我使用的是 Laravel 框架 5.2。我正在使用 Maatwebsite Excel 软件包,我已成功安装并成功导入 CSV 格式文件,但问题是:
假设我有一个表,列是:
Table_name:- employees_schedule
columns:- user_id, customer_name, date,
现在,当我上传包含三列的 CSV 文件(user_id、customer_name、date)
时,它已成功上传。
当我上传带有附加列的 CSV 格式文件时 (user_id, customer_name, date, hacking_column, time)
我需要显示一条错误消息,例如“您的 CSV 文件包含一些不需要的列” ”
谁能帮帮我。这是我的功能
public function UploadSchedule (Request $request)
{
if ($request->isMethod('post')) {
$data = $request->all();
//echo "<pre>"; print_r($data); die;
Excel::load(Input::file('schedule'), function ($reader) {
$reader->each(function ($sheet) {
EmployeeSchedule::firstOrCreate($sheet->toArray());
});
});
return redirect()
->back()
->with(
'flash_message_success',
'Your Employee Schedule Uploaded successfully!'
);
}
}
和 Blade 文件:-
<form id="addForm" role="form" class="form-horizontal" method="post"
action="{{ url('admin/upload-employee-schedule') }}"
enctype="multipart/form-data">
<input type="hidden" name="_token" value="{{{ csrf_token() }}}"/>
<div class="form-body">
<div class="form-group">
<label class="col-md-3 control-label">Upload Schedule:</label>
<div class="col-md-5">
<input type="file" id="csv" name="schedule">
</div>
</div>
</div>
<div class="form-actions right1 text-center">
<button id="check" class="btn green" type="submit">Submit</button>
</div>
</form>
最佳答案
在这里我找到了自己的解决方案。我只是打开文件并获取第一个标题行。这是我的片段:-
public function UploadSchedule(Request $request){
if($request->isMethod('post')){
$data = $request->all();
$file = Input::file('schedule');
$handle = fopen($file,"r");
$header = fgetcsv($handle, 0, ',');
$countheader= count($header);
if($countheader<4 && in_array('user_id',$header) && in_array('customer_name',$header) && in_array('date',$header)){
Excel::load($file ,function($reader){
$reader->each(function($sheet){
$sheet['date'] = date('Y-m-d',strtotime($sheet['date']));
EmployeeSchedule::firstOrCreate($sheet->toArray());
});
});
} else {
return redirect()->back()->with('flash_message_error', 'Your CSV files having unmatched Columns to our database...Your columns must be in this sequence <strong> user_id,customer_name,date </strong> only');
}
return redirect()->back()->with('flash_message_success', 'Your Employee Schedule Uploaded successfully!');
}
关于php - 在 laravel 中上传时如何验证 csv 文件?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/42547435/