder" hidden>
</table>
</div>
</div>\'';
$input = preg_replace( "/\r|\n/", "", $input );
?>
function addNew() {
$("#insert-after").append(<?php echo $input;?>);
if ($("#edit-button").hasClass("hidden")){
$("#edit-button").removeClass("hidden");
}
}
</script><!-- page content -->
<div class="right_col" role="main">
<div class="">
<div class="page-title">
<div class="title_left">
<h3>Edit Profile</h3>
</div>
</div>
<div class="clearfix"></div>
<div class="row">
<div class="col-md-12 col-sm-12 col-xs-12">
<div class="x_panel">
<div class="x_title">
<?php session::display_msg();?>
<h2>Experience</h2>
<div class="clearfix"></div>
</div>
<div class="x_content">
<form class="form-horizontal form-label-left" method="post" >
<div class="form-group">
<div align="center">
<table align="center" cellspacing="0">
<tr>
<td><strong>Accreditation Body </strong></td>
<td><strong for="institution">Type of Auditor</strong></td>
<td><div align="center"><strong>Year of Experience (example : 2000-2002)</strong></div></td>
<td></td>
</tr>
<?php
$i = 0;
foreach ($exps as $exp)
// foreach (array_slice($exps,1) as $exp)
{?>
<tr>
<td> <textarea id="description" required="required" name="description[example<?php echo ++$i;?>]" class="form-control col-md-7 col-xs-12"><?php echo $exp['description'];?></textarea></td>
<td>
<select class="form-control" type="" id="institution" name="institution[example<?php echo ++$i;?>]" required>
<option></option>
<option value="External Auditor" <?php echo helpers::selectValueEdit("External Auditor", "institution[]", $exp['institution']);?>>External Auditor</option>
<option value="Internal Auditor" <?php echo helpers::selectValueEdit("Internal Auditor", "institution[]", $exp['institution']);?>>Internal Auditor</option>
</select>
</td>
<td>
<input type="text" id="year" name="year[example<?php echo ++$i;?>]" required="required" class="form-control col-md-7 col-xs-12" value="<?php echo $exp['year'];?>">
</td>
<input type="hidden" name="id[example<?php echo $i;?>]" value="<?php echo $exp['experience_id'];?>"/td>
<td>
<a href="delete_admin.php?exp=<?php echo $exp['experience_id'];?>&p_id=<?php echo $exp['exp_id']; ?>" name="delete" class="btn btn-sm btn-danger" id="delete-button">Delete</a>
</td>
</tr>
</table>
<div id="insert-after"></div>
<a href="" onclick="addNew();return false;" class="btn btn-success" >Add New</a>
<input type="submit" name="edit" value="Save" class="btn btn-success" id="edit-button">
</form>
这是我的SQL：
public function update_example2()
{ $ user_id = $ _GET ['id'];
if ($_SERVER['REQUEST_METHOD'] == "POST")
{
if (!isset($_POST['id']))
{
for($count = 0; $count< count($description); $count++)
{
$description = $_POST["description"][$count];
$institution = $_POST["institution"][$count];
$year = $_POST["year"][$count];
$user_id = $_GET['id'];
$this->database->query("INSERT INTO experiences
SET description = '$description',
institution = '$institution',
year = '$year',
exp_id = '$user_id'");
} }其他{
$new_array = array_merge_recursive($_POST['description'],$_POST['institution'],$_POST['year'],$_POST['id']);
foreach ($new_array as $spec)
{
if (is_array($spec))
{
$description = $spec['0'];
$institution = $spec['1'];
$year = $spec['2'];
$experience_id= $spec['3'];
$this->database->query("UPDATE experiences
SET description = '$description',
institution = '$institution',
year = '$year'
WHERE experience_id = '$experience_id'");
}
else{
for($count = 0; $count< count($description); $count++)
{
$description = $_POST["description"][$count];
$institution = $_POST["institution"][$count];
$year = $_POST["year"][$count];
$user_id = $_GET['id'];
$this->database->query("INSERT INTO experiences
SET description = '$description',
institution = '$institution',
year = '$year',
exp_id = '$user_id'");
}
}
}
}
$user_id = $_GET['id'];
if ($this->database->affected_rows() == 0 )
{
session::set_msg(["No changes have been made"]);
header("Location: example.php?id=$user_id");
exit();
}
else
{
session::set_msg("Experiences have been updated","success");
header("Location: example.php?id=$user_id");
exit();
}
}
}
