Rufen Sie JSON-POST-Daten in CodeIgniter ab ⇐ Php

[Guest]

Ich habe versucht, JSON-Daten aus meiner PHP-Datei abzurufen. Das macht mir Schwierigkeiten. Das ist mein Code

Code in meiner ANSICHT:

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var productDetails = {'id':ISBNNumber,'qty':finalqty,'price':finalprice,'name':bookTitle};

var base_url = '';
$.ajax({
url: "index.php/user/Add_to_cart/addProductsToCart",
type: 'POST',
data:productDetails,
dataType:'JSON',
});

Ich versuche, in meinem Controller abzurufen:

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echo $this->input->post("productDetails");

Gibt nichts aus.

Hier sind meine Header:

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Remote Address:[::1]:80
Request URL:http://localhost/CI/index.php/user/Add_to_cart/addProductsToCart
Request Method:POST
Status Code:200 OK
Request Headersview source
Accept:application/json, text/javascript, */*; q=0.01
Accept-Encoding:gzip, deflate
Accept-Language:en-US,en;q=0.8,fr;q=0.6
Connection:keep-alive
Content-Length:52
Content-Type:application/x-www-form-urlencoded; charset=UTF-8
Cookie:ci_session=3E5SPro57IrJJkjs2feMNlmMrTqEXrTNN8UyEfleeothNnHwNxuCZDSx4a7cJZGjj7fyr2KLpj%2BPNJeGRSzSPVmcFHVEdhSk4D47ziOl4eZcTUAZlQrWa3EYIeQJVWxMpiGZS26MEfbSXNmfel9e8TcsJTreZHipvfisrJovbXEAW4Uv%2BwrJRep1KCi1MMaDCVJb9UEinRVcDtYe%2F86jhn7kOj4kraVmVzx%2FsOaO0rAxLyAUtez%2Feaa4zBwpN3Td153sAoIb3WxVHoEj2oKyH5prVHigbIhIBR6XZqjBkM6hjBuoD2OSZ2wgLbp9DEENMoqui4WYyHROBuS2DYiJajblcS0KiFga5k%2FQOODvE7p6n%2BozN5ciDliVjJ4PnJ5PD1GaPEmec5%2FbQSlOHYWZk%2F2Blzw3Nw0EtLL7wKDzzQY%3Df645c36bb3548eb8de915b73f8763d97a47783ce
Host:localhost
Origin:http://localhost
Referer:http://localhost/CI/index.php/user/view_available_books/viewAvailableBooks/5
User-Agent:Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36
X-Requested-With:XMLHttpRequest
**Form Dataview** sourceview URL encoded
id:234
qty:1
price:0.00
name:dasdadsd2q3e!@!@@

Meine Antwort, die ich in den Entwicklertools sehen kann:

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    Array
(
[id] => 234
[qty] => 1
[price] => 0.00
[name] => dasdadsd2q3e!@!@@
)

Aber im Browser ist die Ausgabe nichts. Ich versuche es jetzt schon seit mehr als 4 Stunden zu lösen, aber vergebens.

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print_r($_POST); // outputs nothing
echo $data = file_get_contents('php://input'); //outputs nothing
echo $id    = $this->input->post('productDetails');// outputs nothing

Mein Ansichtscode:

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$('#addtoCart').on('click',function(event){
event.preventDefault();
$(this).attr('disabled',"disabled");
finalprice = $.trim($('#price').val());
finalqty = $.trim($('#quantity').val());

var productDetails = JSON.stringify({'id':ISBNNumber,'qty':finalqty,'price':finalprice,'name':bookTitle});

var base_url = '';
// console.log($);
$.ajax({
url: "index.php/user/Add_to_cart/addProductsToCart",
type: 'POST',
contentType: "application/json; charset=utf-8",
data:productDetails,
dataType:'html',
});

});

Controller-Code:

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function addProductsToCart(){
var_dump(json_decode(file_get_contents("php://input")));
print_r($_POST);
// $data = json_decode($_POST["productDetails"]);
// var_dump($data);
// echo $data = file_get_contents('php://input');
// print_r(json_decode($data));
// $id    = $this->input->post('id');
// $qty   = $this

}