forms

问题 How can I send a radio or checkbox value to the $_POST array even when the field is empty? <?php if(isset($_POST)) { echo '<pre>'; print_r($_POST); echo '</pre>'; } ?> <form action="test.php" method="POST"> <input type="text" name="name"> <input type="text" name="email"> <input type="radio" name="gender"> <input type="submit"> </form> Here is what I get from the page if I hit submit without even filling out data. Array ( [name] => [email] => ) As you see, without touching the input type text,

问题 I have a file upload input and when I click the browse button and select the file, I want the filename and extension to appear in two input text boxes (see code sample). It works correctly with the extension, but the filename also shows the path which gives me the fakepath warning. I understand why, but what's a good way to do this and just get the filename into that box. I don't need the path. function getoutput(){ outputfile.value=inputfile.value.split('.')[0]; extension.value=inputfile

问题 I have a file upload input and when I click the browse button and select the file, I want the filename and extension to appear in two input text boxes (see code sample). It works correctly with the extension, but the filename also shows the path which gives me the fakepath warning. I understand why, but what's a good way to do this and just get the filename into that box. I don't need the path. function getoutput(){ outputfile.value=inputfile.value.split('.')[0]; extension.value=inputfile

问题 I have a file upload input and when I click the browse button and select the file, I want the filename and extension to appear in two input text boxes (see code sample). It works correctly with the extension, but the filename also shows the path which gives me the fakepath warning. I understand why, but what's a good way to do this and just get the filename into that box. I don't need the path. function getoutput(){ outputfile.value=inputfile.value.split('.')[0]; extension.value=inputfile

问题 I'm using a select tag in a form I'm making that allows multiple selections, but I want to make the maximum amount of selections upto 10. Is this possible using javascript or jquery? Thanks in advance! 回答1: Here is some full code for you to use...gotta love the Google AJAX API Playground :-) Edit 1: Note: this only lets you choose 5 because I didn't feel like copy/pasting another 10 options :-) <!-- copyright (c) 2009 Google inc. You are free to copy and use this sample. License can be found

问题 I'm using javascript to dynamically create a form that takes answers from a chat and adds it to a form. The form exists in a separate blade file register.blade.php . I yielded the form in the home page ( index.blade.php ) but the @section('registration-form') yields to the page before the js is read. For that reason, the answers from the chat never get input into the form. register.blade.php holds the (custom) form @section('registration-form') . From there I'd like to create a route::get('

问题 I have a table and predefined things. At the click of an add button, I want to add a new json product to my 'data' array. Json single product have id and quantity. Look my template with table: <form [formGroup]="form" (submit)="submit()"> <div *ngFor="let data of contactFormGroup.controls; let i = index;" formArrayName="data"> <div [formGroupName]="i"> <mat-form-field> <input matInput (keyup)="applyFilter($event.target.value)" placeholder="Pretraži prozivod..."> </mat-form-field> <table mat

问题 I have a table and predefined things. At the click of an add button, I want to add a new json product to my 'data' array. Json single product have id and quantity. Look my template with table: <form [formGroup]="form" (submit)="submit()"> <div *ngFor="let data of contactFormGroup.controls; let i = index;" formArrayName="data"> <div [formGroupName]="i"> <mat-form-field> <input matInput (keyup)="applyFilter($event.target.value)" placeholder="Pretraži prozivod..."> </mat-form-field> <table mat

问题 I would like how could a make that my first option of an EntityType is NULL. I've tryied with a placeholder, but is not possible because when i try to register the form it obligate to select a different option wich is not the place holder. I'm trying something like this: ->add('idacademicprogram', EntityType::class, array( "class" => 'AppBundle:Academicprogram', 'placeholder' => 'Choose an option', "attr"=>array( "class" => "form-iduser form-control", "required" => false ))) 回答1: Ok i fixed

问题 I would like how could a make that my first option of an EntityType is NULL. I've tryied with a placeholder, but is not possible because when i try to register the form it obligate to select a different option wich is not the place holder. I'm trying something like this: ->add('idacademicprogram', EntityType::class, array( "class" => 'AppBundle:Academicprogram', 'placeholder' => 'Choose an option', "attr"=>array( "class" => "form-iduser form-control", "required" => false ))) 回答1: Ok i fixed